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WO2016169009A1 - Procédés pour envoyer et recevoir une trame de signalisation d'incidents et appareils correspondants - Google Patents

Procédés pour envoyer et recevoir une trame de signalisation d'incidents et appareils correspondants Download PDF

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Publication number
WO2016169009A1
WO2016169009A1 PCT/CN2015/077201 CN2015077201W WO2016169009A1 WO 2016169009 A1 WO2016169009 A1 WO 2016169009A1 CN 2015077201 W CN2015077201 W CN 2015077201W WO 2016169009 A1 WO2016169009 A1 WO 2016169009A1
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Prior art keywords
beacon frame
channel
primary channel
sta
jump
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PCT/CN2015/077201
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English (en)
Chinese (zh)
Inventor
赵牧
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2015/077201 priority Critical patent/WO2016169009A1/fr
Publication of WO2016169009A1 publication Critical patent/WO2016169009A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for transmitting and receiving a beacon frame and a corresponding device.
  • Beamforming technology can reduce signal path loss, improve transmission quality, and improve the capacity of wireless communication systems.
  • the personal basic service set control point (PCP) or the access point (English: Access Point; AP) in the wireless network is removed from the wireless network.
  • Other stations (Station: abbreviation: STA) other than PCP/AP (ie: PCP or AP) transmit beacon frames, which contain wireless network information and beamforming training (English: Beamforming training; :BF training) information.
  • STAs other than the PCP/AP in the wireless network receive the beacon frame transmitted by the PCP/AP, and perform BF training according to the received beacon frame.
  • a PCP/AP when a PCP/AP transmits a beacon frame to a STA other than the PCP/AP, it transmits only on a single channel, and the STA receives the beacon frame on a single channel.
  • the channels on which different STAs are located may be different. If BF training is performed in the manner of the prior art, that is, the PCP/AP transmits a beacon frame on a single channel, which will result in only The STA on the channel on which the PCP/AP transmits the beacon frame can receive the beacon frame, and the STAs located on other channels supported by the wireless network will not receive the beacon frame, and thus cannot complete the BF training.
  • the embodiments of the present invention provide a method for transmitting and receiving a beacon frame, and a corresponding device, which is used to solve the problem in the prior art that all STAs in a wireless network supporting multiple channels can successfully complete beam assignment.
  • an embodiment of the present invention provides a method for transmitting a beacon frame, which is applied to a 60 GHz network, including:
  • the control node generates a first beacon frame, the control node includes a personal basic service set control point PCP, or includes an access point AP;
  • the control node separately transmits at least one first beacon frame on the primary channel and each of the secondary channels, the first beacon frame including indication information of the primary channel, so that the receiving the The station STA of the first beacon frame can jump the working channel to the primary channel according to the indication information.
  • the indication information of the primary channel in the first beacon frame includes an identifier of the primary channel, or includes the primary channel and The frequency interval between the channels in which the first beacon frame is located.
  • the first beacon frame further includes a jump indication, where the jump indication And indicating that the STA that receives the first beacon frame jumps the working channel to the primary channel at a first moment; the method further includes:
  • the control node transmits feature information on the primary channel at a second time after the first time, the feature information including a parameter of beamforming training or a control parameter of the 60 GHz network.
  • the first beacon frame further includes a jump indication, where the jump indication The STA for indicating the first stage beamforming training on the slave channel jumps the working channel to the primary channel to cause the STA to perform the second phase beamforming training on the primary channel.
  • an embodiment of the present invention provides a method for transmitting a beacon frame, which is applied to a 60 GHz network, including:
  • the control node generates a first beacon frame and a second beacon frame, the control node includes a personal basic service set control point PCP, or includes an access point AP;
  • the control node transmits at least one first beacon frame on each of the slave channels and at least one second beacon frame on the primary channel, the primary channel being supported by all STAs in the 60 GHz network Channel;
  • the first beacon frame includes indication information of the primary channel, so that a station STA that receives the first beacon frame on the secondary channel can jump a working channel according to the indication information of the primary channel.
  • the second beacon frame is a beacon frame capable of parsing STAs supporting a single channel and STAs supporting multiple channels.
  • the indication information of the primary channel in the first beacon frame includes an identifier of the primary channel, or includes the primary channel and The frequency interval between the slave channels in which the first beacon frame is located.
  • the first beacon frame further includes a jump indication, where the jump indication And indicating that the STA that receives the first beacon frame jumps the working channel to the primary channel at a first moment; the method further includes:
  • the control node transmits feature information on the primary channel at a second time after the first time, the feature information including a parameter of beamforming training or a control parameter of the 60 GHz network.
  • the first beacon frame further includes a jump indication, where the jump indication The STA for indicating the first stage beamforming training on the slave channel jumps the working channel to the primary channel to cause the STA to perform the second phase beamforming training on the primary channel.
  • an embodiment of the present invention provides a method for receiving a beacon frame, which is applied to a 60 GHz network, including:
  • the station STA detects a first beacon frame that the control node transmits on the slave channel
  • the STA Receiving, by the STA, the first beacon frame on the slave channel, where the first beacon frame includes indication information of a primary channel;
  • the STA determines that a working channel needs to be redirected to the primary channel
  • the STA jumps the working channel to the primary channel according to the indication information of the primary channel in the first beacon frame.
  • the determining, by the STA, that a working channel needs to be redirected to the primary channel includes:
  • the STA determines that a working channel needs to be redirected to the primary channel, including:
  • the STA determines whether the channel quality of the slave channel is lower than a set threshold, and if the channel quality of the slave channel is lower than the set threshold, determining that a working channel needs to be redirected to the primary channel.
  • the indication information of the primary channel in a beacon frame jumps the working channel to the primary channel, including:
  • the STA locates the primary channel according to the identifier of the primary channel included in the indication information, and jumps to the primary channel;
  • the STA locates, according to a frequency interval between the primary channel and a secondary channel where the first beacon frame is located, and a frequency of a secondary channel where the first beacon frame is located, according to the instruction information, The primary channel and jump to the primary channel.
  • an embodiment of the present invention provides a device for transmitting a beacon frame, which is applied to a 60 GHz network, and includes:
  • Generating a module configured to generate a first beacon frame
  • a sending module configured to separately send at least one first beacon frame on the primary channel and each of the secondary channels, where the first beacon frame includes indication information of the primary channel, so that the receiving channel is received on the secondary channel
  • the station STA of the first beacon frame can jump the working channel to the main message according to the indication information. Road.
  • the generating module is specifically configured to: generate the first beacon frame that includes a jump indication, where the jump indication is used to indicate receiving The STA of the first beacon frame jumps the working channel to the primary channel at a first moment;
  • the sending module is further configured to: send, on the primary channel, feature information at a second moment after the first moment, where the feature information includes a parameter of beamforming training or the 60 GHz network Control parameters.
  • the generating module is specifically configured to: generate the first beacon frame that includes a jump indication, where the jump indication is used to indicate that The STA performing the first stage beamforming training on the channel jumps the working channel to the primary channel, so that the STA performs the second phase beamforming training on the primary channel.
  • an embodiment of the present invention provides a device for transmitting a beacon frame, which is applied to a 60 GHz network, and includes:
  • Generating a module configured to generate a first beacon frame and a second beacon frame
  • a sending module configured to send at least one first beacon frame on each of the slave channels, and send at least one second beacon frame on the primary channel, where the primary channel is all STAs in the 60 GHz network a channel supported by the first beacon frame, wherein the first beacon frame includes indication information of the primary channel, so that a station STA that receives the first beacon frame on the slave channel can be configured according to the indication information of the primary channel
  • the working channel is redirected to the primary channel
  • the second beacon frame is a beacon frame capable of parsing STAs supporting a single channel and STAs supporting multiple channels.
  • the generating module is specifically configured to: generate the first beacon frame that includes a jump indication, where the jump indication is used to indicate receiving The STA of the first beacon frame jumps the working channel to the primary channel at a first moment;
  • the sending module is further configured to: send, on the primary channel, feature information at a second moment after the first moment, where the feature information includes a parameter of beamforming training or the 60 GHz network Control parameters.
  • the generating module Specifically, the method is: generating the first beacon frame including a jump indication, where the jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the a primary channel for causing the STA to perform a second phase beamforming training on the primary channel.
  • an embodiment of the present invention provides a device for receiving a beacon frame, which is applied to a 60 GHz network, and includes:
  • a detecting module configured to detect a first beacon frame sent by the control node on the slave channel
  • a receiving module configured to receive the first beacon frame on the slave channel, where the first beacon frame includes indication information of a primary channel
  • Determining a module configured to determine that a working channel needs to be redirected to the primary channel
  • a hopping module configured to jump to the active channel according to the indication information of the primary channel in the first beacon frame.
  • the determining module is configured to: determine whether the received first beacon frame includes a jump indication, if the first beacon The jump indication is included in the frame, and it is determined that the working channel needs to be redirected to the primary channel.
  • the determining module is configured to: determine whether a channel quality of the slave channel is lower than a set threshold, if a channel quality of the slave channel is low At the set threshold, it is determined that a working channel needs to be redirected to the primary channel.
  • Locating the primary channel according to the identifier of the primary channel included in the indication information, and jumping to the primary channel; or, for using the primary channel and the first information included according to the indication information The frequency interval between the slave channels in which the frame is located, and the frequency of the slave channel in which the first beacon frame is located, locate the primary channel and jump to the primary channel.
  • an embodiment of the present invention provides a device for transmitting a beacon frame, which is applied to a 60 GHz network, and includes:
  • a storage unit for storing instructions
  • a processor coupled to the transmitter and the storage unit, respectively, for executing the instructions stored by the storage unit to perform the following steps: generating a first beacon frame when the instruction is executed; indicating the Transmitting, by the transmitter, at least one first beacon frame on the primary channel and each of the secondary channels, the first beacon frame including indication information of the primary channel, to receive the first on the secondary channel
  • the station STA of the beacon frame can jump the working channel to the primary channel according to the indication information.
  • the processor is configured to: generate a first beacon frame, specifically: generate the first beacon frame including a jump indication, where The jump indication is used to indicate that the STA that receives the first beacon frame jumps the working channel to the primary channel at a first moment; the processor is further configured to: use the second after the first moment At the moment, the transmitter is instructed to transmit feature information on the primary channel, the feature information including parameters of beamforming training or control parameters of the 60 GHz network.
  • the processor is configured to: generate a first beacon frame, specifically: generate the first beacon frame including a jump indication, where The jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the primary channel, so that the STA performs the second phase beam assignment on the primary channel. Shape training.
  • an embodiment of the present invention provides a device for transmitting a beacon frame, which is applied to a 60 GHz network, and includes:
  • a storage unit for storing instructions
  • a processor coupled to the transmitter and the storage unit, respectively, for executing the instructions stored by the storage unit to perform the following steps: generating a first beacon frame and a second letter when executing the instruction a frame indicating that the transmitter transmits at least one first beacon frame on each of the slave channels and at least one second beacon frame on the primary channel, the primary channel being all in the 60 GHz network a channel supported by the STA; wherein the first beacon frame includes indication information of the primary channel, so that a station STA that receives the first beacon frame on the secondary channel can be according to the primary channel The indication information jumps the working channel to the primary channel, and the second beacon frame supports a single channel A beacon frame that can be parsed by both STAs and STAs supporting multiple channels.
  • the processor is configured to: generate a first beacon frame, specifically: generate the first beacon frame including a jump indication, where The jump indication is used to indicate that the STA that receives the first beacon frame jumps the working channel to the primary channel at a first moment; the processor is further configured to: use the second after the first moment At the moment, the transmitter is instructed to transmit feature information on the primary channel, the feature information including parameters of beamforming training or control parameters of the 60 GHz network.
  • the processor is configured to: generate a first beacon frame, specifically: generate the first beacon frame including a jump indication, where The jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the primary channel, so that the STA performs the second phase beam assignment on the primary channel. Shape training.
  • an embodiment of the present invention provides a device for receiving a beacon frame, which is applied to a 60 GHz network, and includes:
  • a storage unit for storing instructions
  • a processor coupled to the receiver and the storage unit, respectively, for executing the instructions stored by the storage unit to perform the following steps when detecting the instruction: detecting that the control node is transmitting from the channel a beacon frame; instructing the receiver to receive the first beacon frame on the slave channel, the first beacon frame containing indication information of a primary channel; determining that a working channel needs to be redirected to the primary a channel; jumping a working channel to the primary channel according to the indication information of the primary channel in the first beacon frame.
  • the processor is configured to: determine that a working channel needs to be redirected to the primary channel, specifically: determining the received first beacon Whether the jump indication is included in the frame, if the jump indication is included in the first beacon frame, determining that a working channel needs to be redirected to the primary channel.
  • Determining that the working channel needs to be redirected to the primary channel specifically: determining whether the channel quality of the secondary channel is lower than a set threshold, and if the channel quality of the secondary channel is lower than the set threshold, It is determined that a working channel needs to be redirected to the primary channel.
  • the processor is configured to: The indication information of the primary channel in the first beacon frame jumps the working channel to the primary channel, specifically: positioning the primary channel according to the identifier of the primary channel included in the indication information, and Jumping to the primary channel; or, a frequency interval between the primary channel and the secondary channel where the first beacon frame is included according to the indication information, and where the first beacon frame is located From the frequency of the channel, locate the primary channel and jump to the primary channel.
  • the STAs located on any channel supported by the wireless network can receive the first beacon frame, and can Beamforming training is performed based on the received first beacon frame.
  • the STA may need to switch between different working channels.
  • the primary channel is added by using the first beacon frame sent from the channel. The indication information enables the STA that receives the first beacon frame from the channel to locate the primary channel according to the indication information in the first beacon frame, and jumps the working channel to the primary channel when needed, realizing the STA in the main Switch from channel to channel.
  • Figure 1 is a schematic diagram of the beacon interval BI
  • FIG. 2 is a schematic flowchart of a method for transmitting a beacon frame according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a frame of a first beacon frame according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an implementation manner in which a control node instructs a station on a channel to jump from a working channel to a primary channel according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart of another method for transmitting a beacon frame according to an embodiment of the present disclosure
  • FIG. 6 is a schematic flowchart of a method for receiving a beacon frame according to an embodiment of the present invention.
  • FIG. 7 is a schematic block diagram showing the structure of an apparatus 400 according to an embodiment of the present invention.
  • FIG. 8 is a schematic block diagram showing the structure of an apparatus 500 according to an embodiment of the present invention.
  • FIG. 9 is a schematic block diagram showing the structure of an apparatus 600 according to an embodiment of the present invention.
  • FIG. 10 is a schematic block diagram showing the structure of an apparatus 700 according to an embodiment of the present invention.
  • FIG. 11 is a schematic block diagram showing the structure of an apparatus 800 according to an embodiment of the present invention.
  • FIG. 12 is a schematic block diagram showing the structure of an apparatus 900 according to an embodiment of the present invention.
  • the wireless network operates in the 60 GHz band, and the 60 GHz wireless communication technology can achieve high-speed transmission, but the path loss of the signal is very serious, and the beamforming technology can effectively reduce the path loss in the 60 GHz wireless communication. Increase the transmission distance of wireless networks and improve communication quality.
  • STAs in the wireless network transmit and receive data through the array antenna.
  • beamforming training is first performed to achieve alignment alignment of the array antennas to determine suitable transmission and/or.
  • the antenna pattern of the received signal is communicated using the determined antenna pattern.
  • Beacon Interval In the IEEE 802.11ad protocol, beamforming trains the beacon interval in the radio frame structure (English) Text: Beacon Interval; abbreviated as: BI)
  • the BI is divided into multiple channel access periods, and the Beacon Transmission Interval (BTI) time interval in the BI (English: Beacon Transmission Interval; BTI)
  • BTI Beacon Transmission Interval
  • the PCP/AP of the wireless network broadcasts a multi-gigabit (Directional Multi-Gigabit; DMG) beacon frame on the communication channel, and the DMG beacon frame includes parameter information of the wireless network and beamforming training. Parameter information.
  • DMG Directional Multi-Gigabit
  • the STAs other than the PCP/AP in the wireless network receive the DMG beacon frame transmitted by the PCP/AP in the BTI time period, and complete the beamforming training in the BI time period based on the parameter information of the beamforming training included in the DMG beacon frame. .
  • the other access periods of BI in Figure 1 are: Association Beamforming Training (English: Association Beamforming Training; A-BFT for short), Notification Transmission Interval (English: Announcement Transmission Interval; ATI), data transmission interval (English: Data Transfer Interval; abbreviation: DTI), wherein the DTI can be further subdivided into smaller access periods, which are not described in detail in the embodiments of the present invention.
  • DTI Data Transfer Interval
  • the channel access period other than the BTI in the BI refer to the prior art, which is not described in detail in the embodiment of the present invention.
  • the PCP/AP in the wireless network transmits the DMG beacon frame only on a single channel, and the STA receives the beacon frame on a single channel.
  • wireless network technology supporting multiple channels has become a key next-generation wireless network technology.
  • the channels in which the STAs in the wireless network are located may be different if the beamforming training is performed in the manner of the prior art, that is, the manner in which the PCP/AP transmits the beacon frames on a single channel. This will result in only STAs on the channel on which the PCP/AP transmits the beacon frame can receive the beacon frame, while STAs located on other channels supported by the wireless network will not receive the beacon frame, and thus cannot complete the beamforming training.
  • the first aspect of the present invention provides a method for transmitting a beacon frame, including the following, in the prior art, in the prior art, a method for enabling a beamforming training to be successfully performed by all STAs in a wireless network supporting multiple channels. step:
  • the control node generates a first beacon frame, and the control node includes a personal basic service set control point PCP, Or include an access point AP;
  • the control node separately transmits at least one first beacon frame on the primary channel and each of the secondary channels, the first beacon frame containing indication information of the primary channel, so that the STA that receives the first beacon frame on the secondary channel can
  • the indication information of the primary channel jumps the working channel to the primary channel.
  • the control node sends the beacon frame on each channel supported by the network, so that the STAs located on any channel supported by the wireless network can receive the beacon frame, and can be based on the received message.
  • the frame is trained for beamforming.
  • the STA may need to switch between different working channels.
  • the primary channel is added by adding the primary channel to the first beacon frame sent from the channel. Instructing information that the STA that receives the first beacon frame from the channel can locate the primary channel according to the indication information in the first beacon frame, and jump the working channel to the primary channel when needed, realizing the STA in the master-slave Switch between channels.
  • an embodiment of the present invention provides another method for transmitting a beacon frame, including the following steps:
  • the control node generates a first beacon frame and a second beacon frame, the control node includes a personal basic service set control point PCP, or includes an access point AP;
  • the control node transmits at least one first beacon frame on each of the slave channels, and transmits at least one second beacon frame on the primary channel, where the primary channel is a channel supported by all STAs in the network;
  • the first beacon frame includes indication information of the primary channel, so that the station STA that receives the first beacon frame on the slave channel can jump the working channel to the primary channel according to the indication information of the primary channel, and the second beacon frame A beacon frame that can be parsed by a single channel STA and a multi channel supported STA.
  • the STAs located on any channel supported by the wireless network can receive the beacon frame, and can receive the beacon frame based on the received beacon frame. Perform beamforming training.
  • the STA may need to switch between different working channels.
  • the primary channel is added by adding the primary channel to the first beacon frame sent from the channel. Instructing information that the STA that receives the first beacon frame from the channel can locate the primary channel according to the indication information in the first beacon frame, and jump the working channel to the primary channel when needed, realizing the STA in the master-slave Cut between channels change.
  • the primary channel of the network is a channel supported by all STAs in the wireless network
  • the second beacon frame that can be parsed by the STA that supports only the primary channel and the STA that supports multiple channels is located on the primary channel.
  • the STA of the primary channel supporting only a single channel can parse the received second beacon frame and perform beamforming training based on the second beacon frame, so that the network can be compatible with STAs supporting only a single channel.
  • an embodiment of the present invention further provides a method for receiving a beacon frame, including the following steps:
  • the station STA detects a first beacon frame that the control node transmits on the slave channel
  • the STA receives the first beacon frame on the slave channel, where the first beacon frame includes indication information of the primary channel;
  • the STA determines that the working channel needs to be redirected to the primary channel
  • the STA jumps the working channel to the primary channel according to the indication information of the primary channel in the first beacon frame.
  • the first beacon frame sent by the control node of the receiving channel of the STA on the channel from which the STA is located performs beamforming training based on the first beacon frame.
  • the STA may need to switch between different channels.
  • the indication of the primary channel is added by using the first beacon frame sent from the channel. The information enables the STA that receives the first beacon frame from the channel to locate the primary channel according to the indication information in the first beacon frame, and jumps the working channel to the primary channel when needed, realizing the STA in the master-slave channel Switch between.
  • FIG. 2 is a schematic flowchart of a method for transmitting a beacon frame according to the first aspect of the present disclosure, where the process includes the following steps:
  • Step 101 The control node generates a first beacon frame, and the control node includes a personal basic service set control point PCP or includes an access point AP.
  • the method for transmitting a beacon frame can be applied to a wireless network supporting multiple channels, and the network may specifically be a 60 GHz GHz network, for example, a next generation 60 GHz.
  • He International: Next Generation 60Gigahertz; referred to as: NG60
  • the control node of the wireless network may be a personal basic service set control point PCP of the wireless network, or an access point AP of the wireless network, or other types of wireless network that are responsible for transmitting the beacon frame when the STA performs beamforming training. Nodes, which are not illustrated by way of example in the embodiments of the present invention.
  • the primary channel of the wireless network refers to the channel supported by all stations in the wireless network. When all the stations support more than one channel, one channel with higher communication quality can be selected as the primary channel, or one channel can be randomly selected. In the embodiment of the present invention, the specific manner of determining the primary channel is not limited.
  • the slave channel of the wireless network refers to a channel other than the primary channel among the channels supported by the wireless network.
  • the first beacon frame includes a frame control (English: Frame Control) field, a period (English: Duration) field, and a basic service set identifier. :Basic Service Set Identifier; Abbreviation: BSSID) Domain, Load (English: Body) field, and Frame Check Sequence (FCS) field.
  • the load domain of the first beacon frame includes a subfield such as a timestamp (Timestamp), a beacon interval length, an extended schedule, and a primary channel indication (Primary Channel Indication).
  • the indication information of the primary channel includes information capable of locating the primary channel.
  • a frame control domain a periodic domain, a basic service set identifier field, a frame check sequence domain, and a subfield in a payload domain, such as a timestamp, a beacon interval length, and scheduling information, in the first beacon frame.
  • a timestamp a beacon interval length
  • scheduling information a subfield in a payload domain, such as a timestamp, a beacon interval length, and scheduling information, in the first beacon frame.
  • the first beacon frame generated by the control node may be executed in the following situations, including:
  • the control node needs to generate a first beacon frame to send the first beacon frame on the channel, so that the STA other than the control node in the wireless network performs the beam based on the first beacon frame. Forming training, array antenna alignment, and determining the antenna pattern when transmitting and/or receiving information.
  • the control node needs to generate a first beacon frame.
  • the newly added STA performs beamforming training based on the first beacon frame, performs array antenna alignment, and determines an antenna mode when transmitting and/or receiving information.
  • the first beacon frame is further used for synchronous calibration of the STAs in the wireless network, and the control node needs to periodically send the first beacon frame, so that the STAs in the wireless network perform synchronous calibration according to the first beacon frame. Ensure that STAs in the wireless network can synchronize.
  • Step 102 The control node separately transmits at least one first beacon frame on the primary channel and each of the secondary channels, where the first beacon frame includes indication information of the primary channel, so that the site that receives the first beacon frame on the secondary channel The STA can jump the working channel to the primary channel according to the indication information.
  • the control node in the wireless network supports all channels of the wireless network, and the control node sends the first beacon frame in all channels supported by the wireless network, where the first beacon frame includes relevant parameters of beamforming training (may include In the scheduling information sub-domain of the load domain, it may also be included in other domains or sub-domains of the first beacon frame, so that STAs located on any channel supported by the wireless network can receive the first beacon frame.
  • Beamforming training can be performed based on receiving beacon frames.
  • the first beacon frame further includes the indication information of the primary channel, and the specific implementation manner includes, but is not limited to: one, indicating the channel identifier of the primary channel, and the STA can locate the primary channel based on the channel identifier; Instructing the frequency interval between the primary channel and the channel where the first beacon frame is located, the STA can locate the primary channel based on the frequency interval and the frequency of the channel on which the UE is located; and third, the indication information is the frequency value of the primary channel. The STA can locate the primary channel based on the frequency value of the primary channel.
  • the STA located in the slave channel can locate the primary channel according to the indication information included in the first beacon frame, and jump to the primary channel when the jump to the primary channel is required, and the beam is guaranteed. Forming training is successfully completed, or the communication quality of the STA is guaranteed to meet the set requirements.
  • control node may send the first beacon frame in a broadcast manner, and send at least one first beacon frame on each channel, including the following cases:
  • control node transmits only one first beacon frame on each channel.
  • the control node when the control antenna is in the first orientation, the control node sends a first beacon frame (which may be a first beacon frame or multiple first beacon frames) on each channel. Then, The orientation of the transmit antenna is changed, and when the own transmit antenna is in the second orientation, the first beacon frame is transmitted on each channel separately.
  • the first beacon frame is respectively transmitted on each channel to ensure that the STAs located in different orientations of the control node can receive the first beacon frame.
  • the antenna of the control node is divided into different sectors, and the propagation direction of the first beacon frame transmitted through different sectors is different, and the control node transmits the first beacon frame on each channel through different sectors respectively. To ensure that STAs located in different directions of the control node are able to receive the first beacon frame.
  • the control node sends a beacon frame on each channel supported by the network, so that STAs located on any channel supported by the wireless network can receive the beacon frame, and can perform beam based on the received beacon frame. Forming training. In addition, when performing the beamforming training, the STA may need to switch between different working channels.
  • the primary channel is added by adding the primary channel to the first beacon frame sent from the channel. Instructing information that the STA that receives the first beacon frame from the channel can locate the primary channel according to the indication information in the first beacon frame, and jump the working channel to the primary channel when needed, realizing the STA in the master-slave Switch between channels.
  • the first beacon frame is an NG60 beacon frame.
  • the indication information in the first beacon frame includes an identifier of the primary channel, or a frequency interval between the primary channel and a channel where the first beacon frame is located.
  • the first beacon frame further includes a jump indication, where the jump indication is used to indicate that the STA that receives the first beacon frame jumps the working channel to the primary channel at the first moment;
  • the method for transmitting a beacon frame provided by the embodiment of the invention further includes the following steps:
  • the control node transmits the feature information on the primary channel at a second time after the first time, the feature information including the parameters of the beamforming training or the control parameters of the 60 GHz network.
  • control node may send the feature information on the primary channel, where the feature information may be a parameter of the beamforming training or a control parameter of the network. If the STA fails to receive the feature information in time, the STA may not be enabled. Beamforming training is completed, or the beamforming training is not effective, or the STA cannot communicate normally.
  • the control node sends The first beacon frame sent further includes a jump indication, indicating that the STA receiving the first beacon frame jumps the working channel to the primary channel at a first moment before the second moment of transmitting the feature information.
  • the jump indication may not be responded after determining that it is in the primary channel.
  • the jump indication may be included in a sub-domain of a pointer indication (English: Channel Switch Indication) of the first beacon frame.
  • the STA is instructed to jump the working channel to the primary channel before the control node transmits the feature information, thereby ensuring that the STA on the channel can receive the feature information on the primary channel. Ensure that beamforming training or communication can proceed normally.
  • the first time in FIG. 4 is outside the BTI time period.
  • the first time may also be within the BTI time period, that is, the jump indication included in the first beacon frame sent by the control node, indicating that the STA is The first time in the BTI time period jumps the working channel to the primary channel.
  • the first beacon frame further includes a jump indication, where the jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the primary channel. So that the STA performs the second stage beamforming training on the primary channel.
  • the beamforming training algorithm may require beamforming training of STAs on the channel to perform first partial beamforming training on the slave channel, and second beamforming training on the primary channel.
  • the control node instructs the STA that receives the first beacon frame from the channel by adding a domain or a sub-domain including the indication information in the first beacon frame, in the beamforming training algorithm. The required time jumps the working channel to the main channel to ensure smooth beamforming training.
  • the jump indication included in the first beacon frame may indicate that the STA jumps the working channel to the primary channel in the beacon transmission interval BTI in the beacon interval BI, or may indicate other access periods of the STA in the BI.
  • the working channel is redirected to the primary channel, which is not limited in the embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method for transmitting a beacon frame according to a second aspect of the present disclosure, where the process includes the following steps:
  • Step 201 The control node generates a first beacon frame and a second beacon frame, and the control node includes a personal basic service set control point PCP, or includes an access point AP;
  • Step 202 The control node sends at least one first beacon frame on each slave channel, and sends at least one second beacon frame on the primary channel, where the primary channel is a channel supported by all STAs in the 60 GHz network;
  • the first beacon frame includes indication information of the primary channel, so that the station STA that receives the first beacon frame on the slave channel can jump the working channel to the primary channel according to the indication information of the primary channel, and the second beacon frame A beacon frame that can be parsed by a single channel STA and a multi channel supported STA.
  • the implementation manner of the first beacon frame is the same as that of the step 101, which is not described in detail in the embodiment of the present invention.
  • the frame structure of the second beacon frame may refer to FIG. 3.
  • the payload field of the second beacon frame does not include the indication information subfield of the primary channel, and since the information of the multichannel is not included, only A STA supporting a single channel can parse a second beacon frame.
  • the primary channel of the wireless network is a channel supported by all STAs in the wireless network, if there is a STA supporting only a single channel in the wireless network, the channel in which the STA supporting the single channel is located is the primary channel.
  • the second beacon frame is a beacon frame that can be parsed by the STA supporting the primary channel, that is, a STA that supports only the primary channel, and a STA that can support multiple STAs including the primary channel. Framed frame.
  • the second beacon frame sent by the control node on the primary channel is a beacon frame that can only be parsed by the STA supporting the primary channel, even if there is an STA supporting only a single channel in the wireless network, the STA can still resolve the primary frame.
  • a second beacon frame received on the channel performs beamforming training based on the second beacon frame.
  • the wireless network is an NG60 wireless network
  • the first beacon frame sent by the control node on the slave channel is an NG60 beacon frame
  • the STA supporting multiple channels can parse the NG60 beacon frame, and the STA supporting the single channel cannot be parsed.
  • the second beacon frame transmitted by the control node on the primary channel may be a DMG beacon frame defined in the IEEE 802.11ad protocol.
  • the DMG STA located on the primary channel can resolve the DMG beacon frame received on the primary channel, and the NG60 STA that hops to the primary channel can also resolve the DMG beacon frame received on the primary channel.
  • the control node sends a beacon frame on each channel supported by the network, so that STAs located on any channel supported by the wireless network can receive the beacon frame, and can be based on the connection.
  • the receiver frame is used for beamforming training.
  • the STA may need to switch between different working channels.
  • the primary channel is added by adding the primary channel to the first beacon frame sent from the channel. Instructing information that the STA that receives the first beacon frame from the channel can locate the primary channel according to the indication information in the first beacon frame, and jump the working channel to the primary channel when needed, realizing the STA in the master-slave Switch between channels.
  • the primary channel of the network is a channel supported by all STAs in the wireless network
  • the second beacon frame that can be parsed by the STA that supports only the primary channel and the STA that supports multiple channels is located on the primary channel.
  • the STA of the primary channel supporting only a single channel can parse the received second beacon frame and perform beamforming training based on the second beacon frame, so that the network can be compatible with STAs supporting only a single channel.
  • the indication information of the primary channel in the first beacon frame includes an identifier of the primary channel, or a frequency interval between the primary channel and the secondary channel where the first beacon frame is located.
  • the first beacon frame further includes a jump indication, where the jump indication is used to indicate that the STA that receives the first beacon frame jumps the working channel to the primary channel at the first moment; and the method for sending the beacon frame is further include:
  • the control node transmits the feature information on the primary channel at a second time after the first time, the feature information including the parameters of the beamforming training or the control parameters of the 60 GHz network.
  • the first beacon frame further includes a jump indication, where the jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the primary channel, so that the STA is in the main The channel performs the second stage beamforming training.
  • An implementation manner of a technical solution including a jump indication in a first beacon frame in a method provided by a second aspect of the present disclosure, and a technical solution including a jump indication in a first beacon frame in the method provided by the first aspect The implementation is the same and will not be repeated here.
  • FIG. 6 is a schematic flowchart of a method for receiving a beacon frame according to a third aspect of the present disclosure, where the process includes the following steps:
  • Step 301 The station STA detects a first beacon frame that is sent by the control node on the slave channel.
  • Step 302 The STA receives the first beacon frame on the slave channel, where the first beacon frame includes indication information of the primary channel.
  • Step 303 The STA determines that the working channel needs to be redirected to the primary channel.
  • Step 304 The STA jumps the working channel to the primary channel according to the indication information of the primary channel in the first beacon frame.
  • the station STA in the embodiment of the present invention refers to a node located in the network other than the control node.
  • the STA located on the slave channel can detect the first beacon frame transmitted from the channel, and receive the first beacon frame on the slave channel, and perform beamforming training based on the first beacon frame.
  • the STA located in the slave channel When the STA located in the slave channel performs beamforming training based on the received first beacon frame, it can determine whether it needs to jump to the primary channel, and if necessary, jump according to the indication information of the primary channel in the first beacon frame. To the main channel.
  • the STA may determine that the channel on which it is located is a slave channel before receiving the first beacon frame. For example, the STA has previously communicated, and it is determined that it is in the slave channel in the previous communication. In addition, if the STA is not sure whether the channel in which the STA is located is a slave channel, the STA can locate the primary channel according to the indication information in the first beacon frame, and then determine whether the channel in which the channel is located is the primary channel, if not the primary channel. It can be determined that the current channel is a slave channel.
  • the first beacon frame transmitted by the control node that the STA of the channel can receive the network on the slave channel on which the channel is located performs beamforming training based on the first beacon frame.
  • the STA may need to switch between different channels.
  • the indication of the primary channel is added by using the first beacon frame sent from the channel. The information enables the STA that receives the first beacon frame from the channel to locate the primary channel according to the indication information in the first beacon frame, and jumps the working channel to the primary channel when needed, realizing the STA in the master-slave channel Switch between.
  • step 303 the STA determines that the working channel needs to be redirected to the primary channel, and the implementation manner may be:
  • the STA determines whether the received first beacon frame includes a jump indication. If the first beacon frame includes a jump indication, it is determined that the working channel needs to be redirected to the primary channel.
  • the control node may request that the working channel be redirected to the primary channel by the STA on the slave channel (refer to the method provided in the first aspect of the embodiment of the present invention to add a hop in the first beacon frame). Describe the technical solution of the indication) in order to obtain in time the special control node sends the main channel The information is advertised, or the beamforming training of the STAs on the channel can be guaranteed to proceed normally. Therefore, an added jump indication of the first beacon frame to be transmitted indicates that the STA on the channel jumps to the primary channel.
  • the STA on the slave channel parses the first beacon frame, if it is determined that the first beacon frame includes a jump indication, it can be determined that it needs to jump to the primary channel.
  • the STA may redirect the working channel to the primary channel according to the indication information in the first beacon frame, where the STA may be: the STA jumps to the primary at the time specified by the jump indication according to the indication information. channel.
  • the jump indication sent by the control node may specify a time when the STA jumps to the primary channel, and the STA performs a channel jump at the specified time.
  • the time indicated by the jump indication may be within the beacon transmission interval BTI in the beacon interval BI, or may be within the access period except the BTI of the BI, which is not limited by the embodiment of the present invention. .
  • step 303 the STA determines that the working channel needs to be redirected to the primary channel, and the implementation manner may be:
  • the STA can detect the communication quality of the slave channel, and when the communication quality of the slave channel is lower than the set threshold, determine that it needs to jump to the primary channel, and perform step 304 to jump to the primary channel. Beamforming training continues on the channel.
  • the STA By detecting the channel quality of the slave channel on which the slave is located, the STA can jump to the primary channel when the channel quality of the slave channel is below a set threshold to avoid affecting the beamforming training or STA due to the channel quality of the slave channel being too low.
  • the normal communication is carried out to ensure the communication stability of the wireless network.
  • the STA when performing step 304, the STA jumps the working channel to the primary channel according to the indication information of the primary channel in the first beacon frame, and the implementation manner includes:
  • the STA locates the primary channel according to the identifier of the primary channel included in the indication information, and jumps to the primary channel;
  • the STA locates the primary channel according to the frequency interval between the primary channel included in the indication information and the secondary channel where the first beacon frame is located, and the frequency of the secondary channel where the first beacon frame is located, and jumps to Main channel.
  • the indication information in the first beacon frame may include an identifier of the primary channel, and the STA may locate the primary channel according to the identifier of the primary channel; the indication information in the first beacon frame may also include the primary channel and the first beacon.
  • the frequency interval between the slave channels in which the frame is located, the STA can locate the primary channel according to the frequency value of the channel in which it is located and the frequency interval in the indication information.
  • the STA can quickly locate the primary channel, thereby being able to jump to the primary when needed.
  • the channel is simple and reliable.
  • the embodiment of the present invention further provides an apparatus 400 for transmitting a beacon frame.
  • the apparatus 400 includes:
  • a generating module 401 configured to generate a first beacon frame
  • the sending module 402 is configured to separately send at least one first beacon frame on the primary channel and each of the secondary channels, where the first beacon frame includes indication information of the primary channel, so that the first beacon frame is received on the secondary channel.
  • the station STA can jump the working channel to the primary channel according to the indication information.
  • the generating module 401 is specifically configured to: generate a first beacon frame that includes a jump indication, where the jump indication is used to indicate that the STA that receives the first beacon frame jumps the working channel to the primary channel at the first moment;
  • the sending module 402 is further configured to: send the feature information on the primary channel at a second time after the first time, the feature information includes a parameter of the beamforming training or a control parameter of the 60 GHz network.
  • the generating module 401 is specifically configured to: generate a first beacon frame including a jump indication, where the jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the main The channel is such that the STA performs the second phase beamforming training on the primary channel.
  • the apparatus 400 in this embodiment and the method provided in the first aspect are based on two aspects under the same inventive concept.
  • the implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description.
  • the structure and implementation process of the device 400 in this embodiment are understood. For the sake of brevity of the description, no further description is provided herein.
  • an embodiment of the present invention further provides an apparatus 500 for transmitting a beacon frame.
  • apparatus 500 includes:
  • a generating module 501 configured to generate a first beacon frame and a second beacon frame
  • the sending module 502 is configured to send at least one first beacon frame on each slave channel, and send at least one second beacon frame on the primary channel, where the primary channel is a channel supported by all STAs in the 60 GHz network
  • the first beacon frame includes indication information of the primary channel, so that the station STA that receives the first beacon frame on the slave channel can jump the working channel to the primary channel according to the indication information of the primary channel
  • the second beacon The frame is a beacon frame that can support single channel STAs and STAs that support multiple channels.
  • the generating module 501 is specifically configured to: generate a first beacon frame that includes a jump indication, where the jump indication is used to indicate that the STA that receives the first beacon frame jumps the working channel to the primary channel at the first moment;
  • the sending module 502 is further configured to: send the feature information on the primary channel at a second time after the first time, the feature information includes a parameter of the beamforming training or a control parameter of the 60 GHz network.
  • the generating module 501 is specifically configured to: generate a first beacon frame including a jump indication, where the jump indication is used to indicate that the STA performing the first stage beamforming training on the slave channel jumps the working channel to the main The channel is such that the STA performs the second phase beamforming training on the primary channel.
  • the apparatus 500 in this embodiment and the method provided in the second aspect are based on two aspects under the same inventive concept.
  • the implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description.
  • the structure and implementation process of the device 500 in this embodiment are understood. For the sake of brevity of the description, details are not described herein again.
  • the embodiment of the present invention further provides an apparatus 600 for receiving a beacon frame.
  • the apparatus 600 includes:
  • the detecting module 601 is configured to detect a first beacon frame that is sent by the control node on the slave channel;
  • the receiving module 602 is configured to receive a first beacon frame on the slave channel, where the first beacon frame includes indication information of the primary channel;
  • a determining module 603, configured to determine that a working channel needs to be redirected to the primary channel
  • the jump module 604 is configured to: hop the working channel according to the indication information of the primary channel in the first beacon frame Go to the main channel.
  • the determining module 603 is configured to: determine whether the received first beacon frame includes a jump indication, and if the first beacon frame includes a jump indication, determine that the working channel needs to be redirected to the primary channel.
  • the hopping module 604 is configured to: locate the primary channel according to the identifier of the primary channel included in the indication information, and jump to the primary channel; or, the primary channel and the first beacon frame included according to the indication information The frequency channel between the slave channels and the frequency of the slave channel where the first beacon frame is located locate the primary channel and jump to the primary channel.
  • the apparatus 600 in this embodiment and the method provided in the third aspect are based on two aspects under the same inventive concept.
  • the implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description.
  • the structure and implementation process of the device 600 in this embodiment are understood. For the sake of brevity of the description, details are not described herein again.
  • an embodiment of the present invention further provides an apparatus 700 for receiving a beacon frame.
  • the apparatus 700 includes: a processor 701, and a storage unit 702 and a transmitter 703 respectively connected to the processor 701.
  • the transmitter 703 is configured to transmit information on a channel of the wireless network; the storage unit 702 is configured to store an instruction.
  • the processor 701 is configured to execute an instruction stored by the storage unit 702 to perform the following steps: generating a first beacon frame when the instruction is executed; instructing the transmitter 703 to separately transmit at least one first beacon on the primary channel and each of the secondary channels
  • the frame, the first beacon frame contains indication information of the primary channel, so that the station STA that receives the first beacon frame on the slave channel can jump the working channel to the primary channel according to the indication information.
  • the device 700 further includes a bus 704.
  • the processor 701, the storage unit 702, and the transmitter 703 are respectively connected to the bus 704.
  • the processor 701 is specifically connected to the storage unit 702 and the transmitter 703 via the bus 704.
  • the processor 701 is configured to: generate a first beacon frame, specifically: generate a first beacon frame including a jump indication, where the jump indication is used to indicate that the STA that receives the first beacon frame is in the first moment Jumping the working channel to the primary channel;
  • the processor 701 is further configured to: at a second moment after the first moment, indicating that the transmitter 703 is at the main
  • the feature information is transmitted on the channel, and the feature information includes parameters of beamforming training or control parameters of a 60 GHz network.
  • the processor 701 is configured to: generate a first beacon frame, specifically: generate a first beacon frame including a jump indication, where the jump indication is used to indicate that the first stage beamforming training is performed on the slave channel.
  • the STA jumps the working channel to the primary channel to enable the STA to perform the second phase beamforming training on the primary channel.
  • the storage unit 702 is a random access memory, and after the device 700 enters a normal running state, the application and the operating system are run in the random access memory.
  • the device 700 further includes: a read-only memory that is booted by the basic input/output system that is solidified in the read-only memory when the device 700 is required to be booted, and the boot device 700 enters a normal operating state.
  • the apparatus 700 in this embodiment and the method provided in the first aspect are based on two aspects under the same inventive concept.
  • the implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description.
  • the structure and implementation process of the device 700 in this embodiment are understood. For the sake of brevity of the description, details are not described herein again.
  • an embodiment of the present invention further provides an apparatus 800 for receiving a beacon frame.
  • the apparatus 800 includes: a processor 801, and a storage unit 802 and a transmitter 803 respectively connected to the processor 801.
  • the transmitter 803 is configured to transmit information on a channel of the wireless network; the storage unit 802 is configured to store an instruction.
  • the processor 801 is configured to execute instructions stored by the storage unit 802 to perform the steps of: generating a first beacon frame and a second beacon frame when the instruction is executed; instructing the transmitter 803 to transmit at least one first on each of the slave channels a beacon frame and transmitting at least one second beacon frame on the primary channel, the primary channel being a channel supported by all STAs in the 60 GHz network; wherein the first beacon frame includes indication information of the primary channel, so that The station STA that receives the first beacon frame from the channel can jump the working channel to the primary channel according to the indication information of the primary channel, and the second beacon frame is a letter that can be resolved by the STA supporting the single channel and the STA supporting the multiple channel. Framed frame.
  • the device 800 further includes a bus 804.
  • the processor 801, the storage unit 802, and the transmitter 803 are respectively connected to the bus 804.
  • the processor 801 is specifically connected to the storage unit 802 and the transmitter 803 via the bus 804.
  • the processor 801 is configured to: generate a first beacon frame, specifically: generate a first beacon frame including a jump indication, where the jump indication is used to indicate that the STA that receives the first beacon frame is in the first moment Jumping the working channel to the primary channel;
  • the processor 801 is further configured to: at a second moment after the first moment, instruct the transmitter to transmit the feature information on the primary channel, the feature information including a parameter of the beamforming training or a control parameter of the 60 GHz network.
  • the processor 801 is configured to: generate a first beacon frame, specifically: generate a first beacon frame including a jump indication, where the jump indication is used to indicate that the first stage beamforming training is performed on the slave channel.
  • the STA jumps the working channel to the primary channel to enable the STA to perform the second phase beamforming training on the primary channel.
  • the storage unit 802 is a random access memory, and after the device 800 enters a normal running state, the application and the operating system are run in the random access memory.
  • the device 800 further includes: a read-only memory that is booted by the basic input/output system that is solidified in the read-only memory when the device 800 is required to be booted, and the boot device 800 enters a normal operating state.
  • the apparatus 800 in this embodiment and the method provided in the second aspect are based on two aspects under the same inventive concept.
  • the implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description.
  • the structure and implementation process of the device 800 in this embodiment are understood. For the sake of brevity of the description, details are not described herein again.
  • an embodiment of the present invention further provides an apparatus 900 for receiving a beacon frame.
  • the apparatus 900 includes a processor 901, and a storage unit 902 and a receiver 903 respectively connected to the processor 901.
  • the receiver 903 is configured to receive information; the storage unit 902 is configured to store instructions.
  • the processor 901 is configured to execute an instruction stored by the storage unit 902 to execute, for example, when executing the instruction. The following steps: detecting a first beacon frame sent by the control node on the slave channel; indicating that the receiver 903 receives the first beacon frame on the slave channel, the first beacon frame containing indication information of the primary channel; determining that the working channel needs to be Jumping to the primary channel; jumping the working channel to the primary channel according to the indication information of the primary channel in the first beacon frame.
  • the device 900 further includes: a bus 904.
  • the processor 901, the storage unit 902, and the receiver 903 are respectively connected to the bus 904.
  • the processor 901 is specifically connected to the storage unit 902 and the transmitter 903 via a bus 904.
  • the processor 901 is configured to: determine that the working channel needs to be redirected to the primary channel, specifically: determining whether the received first beacon frame includes a jump indication, if the first beacon frame includes a jump indication Then, it is determined that the working channel needs to be redirected to the primary channel.
  • the processor 901 is configured to: according to the indication information of the primary channel in the first beacon frame, jump the working channel to the primary channel, specifically: locate the primary channel according to the identifier of the primary channel included in the indication information, and hop Going to the primary channel; or, for locating the primary channel according to the frequency interval between the primary channel included in the indication information and the secondary channel where the first beacon frame is located, and the frequency of the secondary channel where the first beacon frame is located, and Jump to the main channel.
  • the storage unit 902 is a random access memory, and after the device 900 enters a normal running state, the application and the operating system are run in the random access memory.
  • the device 900 further includes: a read-only memory that is booted by the basic input/output system that is solidified in the read-only memory when the device 900 is required to be booted, and the boot device 900 enters a normal operating state.
  • the apparatus 900 in this embodiment and the method provided in the third aspect are based on two aspects under the same inventive concept.
  • the implementation process of the method has been described in detail above, so that those skilled in the art can clearly understand according to the foregoing description.
  • the structure and implementation process of the device 900 in this embodiment are understood. For the sake of brevity of the description, details are not described herein again.
  • the beacon frame by sending on each channel supported by the network
  • the beacon frame enables STAs located on any channel supported by the wireless network to receive the beacon frame and can perform beamforming training based on the received beacon frame.
  • the STA may need to switch between different working channels.
  • the primary channel is added by adding the primary channel to the first beacon frame sent from the channel. Instructing information that the STA that receives the first beacon frame from the channel can locate the primary channel according to the indication information in the first beacon frame, and jump the working channel to the primary channel when needed, realizing the STA in the master-slave Switch between channels.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

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Abstract

L'invention porte sur des procédés pour envoyer et recevoir une trame de signalisation d'incidents et sur des appareils correspondants, qui sont prévus pour résoudre le problème d'un manque d'une solution technique pour permettre à toutes les stations (STA) dans un réseau sans fil prenant en charge de multiples canaux d'obtenir avec succès un apprentissage de formation de faisceau dans l'état de la technique. L'appareil pour envoyer une trame de signalisation d'incidents comprend les opérations suivantes : un nœud de commande génère une première trame de signalisation d'incidents, le nœud de commande comprenant un point de commande d'ensemble de services de base personnel (PCP) ou comprenant un point d'accès (AP) ; et le nœud de commande envoie au moins une première trame de signalisation d'incidents sur un canal primaire et chaque canal secondaire séparément, la première trame de signalisation d'incidents comprenant des informations d'indication concernant le canal primaire, de telle sorte que des stations (STA) recevant les premières trames de signalisation d'incidents sur les canaux secondaires peuvent sauter, selon les informations d'indication, un canal de travail vers le canal primaire.
PCT/CN2015/077201 2015-04-22 2015-04-22 Procédés pour envoyer et recevoir une trame de signalisation d'incidents et appareils correspondants WO2016169009A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1646887B1 (fr) * 2003-07-10 2009-02-18 Infineon Technologies AG Procede et unite de controle centrale pour la commutation de canaux dans un reseau de communication base sur des paquets
CN102792721A (zh) * 2009-11-12 2012-11-21 法国电信 用于分配数据传输资源的方法，以及相应的切换方法、接入点、终端、计算机程序和信号
CN102271403A (zh) * 2011-07-27 2011-12-07 东南大学 一种超高速无线个域网多信道复用方法
CN103428810A (zh) * 2012-05-23 2013-12-04 华为技术有限公司 一种无线局域网的通信方法、接收方法及装置

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