WO2009012648A1 - Procédé, terminal et dispositif de commande de réseau radio (rnc) permettant de rechercher la grappe de serveurs de réseau à fréquence unique - Google Patents

Procédé, terminal et dispositif de commande de réseau radio (rnc) permettant de rechercher la grappe de serveurs de réseau à fréquence unique Download PDF

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Publication number
WO2009012648A1
WO2009012648A1 PCT/CN2008/001337 CN2008001337W WO2009012648A1 WO 2009012648 A1 WO2009012648 A1 WO 2009012648A1 CN 2008001337 W CN2008001337 W CN 2008001337W WO 2009012648 A1 WO2009012648 A1 WO 2009012648A1
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WO
WIPO (PCT)
Prior art keywords
broadcast multicast
single frequency
frequency network
information
network cell
Prior art date
Application number
PCT/CN2008/001337
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English (en)
French (fr)
Inventor
Xuelong Wang
Yu Ding
Shiyan Ren
Lei Mao
Original Assignee
Datang Mobile Communications Equipment 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 Datang Mobile Communications Equipment Co., Ltd filed Critical Datang Mobile Communications Equipment Co., Ltd
Priority to US12/669,658 priority Critical patent/US8655263B2/en
Priority to KR1020107002828A priority patent/KR101110185B1/ko
Publication of WO2009012648A1 publication Critical patent/WO2009012648A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/12—Access point controller devices

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for searching a broadcast multicast single frequency network cell set, a communication terminal, and a radio network controller thereof. Background technique
  • the structure of the dedicated frame includes one short time slot and seven service time slots, all of which are downlink and omnidirectional.
  • the short time slot in the frame structure combines three special time slots (ie, DwPTS, UpPTS, and GP) in the original traditional frame structure into one time slot, and has a length of 0.275 ms, and is used for transmitting a new burst type. , such as transmission control information.
  • the slot structure diagram of the short slot includes a 96 chip channel estimation code (preamble) and 256 chip data symbols (data symbols).
  • the seven service slots in the frame structure are used to transmit MBMS services.
  • FIG. 3 it is a slot structure diagram of a service slot, which includes a 96 chip channel estimation code (preamble) and 768 chip data symbols (data symbols).
  • FIG. 4 it is a schematic diagram of the frame structure, including three empty slots, one slot TS0, and six service slots (TS1 - TS6), wherein all slots TS0, TS1 - TS6 are downlinked, The three empty slots located between TS0 and TS1 are neither used for downlink transmission nor for uplink transmission.
  • the radio network controller exists when the Node B is instructed to establish a broadcast multicast single frequency network (MBSFN, MBMS over a Single Frequency Network) cluster.
  • MBSFN broadcast multicast single frequency network
  • MBMS MBMS over a Single Frequency Network
  • Two types of MBSFN cell sets One is an MBSFN cell set that transmits MBMS services based on the first physical layer frame structure described above, and the other is an MBSFN cell set that transmits MBMS services based on the second physical layer frame structure described above.
  • the MBSFN cell set for transmitting the MBMS service based on the foregoing two physical layer frame structures does not propose a method for searching for the corresponding MBSFN cell set, and a method for receiving the MBMS service in the searched MBSFN cell set, and thus the user terminal (UE, User Equipment) can not receive the MBMS service in one of the above-mentioned MBSFN cell sets.
  • the embodiment of the invention provides a method for searching a broadcast multicast single frequency network cell set, so that the UE can search for a corresponding MBSFN cell set.
  • the embodiment of the invention further provides a method for receiving a multimedia broadcast multicast service, so that the UE can receive the MBMS service in the MBSFN cell set.
  • a corresponding embodiment of the present invention further provides a communication terminal and a radio network controller thereof.
  • An embodiment of the present invention provides a method for searching a broadcast multicast single frequency network cell set, including the following steps: When a terminal needs to receive a broadcast multicast service in a broadcast multicast single frequency network cell set, it synchronizes with the broadcast multicast.
  • An embodiment of the present invention provides a method for receiving a broadcast multicast service, including the following steps:
  • the terminal When the terminal needs to receive the broadcast multicast service in a broadcast multicast single frequency network cell set, it synchronizes to the non-broadcast multicast single frequency network cell associated with the broadcast multicast single frequency network cell set; and according to the non Broadcasting information indicated by system information in a multicast single frequency network cell, searching for the broadcast multicast single frequency network cell set;
  • the terminal synchronizes to the searched broadcast multicast single frequency network cell set
  • the broadcast multicast service is received in the synchronized broadcast multicast single frequency network cell set.
  • the embodiment of the invention provides a communication terminal, including:
  • a first synchronization unit configured to: when the terminal needs to be in a broadcast multicast single frequency network cell set Receiving a broadcast multicast service, and synchronizing to a non-broadcast multicast single frequency network cell associated with the broadcast multicast single frequency network cell set;
  • a searching unit configured to search for the broadcast multicast single frequency network cell set according to the information indicated by the system information in the non-broadcast multicast single frequency network cell that is synchronized by the first synchronization unit.
  • An embodiment of the present invention provides a radio network controller, including:
  • a saving unit configured to save association information between a non-broadcast multicast single frequency network cell and a broadcast multicast single frequency network cell set;
  • the information delivery control unit is configured to control, according to the saved association information, a broadcast multicast multicast list associated with the non-broadcast multicast single frequency network cell in the system broadcast information that is sent by the corresponding non-broadcast multicast single frequency network cell Frequency network cell set information.
  • the UE synchronizes to the non-MBSFN cell associated with the MBSFN cell set, and searches for the corresponding MBSFN cell set according to the information indicated by the system information in the synchronized non-MBSFN cell, and the terminal synchronizes to the searched.
  • the MBSFN cell set is received, and the MBMS service is received in the synchronized MBSFN cell set.
  • an MBSFN cell set based on two physical layer frame structures for transmitting an MBMS service and a method for searching for a corresponding MBSFN cell set, and searching for The MBSFN cell centrally receives the MBMS service, so that the UE can search for the corresponding MBSFN cell set, and receive the MBMS service in the searched MBSFN cell set.
  • FIG. 1 is a schematic diagram of a first physical layer frame structure of the prior art
  • FIG. 2 is a time slot structure diagram of a short time slot in a first frame structure of the prior art
  • FIG. 3 is a time slot structure diagram of a service time slot in a first frame structure of the prior art
  • FIG. 4 is a schematic diagram of a second physical layer frame structure of the prior art
  • FIG. 5 is an architecture diagram of a non-MBSFN cell and two types of MBSFN cell sets according to an embodiment of the present invention
  • FIG. 6 is a flowchart of receiving, by an UE, an MBMS service in an MBSFN cell set according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a communication terminal according to an embodiment of the present invention. detailed description
  • the design idea of the embodiment of the present invention is: first, the UE synchronizes to the non-linked with the MBSFN cell set.
  • the UE On the MBSFN cell, and searching for the corresponding MBSFN cell set according to the information indicated by the system information in the non-MBSFN cell; then the UE synchronizes to the searched MBSFN cell set, and receives the MBMS service in the synchronized MBSFN cell set.
  • the RNC when the RNC instructs the Node B to establish the MBSFN cell set, it needs to indicate the working frequency and class of the MBSFN cell set, and indicate the configuration of the short time slot or the Cell Parameter ID on the TS0 according to the class of the MBSFN cell set. And the configuration of the Cell Parameter ID on the service time slot (of course, the Cell Parameter ID on the service time slot can also be configured when the common transport channel is established).
  • the Cell Parameter ID on the short time slot is configured by the RNC as the short time slot of the first type of MBSFN cell set.
  • the Cell Parameter ID of the TS0 is configured by the RNC for the second type of MBSFN cell set TS0. Code group ID.
  • the RNC also needs to configure the channel of the MBSFN cell set, and the specific channel configuration is as follows: where the channel configuration on the first type of MBSFN cell set is: configuring the MBMS point-to-multipoint traffic channel on the service time slot (MTCH, MBMS point- To-mulpoint transport channel ); mainly configures a broadcast control channel (BCCH, Broadcast Control Channel) and an MBMS point-to-multipoint control channel (MCCH) on a short time slot.
  • the MBMS notification for the discontinuous reception (DRX, Discontinuous Reception) purpose of the MBMS service may be used to identify the channel MICH or the multiplex subchannel (MSCH, Multiplex Subchannel), and the remaining channel resources on the short slot may also be used to carry the MTCH channel.
  • DRX discontinuous reception
  • MSCH Multiplex Subchannel
  • the channel configuration of the second type of MBSFN cell set is: configuring the MTCH channel on the service time slot (TS1-TS6); configuring the BCCH channel and the MCCH channel on the TS0, and configuring the DRX destination for the MBMS service on the TS0.
  • the MICH channel, or the MSCH channel, the remaining channel resources on TS0 can also be used to carry the MTCH channel.
  • the RNC does not configure a synchronization channel for one of the MBSFN cell sets. Therefore, if the UE is to receive the MBMS service in the MBSFN cell set, the present invention proposes that the UE first synchronizes to the non-MBSFN cell associated with the MBSFN cell set. And searching for an MBSFN cell set associated with the non-MBSFN cell according to the information indicated by the system information of the non-MBSFN cell; then the UE synchronizes to the searched MBSFN cell set, and receives the MBMS service in the MBSFN cell set.
  • the present invention first associates a non-MBSFN cell with an MBSFN cell set, and the associated method is: setting an association table in the RNC through the operation and maintenance platform, so that the non-MBSFN cell is associated with the MBSFN cell set.
  • FIG. 5 is an architecture diagram of a non-MBSFN cell and two types of MBSFN cell sets
  • a UE within a coverage of a non-MBSFN cell determines an MBMS service that will receive one of the MBSFN cell sets (normally, each MBSFN)
  • the MBMS services in the cell are differently transmitted.
  • the following describes the implementation process of receiving MBMS services of one type of MBSFN cell set by UEs in the coverage of non-MBSFN cells in combination with Table 1 and Table 2.
  • Table 1 Correspondence table between non-MBSFN cells and MBSFN cell sets associated with them
  • Table 2 MBSFN Cell Set Information List First class MBSFN cell set information second class MBSFN cell set information cell set class first class MBSFN cell set second class MBSFN cell set cell set working frequency first class MBSFN cell set frequency second class MBSFN cell set frequency information
  • Cell Parameter ID Cell Parameter ID on Cell Parameter TS0 on short time slot
  • the ID assumes that the network side initiates multiple MBMS services, and notifies the RNC by signaling.
  • the RNC transmits one MBMS service in the first type of MBSFN cell set in Table 1, and another MBMS service in the second category in Table 1.
  • the MBSFN cell is concentrated for transmission, and it is assumed that the UE within the coverage of the non-MBSFN cell 1 will receive the MBMS service in the second type of MBSFN cell set.
  • the specific implementation process of the UE in the coverage area of the non-MBSFN cell 1 receiving the MBMS service in the second type of MBSFN cell set is as follows:
  • the s association table associates the non-MBSFN cell 1 with the first type of MBSFN cell set and the second type of MBSFN cell set.
  • the information list of the MBSFN cell set is configured in the RNC through the operation and maintenance platform.
  • the list includes the first type of MBSFN cell set category, frequency information, and Cell Parameter ID information on the short time slot. And a second type of MBSFN cell set class, frequency information, and Cell Parameter ID information on TS0.
  • the RNC needs to configure the Cell Parameter ID on each service slot of the MBSFN cell set according to the nature of the single frequency network.
  • the RNC broadcasts the system information SIB1 through the Node B on the non-MBSFN cell 1, and the SIB11 includes the information of the MBSFN cell set information list configured in the RNC, that is, the RC passes the Node B in the non-MBSFN cell 1
  • the class, frequency information, short slot, or Cell Parameter ID on the TSSF N cell set associated with the non-MBSFN cell 1 is broadcasted.
  • the RNC also broadcasts system information SIB3 on the first type of MBSFN cell set through the Node B. SIB5 and SIB11.
  • the SIB3 includes information indicating the MBSFN cell set category;
  • the SIB5 includes MCCH channel information on the MBSFN cell set, and Cell Parameter ID information used by each service slot;
  • the SIB11 includes information of an MBSFN cell set information list, where The information list includes a first type of MBSFN cell set class, frequency information, a Cell Parameter ID on a short time slot, and a second type of MBSFN cell set class, frequency information, and a Cell Parameter ID on TS0.
  • the RNC also broadcasts system information SIB3, SIB5 and SIB11 on the second type of MBSFN cell set through the Node B.
  • the SIB3 includes information indicating the MBSFN cell set category;
  • the SIB5 includes MCCH channel information on the MBSFN cell set, and Cell Parameter ID information used by each service slot;
  • the SIB11 includes information of an MBSFN cell set information list, where The information list includes a first type of MBSFN cell set class, frequency information, a Cell Parameter ID on a short time slot, and a second type of MBSFN cell set class, frequency information, and a Cell Parameter ID on TS0.
  • the UE in the coverage of the non-MBSFN cell 1 synchronizes with the non-MBSFN cell 1 by receiving the synchronization signal of the common carrier network; and after obtaining the synchronization, the UE receives the system information SIB11 in the non-MBSFN cell 1 and receives from the system.
  • the system information SIB11 obtains information of the first class and the second class MBSFN cell set associated with it (ie, the class, frequency information, short time slot or Cell Parameter ID of the MBSFN cell set associated with the non-MBSFN cell 1) ).
  • the UE determines, according to the user-selected service determined in advance (that is, the UE that receives the second type of MBSFN cell set specified in the assumption condition, that the MBMS service of the second type of MBSFN cell set) should be synchronized to the second type of MBSFN cell set; and then the UE utilizes the non-MBSFN cell 1
  • the obtained Cell Parameter ID on the TS0 of the second type of MBSFN cell set ie, the RNC is the code group ID configured in the second type of MBSFN cell set TS0
  • the specific process of the UE searching for the MBSFN cell set by using the Cell Parameter ID on the TS0 is: the UE receives the radio signal on the working frequency of the MBSFN cell set; and then utilizes the Cell Parameter ID on the TS0 and the received MBSFN cell set operating frequency.
  • the wireless signals are matched, and the result of the matching is that the Cell Parameter ID matches the wireless signal on the received MBSFN cell set operating frequency successfully, and the wireless signal matching with other MBSFN cell set operating frequencies is unsuccessful; Then the UE determines the wireless signal on the working frequency of the second type of MBSFN cell set as the target The signal is received, and the corresponding MBSFN cell set is searched according to the obtained Cell Parameter ID on the TS0 of the second type of MBSFN cell set.
  • the UE determines that the MBSFN cell set to be searched is: the UE determines the MBSFN cell set to be searched according to the user selected service set in advance. Then the UE searches for the corresponding MBSFN cell set.
  • the UE determines another set of MBSFN cell sets to be searched: the UE determines the MBSFN cell set to be searched according to the frame structure that can be used for transmitting the broadcast multicast service, and then the UE searches for the corresponding MBSFN. Set of cells.
  • the UE searches for the corresponding MBSFN cell set by synchronizing to the non-MBSFN cell associated with the MBSFN cell set, and according to the information indicated by the system information in the synchronized non-MBSFN cell, which implements the UE search.
  • the purpose of the corresponding MBSFN cell set is the purpose of the corresponding MBSFN cell set.
  • the UE synchronizes to the searched second type of MBSFN cell set, and after the UE synchronizes to the second type of MBSFN cell set, the UE demodulates the Cell Parameter ID (ie, the code group ID) on the second type of MBSFN cell set TS0.
  • the Cell Parameter ID ie, the code group ID
  • the UE determines that the wireless signal on the working frequency of the second type of MBSFN cell set is the target received signal, and only receives the wireless signal on the working frequency of the second type of MBSFN cell set, and does not receive the working frequency of other MBSFN cell set.
  • the wireless signal ie the UE is successfully synchronized to the second type of MBSFN cell set.
  • the UE verifies the category of the current MBSFN cell set according to the received system information SIB3 of the second type of MBSFN cell set, that is, the current MBSFN cell set is the second type of MBSFN cell set; and learns the second type of MBSFN cell according to the received system information SIB5.
  • MCCH channel information on the set and Cell Parameter ID information of the service slot is the received system information SIB3.
  • the UE jumps to the MCCH channel according to the learned MCCH channel information on the second type of MBSFN cell set, and receives the relevant service channel information and the radio bearer (RB, Radio Bearer) transmitted in the MCCH channel according to the service of interest.
  • Information and based on the received traffic channel The information is used to learn specific channel information for transmitting MBMS services on the second type of MBSFN cell set.
  • the UE demodulates the service time slot Cell Parameter ID on the second type of MBSFN cell set according to the specific channel information used for transmitting the MBMS service on the learned second type MBSFN cell set, and the learned Cell Parameter ID information. Content, to receive the MBMS service transmitted on the second type of MBSFN cell set channel.
  • the UE receives the MBMS service by synchronizing to the searched MBSFN cell set and receiving the MBMS service in the synchronized MBSFN cell set, thereby achieving the purpose of receiving the MBMS service in the MBSFN cell set.
  • the above is a specific implementation process of the UE in the coverage area of the non-MBSFN cell 1 receiving the MBMS service in the second type of MBSFN cell aggregation. Similarly, if the coverage is not in the coverage area of the MBSFN cell 1
  • the UE needs to receive the MBMS service of the first type of MBSFN cell set, and may also perform the foregoing method.
  • FIG. 7 is a schematic structural diagram of an embodiment of a communication terminal according to the present invention, including:
  • the first synchronization unit 10 is configured to: when the UE needs to receive the broadcast multicast service in an MBSFN cell set, synchronize to the non-MBSFN cell associated with the MBSFN cell set;
  • the searching unit 20 is configured to search for the foregoing MBSFN cell set according to the information indicated by the system information in the non-MBSFN cell to which the first synchronization unit 10 is synchronized;
  • the second synchronization unit 30 is configured to synchronize to the foregoing MBSFN cell set searched by the search unit 20;
  • the broadcast multicast service receiving unit 40 is configured to receive the broadcast multicast service in the MBSFN cell group that the second synchronization unit 30 synchronizes.
  • the search unit 20 specifically includes:
  • the information obtaining sub-unit 21 is configured to obtain, in the system broadcast information of the non-MBSFN cell broadcast to which the first synchronization unit is synchronized, the MBSFN cell set information associated with the non-MBSFN cell, and the search subunit 22, configured to obtain the information by using the information.
  • the MBSFN cell set information obtained by the unit 21 searches for the corresponding MBSFN cell set.
  • the search subunit 22 uses the code group ID in the obtained MBSFN cell set information, and The radio signals received on the MBSFN cell set operating frequency are matched to search for the corresponding MBSFN cell set.
  • the broadcast multicast service receiving unit 40 specifically includes:
  • a system wide receiving subunit 41 configured to receive system broadcast information in the MBSFN cell set to which the second synchronization unit 30 is synchronized;
  • the control channel information obtaining subunit 42 is configured to obtain broadcast multicast point-to-multipoint control channel information from the system broadcast information received by the system wide receiving unit 41;
  • the slot information obtaining subunit 43 is configured to obtain slot information for transmitting the broadcast multicast service from the system broadcast information received by the system broadcast information receiving unit 41.
  • the service channel information acquisition sub-unit 44 is configured to acquire the broadcast multicast point-to-multipoint control channel information acquired by the sub-unit 42 according to the control channel information, and jump to the corresponding control channel to obtain a service channel for transmitting the broadcast multicast service.
  • the broadcast multicast service receiving sub-unit 45 is configured to acquire, according to the time slot information, the time slot information used by the sub-unit 43 for transmitting the broadcast multicast service, and the traffic channel information obtaining sub-unit 44 for transmitting the broadcast multicast service.
  • the traffic channel information receives the broadcast multicast service in the synchronized MBSFN cell set.
  • the embodiment of the present invention further provides a radio network controller, including a saving unit, configured to store association information between a non-MBSFN cell and an MBSFN cell set, and an information delivery control unit, configured to save the non-MBSFN cell and the MBSFN according to the saving unit.
  • the association information of the cell set controls the corresponding non-MBSFN cell to carry the MBSFN cell set information associated with the non-MBSFN cell in the system broadcast information that is sent.
  • the UE synchronizes to the non-MBSFN cell associated with the MBSFN cell set, and searches for the corresponding MBSFN cell set according to the information indicated by the system information in the synchronized non-MBSFN cell, and the terminal synchronizes to the searched MBSFN cell set, and The MBMS service is received in the synchronized MBSFN cell set. Therefore, the embodiment of the present invention is directed to a MBSFN cell set for transmitting an MBMS service based on two physical layer frame structures proposed in the prior art, and a method for searching for a corresponding MBSFN cell set, and receiving MBMS in the searched MBSFN cell set are proposed. Business method to make The UE can receive the MBMS service in the MBSFN cell set.
  • the spirit and scope of the invention Thus, it is intended that the present invention cover the modifications and the modifications of the invention.

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Description

搜索单频网络小区集的方法、 终端及无线网络控制器 技术领域
本发明涉及通信领域， 尤其涉及一种搜索广播组播单频网络小区集的方 法、 通信终端及其无线网络控制器。 背景技术
目前，在 3GPP Release 7中，为进一步提高多媒体广播组播业务（ MBMS, Multimedia Broadcast/ Multicast Service )的传输速率， 现有技术中已提出在基 站物理层中釆用一种新的专用帧结构来承载 MBMS业务。
如图 1 所示， 为该专用帧的结构示意图， 包括 1个短时隙和 7个业务时 隙， 所有时隙全部下行传输且全向发射。 其中， 该帧结构中的短时隙将原有 传统帧结构中的三个特殊时隙（即 DwPTS、 UpPTS、 GP )合为一个时隙， 长 度为 0.275ms, 用于传输新的突发类型， 如传输控制信息等。 如图 2所示， 为 短时隙的时隙结构图， 包括 96 chip的信道估计码（ preamble )和 256 chip的 数据符号（ data symbols )。其中，该帧结构中的 7个业务时隙用于传输 MBMS 业务。 如图 3所示， 为业务时隙的时隙结构图， 包括 96 chip的信道估计码 ( preamble )和 768 chip的数据符号 （ data symbols )。
为保证与现有系统的兼容性， 即在不改动原有传统帧结构中时隙结构的 基础上， 现有技术中又提出在基站物理层中采用另一种新的帧结构来承载 MBMS业务。 如图 4所示， 为该帧结构的示意图， 包括 3个空时隙、 1个时 隙 TS0和 6个业务时隙 （TS1 - TS6 ), 其中， 时隙 TS0、 TS1 - TS6全部下行 传输， 而位于 TS0和 TS1之间的 3个空时隙既不用于下行传输也不用于上行 传输。
基于上述两种物理层的帧结构， 无线网络控制器（R C, Radio Network Controller )在指示 Node B建立广播组播单频网络（MBSFN, MBMS over a Single Frequency Network ) 小区集（ cluster ) 时 , 存在两类 MBSFN小区集， 一类是基于上述第一种物理层帧结构发射 MBMS业务的 MBSFN小区集， 另 一类是基于上述第二种物理层帧结构发射 MBMS业务的 MBSFN小区集。
基于上述两种物理层帧结构发射 MBMS业务的 MBSFN小区集， 现有技术 中还没有提出一种搜索对应 MBSFN小区集的方法， 以及在搜索到的 MBSFN 小区集中接收 MBMS业务的方法， 因此用户终端（UE， User Equipment )也就 不能接收上述其中一类 MBSFN小区集中的 MBMS业务。 发明内容
本发明实施例提供了一种搜索广播组播单频网络小区集的方法， 以使 UE 能够搜索到对应的 MBSFN小区集。
本发明实施例还提供了一种接收多媒体广播组播业务的方法，以使 UE能 够接收 MBSFN小区集中的 MBMS业务。
对应的本发明实施例还提供了一种通信终端及其无线网络控制器。
本发明实施例提供一种搜索广播组播单频网络小区集的方法， 包括步骤： 当终端需要在一个广播组播单频网络小区集中接收广播组播业务时， 同 步到与所述广播组播单频网络小区集关联的非广播组播单频网络小区上； 并 根据所述非广播组播单频网络小区中的系统信息指示的信息， 搜索所述 广播组播单频网络小区集。
本发明实施例提供一种接收广播组播业务的方法， 包括步骤：
当终端需要在一个广播组播单频网络小区集中接收广播组播业务时， 同 步到与所述广播组播单频网络小区集关联的非广播组播单频网络小区上； 并 根据所述非广播组播单频网络小区中的系统信息指示的信息， 搜索所述 广播组播单频网络小区集；
终端同步到搜索到的所述广播组播单频网络小区集上； 以及
在同步到的广播组播单频网络小区集中接收广播组播业务。
本发明实施例提供一种通信终端 , 包括：
第一同步单元， 用于当所述终端需要在一个广播组播单频网络小区集中 接收广播组播业务时， 同步到与所述广播组播单频网络小区集关联的非广播 组播单频网络小区上；
搜索单元， 用于根据第一同步单元同步到的所述非广播组播单频网络小 区中的系统信息指示的信息， 搜索所述广播组播单频网络小区集。
本发明实施例提供一种无线网络控制器， 包括：
保存单元， 用于保存非广播组播单频网络小区与广播组播单频网络小区 集的关联信息；
信息下发控制单元， 用于根据保存的关联信息， 控制对应的非广播组播 单频网络小区在下发的系统广播信息中， 携带与该非广播组播单频网络小区 关联的广播组播单频网络小区集信息。
本发明实施例中， 首先 UE同步到与 MBSFN小区集关联的非 MBSFN小 区上，并根据同步到的非 MBSFN小区中的系统信息指示的信息，搜索对应的 MBSFN 小区集， 终端同步到搜索到的 MBSFN 小区集上， 并在同步到的 MBSFN小区集中接收 MBMS业务。 因此， 本发明实施例针对现有技术中提，: 出的基于两种物理层帧结构发射 MBMS业务的 MBSFN小区集， 提出了一种 ；: 搜索对应 MBSFN 小区集的方法， 以及在搜索到的 MBSFN 小区集中接收 MBMS业务的方法， 以使 UE能够搜索到对应的 MBSFN小区集， 以及在搜 索到的 MBSFN小区集中接收 MBMS业务。 附图说明
图 1为现有技术的第一种物理层帧结构的示意图；
图 2为现有技术的第一种帧结构中短时隙的时隙结构图；
图 3为现有技术的第一种帧结构中业务时隙的时隙结构图；
图 4为现有技术的第二种物理层帧结构的示意图；
图 5为本发明实施例的非 MBSFN小区与两类 MBSFN小区集的体系结构 图；
图 6为本发明实施例的 UE接收 MBSFN小区集中的 MBMS业务的流程 图；
图 7为本发明实施例的通信终端的结构示意图。 具体实施方式
本发明实施例的设计思想是：首先 UE同步到与 MBSFN小区集关联的非
MBSFN小区上， 并根据该非 MBSFN小区中的系统信息指示的信息， 搜索对 应的 MBSFN小区集； 然后 UE同步到搜索到的 MBSFN小区集上， 并在同步 到的 MBSFN小区集中接收 MBMS业务。
本发明实施例中， 在 RNC指示 Node B建立 MBSFN小区集时， 需要指 示 MBSFN小区集的工作频率、类别， 并且根据 MBSFN小区集的类别指示其 短时隙或者 TS0 上的 Cell Parameter ID 的配置， 以及业务时隙上的 Cell Parameter ID的配置（当然业务时隙上的 Cell Parameter ID也可以在公共传输 信道建立时进行配置）。 其中， 对于第一类 MBSFN小区集， 即基于上述第一 种物理层帧结构发射 MBMS 业务的 MBSFN 小区集， 短时隙上的 Cell Parameter ID是 RNC为第一类 MBSFN小区集中短时隙所配置的码组 ID; 对 于第二类 MBSFN小区集， 即基于上述第二种物理层帧结构发射 MBMS业务 的 MBSFN小区集， TS0上的 Cell Parameter ID是 RNC为第二类 MBSFN小 区集中 TS0所配置的码组 ID。
RNC还需要对 MBSFN小区集的信道进行配置， 具体信道配置如下： 其中，第一类 MBSFN小区集上的信道配置为：在业务时隙上配置 MBMS 点对多点业务信道 ( MTCH, MBMS point-to-mulpoint transport channel ); 在 短时隙上主要配置广播控制信道（ BCCH, Broadcast control channel )和 MBMS 点到多点控制信道 ( MCCH, MBMS point-to-mulpoint control channel ), 短时 隙上还可以配置用于 MBMS 业务的非连续接收 （ DRX , Discontinuous Reception ) 目的的 MBMS通知标识信道 MICH或者复用子信道（ MSCH, Multiplex Subchannel ), 短时隙上的剩余信道资源还可以用于承载 MTCH信 道。 其中， 第二类 MBSFN小区集的信道配置为： 在业务时隙（TS1-TS6 )上 配置 MTCH信道； 在 TS0上主要配置 BCCH信道和 MCCH信道， TS0上还 可以配置用于 MBMS业务的 DRX目的的 MICH信道，或者 MSCH信道， TS0 上的剩余信道资源还可以用于承载 MTCH信道。
基于上述信道配置可知 RNC并没有为上述其中一类 MBSFN小区集配置 同步信道， 因此 UE如果要接收 MBSFN小区集中的 MBMS业务， 本发明提 出 UE 首先同步到与 MBSFN 小区集关联的非 MBSFN 小区上， 根据该非 MBSFN小区的系统信息指示的信息，搜索与该非 MBSFN小区关联的 MBSFN 小区集； 然后 UE同步到搜索到的 MBSFN小区集上， 并接收该 MBSFN小区 集中的 MBMS业务。 所以， 本发明这里先将非 MBSFN小区和 MBSFN小区 集进行关联， 其关联的方法为： 通过操作维护平台在 RNC中设置关联表， 使 非 MBSFN小区与 MBSFN小区集进行关联。
如图 5所示， 为非 MBSFN小区与两类 MBSFN小区集的体系结构图，假 设非 MBSFN小区覆盖范围内的 UE确定将接收其中一类 MBSFN小区集的 MBMS业务（通常情况下， 每个 MBSFN小区集中传输的 MBMS业务不同）， 下面结合表 1 和表 2， 对非 MBSFN 小区覆盖范围内的 UE接收其中一类 MBSFN小区集的 MBMS业务的实现过程进行详细说明。
假设非 MBSFN小区和与其进行关联的 MBSFN小区集的对应关系如表 1 所示， 并^殳 MBSFN小区集的信息如表 2所示。
表 1: 非 MBSFN小区和与其进行关联的 MBSFN小区集的对应关系表
Figure imgf000007_0001
表 2: MBSFN小区集信息列表 第一类 MBSFN小区集信息 第二类 MBSFN小区集信息 小区集类别 第一类 MBSFN小区集 第二类 MBSFN小区集 小区集工作频率 第一类 MBSFN小区集频率 第二类 MBSFN小区集频率 信息 ÷自
Cell Parameter ID 短时隙上的 Cell Parameter TS0上的 Cell Parameter ID
ID 假设网络侧发起多个 MBMS业务， 通过信令通知 RNC, RNC将其中一 个 MBMS业务在表 1 中的第一类 MBSFN小区集进行传输， 以及将另一个 MBMS业务在表 1中的第二类 MBSFN小区集中进行传输，并假设非 MBSFN 小区 1覆盖范围内的 UE将接收第二类 MBSFN小区集中的 MBMS业务。 基 于上述，参阅图 6所示，非 MBSFN小区 1覆盖范围内的 UE接收第二类 MBSFN 小区集中的 MBMS业务的具体实现过程如下：
S10、 通过操作维护平台在 RNC中配置一张关联表， 如上述表 1所示， s 关联表中将非 MBSFN小区 1与第一类 MBSFN小区集和第二类 MBSFN小区 集进行关联。 同时， 通过操作维护平台在 RNC中配置一张 MBSFN小区集的 信息列表，如上述表 2所示， 该列表中包括第一类 MBSFN小区集类别、频率 信息、 短时隙上的 Cell Parameter ID信息， 以及第二类 MBSFN小区集类别、 频率信息、 TS0上的 Cell Parameter ID信息。
此外， 还需要由 RNC根据单频网络性质对 MBSFN小区集的各个业务时 隙上的 Cell Parameter ID进行配置。
S20、 在网络运行过程中， RNC通过 Node B在非 MBSFN小区 1上广播 系统信息 SIBl l , SIB11 中包括在 RNC中配置的 MBSFN小区集信息列表的 信息， 即 R C通过 Node B在非 MBSFN小区 1上广播与非 MBSFN小区 1 进行关联的 MBSFN 小区集的类别、 频率信息、 短时隙或者 TS0 上的 Cell Parameter ID。
此外， RNC还通过 Node B在第一类 MBSFN小区集上广播系统信息 SIB3、 SIB5以及 SIB11。 其中， SIB3包括指示该 MBSFN小区集类别的信息； SIB5 包括该 MBSFN小区集上的 MCCH信道信息，以及各个业务时隙所使用的 Cell Parameter ID信息； SIB11包括 MBSFN小区集的信息列表的信息， 该信息列 表中包括第一类 MBSFN小区集类别、 频率信息、 短时隙上的 Cell Parameter ID, 以及第二类 MBSFN小区集类别、频率信息、 TS0上的 Cell Parameter ID。
同时， RNC也通过 Node B在第二类 MBSFN小区集上广播系统信息 SIB3、 SIB5以及 SIB11。 其中， SIB3包括指示该 MBSFN小区集类别的信息； SIB5 包括该 MBSFN小区集上的 MCCH信道信息，以及各个业务时隙所使用的 Cell Parameter ID信息； SIB11包括 MBSFN小区集的信息列表的信息， 该信息列 表中包括第一类 MBSFN小区集类别、 频率信息、 短时隙上的 Cell Parameter ID, 以及第二类 MBSFN小区集类别、频率信息、 TS0上的 Cell Parameter ID。
S30、 非 MBSFN小区 1覆盖范围内的 UE通过接收普通载波网络的同步 信号 ,实现与非 MBSFN小区 1的同步；并在获得同步之后， UE接收非 MBSFN 小区 1中的系统信息 SIB11 ,并从接收的系统信息 SIB11中获得与其关联的第 一类和第二类 MBSFN 小区集的信息（即与非 MBSFN 小区 1 进行关联的 MBSFN小区集的类别、 频率信息、 短时隙或者 TS0上的 Cell Parameter ID )。
S40、 UE根据事先确定的用户选定业务（即假设条件中规定的 UE接收 第二类 MBSFN小区集的 MBMS业务）确定应该同步到第二类 MBSFN小区 集上； 然后 UE利用从非 MBSFN小区 1接收的系统信息 SIB11中， 获得的第 二类 MBSFN小区集的 TS0上的 Cell Parameter ID(即 RNC为第二类 MBSFN 小区集中 TS0所配置的码组 ID )去搜索对应的 MBSFN小区集。
本步骤中， UE利用 TS0上的 Cell Parameter ID搜索 MBSFN小区集的具 体过程为： UE接收 MBSFN小区集工作频率上的无线信号； 然后利用 TS0上 的 Cell Parameter ID与收到的 MBSFN小区集工作频率上的无线信号进行匹 配， 匹配的结果为该 Cell Parameter ID与收到的第二类 MBSFN小区集工作频 率上的无线信号匹配成功，而与其他 MBSFN小区集工作频率上的无线信号匹 配不成功；于是 UE确定第二类 MBSFN小区集工作频率上的无线信号为目标 接收信号， 并根据获得的第二类 MBSFN小区集的 TS0上的 Cell Parameter ID 去搜索对应的 MBSFN小区集。
基于上述可知， 当 UE获得的 MBSFN小区集信息对应至少两个 MBSFN 小区集时， UE确定要搜索的 MBSFN小区集的实施方式为： UE根据事先设 置的用户选定业务确定要搜索的 MBSFN 小区集， 然后 UE再搜索对应的 MBSFN小区集。
此外， UE确定要搜索的 MBSFN小区集还有另一种实施方式： UE根据 自身所能支持的用于发送广播组播业务的帧结构确定要搜索的 MBSFN 小区 集， 然后 UE再搜索对应的 MBSFN小区集。
由上述处理过程可知， UE通过同步到与 MBSFN小区集关联的非 MBSFN 小区上，并根据同步到的非 MBSFN小区中的系统信息指示的信息，搜索对应 的 MBSFN小区集， 这就实现了 UE搜索对应的 MBSFN小区集的目的。
S50、 UE同步到搜索到的第二类 MBSFN小区集上，且 UE在同步到第二 类 MBSFN 小区集之后， 通过解调第二类 MBSFN 小区集 TS0 上的 Cell Parameter ID (即码组 ID ) 中的信息， 来接收第二类 MBSFN小区集的系统信 息 SIB3、 SIB5以及 SIB11。
本步骤中，若 UE确定第二类 MBSFN小区集工作频率上的无线信号为目 标接收信号，并只接收第二类 MBSFN小区集工作频率上的无线信号，不接收 其他 MBSFN 小区集工作频率上的无线信号， 即 UE 成功地同步到第二类 MBSFN小区集上。
S60、 UE根据接收的第二类 MBSFN小区集的系统信息 SIB3验证当前 MBSFN小区集的类别， 即当前 MBSFN小区集为第二类 MBSFN小区集； 并 根据接收的系统信息 SIB5获知第二类 MBSFN小区集上的 MCCH信道信息和 业务时隙的 Cell Parameter ID信息。
进一步， UE根据获知的第二类 MBSFN小区集上的 MCCH信道信息， 跳转到 MCCH信道上，根据自己感兴趣的业务接收 MCCH信道中传输的相关 业务信道信息、 无线承载（RB, Radio Bearer )信息， 并根据接收的业务信道 信息获知第二类 MBSFN小区集上用于传输 MBMS业务的具体信道信息。 S70、 UE根据获知的第二类 MBSFN小区集上用于传输 MBMS业务的具 体信道信息， 以及获知的 Cell Parameter ID信息， 通过解调第二类 MBSFN小 区集上的业务时隙 Cell Parameter ID中的内容，来接收第二类 MBSFN小区集 信道上传输的 MBMS业务。
由上述处理过程可知， UE通过同步到搜索到的 MBSFN小区集上， 并在 同步到的 MBSFN小区集中接收 MBMS业务， 这就实现了接收 MBSFN小区 集中的 MBMS业务的目的。
以上是非 MBSFN小区 1覆盖范围内的 UE接收第二类 MBSFN小区集中 的 MBMS业务的具体实现过程， 同理， 如果非 MBSFN小区 1覆盖范围内的
UE需要接收第一类 MBSFN小区集的 MBMS业务， 也可以按照上述的方法 进行。
如图 7所示， 为本发明通信终端的实施例结构示意图， 包括：
第一同步单元 10， 用于当 UE需要在一个 MBSFN小区集中接收广播组 播业务时， 同步到与上述 MBSFN小区集关联的非 MBSFN小区上；
搜索单元 20，用于根据第一同步单元 10同步到的非 MBSFN小区中的系 统信息指示的信息， 搜索上述 MBSFN小区集；
第二同步单元 30，用于同步到搜索单元 20搜索到的上述 MBSFN小区集 上；
广播组播业务接收单元 40，用于在第二同步单元 30同步到的 MBSFN小 区集中接收广播组播业务。
其中， 搜索单元 20具体包括：
信息获得子单元 21 , 用于在第一同步单元同步到的非 MBSFN小区广播 的系统广播信息中， 获得与上述非 MBSFN小区关联的 MBSFN小区集信息； 搜索子单元 22,用于利用信息获得子单元 21获得的 MBSFN小区集信息， 搜索对应的 MBSFN小区集。
具体的， 搜索子单元 22利用获得的 MBSFN小区集信息中的码组 ID, 与 在 MBSFN 小区集工作频率上接收的无线信号进行匹配， 来搜索对应的 MBSFN小区集。
广播组播业务接收单元 40具体包括：
系统广 4 言息接收子单元 41， 用于接收所述第二同步单元 30 同步到的 MBSFN小区集中的系统广播信息；
控制信道信息获取子单元 42,用于从系统广 ·ί^ί言息接收单元 41接收的系 统广播信息中， 获取广播组播点对多点控制信道信息；
时隙信息获取子单元 43,用于从系统广播信息接收单元 41接收的系统广 播信息中， 获取用于传输广播组播业务的时隙信息；
业务信道信息获取子单元 44，用于根据控制信道信息获取子单元 42获取 的广播组播点对多点控制信道信息， 跳转到对应的控制信道上获取用于传输 广播组播业务的业务信道信息；
广播组播业务接收子单元 45，用于根据时隙信息获取子单元 43获取的用 于传输广播组播业务的时隙信息， 和业务信道信息获取子单元 44获取的用于 传输广播组播业务的业务信道信息，在同步到的 MBSFN小区集中接收广播组 播业务。
本发明实施例还提出了一种无线网络控制器， 包括保存单元， 用于保存 非 MBSFN小区与 MBSFN小区集的关联信息； 信息下发控制单元， 用于根据 保存单元保存的非 MBSFN小区与 MBSFN小区集的关联信息，控制对应的非 MBSFN 小区在下发的系统广播信息中， 携带与该非 MBSFN 小区关联的 MBSFN小区集信息。
首先 UE同步到与 MBSFN小区集关联的非 MBSFN小区上，并根据同步 到的非 MBSFN小区中的系统信息指示的信息， 搜索对应的 MBSFN小区集， 终端同步到搜索到的 MBSFN小区集上，并在同步到的 MBSFN小区集中接收 MBMS业务。 因此， 本发明实施例针对现有技术中提出的基于两种物理层帧 结构发射 MBMS业务的 MBSFN小区集， 提出了一种搜索对应 MBSFN小区 集的方法， 以及在搜索到的 MBSFN小区集中接收 MBMS业务的方法， 以使 UE能够接收 MBSFN小区集中的 MBMS业务。 发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种搜索广播组播单频网络小区集的方法， 其特征在于， 包括： 当终端需要在一个广播组播单频网络小区集中接收广播组播业务时， 同 步到与所述广播组播单频网络小区集关联的非广播组播单频网络小区上； 并 根据所述非广播组播单频网络小区中的系统信息指示的信息， 搜索所述 广播组播单频网络小区集。
2、 如权利要求 1所述的方法， 其特征在于， 根据所述非广播组播单频网 络小区中的系统信息指示的信息， 搜索所述广播组播单频网络小区集， 包括： 终端在所述非广播组播单频网络小区广播的系统广播信息中， 获得与所 述非广播组播单频网络小区关联的广播组播单频网络小区集信息； 以及
利用获得的广播组播单频网络小区集信息 , 搜索对应的广播组播单频网 络小区集。
3、 如权利要求 2所述的方法， 其特征在于， 当所述获得的广播组播单频 网络小区集信息对应至少两类广播组播单频网络小区集时， 终端根据用户选 定业务确定要搜索的广播组播单频网络小区集。
4、 如权利要求 2所述的方法， 其特征在于， 所述获得的广播组播单频网 络小区集信息对应至少两类广播组播单频网络小区集时， 终端根据自身所能 支持的用于发送广播组播业务的帧结构确定要搜索的广播组播单频网络小区 集。
5、 如权利要求 2所述的方法， 其特征在于， 终端搜索对应广播组播单频 网络小区集的过程具体包括：
终端接收广播组播单频网络小区集工作频率上的无线信号； 以及 利用获得的广播组播单频网络小区集信息中的码组 ID与所述接收的无线 信号进行匹配， 来搜索对应的广播组播单频网络小区集。
6、 一种接收广播组播业务的方法， 其特征在于， 包括：
当终端需要在一个广播组播单频网络小区集中接收广播组播业务时， 同 步到与所述广播组播单频网络小区集关联的非广播组播单频网络小区上； 并 根据所述非广播组播单频网络小区中的系统信息指示的信息， 搜索所述 广播组播单频网络小区集；
终端同步到搜索到的所述广播组播单频网络小区集上； 以及
在同步到的广播组播单频网络小区集中接收广播组播业务。
7、 如权利要求 6所述的方法， 其特征在于， 终端在同步到的广播组播单 频网络小区集中接收广播组播业务， 包括：
终端在同步到的广播组播单频网络小区集中接收系统广播信息； 以及 从所述接收的系统广播信息中获取广播组播点对多点控制信道信息， 和 用于传输广播组播业务的时隙信息；
终端根据所述获取的广播组播点对多点控制信道信息， 跳转到对应的控 制信道上获取用于传输广播组播业务的信道信息；
终端根据所述获取的用于传输广播组播业务的时隙信息、 和用于传输广 播组播业务的信道信息， 在同步到的广播组播单频网络小区集中接收广播组 播业务。
8、 一种通信终端， 其特征在于， 包括：
第一同步单元， 用于当所述终端需要在一个广播组播单频网络小区集中 接收广播组播业务时， 同步到与所述广播组播单频网络小区集关联的非广播 组播单频网络小区上；
搜索单元， 用于根据第一同步单元同步到的所述非广播组播单频网络小 区中的系统信息指示的信息， 搜索所述广播组播单频网络小区集。
9、 如权利要求 8所述的终端， 其特征在于， 所述搜索单元包括： 信息获得子单元， 用于在第一同步单元同步到的所述非广播组播单频网 络小区广播的系统广播信息中， 获得与所述非广播组播单频网络小区关联的 广播组播单频网络小区集信息；
搜索子单元， 用于利用信息获得子单元获得的广播组播单频网络小区集 信息， 搜索对应的广播组播单频网络小区集。
10、 如权利要求 9所述的终端， 其特征在于， 所述搜索子单元利用获得 的广播组播单频网络小区集信息中的码组 ID, 与在广播组播单频网络小区集 工作频率上接收的无线信号进行匹配， 来搜索对应的广播组播单频网络小区 集。
11、 如权利要求 8所述的终端， 其特征在于， 还包括：
第二同步单元， 用于同步到搜索单元搜索到的所述广播组播单频网络小 区集上；
广播组播业务接收单元， 用于在第二同步单元同步到的广播组播单频网 络小区集中接收广播组播业务。
12、 如权利要求 11所述的终端， 其特征在于， 所述广播组播业务接收单 元具体包括：
系统广播信息接收子单元， 用于接收第二同步单元同步到的广播组播单 频网络小区集中的系统广播信息；
控制信道信息获取子单元， 用于从所述系统广播信息接收子单元接收的 系统广播信息中， 获取广播组播点对多点控制信道信息；
时隙信息获取子单元， 用于从所述系统广播信息接收子单元接收的系统 广播信息中， 获取用于传输广播组播业务的时隙信息；
业务信道信息获取子单元， 用于根据所述控制信道信息获取子单元获取 的广播组播点对多点控制信道信息， 跳转到对应的控制信道上获取用于传输 广播组播业务的业务信道信息；
广播组播业务接收子单元， 用于根据所述时隙信息获取子单元获取的用 于传输广播组播业务的时隙信息， 和业务信道信息获取子单元获取的用于传 输广播组播业务的业务信道信息， 在同步到的广播组播单频网络小区集中接 收广播组播业务。
13、 一种无线网络控制器， 其特征在于， 包括：
保存单元， 用于保存非广播组播单频网络小区与广播组播单频网络小区 集的关联信息； 信息下发控制单元， 用于根据保存的关联信息， 控制对应的非广播组播 单频网络小区在下发的系统广播信息中， 携带与该非广播组播单频网络小区 关联的广播组播单频网络小区集信息。
PCT/CN2008/001337 2007-07-20 2008-07-18 Procédé, terminal et dispositif de commande de réseau radio (rnc) permettant de rechercher la grappe de serveurs de réseau à fréquence unique WO2009012648A1 (fr)

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