WO2007025464A1 - Methode et appareil pour renvoyer un point mbms a une requete d'etablissement de connexion par point - Google Patents

Methode et appareil pour renvoyer un point mbms a une requete d'etablissement de connexion par point Download PDF

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Publication number
WO2007025464A1
WO2007025464A1 PCT/CN2006/002188 CN2006002188W WO2007025464A1 WO 2007025464 A1 WO2007025464 A1 WO 2007025464A1 CN 2006002188 W CN2006002188 W CN 2006002188W WO 2007025464 A1 WO2007025464 A1 WO 2007025464A1
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WO
WIPO (PCT)
Prior art keywords
point
user
service
connection
request
Prior art date
Application number
PCT/CN2006/002188
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English (en)
Chinese (zh)
Inventor
Xiaoxiao Zheng
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.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to CNA200680013601XA priority Critical patent/CN101164281A/zh
Publication of WO2007025464A1 publication Critical patent/WO2007025464A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements

Definitions

  • the method in response to-point connection establishment request, and service reception method TECHNICAL FIELD
  • the present invention relates to a packet domain connection technology, other 1 j Laid-response method relates to point connection establishment request, the service reception method and apparatus.
  • IP Internet Protocol
  • IP Internet Protocol
  • broadcast The tube is called "IP" multicast and broadcast technology; however, there are some problems when porting these services to the mobile network: These multimedia services have large data volume, long duration, and delay sensitivity compared with general data. And other characteristics, and the mobile network has a specific network structure, functional entities and wireless interfaces, etc.
  • IP multicast and broadcast technologies are not directly applicable to mobile networks.
  • MBMS Multimedia Broadcast/Multicast Service
  • the MBMS service is in UTRAN (Universal Mobile)
  • Point-to-Multipoint PTM
  • Point-to-Point PTP
  • Point To Point The point-to-multipoint mode transmits the same data through the MBMS Point-to-Multipoint Traffic Channel (MTCH), and all UEs that join the multicast service or are interested in the broadcast service can receive it; Point-to-point mode sends data through the DTCH (Dedicated Traffic Channel) logical channel, only There is a corresponding UE that can receive it.
  • DTCH Dedicated Traffic Channel
  • MCCH MBMS Point to Multipoint Control Channel
  • Figure 1 shows the reference structure model of the MBMS system.
  • the reference model of the MBMS system has a new mobile network functional entity, namely the Broadcast-Multicast Service Center (BM-SC) 110, which is a content provider.
  • the entry of 120 is used to authorize and initiate an MBMS bearer service in the mobile network, and deliver the MBMS content according to a predetermined time schedule.
  • BM-SC Broadcast-Multicast Service Center
  • the entry of 120 is used to authorize and initiate an MBMS bearer service in the mobile network, and deliver the MBMS content according to a predetermined time schedule.
  • other related functional entities in the network are also enhanced, adding MBMS-related functions.
  • MBMS defined by 3GPP can not only realize plain text low-rate message class broadcasting and multicast, but also realize broadcast and multicast of high-speed multimedia services.
  • a service announcement notifying the user of the MBMS service related information
  • the session starts (Session Start)
  • the MBMS notification (Notification), ie, wireless
  • the network controller Radio Network Controller, referred to as "RNC”
  • RNC Radio Network Controller
  • step 310 the user subscribes (Subscription), thereby establishing a connection between the user and the service provider; in step 320: Service announcement (Service) Announcement), notifying the user of the relevant information of the MBMS service; in step 330: joining, that is, the user notifying the network that it is ready to receive the MBMS service; thereafter, in step 340: Session Start, the BM-SC is ready to send data; Step 350: MBMS Notification (MBMS Notification), that is, the RNC notifies the user of MBMS multicast data transmission.
  • the network side sends a modified service message to the UE.
  • MSI MBMS modified services information
  • the cartridge is called “MSI”
  • MSI MBMS modified services information
  • the network grant side sends the MSI through the MCCH or DCCH (Dedicated Control Channel) according to the state of the UE, in other words, in different states.
  • the UE responds to this process in different ways to get notifications.
  • the notification is obtained by receiving the MSI on the DCCH or the MCCH. If the UE is originally receiving the MBMS service, the MSI is notified by the MCCH. If the UE does not receive the MBMS service and does not listen to the MCCH, it receives the notification indication through the physical channel MICH (MBMS Instruction Channel), and then receives the MSI to obtain the notification by listening to the MCCH.
  • CELL-DCH CELL Dedicated CHannel
  • MICH MBMS Instruction Channel
  • step 360 data transmission process
  • step 370 session stop (Session Stop): BM-SC is not ready to send data
  • the bearer resource can be released
  • step 380 leaving The user is no longer a member of the MBMS multicast group.
  • the MSI indicates all the changed business information in the cell.
  • IE information elements
  • MBMS service requires UE operation (including obtaining count information, acquiring point-to-multipoint radio bearer information, requesting to establish peer-to-peer) Connection, etc.), MBMS service preferred frequency, continue to acquire MCCH, MBMS re-acquire MCCH, MBMS neighbor cell number, and so on.
  • USI Unmodified Services Information
  • the message on the MCCH channel is sent in a period of one modification period (MP, update period), and one MP includes several repetition periods (RP, repetition period:), and all RPs in one MP are sent.
  • the key message content is the same, where MSI is sent as key information at the beginning of each RP.
  • the user listens to the MCCH or DCCH through the discontinuous reception mechanism and receives the key MSI.
  • the user will continue to read other control messages in the MCCH, such as USI. Obtain the information of receiving the MBMS service, and receive the MBMS service through the MTCH.
  • both the MSI and the USI include a number of IEs, which inform the user of information and receiving methods of different services, and each of them has an IE "requires user operation, and is used to notify the user of the access method for receiving the service for each service.
  • IEs which inform the user of information and receiving methods of different services
  • each of them has an IE “requires user operation, and is used to notify the user of the access method for receiving the service for each service.
  • IE consists multiple options, such as "Get Count Information,”, “Get PTM Radio Bearer (PTM RB) Information", “Require PTP Radio Bearer”, and so on.
  • the "require PTP radio bearer” is used to notify the user that the service is transmitted in a point-to-point manner, and users in different states respond to this indication in different ways to establish a connection.
  • a user in an idle state will establish a process response through a Radio Resource Control (RRC) connection; a universal mobile communication system terrestrial radio access network registration area paging channel (UTRAN Registration Area Paging Channel, The user in the state called “URA-PCH” and the CELL Paging Channel (CELLJPCH) will respond through the cell update process; the user in the CELL-DCH state will manage the mobility by establishing the packet. (Packet Mobility Management, cartridge "PMM”) connection process response.
  • RRC Radio Resource Control
  • PMM Packet Mobility Management
  • the above solutions have the following problems: When a user in the CELL-DCH state receives an MBMS service or a packet service, the connection of the packet domain may be impossible, that is, the PMM connection, and at the same time, waste of resources and radio bearer are caused. The rebuild or reconfiguration process failed.
  • the PMM connection is the connection of the user packet domain, and the user needs to establish the connection of the packet domain by receiving the MBMS service through the PTP mode.
  • the PMM connection For the user in the CELL-DCH state, other MBMS services or packet services may have been received before receiving the MBMS service, that is, the user is already in the PMM connection state.
  • it is completely unnecessary to re-do the PMM connection, and it is also an impossible error process. It not only wastes resources for unnecessary signaling interaction but also increases the delay. At the same time, it may also cause RB reconstruction or heavy The configuration process failed.
  • the present invention provides a method, service receiving method and apparatus for responding to a point-to-point connection establishment request, so that errors are avoided in response, system resources are saved, and delay is reduced.
  • the invention provides a method for responding to an MBMS point-to-point connection establishment request, including: when a user in the "CELL_DCH” state receives a request to establish a point-to-point radio bearer to receive an MBMS service, if not in a packet domain connection state, The higher layer is notified to respond to the package mobility management connection process.
  • the user knows whether the point-to-point radio bearer needs to be established according to the information element "requires point-to-point radio bearer" in the MBMS modified service message or the uncorrected service message received from the dedicated control channel or the MBMS common control channel.
  • the user in the idle state establishes a connection through radio resource control upon receiving a request to establish a point-to-point radio bearer to receive the MBMS service.
  • the user in the "CELL-PCH” or "URA-PCH” state responds to the connection through the cell update procedure upon receiving a request to establish a point-to-point radio bearer to receive the MBMS service.
  • a method for responding to a point-to-point connection establishment request provided by the present invention includes:
  • the upper layer is notified to perform the packet mobility management connection.
  • the service reception initialization is completed by reconfiguring the existing point-to-point wireless bearer.
  • a method for service reception provided by the present invention includes:
  • the user in the cell-dedicated channel CELL-DCH state receives the request to establish a point-to-point
  • the upper layer is notified to perform the packet mobility management connection
  • the service reception is completed by reconfiguring the existing point-to-point radio bearer. initialization.
  • the request that the user receives the requirement to establish a point-to-point radio bearer to receive a service is specifically: receiving an MBMS modified service message or an unmodified service message from the dedicated control channel or the MBMS common control channel, where the message includes an information element. It is required to establish a point-to-point radio bearer, and the receiving of the service based on the packet mobility management connection is specifically for receiving the MBMS service.
  • the receiving the service based on the packet mobility management connection is specifically receiving the packet service.
  • the device provided by the present invention for responding to a point connection establishment request includes:
  • a message parsing unit configured to determine whether the user currently receives a request to establish a point-to-point radio bearer to receive a service
  • connection status determining unit configured to determine, when the message parsing unit determines that the user currently requests to establish a point-to-point radio bearer to receive a service, to determine a current connection state of a user currently in a “CELL-DCH” state;
  • the first response unit is configured to notify the upper layer to perform the package mobility management connection when the connection state determining unit determines that the user is not currently in the group domain connection state.
  • the device further includes: a second response unit, configured to reconfigure the existing point-to-point radio bearer when the connection state judging unit determines that the user is currently in the packet domain connection state, and complete MBMS service reception initialization.
  • the apparatus further includes: a third response unit, configured to establish a connection to the user in the idle state by using the radio resource control when the message parsing unit determines that the user currently receives the request to establish the point-to-point radio bearer to receive the MBMS service.
  • the apparatus further includes: a fourth response unit, configured to: when the message parsing unit determines that the user currently receives a request to establish a point-to-point radio bearer to receive an MBMS service, in a "CELL-PCH" or "URA-PCH" state The user responds to the connection through the cell update process.
  • a user equipment provided by the present invention includes:
  • a message parsing unit configured to determine whether the user currently receives a request to establish a point-to-point radio bearer to receive a service
  • connection status determining unit configured to determine, when the message parsing unit determines that the user currently requests to establish a point-to-point radio bearer to receive a service, to determine a current connection state of a user currently in a cell-dedicated channel CELL-DCH state;
  • the first response unit is configured to notify the upper layer to perform the package mobility management connection when the connection state determining unit determines that the user is not currently in the group domain connection state.
  • the method further includes: a second response unit, configured to reconfigure the existing point-to-point radio bearer when the connection state determining unit determines that the user is currently in the packet domain connection state, and complete service reception initialization.
  • a second response unit configured to reconfigure the existing point-to-point radio bearer when the connection state determining unit determines that the user is currently in the packet domain connection state, and complete service reception initialization.
  • the method further includes: a third response unit, configured to establish, by the message resolving unit, that the user currently receives a request to establish a point-to-point radio bearer to receive a service, and establish a connection by using a radio resource control for the user in an idle state.
  • a third response unit configured to establish, by the message resolving unit, that the user currently receives a request to establish a point-to-point radio bearer to receive a service, and establish a connection by using a radio resource control for the user in an idle state.
  • the method further includes: a fourth response unit, configured to: when the message parsing unit determines that the user currently requests to establish a point-to-point radio bearer to receive a service, to the cell paging channel CELL-PCH or universal mobile Communication system terrestrial radio access network registration area paging channel
  • the user in the U A-PCH state responds to the connection through the cell update procedure.
  • the user in the CELL_DCH state receives the request for establishing the PTP RB
  • the upper layer is required to establish a PMM connection to respond, and the CELL_DCH state is clarified.
  • the user's response method can avoid the error process not being implemented or the error in the RB reconfiguration process.
  • the reception of MBMS services or packet services can be successfully implemented.
  • the existing PTP RB reconfiguration by utilizing the existing packet domain connection, saves unnecessary signaling processes, saves resources and Reduced latency.
  • Figure 1 shows a reference structure model of a prior art MBMS system
  • FIG. 2 shows a complete flow of a user receiving a certain MBMS broadcast service in the prior art
  • FIG. 3 shows a complete flow of a user receiving a certain MBMS multicast service in the prior art
  • FIG. 4 is a response MBMS according to the first embodiment of the present invention.
  • Figure 5 is a flow diagram of a method for responding to an MBMS peer-to-peer connection setup request in accordance with a second embodiment of the present invention.
  • the principle of the present invention is that when a user in the "CELL_DCH,” state receives a request to establish a point-to-point radio bearer, it first determines whether the user is currently in a packet domain connection state.
  • the MBMS service receiving initialization process is completed by reconfiguring the existing PTP RBs, so that the user avoids errors in response, saves system resources and reduces delay; if the user is not currently in the state
  • the status of the packet domain connection is to establish a PMM connection in response to the "Require PTP RB" indication in the IE "Require User Operation” connection, or connect through the existing circuit switched (CS, Circuit Switch) domain.
  • the data path transports the PTP MBMS service.
  • step 410 the user listens to the DCCH or MCCH.
  • Users due to their different status Listening to different channels, for example, CELL-PCH, URA_PCH, and users in idle mode receive MSI or USI by listening to MCCH; users in "CELL-DCH” state use point-to-point service, occupying cell DCCH channel Therefore, the MSI or USI is received by listening to the DCCH or MCCH.
  • step 420 it is determined whether the user has received a request to establish a PTP RB.
  • a service such as voice service, general data service, fax service, or other MBMS service transmitted in PTP mode
  • the network side will use MSI in the MSI or USI to request user behavior. "Set as” requires PTP RB” and delivers the MSI or USI. Therefore, the user can determine whether the user receives the request to establish a PTP RB by listening to the DCCH or MCCH in step 410. If the user receives a request to establish a PTP RB, the process proceeds to step 430; otherwise, the process ends.
  • step 430 the status of the user is determined. Since the user in different states responds to the IE "Require PTP RB" indication in the MSI or USI in different ways, in this step, the status of the user is determined. If the user is in an idle state, proceed to step 460; if the user is in the "CELL-DCH” state, proceed to step 440; if the user is in the "CELL-PCH” or "UA-PCH” state, enter Step 470.
  • step 440 that is, the user in the "CELL_DCH” state determines whether the user is already in the packet domain connection state, that is, whether the user has established a PMM connection.
  • it is necessary to determine whether the user is already in the packet domain connection state because the user does not know whether the user has received other requests before receiving the request to establish a PTP RB.
  • the request for the PTP RB has responded to the request. That is to say, when receiving a request for establishing a PTP RB, the user does not know whether the voice service or other services transmitted in the PTP mode have been received. If the user has received voice services or other services transmitted in PTP mode, then the user has established a PMM connection and is in a packet domain connection state.
  • the determination of this step is to adopt different response methods for requesting the establishment of PTP RB according to the different connection status of the user packet domain, so as to avoid establishing a connection again for the user who has established the PMM connection, thereby saving system resources and reducing delay. At the same time, RB reconstruction or reconfiguration failure is also prevented.
  • step 480 If it is determined that the user is in the packet domain connection state, that is, the PMM connection has been established, the process proceeds to step 480, otherwise, the process proceeds to step 450.
  • step 450 the user requests to establish a PMM connection. Since the user has not established a PMM connection, this step will be entered, so there will be no error caused by repeated establishment of the PMM connection.
  • step 480 PTP RB reconfiguration is performed. Since the user has established a PMM connection, only the PTP RB needs to be reconfigured to complete the response to the IE "require PTP RB" indication without wasting resources for signaling interaction, reducing delay, and preventing RB rebuild or reconfiguration failed.
  • step 460 is entered to establish a connection via RRC.
  • step 3 If the current user status is judged to be "CELL-PCH” or "URA_PCH” in step 3, the process proceeds to step 470 to respond to the connection through the cell update procedure.
  • the user in the "CELL_DCH” state when the user in the "CELL_DCH” state receives the request for establishing the PTP RB, it checks whether the current connection state is in the packet domain, and then adopts different response methods according to the connection state of the packet domain, thereby avoiding the occurrence of errors. , saving system resources and reducing latency.
  • the established PMM connection or the original PTP RB can be used to receive the MBMS service.
  • the principle of the embodiment can also be applied to the receiving of the packet service by the user in the "CELLJDCH” state, that is, before the new packet service is received, the connection state is judged, if the packet domain connection state is not currently being performed, Then establish a PMM connection; if it is currently in the packet domain connection state, then "FTP RB reconfiguration.”
  • step 510 the user listens to the DCCH or MCCH.
  • step 520 it is determined whether the user has received a request to establish a PTPRB. If yes, proceed to step 530; otherwise, end the process.
  • step 530 the status of the user is determined. If the user is in the idle state, the process proceeds to step 560; if the user is in the "CELL_DCH,” state, the process proceeds to step 540; if the user is in the "CELL_PCH” or "URA_PCH,” state, the process proceeds to step 570. .
  • step 540 that is, for the user in the "CELL_DCH” state, it is determined whether the user is already in the packet domain connection state. If the user is in the packet domain connection state, that is, the PMM connection has been established, the process proceeds to step 580; otherwise, the process proceeds to step 550.
  • step 550 the MBMS service in the PTP mode is transmitted through the data path of the CS domain connection.
  • step 580 PTP RB reconfiguration is performed.
  • step 560 is entered to establish a connection via RRC.
  • step 570 is entered to respond to the connection through the cell update procedure.
  • the embodiment is basically the same as the first embodiment, except that when the user in the "CELLJDCH” state receives the request to establish the PTP RB and does not have the packet domain connection, the response method to the request is different, in the first
  • the user is in a packet domain connection state by establishing a PMM connection, thereby receiving the MBMS service.
  • the MBMS service in the PTP mode is transmitted through the data path connected by the CS domain. Therefore, the present embodiment can fully attain the effects of the first embodiment.
  • the present invention includes:
  • a message parsing unit configured to determine whether the user currently receives a request to establish a point-to-point radio bearer to receive a service
  • connection status determining unit configured to determine, when the message parsing unit determines that the user currently requests to establish a point-to-point radio bearer to receive a service, to determine a current connection state of a user currently in a “CELL-DCH” state;
  • a first response unit configured to determine, in the connection state determining unit, that the user is not currently in the When the group domain connection status is notified, the upper layer is notified of the package mobility management connection process.
  • the second response unit is configured to reconfigure the existing point-to-point radio bearer when the connection state judging unit determines that the user is currently in the group domain connection state, and complete the service receiving initialization process.
  • a third responding unit configured to establish a connection to the user in the idle state by using the wireless resource control when the message parsing unit determines that the user currently receives the request to establish the point-to-point radio bearer to receive the service.
  • a fourth response unit configured to: when the message parsing unit determines that the user currently receives a request to establish a point-to-point radio bearer to receive a service, pass the cell update process to a user in a “CELL-PCH” or “URA-PCH” state. Respond to the connection.
  • the apparatus for responding to a point-to-point connection establishment request may be provided in a user equipment. That is, the user equipment has the message parsing unit, the connection state judging unit, the first responding unit, the second responding unit, the third responding unit, and the fourth responding unit.

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

Abstract

Méthode et appareil pour renvoyer un point MBMS à une requête d'établissement de connexion par point qui évitent les erreurs, économisent les ressources système et réduisent les retards. Selon cette invention, alors que l'abonné en état 'CELL_DCH' reçoit une requête d'établissement d'un PTPRB, la méthode détecte si l'utilisateur est en l'état conservation de connexion de domaine de paquet et, si cela est le cas, elle reconfigure le PTPRB existant, sinon elle demande à la couche supérieure d'effectuer une connexion PMM et établit une réponse d'établissement de connexion PMM ou transfère le service PTP MBMS par une liaison de données établie par une connexion de domaine CS existante.
PCT/CN2006/002188 2005-09-02 2006-08-25 Methode et appareil pour renvoyer un point mbms a une requete d'etablissement de connexion par point WO2007025464A1 (fr)

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CNA200680013601XA CN101164281A (zh) 2005-09-02 2006-08-25 响应点对点连接建立请求的方法、业务接收方法及装置

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CN100397921C (zh) * 2005-08-23 2008-06-25 华为技术有限公司 响应mbms点到点连接建立请求的方法
CN101431722B (zh) * 2007-11-05 2011-06-08 华为技术有限公司 一种附着时接入数据网的方法、网络设备和接入网
CN101448305B (zh) * 2008-03-05 2010-12-08 中兴通讯股份有限公司 一种在多个分组域网络进行电路域寻呼的方法
CN106358008B (zh) * 2015-07-17 2020-09-29 三亚中兴软件有限责任公司 一种避免重复呼叫接入的方法及会议电视终端设备
US11665211B2 (en) * 2020-11-02 2023-05-30 Mediatek Singapore Pte. Ltd. Apparatuses and methods for call addition control

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WO2005018268A1 (fr) * 2003-08-19 2005-02-24 Lg Electronics Inc. Procede et appareil pour selectionner le type de radio-porteuse mbms

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