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WO2006015555A1 - Procede permettant d'informer un utilisateur d'un equipement radio au sujet de parametres de configuration d'un service de diffusion/multi-diffusion multimedia - Google Patents

Procede permettant d'informer un utilisateur d'un equipement radio au sujet de parametres de configuration d'un service de diffusion/multi-diffusion multimedia Download PDF

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Publication number
WO2006015555A1
WO2006015555A1 PCT/CN2005/001253 CN2005001253W WO2006015555A1 WO 2006015555 A1 WO2006015555 A1 WO 2006015555A1 CN 2005001253 W CN2005001253 W CN 2005001253W WO 2006015555 A1 WO2006015555 A1 WO 2006015555A1
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WO
WIPO (PCT)
Prior art keywords
configuration parameter
mbms service
occurrence
information
channel
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PCT/CN2005/001253
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English (en)
Chinese (zh)
Inventor
Hao Hu
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2006015555A1 publication Critical patent/WO2006015555A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection

Definitions

  • the present invention relates to a multimedia broadcast/multicast service (MBMS) implementation technique, and more particularly to a method for notifying MBMS service radio bearer (RB) configuration parameters.
  • MBMS multimedia broadcast/multicast service
  • RB radio bearer
  • Multicast and broadcast are technologies that transfer data from one data source to multiple destinations.
  • a cell broadcast service (CBS: Cell Broadcast Service) allows low-bit rate data to be transmitted to all users through a cell shared broadcast channel, which belongs to a message type service.
  • CBS Cell Broadcast Service
  • MBMS multicast and broadcast services
  • 3GPP proposes multicast and broadcast services (MBMS), which provides a point-to-multipoint service in which data sources send data to multiple users in a mobile network, realizing network resources. Sharing, improve the utilization of network resources, especially the air interface resources.
  • MBMS defined by 3GPP can not only achieve low-speed message-like multicast and broadcast in pure text, but also realize multicast and broadcast of high-speed multimedia services, which undoubtedly conforms to the trend of future mobile data development.
  • the structural model of the MBMS business system is shown in Figure 1.
  • a mobile network function entity has been added.
  • the broadcast multicast service center BM-SC is a content provider.
  • the entry for authorizing and initiating the MBMS bearer service in the mobile network, and transmitting the MBMS content according to a predetermined time schedule.
  • UE User Equipment
  • UTRAN Universal Terrestrial Radio Access Network
  • GRAN GSM EDGE Radio Access Network
  • GRAN GSM EDGE Radio Access Network
  • Serving GPRS Serving GPRS
  • SGSN Serving GPRS Support Node
  • GGSN Gateway GPRS Support Node
  • MBMS includes multicast mode and broadcast mode.
  • the multicast mode requires the user to subscribe to the corresponding multicast group, perform service activation, and generate corresponding accounting information. Because the multicast and broadcast modes differ in business requirements, their business processes are different.
  • the MBMS service has two modes when transmitting between UTRAN and UE: Point-to-Multipoint (PTM) mode and Point-to-Point (PTP) mode.
  • PTM Point-to-Multipoint
  • PTP Point-to-Point
  • the PTM mode transmits the same data through the MBMS point-to-multipoint traffic channel (MTCH) logical channel, and all UEs that join the multicast service or are interested in the broadcast service can receive the PTP mode through the dedicated mode.
  • MTCH point-to-multipoint traffic channel
  • DTCH Dedicated Channel
  • User subscription Establish a connection between the user and the service provider;
  • Service announcement informs the user of the relevant information of the MBMS service
  • join (joining) The user informs the network to prepare to receive the MBMS service
  • Session Start (Session Start): BM-SC is ready to send data
  • MBMS Notification RNC informs the user of MBMS multicast data transmission
  • Session Stop The BM-SC is not ready to send data, and the bearer resources can be released.
  • the two steps of user join and session start are independent, that is, a user may join a multicast service before the session starts or during the session after the session starts.
  • the MBMS Point-to-Multipoint Control Channel is a channel for transmitting MBMS control information.
  • the contents include at least: MBMS SERVICE INFORMATION, MBMS RADIO BEARER INFORMATION, MBMS NEIGHBORING CELL INFORMATION, and the like.
  • the RNC informs the user that the radio bearer configuration parameter and the radio bearer configuration parameter change are notified to the user when receiving the MBMS service.
  • the UTRAN After receiving the Session Start indication from a certain MBMS service of the CN, the UTRAN performs a User Counting process as needed.
  • the UTRAN determines whether to adopt the PTM bearer mode or the PTP bearer mode.
  • the UTRAN configures the radio bearer configuration parameters related to the service and updates the corresponding information on the MCCH: MBMS SERVICE INFORMATION and MBMS RADIO BEARER INFORMATION, and updates the MBMS service identifier (MBMS) in the information.
  • MBMS MBMS service identifier
  • Discontinuous Reception (DRX) wakeu State UE and CELL-FACH in idle state, CELL-PCH and URA-PCH read MBMS Notification (MBMS Notification, MBMS NI), if MBMS NI is detected, read MCCH at preset time to obtain RB Configure MBMS service control information for parameter information.
  • DRX Discontinuous Reception
  • the UE may receive the MBMS service by using the RB configuration parameter information indicated on the MCCH.
  • the UTRAN will use the traditional paging mechanism to notify the UE in the CELL-PCH state to perform cell update, or notify the UE in the Idle state to establish an RRC connection, and further UTRAN through an RRC procedure such as an RB setup procedure. Establish a PTP RB.
  • the UE establishes a PTP RB bearer by using an RRC procedure selected by the UTRAN.
  • the MBMS SERVICE INFORMATION on the MCCH informs the MBMS service control information associated with the user who newly joined or just entered the cell.
  • the RB configuration parameter information of the service needs to be notified by the MCCH.
  • the protocol specifies a large number of RB configuration parameter information to be transmitted, such as: information of physical channels of each logical channel, frequency information, activation time information for enabling the configuration, core network (CN) information, and some default information.
  • RB configuration parameter information such as: information of physical channels of each logical channel, frequency information, activation time information for enabling the configuration, core network (CN) information, and some default information.
  • the amount of information of the RB configuration parameter information that needs to be transmitted on the MCCH channel is relatively large, so that it has a very serious resource occupation for the MCCH with limited capacity.
  • the existing protocol even if several MBMS services use a combination of configuration parameters, they must be sent multiple times, which is a waste of MCCH resources and air interface resources.
  • the MCCH is the only control information channel for all MBMS services, so there is a lot of control information to be carried. If you can reduce the configuration parameters that need to be transmitted on the MCCH, The amount of information, then it will be very beneficial to reduce the data reception error caused by the transmission configuration parameter error, and also reduce the amount of information transmitted by the air interface. Summary of the invention
  • the main object of the present invention is to provide a plurality of methods for notifying MBMS Service Radio Bearer (RB) configuration parameters to effectively reduce the amount of information transmitted on the MCCH channel.
  • RB Radio Bearer
  • the MBMS service is very rich, its Quality of Service (QoS) type is relatively small. From the current R6 agreement, in terms of the big aspect, there are only two types of services, streaming and background.
  • the transport channel used in the actual transmission of the MBMS service FACH
  • physical channel The number of Secondary Common Control Physical Channel (SCCPCH) is also limited, which can be said to be actually available.
  • the RB configuration parameter combination is relatively small compared to the rich MBMS service.
  • the present invention provides the following four methods for notifying the MBMS service radio bearer configuration parameters:
  • the first method for notifying the MBMS service radio bearer configuration parameter provided by the present invention is to set a corresponding identifier for each RB configuration parameter combination information for the MBMS service; the method further includes the following steps:
  • the user equipment UE with the MBMS service function obtains the configuration parameter combination information and the corresponding identifier from the BCH; and receives the identifier of the configuration parameter combination used by the current MBMS service from the MCCH, or receives through the Paging or DCCH dedicated channel.
  • the identifier of the configuration parameter combination used by the current MBMS service, and the RB configuration parameter used by the current MBMS service is obtained according to the configuration parameter combination information corresponding to the identifier in the BCH.
  • the neighboring cell RB configuration parameter in the MCCH channel is used. Only the identification information corresponding to the configuration parameter in the local cell is broadcasted. Otherwise, the configuration parameter combination information used by the neighboring cell for the MBMS service is broadcasted in the neighboring cell RB configuration parameter in the MCCH channel.
  • the BCH uses the SIB type newly defined by the network side to broadcast configuration parameter combination information for the MBMS service.
  • the new SIB type has multiple occurrences, and each occurrence corresponds to a combination of configuration parameters, and the corresponding corresponding to the occurrence is broadcasted in the BCH.
  • the MCCH channel only needs to broadcast the occurrence id identifier corresponding to the selected configuration parameter combination.
  • the UE obtains the occurrence id information corresponding to the current MBMS service from the MCCH channel, and combines the configuration parameter combination information corresponding to the occurrence id in the broadcast channel to obtain the configuration parameter used by the current MBMS service.
  • the BCH broadcasts the configuration parameter combination information for the MBMS service by using an SIB type in the existing protocol; and each of the SIB types corresponds to a configuration parameter combination, and the occurrence ratio is broadcasted in the broadcast channel.
  • the UE obtains the occurrence id information corresponding to the current MBMS service from the MCCH channel, and combines the configuration parameter combination information corresponding to the occurrence id in the broadcast channel to obtain the configuration parameter used by the current MBMS service.
  • SIB16 The SIB type in the existing protocol is SIB16.
  • the configuration parameter combination used by the same MBMS service of the neighboring cell is one of the current multiple MBMS service configuration parameter combinations of the current cell
  • the configuration parameter combination is simultaneously broadcasted in the MCCH channel.
  • the corresponding occurrence id information of the local cell otherwise, the configuration parameter combination information used by the neighboring cell for the MBMS service is broadcasted in the MCCH channel.
  • the period of each occurrence is predetermined by the RRC based on the frequency of use of the combination of configuration parameters used by the various MBMS services broadcast on the current broadcast channel.
  • the network side When the RB configuration parameter of the current MBMS service is changed, and the changed RB configuration parameter has been set with the corresponding occurrence id, the network side will notify the UE through the MCCH channel by the occurrence id corresponding to the changed configuration information, and the UE receives the MCCH channel. After the notification information, the modified configuration parameters used by the MBMS service are obtained according to the configuration parameter combination information corresponding to the identifier in the BCH.
  • the network side sets the corresponding occurrence id for the RB configuration parameter combination, and modifies the corresponding configuration information on the broadcast channel.
  • the RB configuration parameter combination setting and the corresponding occurrence id are sent to the UE in the BCH; and the occurrence id corresponding to the changed configuration information is notified to the UE through the MCCH channel;
  • the UE After receiving the notification information of the MCCH channel, the UE receives the configuration parameter combination information corresponding to the occurrence id in the broadcast channel, and obtains the modified configuration parameter used by the MBMS service.
  • the parameter combination adopts an occurrence id corresponding to the change; the corresponding configuration information on the broadcast channel is modified, and the new RB configuration parameter combination information corresponding to the occurrence id is sent to the UE in the BCH;
  • the UE After receiving the notification information of the MCCH channel, the UE receives the configuration parameter combination information corresponding to the occurrence in the broadcast channel, and obtains the modified configuration parameter used by the MBMS service.
  • the RRC will notify the UE of the occurrence id corresponding to the changed configuration parameter information through the Paging or DCCH dedicated channel.
  • the RRC notifies the UE of the occurrence id corresponding to the changed configuration parameter information through the Paging or DCCH dedicated channel; and simultaneously modifies the corresponding configuration parameter information on the broadcast channel; After the notification information is received, the configuration parameter information corresponding to the occurrence id in the broadcast channel is received again, and the modified configuration parameter used by the MBMS service is obtained.
  • the MCCH channel sends the changed configuration parameters to the UE, and the UE directly receives the changed configuration parameters from the MCCH channel.
  • the network side further sets the corresponding oc ence id for the RB configuration parameter combination, and modifies the corresponding configuration information on the crowded channel, and the RB is modified.
  • the configuration parameter combination information and the corresponding occurrence id are sent to the UE on the BCH.
  • the second method for notifying the MBMS service radio bearer configuration parameter provided by the present invention the RB common configuration parameter for the MBMS service is configured as a default configuration in the protocol, and is a RB non-public configuration parameter for the MBMS service.
  • the combined information sets the corresponding identifier; the method further includes the following steps:
  • the UE with the MBMS service function obtains the non-common configuration parameter combination information and the corresponding identifier from the BCH; and receives the identifier of the configuration parameter combination used by the current MBMS service from the MCCH, or receives through the Paging or DCCH dedicated channel.
  • the RB configuration parameter used by the current MBMS service is obtained according to the non-common configuration parameter combination information corresponding to the identifier in the BCH.
  • the neighboring cell in the MCCH channel The RB configuration parameter only broadcasts the identification information corresponding to the non-common configuration parameter in the local cell. Otherwise, the neighboring cell RB configuration parameter in the MCCH channel is used to broadcast the non-public configuration parameter group of the neighboring cell for the MBMS service.
  • the BCH broadcasts the non-public configuration parameter combination information for the MBMS service by using the newly defined SIB type on the network side;
  • the new SIB type has multiple occurrences, and each occurrence corresponds to a non-public configuration parameter combination, and is broadcast in the BCH.
  • the MCCH channel only needs to broadcast the occurrence id identifier corresponding to the selected non-public configuration parameter combination
  • the UE obtains the occurrence id information corresponding to the current MBMS service from the MCCH channel, and according to the non-public allocation corresponding to the occurrence id in the broadcast channel.
  • the parameter combination information is combined with the common configuration parameters that are solidified in the protocol to obtain the complete configuration parameters used by the current MBMS service.
  • the BCH broadcasts non-public configuration parameter combination information for the MBMS service by using one of the existing SIB types; and causes each occurrence of the non-common configuration parameter in the SIB type to be combined in the broadcast channel. Broadcast the occurrence id identifier corresponding to the occurrence;
  • the UE obtains the occurrence id information corresponding to the current MBMS service from the MCCH channel, and combines the non-public configuration parameter combination information corresponding to the occurrence id in the broadcast channel, and combines the common configuration parameters in the protocol to obtain the current MBMS.
  • SIB16 The SIB type in the existing protocol is SIB16.
  • the UE traverses the neighboring cell from the local cell, if the non-common configuration parameter combination used by the same MBMS service of the neighboring cell is one of the current multiple non-common configuration parameter combinations of the MBMS service, the UE simultaneously broadcasts the MCCH channel.
  • the non-common configuration parameter combines the corresponding oc identification of the occurrence id in the local cell. Otherwise, the non-common configuration parameter combination information of the neighboring cell for the MBMS service is broadcasted in the MCCH channel.
  • the period of each occurrence is predetermined by the RRC based on the frequency of use of the non-common configuration parameter combination used by the various MBMS services broadcast on the current broadcast channel.
  • the network side When the RB non-common configuration parameter of the current MBMS service is changed, and the changed RB non-public configuration parameter has the corresponding occurrence id, the network side will notify the UE of the occurrence id corresponding to the non-public configuration information that changes. After receiving the notification information of the MCCH channel, the UE obtains the modified non-public configuration parameter used by the MBMS service according to the non-public configuration parameter combination information corresponding to the identifier in the BCH.
  • the network side sets the corresponding oc ence id for the RB non-common configuration parameter combination, and changes the broadcast channel.
  • the RB non-common configuration parameter combination setting and the corresponding occurrence id are sent to the UE in the BCH; and the occurrence id corresponding to the changed non-public configuration information is notified to the UE through the MCCH channel;
  • the UE After receiving the notification information of the MCCH channel, the UE receives the non-public configuration parameter combination information corresponding to the occurrence id in the broadcast channel, and obtains the modified non-public configuration parameter used by the MBMS service.
  • the RB non-common configuration parameter combination uses the occurrence id corresponding to the change; the corresponding configuration information on the broadcast channel is modified, and the new RB non-common configuration parameter combination information corresponding to the occurrence id is sent to the UE in the BCH;
  • the UE After receiving the notification information of the MCCH channel, the UE receives the non-public configuration parameter combination information corresponding to the occurrence id in the broadcast channel again, and obtains the modified configuration parameter used by the MBMS service.
  • the RRC When the configuration parameter of the current MBMS service is changed, and the changed RB non-public configuration parameter has the corresponding occurrence id, the RRC will notify the UE of the occurrence id corresponding to the non-public configuration information that has changed through the Paging or DCCH dedicated channel; If the changed RB non-common configuration parameter combination is not set with the corresponding occurrence id, the
  • the MCCH channel sends a changed non-public configuration parameter to the UE, and the UE directly receives the changed non-public
  • the network further sets a corresponding oc ence id for the RB non-common configuration parameter combination, and modifies the corresponding non-distribution on the broadcast channel.
  • the public configuration information is sent to the UE in the BCH by using the RB non-common configuration parameter combination information and the corresponding occurrence id.
  • the third method for notifying the radio bearer configuration parameter of the MBMS service provided by the present invention includes:
  • the network side broadcasts the RB common configuration parameters of the MBMS service on the BCH periodically;
  • the network side After determining that the MBMS service is transmitted, the network side determines the configuration parameter of the MBMS service, and broadcasts the MBMS service to the UE in the MCCH; or sends the non-public configuration parameter used by the current MBMS service through the Paging or DCCH dedicated channel;
  • the public configuration parameter obtained by the UE having the MBMS service function from the BCH is used to receive the current MBMS service from the MCCH by using the non-public configuration parameter used for receiving the current MBMS service from the MCCH or using the Paging or DCCH dedicated channel.
  • the non-public configuration parameters are combined to obtain the RB configuration parameters used by the current MBMS service.
  • the method for informing the MBMS service radio bearer configuration parameter provided by the present invention includes: solidifying the RB common configuration parameter for the MBMS service as a default configuration in the protocol, the method further comprising the following steps:
  • the network side After determining the MBMS service, the network side determines the configuration parameters of the MBMS service, and broadcasts the non-public configuration parameters to the UE in the MCCH; or sends the non-public configuration parameters used by the current MBMS service through the Paging or DCCH dedicated channel. ;
  • the UE with the MBMS service function receives the current MBMS service from the MCCH.
  • the non-public configuration parameters used, or the non-public configuration parameters used by the current MBMS service are received through the Paging or DCCH dedicated channel, and combined with the RB common configuration parameters that are solidified in the protocol to obtain the RB configuration parameters used by the current MBMS service. .
  • the four methods for notifying the radio bearer configuration parameters of the MBMS service of the present invention are reduced by sending the identifier of the RB configuration parameter only on the MCCH channel, or sending the non-public RB configuration parameter information only in the MCCH.
  • the amount of information of the RB configuration parameters transmitted by the MCCH channel is advantageous for reducing RB configuration parameter transmission errors and resulting data reception errors.
  • Figure 1 is a schematic diagram showing the structure of an MBMS service system
  • FIG. 2 is a flowchart of transmitting RB configuration parameters in a first preferred embodiment of the present invention
  • FIG. 3 is a flowchart of transmitting RB configuration parameters in a second preferred embodiment of the present invention
  • FIG. 4 is a third preferred embodiment of the present invention.
  • FIG. 5 is a flowchart of transmitting RB configuration parameters in a fourth preferred embodiment of the present invention. Mode for carrying out the invention
  • the first method for notifying the MBMS service radio bearer configuration parameter is: setting a corresponding identifier for each RB configuration parameter combination information used for the MBMS service; the method further includes the following steps:
  • the user equipment UE with the MBMS service function obtains the configuration parameter combination information and the corresponding identifier from the BCH; and receives the identifier of the configuration parameter combination used by the current MBMS service from the MCCH, or receives through the Paging or DCCH dedicated channel.
  • the identifier of the configuration parameter combination used by the current MBMS service, and the RB configuration parameter used by the current MBMS service is obtained according to the configuration parameter combination information corresponding to the identifier in the BCH.
  • the first preferred embodiment of the present invention employs the first method of the present invention.
  • the network side sets a corresponding identifier for each RB configuration parameter combination information for the MBMS service in advance, and stores it in the UTRAN.
  • FIG. 2 is a flow chart of transmitting RB configuration parameters in a first preferred embodiment of the present invention. The process includes the following steps:
  • Step 200 The UTRAN periodically broadcasts RB configuration parameter combination information and corresponding identifiers for the MBMS service on the BCH channel. After receiving the RB configuration parameter combination information and the corresponding identifier, the UE records. The UE may update the recorded RB configuration parameter combination information and the corresponding identifier after receiving the information, or may update the recorded RB configuration parameter combination information and the corresponding identifier when the information changes.
  • the broadcast here is that the network side combines in advance according to possible RB configuration parameters, and sets corresponding identifiers for each combination.
  • some RB configuration parameters may change; when the RB configuration parameters themselves do not change, the combination of configuration parameters may also be reorganized.
  • the network side may also modify the changed RB configuration parameter in the RB configuration parameter combination, and may configure the RB for the modified parameter.
  • the parameter combination sets a new identifier, You can also keep the original logo, you need to notify the user when using the original logo;
  • the configuration parameters are reorganized.
  • the network side can set the corresponding identifier for the new RB configuration parameter combination, or use the original identifier.
  • the user needs to be notified to receive the new RB configuration parameter combination information corresponding to the identifier.
  • the configuration parameter combination information may include wireless configuration bearer information and/or transmission channel configuration information and/or physical channel configuration information.
  • the existing SIB type such as the SIB16
  • this method may affect the existing UEs without the MBMS function.
  • the network may also be in the network.
  • a new MBMS-specific SIB is added to the side, which is conveniently identified as SIBmbms for description.
  • the characteristics of this SIBmbms are the same as the existing SIB16, which uses multiple occurrence methods.
  • the occurrence is identified by an occurrence id, and each configuration parameter combination corresponds to an occurrence id, and the configuration parameter combination information used by any MBMS service of the cell can be read from an occurrence in the SIBmbms.
  • the period of each occurrence is determined in advance by the radio resource control entity (RRC) in the RNC in the UTi based on the frequency of use of the configuration parameter combination used by the various MBMS services broadcast on the current broadcast channel.
  • RRC radio resource control entity
  • Step 201 The UTRAN receives the MBMS session start indication sent by the core network, and performs step 202.
  • step 202 the user counting process is performed, and the radio bearer mode of the MBMS service is determined. If the MBMS service adopts the PTP bearer mode, step 203 is performed. If the MBMS service adopts the PTM bearer mode, step 204 is performed.
  • Step 203 Establish a PTP RB with the UE, and end the process.
  • Step 204 The RC selects a suitable configuration parameter combination information from the stored configuration parameter combination information, and finds a corresponding identifier.
  • the identifier in this embodiment may be an occurrence Ido
  • the RRC can select the appropriate configuration parameter combination information according to the parameters that need to be configured for the current MBMS service.
  • Step 205 Send an identifier corresponding to the R configuration parameter combination information on the MCCH channel. That is, only the occurrence id corresponding to the configuration parameter combination used by the MBMS service is broadcast in the MCCH.
  • Step 206 The UE receives the identifier, and obtains corresponding RB configuration parameter combination information according to the record received from the BCH, as the RB configuration parameter of the current MBMS service. In this step, the corresponding RB configuration parameter combination information can be found according to the occurrence id.
  • the UE can obtain the RB configuration parameter of the MBMS service by receiving the broadcast channel and the MCCH, and then can use the RB configuration according to the RB configuration parameter at the specified activation time, and receive the MBMS service when the service starts to be provided.
  • the UE if the UE crosses the neighboring cell from the local cell, if the configuration parameter combination used by the same MBMS service of the neighboring cell is one of the current multiple MBMS service configuration parameter combinations of the current cell, the UE simultaneously broadcasts in the MCCH channel.
  • the configuration parameter combines the identification information corresponding to the current cell, otherwise, the configuration parameter combination information used by the neighboring cell for the MBMS service is broadcasted in the MCCH channel.
  • the SIB type is used, and if the neighboring cell uses one of the configuration modes of the cell, the MBMS NEIGHBORING CELL is used.
  • PTM RB INFORMATION only the relationship id information corresponding to the configuration mode is broadcast, instead of all the configuration parameters. If the neighboring cell uses a configuration different from the local cell, all the configuration parameters are broadcast in the MBMS NEIGHBORING CELL PTM RB INFORMATION. information. If the neighboring cell uses the same identification information for the same configuration, no repeat broadcast is required in the MCCH channel.
  • the network side may change the MBMS.
  • RB configuration parameters of the service If the R configuration parameter group used by the current MBMS service changes, and the changed RB configuration parameter has the corresponding occurrence id, the network side will notify the UE through the MCCH channel, and the UE will receive the corresponding occurrence id. After the notification information of the MCCH channel is obtained, the modified configuration parameter used by the MBMS service is obtained according to the configuration parameter combination information corresponding to the identifier in the BCH.
  • the network side first sets the corresponding occurrence id for the RB configuration parameter combination, modifies the corresponding configuration information on the broadcast channel, and combines the RB configuration parameters.
  • the information and the corresponding occurrence id are sent to the UE in the BCH; and the occurrence id corresponding to the changed configuration information is notified to the UE through the MCCH channel;
  • the UE After receiving the notification information of the MCCH channel, the UE receives the configuration parameter combination information corresponding to the occurrence id in the broadcast channel again, and obtains the modified configuration parameter used by the MBMS service.
  • the network side can directly send the changed configuration parameters to the UE in the MBMS COMMON PTM RB INFORMATIO and MBMS CURRENT CELL PTM RB INFOUMATION of the MCCH channel.
  • the UE does not need to re-receive the corresponding information on the BCH, and can directly receive the changed configuration parameters from the MCCH channel.
  • This method is suitable for situations where the RB configuration parameters change less.
  • the network side may further set a corresponding occurrence id for the RB configuration parameter combination, modify the corresponding configuration information on the broadcast channel, and configure the RB.
  • the parameter combination setting and the corresponding occurrence id are sent to the UE on the BCH.
  • the RB configuration parameter of the current MBMS service changes, and the changed RB configuration parameter combination adopts the corresponding ocence id before the change; then the corresponding allocation on the broadcast channel is modified.
  • the UE After receiving the notification information of the MCCH channel, the UE receives the configuration parameter combination information corresponding to the occurrence id in the broadcast channel again, and obtains the modified configuration parameter used by the MBMS service.
  • the RRC will notify the UE of the occurrence id corresponding to the changed configuration parameter information through the Paging or DCCH dedicated channel.
  • the RRC notifies the UE of the occurrence id corresponding to the changed configuration parameter information through the Paging or DCCH dedicated channel; and simultaneously modifies the corresponding configuration parameter information on the broadcast channel; After the notification information is received, the configuration parameter information corresponding to the occurrence id in the broadcast channel is received again, and the modified configuration parameter used by the MBMS service is obtained.
  • the network side also sends configuration parameter combination information and its corresponding identifier on the BCH channel, and sends the identifier through the Paging or DCCH channel.
  • the UE receives the identifier through the Paging or DCCH channel, and obtains configuration parameters used by the MBMS service according to the information received from the BCH channel.
  • the second method for notifying the MBMS service radio bearer configuration parameter of the present invention is: solidifying the RB common configuration parameter for the MBMS service as a default configuration in the protocol, and is a variety of RB non-public configuration parameters for the MBMS service.
  • the combined information sets the corresponding identifier; the method further includes the following steps:
  • B After the network side determines to transmit the MBMS service, select a non-common configuration parameter combination, and broadcast the corresponding identifier of the selected non-public configuration parameter combination in the MBMS control channel MCCH; or send the UE to the UE through the Paging or DCCH dedicated channel.
  • the UE with the MBMS service function obtains the non-common configuration parameter combination information and the corresponding identifier from the BCH; and receives the identifier of the configuration parameter combination used by the current MBMS service from the MCCH, or receives through the Paging or DCCH dedicated channel.
  • the RB configuration parameter used by the current MBMS service is obtained according to the non-common configuration parameter combination information corresponding to the identifier in the BCH.
  • the second preferred embodiment of the present invention employs the second method of the present invention.
  • the RB common configuration parameter for the MBMS service is configured as a default configuration in the protocol, and the RB common configuration parameters of the MBMS service may be stored in advance on the network side and the UE, and are various RBs for the MBMS service.
  • the non-public configuration parameter combination information sets the corresponding identifier.
  • Which configuration parameters are RB common configuration parameters, which are RB non-public configuration parameters, are determined by the system, for example: The system determines that all MBMS services have the same CN information, the same frequency information is used, and of course some default information is The same, then the CN information, frequency information, and default information can be determined as RB common configuration parameters, and other configuration parameters can be RB non-public configuration parameters. These cured RB configuration parameters can also be changed through the entire reconfiguration process of the network.
  • FIG. 3 is a flow chart of transmitting RB configuration parameters in a second preferred embodiment of the present invention. The process includes the following steps:
  • Step 300 The UTRAN periodically broadcasts RB non-common configuration parameter combination information and corresponding identifiers for the MBMS service on the BCH channel. After receiving the RB configuration parameter combination information and the corresponding identifier, the UE records. The UE can update the record every time the information is received. The RB configuration parameter combination information and the corresponding identifier may also update the recorded RB configuration parameter combination information and the corresponding identifier when the information changes.
  • This step is basically the same as the step 200 in the first preferred embodiment, except that the broadcast is not all RB configuration parameter combination information and the corresponding identifier, but the RB non-common configuration parameter combination information and the corresponding identifier.
  • the existing SIB type such as the SIB16
  • the newly added SIB type may be used, and the specific method and the first preferred method are used. The embodiment is the same and will not be repeated here.
  • Step 301 The UTRAN receives the MBMS session start indication sent by the core network, and performs step 302.
  • Step 302 Perform a user counting process, and determine a radio bearer mode of the MBMS service. If the MBMS service adopts the PTP bearer mode, step 303 is performed. If the MBMS service adopts the PTM bearer mode, step 304 is performed.
  • Step 303 Establish a PTP RB with the UE, and end the process.
  • Step 304 The RRC selects a suitable configuration parameter combination information from the stored non-public configuration parameter combination information, and finds a corresponding identifier.
  • the identifier in this embodiment may be an occurrence id.
  • the RRC may select suitable configuration parameter combination information according to parameters that need to be configured for the current MBMS service.
  • Step 305 Send an identifier corresponding to the RB non-common configuration parameter combination information on the MCCH channel. That is, only the occurrence id corresponding to the non-public configuration parameter combination used by the MBMS service is broadcast in the MCCH.
  • Step 306 The UE receives the identifier, and obtains the corresponding RB non-common configuration parameter combination information according to the record received from the BCH, and combines it with the public configuration parameter that is solidified in the protocol, as the RB configuration parameter of the current MBMS service. In this step, the corresponding RB configuration parameter combination information can be found according to the occurrence id. Applying the foregoing steps, the UE can obtain the RB configuration parameter of the MBMS service by receiving the broadcast channel and the MCCH, and then can use the RB configuration according to the RB configuration parameter at the specified activation time, and receive the MBMS service when the service starts to be provided.
  • the UE crosses the neighboring cell from the local cell, if the non-common configuration parameter combination used by the same MBMS service of the neighboring cell is the current multiple MBMS services of the cell are not public. If one of the configuration parameter combinations is used, the non-common configuration parameter combination in the MCCH channel is simultaneously broadcasted, and the non-common configuration parameter combination information of the neighboring cell for the MBMS service is broadcasted in the MCCH channel. If the BCH broadcasts the MBMS configuration, the SIB type is used.
  • the MBMS neighbor information (MBMS NEIGHBORING CELL PTM RB)
  • the information in the INFORMATION broadcast corresponds to the context id information of the corresponding configuration mode, instead of all the configuration parameters. If the neighboring cell uses a configuration different from the local cell, all the configuration parameter information is broadcast in the MBMS NEIGHBORING CELL PTM RB INFORMATION. If the neighboring cell uses the same identification information for the same configuration, no repeated broadcast is required in the MCCH channel.
  • the network side may change the RB configuration parameters of the MBMS service. If the non-public RB configuration parameter group used by the current MBMS service is changed, and the changed RB non-common configuration parameter combination information has been set with the corresponding occurrence id, the occurrence id corresponding to the non-public configuration information that changes on the network side is passed.
  • the MCCH channel informs the UE that after receiving the notification information of the MCCH channel, the UE obtains the modified non-public configuration parameter used by the MBMS service according to the non-public configuration parameter combination information corresponding to the identifier in the BCH.
  • the network side first sets the corresponding occurrence id for the RB non-common configuration parameter combination, and modifies the corresponding configuration information on the broadcast channel, and the RJB non-public configuration parameter combination information and the corresponding occurrence id are in the BCH to the UE. Transmitting; and notifying the UE through the MCCH channel by the occurrence id corresponding to the changed non-public configuration information;
  • the UE After receiving the notification information of the MCCH channel, the UE receives the non-public configuration parameter combination information corresponding to the occurrence id in the broadcast channel, and obtains the modified non-public configuration parameter used by the MBMS service.
  • the network side can directly send the changed non-public configuration parameters to the UE in the MBMS COMMON PTM RB INFORMATION and the MBMS CURRENT CELL PTM RB INFOUMATION of the MCCH channel.
  • the UE does not need to re-receive the corresponding information on the BCH, and can directly receive the changed non-public configuration parameters from the MCCH channel.
  • This approach is suitable for situations where the RB non-common configuration parameters change less.
  • the network side may further set a corresponding occurrence id for the RB non-common configuration parameter combination, and modify corresponding configuration information on the broadcast channel.
  • the RB non-common configuration parameter combination setting and the corresponding occurrence id are sent to the UE in the BCH.
  • the RRC When the configuration parameter of the current MBMS service is changed, and the changed RB non-public configuration parameter has the corresponding occurrence id, the RRC will notify the UE of the occurrence id corresponding to the non-public configuration information that has changed through the Paging or DCCH dedicated channel; If the changed RB non-common configuration parameter combination does not set the corresponding occurrence id, the RRC will notify the UE of the occurrence id corresponding to the non-common configuration information that has changed through the Paging or DCCH dedicated channel; and modify the corresponding non-public configuration on the broadcast channel.
  • Parameter information After receiving the notification information, the UE receives the non-public configuration parameter information corresponding to the occurrence id in the broadcast channel, and obtains the modified configuration parameter used by the MBMS service.
  • the third method for notifying the MBMS service radio bearer configuration parameter of the present invention includes: A.
  • the network side periodically broadcasts the RB common configuration parameter of the MBMS service on the BCH;
  • the network side After determining that the MBMS service is transmitted, the network side determines the configuration parameter of the MBMS service, and broadcasts the MBMS service to the UE in the MCCH; or sends the non-public configuration parameter used by the current MBMS service through the Paging or DCCH dedicated channel;
  • the non-common configuration parameters used are combined to obtain the RB configuration parameters used by the current MBMS service.
  • a third preferred embodiment of the present invention employs the third method of the present invention.
  • the configuration parameters are the RB common configuration parameters, and the determination methods of the RB non-common configuration parameters are the same as the second preferred embodiment, and are not repeated here.
  • FIG. 4 is a flow chart of transmitting RB configuration parameters in a third preferred embodiment of the present invention. The process includes the following steps:
  • Step 400 The UTRAN periodically broadcasts RB common configuration parameter information for the MBMS service on the BCH channel.
  • Step 401 The UTRAN receives the MBMS session start indication sent by the core network, and performs step 402.
  • Step 402 Perform a user counting process, and determine a radio bearer mode of the MBMS service. If the MBMS service adopts the PTP bearer mode, step 403 is performed; if the MBMS service adopts the PTM bearer mode, step 404 is performed.
  • Step 403 Establish a PTP RB with the UE, and end the process.
  • Step 405 Send the RB non-public configuration parameter information on the MCCH channel.
  • Step 406 The UE receives the RB non-common configuration parameter information, and combines it with the RB common configuration parameter information received from the BCH channel as the RB configuration parameter information of the current MBMS service.
  • the UE can obtain the complete RB configuration parameter of the MBMS service by receiving the broadcast channel and the MCCH, and then receiving the MBMS service at the specified activation time according to the R configuration parameter.
  • the fourth method for informing the MBMS service radio bearer configuration parameter is that the RB common configuration parameter for the MBMS service is used as a default configuration in the protocol, and the method further includes the following steps:
  • the network side After determining the MBMS service, the network side determines the configuration parameters of the MBMS service, and broadcasts the non-public configuration parameters to the UE in the MCCH; or sends the non-public configuration parameters used by the current MBMS service through the Paging or DCCH dedicated channel. ;
  • the UE with the MBMS service function receives the non-public configuration parameters used by the current MBMS service from the MCCH, or receives the non-public configuration parameters used by the current MBMS service through the Paging or DCCH dedicated channel, and solidifies it in the protocol.
  • the RB common configuration parameters are combined to obtain the RB configuration parameters used by the current MBMS service.
  • a fourth preferred embodiment of the present invention employs the fourth method of the present invention.
  • the RB common configuration parameter for the MBMS service is configured as a default configuration in the protocol, and the RB common configuration parameter of the MBMS service may be stored in advance on both the network side and the UE. These cured RB configuration parameters can also be changed through the entire reconfiguration process of the network.
  • FIG. 5 is a flowchart of transmitting RB configuration parameters in a fourth preferred embodiment of the present invention. The process includes the following steps:
  • Step 500 The UTRAN receives the MBMS session start indication sent by the core network, and performs step 501.
  • Step 501 Perform a user counting process, and determine a radio bearer mode of the MBMS service. If the current MBMS service adopts the PTP bearer mode, step 502 is performed; if the MBMS service adopts the PTM bearer mode, step 503 is performed.
  • Step 502 Establish a PTP RB with the UE, and end the process.
  • Step 503 The R C determines the RB configuration parameter information of the current MBMS service, and obtains the RB non-public configuration parameter information in the RB.
  • Step 504 Send the RB non-public configuration parameter information on the MCCH channel.
  • Step 505 The UE receives the RB non-public configuration parameter information, and combines it with the RB common configuration parameter information that is solidified in the protocol, as the RB configuration parameter information of the current MBMS service.
  • U can obtain the complete RB configuration parameter of the MBMS service by receiving the broadcast channel and the MCCH, and then receiving the MBMS service at the specified activation time according to the RB configuration parameter.
  • the four methods for notifying the radio bearer configuration parameters of the MBMS service of the present invention can reduce the information amount of the RB configuration parameters of the MCCH channel transmission, and are beneficial to reducing the RB configuration parameter transmission error and This causes data reception errors and saves air interface resources.

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Abstract

L'invention concerne quatre procédés permettant d'informer un utilisateur d'un équipement radio au sujet de paramètres de configuration d'un service de diffusion/multi-diffusion multimédia. Dans le premier procédé, le côté réseau transmet des informations de combinaisons de paramètres de combinaison RB et une identification correspondante à l'équipement d'utilisateur, et, lors de l'exécution d'un service MBMS, il peut transmettre l'identification à l'équipement d'utilisateur par l'intermédiaire de la voie de contrôle MBMS, l'équipement d'utilisateur pouvant ensuite obtenir les paramètres de configuration d'utilisateur d'équipement radio de service MBMS sur la base de ladite identification. Dans le deuxième procédé, des paramètres de configuration communs RB peuvent être fixés dans le protocole, et des paramètres de configuration non communs RB peuvent être transmis à l'aide dudit premier procédé. Dans le troisième procédé, des paramètres communs RB peuvent être transmis sur une voie de diffusion et des paramètres de configuration non communs RB peuvent être transmis sur une voie de contrôle MBMS. Dans le quatrième procédé, des paramètres communs RB peuvent être fixés dans le protocole et des paramètres de configuration non communs RB peuvent être transmis à l'équipement d'utilisateur sur une voie de contrôle MBMS. La présente invention permet de réduire les contenus d'informations de paramètres de configuration RB dans la transmission sur voie de contrôle MBMS et également le taux d'erreur de transmission de paramètres de configuration RB et les erreurs de réception de données résultantes.
PCT/CN2005/001253 2004-08-12 2005-08-12 Procede permettant d'informer un utilisateur d'un equipement radio au sujet de parametres de configuration d'un service de diffusion/multi-diffusion multimedia WO2006015555A1 (fr)

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