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WO2018130111A1 - Procédé de configuration d'une position de départ de transmission de liaison montante, entité de réseau d'accès et équipement utilisateur - Google Patents

Procédé de configuration d'une position de départ de transmission de liaison montante, entité de réseau d'accès et équipement utilisateur Download PDF

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Publication number
WO2018130111A1
WO2018130111A1 PCT/CN2018/071331 CN2018071331W WO2018130111A1 WO 2018130111 A1 WO2018130111 A1 WO 2018130111A1 CN 2018071331 W CN2018071331 W CN 2018071331W WO 2018130111 A1 WO2018130111 A1 WO 2018130111A1
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WO
WIPO (PCT)
Prior art keywords
gul
uplink transmission
different
access network
network entity
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PCT/CN2018/071331
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English (en)
Chinese (zh)
Inventor
孙立新
丁颖哲
周明宇
王力
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北京佰才邦技术有限公司
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Publication of WO2018130111A1 publication Critical patent/WO2018130111A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method for configuring an uplink transmission start location, an access network entity, and a UE (User Equipment).
  • UE User Equipment
  • the traditional LTE Long Term Evolution
  • LBT Listen Before Talk
  • GUL Grant-less UpLink
  • An object of the present disclosure is to provide a method for configuring an uplink transmission start position, an access network entity, and a UE, to solve the problem that the UE cannot determine the starting position of the GUL uplink transmission.
  • a method for configuring an uplink transmission start location includes: an access network entity configuring, for a UE, an uplink transmission GUL parameter based on UE autonomous scheduling, where the GUL parameter includes at least Location information supporting one or more subframes of the GUL, and one or more uplink transmission start location information within each subframe; the access network entity providing the GUL parameters to the UE.
  • a method for configuring an uplink transmission starting position comprising: acquiring, by a UE, an uplink transmission GUL parameter based on UE autonomous scheduling provided by an access network entity, where the GUL parameter is at least Include location information of one or more subframes supporting the GUL, and one or more uplink transmission start location information within each subframe; the UE determines a GUL uplink transmission start location according to the GUL parameter.
  • an access network entity including at least one processor, configured to: configure, for a UE, an uplink transmission GUL parameter based on UE autonomous scheduling, where the GUL parameter includes at least Supporting location information of one or more subframes of the GUL, and one or more uplink transmission start location information within each subframe; providing the GUL parameters to the UE.
  • a UE including at least one processor, configured to: acquire an uplink transmission GUL parameter based on UE autonomous scheduling provided by an access network entity, where the GUL parameter is at least Include location information of one or more subframes supporting the GUL, and one or more uplink transmission start locations within each subframe; determining a GUL uplink transmission start location according to the GUL parameters.
  • the access network entity configures, for the user equipment UE, an uplink transmission GUL parameter based on the UE autonomous scheduling, where the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one or more uplinks in each subframe. Transmitting start location information; the access network entity providing the GUL parameter to the UE.
  • the uplink transmission start position of the UE can be configured before the UE performs the GUL uplink transmission, and the fairness of the channel competition of different UEs is ensured, and the UE is reused in the subframe to improve the channel utilization.
  • FIG. 1 is a schematic structural diagram of a basic structure of a mobile communication network according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flow chart of a method for configuring an uplink transmission start position according to an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart diagram of another method for configuring an uplink transmission start position according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of an access network entity according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • the mobile communication system refers to an operator providing communication services for the UE by deploying a radio access network device (such as a base station) and a core network device (such as a Home Location Register, HLR). system.
  • a radio access network device such as a base station
  • a core network device such as a Home Location Register, HLR
  • FIG. 1 shows a basic architecture diagram of a mobile communication network.
  • Mobile communications have experienced first, second, third and fourth generations.
  • the first generation of mobile communication refers to the original analog, voice-only cellular phone standard, mainly using analog technology and Frequency Division Multiple Access (FDMA) access methods.
  • the second generation of mobile communications introduced digital technology to improve network capacity, improve voice quality and confidentiality, with "Global System for Mobile Communication (GSM)" and "Code Division Multiple Access” , CDMA IS-95)" is representative.
  • GSM Global System for Mobile Communication
  • CDMA IS-95 Code Division Multiple Access
  • the third generation mobile communication mainly refers to three technologies of CDMA2000, WCDMA and TD-SCDMA. All three technologies use code division multiple access as the access technology.
  • the standards of the fourth generation mobile communication system are relatively uniform internationally, and are the Long Term Evolution/Long Term Evolution-Advanced (LTE/LTE-A) developed by the International Organization for Standardization (3GPP).
  • the downlink is based on orthogonal frequency division multiple access.
  • Orthogonal Frequency Division Multiple Access (OFDMA) uplink based on Single Carrier-Frequency Division Multiple Access (SC-FDMA) access mode, based on flexible bandwidth and adaptive modulation and coding
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single Carrier-Frequency Division Multiple Access
  • an uplink transmission method is newly defined, for example, MulteFire, which is an LTE technology that supports the UE to work independently in an unlicensed band, that is, stand-alone LTE-U.
  • MulteFire is an LTE technology that supports the UE to work independently in an unlicensed band, that is, stand-alone LTE-U.
  • the channel access specification of the band is to be observed.
  • the unlicensed band of 5 GHz needs to be listened to by LBT (Listen Before Talk), that is, it is required to detect that the channel is idle before sending.
  • LBT Listen Before Talk
  • the centralized scheduling based on the access network entity is adopted. For the uplink transmission of the UE, the scheduling request needs to be initiated first, and then the uplink scheduling of the access network entity is waited for the uplink transmission.
  • both the UE and the access network entity need to perform LBT before each signal is sent. Therefore, the traditional uplink transmission based on the access network entity scheduling, especially the Wi-Fi device shared channel based on distributed scheduling, In the transmission of unlicensed frequency bands, it is easy to cause performance degradation such as uplink throughput and delay, and reduce the success rate of LBT.
  • MulteFire proposes to adopt uplink scheduling based on UE autonomous scheduling, that is, AUL (Autonomous UpLink) or GUL (Grant-less UpLink), which is unified in the embodiment of the present disclosure.
  • AUL Autonomous UpLink
  • GUL Grant-less UpLink
  • the LBT conditions for different UEs are different, and how to implement user uplink multiplexing becomes a major challenge faced by GUL uplink transmission.
  • the multiplexing mode such as TDM/CDM/SDM can be used.
  • the delay is considered.
  • the TxOP (Transmission Opportunity) of the UE is reduced, which in turn leads to an increase in the LBT/control overhead.
  • FDM Frequency Division Multiplexing
  • the present disclosure provides a method for configuring an uplink transmission start position, which will be described in detail below in conjunction with specific embodiments.
  • the user equipment may be referred to as a terminal, a mobile station (Mobile Station, abbreviated as “MS”), and a mobile terminal (Mobile). Terminal) and so on.
  • the UE can be a mobile phone (or cell phone), or other device capable of transmitting or receiving wireless signals, including a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, wireless local.
  • PDA personal digital assistant
  • a circuit (WLL) station a CPE (Customer Premise Equipment) capable of converting a mobile signal into a WiFi signal, a mobile intelligent hotspot, a smart home appliance, or other device capable of spontaneously communicating with a mobile communication network without human operation Wait.
  • WLL Wireless Local Area Network
  • CPE Customer Premise Equipment
  • the access network entity may be a base station. It may be understood that the form of the foregoing base station is not limited, and may be a Macro Base Station, a Pico Base Station, or a Node B (a name of a 3G mobile base station).
  • Enhanced base station (ENB) home enhanced base station (Femto eNB or Home eNode B or Home eNB or HNEB), relay station, access point, RRU (Remote Radio Unit), RRH (Remote Radio Head, RF remote head) and so on.
  • FIG. 2 is a schematic flowchart of a method for configuring an uplink transmission start location according to an embodiment of the present disclosure, where an execution entity of the method may be an access network entity, as shown in FIG. 2, where the method includes The following steps:
  • Step 201 The access network entity configures an uplink transmission GUL parameter based on UE autonomous scheduling for the UE, where the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one or more of each subframe. Uplink transmission start position information.
  • the access network entity configures a GUL parameter for the UE, where the GUL parameter includes at least location information of a subframe supporting GUL and one or more uplink transmission start location information in each subframe.
  • the subframe supporting the GUL may be one subframe or multiple subframes, and each subframe supporting the GUL may include an uplink transmission start position, and may also include multiple uplink transmission start positions.
  • the access network entity may configure the GUL parameter for the UE by using high layer signaling (for example, radio resource control RRC signaling, etc.), or may configure the GUL parameter for the UE by using physical layer control signaling.
  • the access network entity may configure different uplink transmission start positions for the UE in different GUL subframes.
  • the UE may determine an uplink transmission start location according to the current subframe. For example, the UE may determine an uplink transmission start according to one or more of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier. position.
  • the GUL parameter may further include a GUL time-frequency resource and a transmission parameter (for example, a parameter in an uplink resource scheduling signaling UL grant).
  • the GUL time-frequency resources include GUL frequency resources and/or codeword resources.
  • the access network entity may configure different GUL subframes for different UEs to implement TDM at the subframe level, or configure the same GUL subframe for multiple different UEs, and perform TDM or FDM through the LBT.
  • the access network entity may configure different uplink transmissions for the multiple different UEs in the same GUL subframe.
  • the same uplink transmission start position may be configured in the same GUL subframe for the multiple different UEs, where the access network entity is in the same GUL sub
  • the access network entity further configures mutually orthogonal frequency resources and/or orthogonal to each other in the same GUL subframe for the multiple different UEs. Codeword resource.
  • the access network entity may also configure different uplink transmission start positions in the same GUL subframe for multiple groups of UEs, and the uplink transmission start positions of the same group of UEs are the same.
  • a plurality of UEs in a group of UEs are orthogonal to each other and/or codeword resources are orthogonal to each other in the same GUL subframe, so that multiplexing of multiple UEs in the same GUL subframe is implemented.
  • the same UE may be configured with multiple transmission start positions and corresponding frequency and/or codeword resources (for example, the same UE may belong to multiple different groups at the same time), when the UE is at a certain transmission start position.
  • the time-frequency resource and/or codeword resource corresponding to the transmission start position is used for transmission.
  • the access network entity may configure a plurality of consecutive GUL subframes for the UE. For example, after the Cat-4LBT of the UE is successful, the access network entity is configured with multiple consecutive GUL sub-subjects under the requirement of satisfying the maximum channel occupation duration corresponding to the channel access priority.
  • the UE may perform GUL uplink transmission on the plurality of consecutive GUL subframes.
  • the UE in order to prevent multiple UEs from continuously colliding on the multiple consecutive GUL subframes, if the UE does not occupy the entire system bandwidth, the UE performs UE-specific on multiple occupied subframes.
  • the frequency hopping and/or codeword change pattern being based at least on the UE's UE ID (C-RNTI generation) and/or the cell ID to which the UE belongs determine.
  • a frequency modulation and/or codeword change pattern such as a group-specific hopping pattern, may also be generated according to the group ID to which the UE belongs.
  • the access network entity may configure the same frequency resource and/or codeword resource for the UE in different GUL subframes, or configure different frequency resources and/or different frequency resources for the UE in different GUL subframes. Or codeword resources.
  • the access network entity may allocate different preamble sequences to different UEs, and the different preamble sequences may indicate different uplink transmission start positions.
  • the UE may transmit a preamble sequence after the uplink transmission start position when performing GUL uplink transmission, and the access network entity may blindly check a preamble sequence sent by the UE on the current subframe, and then according to the The preamble sequence determines related information such as an uplink transmission arrival and a starting position of the UE, thereby achieving correct reception of data.
  • Step 202 The access network entity provides the GUL parameter to the UE.
  • the access network entity provides the GUL parameter to the UE after configuring the GUL parameter for the UE.
  • the parameter may be that the access network entity sends the GUL parameter to the UE, or the UE may actively obtain the GUL parameter from the access network entity, which is not specifically limited in the disclosure.
  • the access network entity may send the GUL parameter to the UE by using high layer signaling (eg, radio resource control RRC signaling, etc.), or may send the GUL parameter to the UE by using physical layer control signaling.
  • high layer signaling eg, radio resource control RRC signaling, etc.
  • the access network entity configures, by the UE, different uplink transmission start positions in different GUL subframes.
  • the access network entity configures different uplink transmission start positions in the different GUL subframes of the UE, and the UE needs to perform GUL uplink transmission in the Cat-4LBT (ie, the 3GPP standard).
  • the competition window-based channel contention access mode specified in the method determines the uplink transmission start position of the current subframe after successful, and then starts the data transmission at the uplink transmission start position in the current subframe.
  • the uplink transmission start position of the UE in different GUL subframes may be changed according to one or more of the following: frame number, subframe number, UE identification code (UE ID), and cell radio network temporary identifier C. -RNTI. That is to say, in this embodiment, the UE may determine an uplink transmission start position in the current subframe according to one or more of the foregoing, and then transmit data after the uplink transmission start position.
  • the uplink transmission start position of the UE in different GUL subframes is adjusted according to at least one of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier.
  • the start position of the PUSCH (Physical Uplink Shared Channel) in the GUL subframe includes a first symbol (for example, symbol 0) and a second symbol (for example, symbol 1), and uplink transmission starts from The start position can be implemented by sending other signals before the PUSCH. For example, by transmitting a reservation signal and/or a preamble signal, the UE may start GUL transmission before the first symbol or the second symbol after the success of the Cat-4 LBT.
  • the uplink transmission start position of the UE in different GUL subframes may be different. For example, it is assumed that the GUL subframe of the current cell includes multiple uplink transmission start positions (for example, OS#0, OS#1-25us).
  • the GUL start position configured by the access network entity for the UE is that the PUSCH is transmitted from the second symbol, and the configured uplink transmission start position is OS#1-25us. Then, the next GUL subframe that needs to be successfully transmitted by the cat-4LBT needs to determine the current uplink transmission start position according to the current GUL subframe number and/or SFN (system frame number) number.
  • the PUSCH is started from the second symbol, OS#1, and OS#1-25us and OS#1 can transmit the reserved signal.
  • the GUL parameter further includes a GUL frequency resource and/or a codeword resource.
  • the GUL parameter may further include a GUL frequency resource and/or a codeword resource to implement multiplexing of multiple UEs in the same GUL subframe.
  • the access network entity configures the same uplink transmission start position in the same GUL subframe for multiple UEs
  • the access network entity further is that the multiple UEs are in the same GUL.
  • the mutually orthogonal frequency resources and/or mutually orthogonal codeword resources are arranged in the subframe, so that resource multiplexing of multiple UEs in the same GUL subframe is implemented.
  • the access network entity configures, by the multiple UEs, the same uplink transmission start location in the same GUL subframe, and the multiple UEs are orthogonal to each other in the same GUL subframe. And/or codeword resources are orthogonal to each other.
  • the access network entity configures the same uplink transmission start position in the same GUL subframe for multiple UEs in a group of UEs, and GULs orthogonal to each other in the same GUL subframe. Frequency resources and/or codeword resources, thereby enabling multiplexing of multiple UEs within the same GUL subframe.
  • the access network entity configures different uplink transmission start positions in the same GUL subframe for multiple groups of UEs, and multiple UEs in each group of UEs have frequency resources in the same GUL subframe.
  • the mutually orthogonal and/or codeword resources are orthogonal to each other.
  • the access network entity configures different uplink start positions in the same GUL subframe for different groups of UEs, where each group of UEs includes one or more UEs, and each group Multiple UEs in the UE are orthogonal to each other in the same GUL subframe and/or the codeword resources are orthogonal to each other.
  • the access network entity can allocate more on the same time-frequency resource because it cannot be determined whether multiple UEs can have uplink transmission requirements at the same time, and the uplink LBT time and result of each UE are relatively independent. UEs to ensure resource utilization and reduce access delay. That is, the access network entity allocates the same time-frequency resource to the multiple UEs.
  • the access network entity configures the same GUL for UEs with the same resource allocation (ie, UEs with the same GUL frequency resource and/or codeword resource).
  • Different upstream transmission start positions within the subframe ie, the access network entity can implement multiplexing of the same group of UEs by configuring different uplink transmission start positions for different groups of UEs, and effectively avoid conflicts between different groups of UEs, and can also sequentially transmit sequence guarantees by rotation. Fairness.
  • different uplink transmission start positions can be configured for the UE according to resources such as the time-frequency code of the UE, and the channel competition fairness between users can be ensured by periodically changing the uplink transmission start position.
  • the uplink transmission start position is configured as OS#1-25us for the first group of UEs, and the uplink transmission start position is configured as OS#1-16us for the second group of UEs.
  • the UE configures the uplink transmission start position to be OS#1.
  • the access network entity can configure the uplink transmission starting position for different groups of UEs as follows:
  • the access network entity configures different frequency resources and/or codeword resources for the UE in different GUL subframes.
  • the access network entity configures different GUL frequency resources and/or codeword resources in the different GUL subframes of the UE, and can effectively avoid collision with uplink transmission data of other UEs.
  • the access network entity configures multiple consecutive GUL subframes for the UE, the access network entity configures different frequency resources and/or codeword resources for the UE in different subframes, such that It can effectively avoid multiple subframes from continuously colliding.
  • the method further includes:
  • the access network entity acquires a preamble signal and/or a reserved signal that is transmitted by the UE after the uplink transmission start position.
  • the UE after acquiring the GUL parameter and determining an uplink transmission start position according to the GUL parameter, transmits a preamble signal and/or a reserved signal after the uplink transmission start position, where The access network entity receives a preamble signal and/or a reserved signal transmitted by the UE after the uplink transmission start position.
  • the preamble signal may include a preamble sequence configured for the UE as the access network entity.
  • the access network entity configures different preamble sequences for different UEs, wherein different preamble sequences indicate different UEs or UE groups.
  • the access network entity may further determine, according to the preamble sequence, an uplink transmission arrival and a transmission start location of the UE. So that data can be correctly received according to the determined uplink transmission start position.
  • the access network entity allocates different preamble sequences to different UEs, where different preamble sequences indicate uplink transmissions of different UEs.
  • the access network entity allocates different preamble sequences to different UEs, and the different preamble sequences indicate uplink transmissions of different UEs, and the UE may start in the uplink transmission when performing uplink data transmission.
  • the preamble sequence is transmitted after the start position.
  • the access network entity allocates different preamble sequences to the same UE, and is used to indicate different uplink transmission information.
  • the access network entity allocates different preamble sequences to the same UE, where different preamble sequences indicate different uplink data transmission start positions, and the UE may indicate access by sending different preamble sequences.
  • the starting position of the current uplink transmission of the network entity may also include corresponding start positions of different uplink data transmissions, resource information of different uplink control channels, and the like.
  • the access network entity may indicate related information of the subsequent GUL transmission by using a preamble signal, such as a start bit position of the PUSCH, and a PUCCH/ePUCCH/sPUCCH/xPUCCH A video codeword resource or the like, wherein the preamble signal may be generated by a ZC sequence (root sequence), such as a DMRS (Demodulation Reference Signal) sequence.
  • the access network entity may implement resource orthogonality by allocating different preamble sequences for different UEs or different groups of UEs.
  • the method further includes:
  • the access network entity blindly detects a preamble sequence sent by the UE on the current subframe
  • the access network entity determines an uplink transmission arrival location and a starting location of the UE according to the preamble sequence.
  • the access network entity blindly detects the preamble sequence sent by the UE in the current subframe, and then determines the uplink transmission arrival location and the starting location of the UE according to the preamble sequence. Specifically, the access network entity may identify a UE or a group of UEs from which a GUL (User Class Identifier) signal arrives or is obtained by blindly detecting a preamble sequence sent by a possible GUL UE in the current subframe. Further, the access network entity may determine corresponding UCI and PUSCH information according to the preamble sequence, such as a time-frequency codeword resource of UCI, a starting position of a PUSCH, and the like.
  • GUL User Class Identifier
  • the UE may also determine, by using a preamble sequence of other UEs in the current GUL subframe, whether the uplink transmission of the UE and other UEs collides, and stop the PUSCH when a collision occurs. transmission. Specifically, the UE may obtain the preamble sequence used by other UEs in the current GUL subframe by acquiring the information provided by the access network entity, and may also learn the preamble sequence used by other UEs in the current GUL subframe by using a blind detection manner. .
  • the UE determines whether to collide with other UEs according to a preamble sequence sent by other UEs on the current GUL subframe, and the UE determines that it occurs with other UEs. In the case of a collision, the subsequent PUSCH transmission is stopped, and the continuous collision with other UEs is effectively avoided.
  • the access network entity configures an uplink transmission GUL parameter based on UE autonomous scheduling for the UE, where the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one in each subframe. Or a plurality of uplink transmission start location information; the access network entity providing the GUL parameter to the UE.
  • the uplink transmission start position of the UE can be configured before the UE performs the GUL uplink transmission, and the fairness of the channel competition of different UEs is ensured, and the UE is reused in the subframe to improve the channel utilization.
  • FIG. 3 is a schematic flowchart of another method for configuring an uplink transmission starting position according to an embodiment of the present disclosure.
  • an execution entity of the method is a UE, as shown in FIG.
  • the method includes the following steps:
  • Step 301 The UE acquires an uplink transmission GUL parameter based on UE autonomous scheduling provided by an access network entity, where the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one or more in each subframe. Uplink transmission start position information.
  • Step 302 The UE determines a GUL uplink transmission start position according to the GUL parameter.
  • the GUL parameter includes different uplink transmission start location information of the UE in different GUL subframes.
  • the UE adjusts an uplink transmission start position in a different GUL subframe according to at least one of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier.
  • the GUL parameter further includes a GUL frequency resource and/or a codeword resource.
  • the GUL parameter includes the same uplink transmission start location information of multiple UEs in the same GUL subframe, and the multiple UEs are orthogonal to each other in the same GUL subframe.
  • the codeword resources are orthogonal to each other.
  • the GUL parameter includes different uplink transmission start positions of multiple groups of UEs in the same GUL subframe, and multiple UEs in each group of UEs are orthogonal to each other in the same GUL subframe. And/or codeword resources are orthogonal to each other.
  • the GUL parameter includes different frequency resources and/or codeword resources of the UE in different GUL subframes.
  • the method further includes:
  • the UE transmits a preamble signal and/or a reserved signal after the uplink transmission start position.
  • the GUL parameter includes different preamble sequences allocated by the access network entity for different UEs, where different preamble sequences indicate uplink transmissions of different UEs.
  • the GUL parameter includes different preamble sequences allocated by the access network entity to the same UE, and is used to indicate different uplink transmission information.
  • the method further includes:
  • the UE stops the physical uplink shared channel PUSCH transmission when it determines that a collision with another UE occurs.
  • the UE acquires an uplink transmission GUL parameter based on the UE autonomous scheduling provided by the access network entity, where the GUL parameter includes at least location information of one or more subframes supporting the GUL, and within each subframe.
  • the GUL parameter includes at least location information of one or more subframes supporting the GUL, and within each subframe.
  • One or more uplink transmission start position information ; the UE determines a GUL uplink transmission start position according to the GUL parameter.
  • the uplink transmission start position of the UE can be configured before the UE performs the GUL uplink transmission, and the fairness of the channel competition of different UEs is ensured, and the multiplexing of the UE in the subframe is implemented, and the channel utilization rate is improved.
  • the UE side embodiment corresponding to the embodiment shown in FIG. 2 may be used, and related steps performed by the UE may be referred to the related description in the embodiment shown in FIG. 2, and details are not described herein again. .
  • the access network entity includes a processor 400, a transceiver 410, a memory 420, a user interface 430, and a bus interface, where:
  • the processor 400 is configured to read a program in the memory 420 and perform the following process:
  • the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one or more uplink transmission start location information within each subframe;
  • the GUL parameter is provided to the UE.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 400 and various circuits of memory represented by memory 420.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 410 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 400 when performing operations.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 400 when performing operations.
  • the configuring, by the processor 400, the GUL parameters for the UE includes:
  • Different uplink transmission start positions are configured for the UE in different GUL subframes.
  • the uplink transmission start position of the UE in different GUL subframes is adjusted according to at least one of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier.
  • the GUL parameter further includes a GUL frequency resource and/or a codeword resource.
  • the configuring, by the processor 400, the GUL parameters for the UE includes:
  • the same uplink transmission start location is configured for multiple UEs in the same GUL subframe, and the multiple UEs are orthogonal to each other in the same GUL subframe and/or the codeword resources are orthogonal to each other.
  • the configuring, by the processor 400, the GUL parameters for the UE includes:
  • a plurality of groups of UEs are configured with different uplink transmission start positions in the same GUL subframe, and multiple UEs in each group of UEs configure different frequency resources and/or codeword resources in different GUL subframes.
  • the configuring, by the processor 400, the GUL parameters for the UE includes:
  • Different frequency resources and/or codeword resources are configured for the UE in different GUL subframes.
  • processor 400 is further configured to:
  • the configuring, by the processor 400, the GUL parameters for the UE includes: assigning different preamble sequences to different UEs, where different preamble sequences indicate uplink transmissions of different UEs.
  • the configuring, by the processor 400, the GUL parameter for the UE includes: assigning different preamble sequences to the same UE, and indicating different uplink transmission information.
  • processor 400 is further configured to:
  • the foregoing access network entity may be an access network entity in the embodiment shown in FIG. 2 to FIG. 3, and any implementation manner of the access network entity in the embodiment shown in FIG. 2 to FIG. All of the foregoing access network entities in the embodiment can be implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • FIG. 5 is a schematic structural diagram of a UE according to an embodiment of the present disclosure.
  • the UE includes: a processor 500, a transceiver 510, a memory 520, a user interface 530, and a bus interface, where :
  • the processor 500 is configured to read a program in the memory 520 and perform the following process:
  • the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one or more uplink transmissions in each subframe Starting position information;
  • a GUL uplink transmission start position is determined according to the GUL parameter.
  • the transceiver 510 is configured to receive and transmit data under the control of the processor 500.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 500 and various circuits of memory represented by memory 520.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 510 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 530 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 can store data used by the processor 500 when performing operations.
  • the GUL parameter includes different uplink transmission start location information of the UE in different GUL subframes.
  • the uplink transmission start position of the UE in different GUL subframes is adjusted according to at least one of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier.
  • the GUL parameter further includes a GUL frequency resource and/or a codeword resource.
  • the GUL parameter includes the same uplink transmission start location information of multiple UEs in the same GUL subframe, and the multiple UEs have frequency resource and/codeword resources in the same GUL subframe. Orthogonal to each other.
  • the GUL parameter includes different uplink transmission start positions of multiple groups of UEs in the same GUL subframe, and multiple UEs in each group of UEs are orthogonal to each other in the same GUL subframe. And/or codeword resources are orthogonal to each other.
  • the GUL parameter includes different frequency resources and/or codeword resources of the UE in different GUL subframes.
  • processor 500 is further configured to:
  • a preamble signal and/or a reserved signal are transmitted after the uplink transmission start position.
  • the GUL parameter includes different preamble sequences allocated by the access network entity for different UEs, where different preamble sequences indicate uplink transmissions of different UEs.
  • the GUL parameter includes different preamble sequences allocated by the access network entity to the same UE, to indicate different uplink transmission information.
  • processor 500 is further configured to:
  • the physical uplink shared channel PUSCH transmission of the UE is stopped.
  • the foregoing UE may be the UE in the embodiment shown in FIG. 2 to FIG. 3, and any implementation manner of the UE in the embodiment shown in FIG. 2 to FIG. 3 may be used in this embodiment.
  • the foregoing UE implements and achieves the same beneficial effects, and details are not described herein again.
  • the disclosed method and apparatus may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • system and “network” are used interchangeably herein.
  • B corresponding to A means that B is associated with A, and B can be determined from A.
  • determining B from A does not mean that B is determined solely from A, and that B can also be determined based on and/or other information.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present disclosure.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, a portion of the technical solution of the present disclosure that contributes in essence or to the related art or a part of the technical solution may be embodied in the form of a software product stored in a storage medium, including several The instructions are for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
  • An uplink transmission start location configuration method comprising: an access network entity configuring, for a user equipment UE, an uplink transmission GUL parameter based on autonomous scheduling of the UE, where the GUL parameter includes at least one or more subframes supporting the GUL. Location information, and one or more uplink transmission start location information within each subframe; the access network entity providing the GUL parameters to the UE.
  • A2 The method of A1, wherein the access network entity configures, by the UE, different uplink transmission start positions in different GUL subframes.
  • A4 The method of any of A1 - A3, wherein the GUL parameter further comprises a GUL frequency resource and/or a codeword resource.
  • the intra frequency resources are orthogonal to each other and/or the codeword resources are orthogonal to each other.
  • A6 The method of A4, wherein the access network entity configures different uplink transmission start positions in the same GUL subframe for multiple groups of UEs, and multiple UEs in each group of UEs are in the same
  • the frequency resources within one GUL subframe are orthogonal to each other and/or the codeword resources are orthogonal to each other.
  • any one of A1 to A7 further comprising: the access network entity acquiring a preamble signal and/or a reserved signal transmitted by the UE after the uplink transmission start position; The network access entity determines an uplink transmission arrival and a transmission start location of the UE according to the preamble signal and/or the reservation signal.
  • A9 The method of A8, wherein the access network entity allocates different preamble sequences to different UEs, wherein different preamble sequences indicate uplink transmissions of different UEs.
  • A10 The method of A8, wherein the access network entity allocates different preamble sequences to the same UE, and is used to indicate different uplink transmission information.
  • A12 The method of A11, wherein the access network entity determines a start time position of a time-frequency codeword resource or a PUSCH of the UCI according to the preamble sequence.
  • a method for configuring an uplink transmission starting position comprising: acquiring, by a user equipment UE, an uplink transmission GUL parameter based on UE autonomous scheduling provided by an access network entity, where the GUL parameter includes at least one or more subframes supporting GUL Location information, and one or more uplink transmission start location information within each subframe; the UE determines a GUL uplink transmission start location according to the GUL parameter.
  • the GUL parameter comprises different uplink transmission start position information of the UE in different GUL subframes.
  • the UE adjusts an uplink transmission start position in a different GUL subframe according to at least one of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier.
  • the GUL parameter further comprises a GUL frequency resource and/or a codeword resource.
  • the GUL parameter includes the same uplink transmission start location information of multiple UEs in the same GUL subframe, and the multiple UEs are in the same GUL subframe.
  • the frequency resources are orthogonal to each other and/or the codeword resources are orthogonal to each other; or
  • the GUL parameter includes different uplink transmission start positions of multiple groups of UEs in the same GUL subframe, and multiple UEs in each group of UEs are orthogonal to each other and/or code in the same GUL subframe. Word resources are orthogonal to each other.
  • any one of B13-B18 further comprising: transmitting, by the UE, a preamble signal and/or a reservation signal after the uplink transmission start position, wherein the preamble signal comprises a preamble sequence.
  • the GUL parameter comprises different preamble sequences allocated by the access network entity for different UEs, wherein different preamble sequences indicate uplink transmissions of different UEs.
  • the GUL parameter comprises different preamble sequences allocated by the access network entity to the same UE, for indicating different uplink transmission information.
  • the method according to B20 or B21 further comprising: determining, by the UE, whether the uplink transmission of the UE and other UEs collides according to a preamble sequence used by other UEs in the current GUL subframe; the UE is determining When the uplink transmission of other UEs collides, the physical uplink shared channel PUSCH transmission is stopped.
  • An access network entity including: a processor, a transceiver, and a memory, where
  • the processor is configured to: implement, by using an instruction stored in the memory, to configure, for a user equipment UE, an uplink transmission GUL parameter based on UE autonomous scheduling, where the GUL parameter includes at least a location of one or more subframes supporting GUL Information, and one or more uplink transmission start location information within each subframe; and providing the GUL parameter to the UE by the transceiver.
  • the access network entity wherein the uplink transmission start position of the UE in different GUL subframes is based on at least a frame number, a subframe number, a UE identification code, and a temporary identifier of a cell wireless network. An adjustment.
  • the access network entity as described in C26 wherein the configuring, by the processor, the GUL parameter for the UE includes: configuring, by the multiple UEs, the same uplink transmission start position in the same GUL subframe, and The plurality of UEs are orthogonal to each other in the same GUL subframe and/or the codeword resources are orthogonal to each other.
  • the access network entity as described in C26 wherein the configuring the GUL parameter for the UE by the processor includes: configuring different uplink transmission start positions in the same GUL subframe for each group of UEs, each group Multiple UEs in the UE configure different frequency resources and/or codeword resources in different GUL subframes.
  • the access network entity as described in C23 wherein the processor is further configured to: acquire a preamble signal and/or a reserved signal that is transmitted by the UE after the uplink transmission start position; according to the preamble The signal and/or the reservation signal determines an uplink transmission arrival and a transmission start location of the UE, wherein the preamble signal includes a preamble sequence.
  • the access network entity as described in C30 wherein the configuring, by the processor, the GUL parameter for the UE includes: assigning different preamble sequences to different UEs, where different preamble sequences indicate uplink transmissions of different UEs; Alternatively, the configuring, by the processor, the GUL parameter for the UE includes: assigning different preamble sequences to the same UE, and indicating different uplink transmission information.
  • the access network entity as described in C31 wherein the processor is further configured to: blindly check a preamble sequence sent by a UE in a current subframe; determine, according to the preamble sequence, an uplink transmission arrival location of the UE and starting point.
  • a user equipment comprising: a processor and a memory, where the processor is configured to: implement, by executing, the instruction stored in the memory, to acquire an uplink transmission GUL parameter based on UE autonomous scheduling provided by an access network entity.
  • the GUL parameter includes at least location information of one or more subframes supporting the GUL, and one or more uplink transmission start locations within each subframe; determining a GUL uplink transmission start location according to the GUL parameter.
  • D35 The UE according to D34, wherein the GUL parameter includes different uplink transmission start location information of the UE in different GUL subframes.
  • the UE according to D35 wherein the processor is further configured to: adjust, according to at least one of a frame number, a subframe number, a UE identifier, and a cell radio network temporary identifier, in different GUL subframes. Uplink transmission start position.
  • the GUL parameter further comprises a GUL frequency resource and/or a codeword resource.
  • the UE according to D37 wherein the GUL parameter includes the same uplink transmission start location information of multiple UEs in the same GUL subframe, and the multiple UEs are in the same GUL subframe.
  • the frequency resources and / codeword resources are orthogonal to each other.
  • the UE according to D37 wherein the GUL parameter includes different uplink transmission start positions of multiple groups of UEs in the same GUL subframe, and multiple UEs in each group of UEs are in the same GUL sub-port.
  • the intra frequency resources are orthogonal to each other and/or the codeword resources are orthogonal to each other.
  • the GUL parameter comprises different frequency resources and/or codeword resources of the UE in different GUL subframes.
  • the processor is further configured to: transmit a preamble signal and/or a reserved signal after the uplink transmission start position, wherein the preamble signal comprises a preamble sequence.
  • the GUL parameter comprises different preamble sequences allocated by the access network entity for different UEs, wherein different preamble sequences indicate uplink transmissions of different UEs.
  • D43 The UE according to D41, wherein the GUL parameter includes different preamble sequences allocated by the access network entity to the same UE, and is used to indicate different uplink transmission information.
  • the UE according to D42 or D43 wherein the processor is further configured to: determine, according to a preamble sequence used by other UEs in the current GUL subframe, whether the uplink transmission of the UE and other UEs collides; In the event of a collision with other UEs, the physical uplink shared channel PUSCH transmission of the UE is stopped.
  • a computer readable storage medium having stored thereon instructions for implementing the steps of the method of any of claims B13-B22.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de configuration d'une position de départ de transmission de liaison montante, une entité de réseau d'accès et un équipement utilisateur (UE). Le procédé comprend les étapes suivantes : une entité de réseau d'accès configure, pour un UE, des paramètres GUL de transmission de liaison montante basés sur une planification autonome d'UE, les paramètres GUL comprenant au moins des informations de position d'une ou de plusieurs sous-trames prenant en charge une GUL et des informations de position de départ d'une ou de plusieurs transmissions de liaison montante dans chaque sous-trame ; et l'entité de réseau d'accès fournit le paramètre GUL à l'UE.
PCT/CN2018/071331 2017-01-10 2018-01-04 Procédé de configuration d'une position de départ de transmission de liaison montante, entité de réseau d'accès et équipement utilisateur WO2018130111A1 (fr)

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