Patent application number | Description | Published |
20090279469 | THE METHOD AND DEVICE FOR SENDING AND RECEIVING E-MBMS TRAFFIC DATA - The invention provides a method and device for sending MBMS traffic data based on MBMS Cell Group, the method comprises the following steps: channel coding and modulating said MBMS traffic data; determining said MBMS cell group-specific scrambling code; determining said MBMS cell-specific scrambling code; scrambling said MBMS traffic data with said MBMS cell group-specific scrambling code, and adding reference signal scrambled with said MBMS cell group-specific scrambling code and reference signal scrambled with said MBMS cell-specific scrambling code; and sending scrambled MBMS reference signal and data. With the method and the corresponding device provided by the invention, it is easy to realize RF combining or RF combining and soft combining simultaneously at UE to obtain diversity gain. | 11-12-2009 |
20100110961 | METHOD AND APPARATUS FOR SUPPORTING MBMS IN SYSTEM ARCHITECTURE EVOLUTION - The present invention discloses a system structure for supporting Evolved Multimedia Broadcast/Multicast Service (Evolved MBMS), comprising: a Broadcast/Multicast Service Center (BM-SC) for initiating control signaling and bearer services for Multimedia Broadcast/Multicast Service (MBMS); a System Architecture Evolved Gateway (SAE GW) for receiving MBMS service data and MBMS control signaling or service data from another network, and forwarding the received service data and control signaling; a Broadcast/Multicast Management Entity (BME) for receiving, processing and forwarding the MBMS control signaling, and determining, for each item of the service data for MBMS, an enhanced Node B (eNB) which needs to receive the control signaling; and an multicast User Plane Entity (mUPE) for receiving the MBMS service data, processing the received MBMS service data in Evolved Packet System Architecture Evolution, and forwarding the processed MBMS service data to a downstream node. | 05-06-2010 |
20100111110 | METHOD AND APPARATUS FOR GENERATING PDU AND BASE STATION THEREOF - Disclosed is a method and apparatus for generating a PDU and a base station thereof. The method for generating a PDU includes: segmenting an input SDU into at least one segmentation in such a manner that the at least one segmentation is distributed in at least one PDU; and setting an offset field and at least one length indicator field in a header of each PDU, wherein the offset field indicates an offset of a first segmentation of a first new SDU appearing in the PDU, and the length indicator field indicates the end of the new SDU or the segmentation of the new to SDU in the PDU. With the present invention, since a single SDU is indicated only using one LI even if it is segmented into a plurality of segmentations, and the LI indicates the end of SDU in one PDU, it is ensured that an eNB in the SFN can recover packets in case of multiple packets loss while avoiding de-synchronization during the contents transmission. | 05-06-2010 |
20100113056 | SCHEDULING METHOD AND SCHEDULING DEVICE FOR MBMS, AND BASE STATION INCLUDING THIS SCHEDULING DEVICE - A scheduling method for multimedia broadcast/multicast service (MBMS) is provided according to the present invention, comprising steps of: configuring service specific information and service scheduling information separately from MBMS service data to form an MCCH control message of an MBMS control channel; and transmitting the MCCH control message and the MBMS service data to a receiving end, wherein the service specific information and the service scheduling information are applied with a single-frequency network combining scheme. | 05-06-2010 |
20100265866 | EVOLVED MULTIMEDIA BROADCAST/MULTICAST SERVICE ACCESS GATEWAY, BASE STATION AND METHODS THEREOF - The present invention provides an Evolved Multimedia Broadcast/Multicast Service (EMBMS) access gateway supporting network multicast, comprising: receiving/responding means for receiving a Multimedia Broadcast/Multicast Service (MBMS) Session Start message from a Broadcast/Multicast-Service Center (BM-SC) and for returning a response message to the BM-SC after receiving the MBMS Session Start message; storage means for storing a mapping relationship between respective MBMS service areas (SAs) and respective base stations; determining means for determining base station(s) associated with the MBMS based on the stored mapping relationship when the receiving/responding means receives the MBMS Session Start message; and transmitting means for transmitting the MBMS Session Start message to the determined bases station(s). | 10-21-2010 |
20100279721 | METHODS FOR TRANSMITTING AND RECEIVING MULTIMEDIA SERVICE DATA, BASE STATION AND USER EQUIPMENT - Disclosed are methods for transmitting and receiving multimedia service data, base station and user equipment. The method for transmitting multimedia service data comprises steps of: receiving transmission order information representing the order in which a plurality of multimedia services is to be transmitted; generating schedule information including the beginning indices of the plurality of multimedia services; and transmitting data of the plurality of multimedia services based on the transmission order information and the schedule information. With the methods and equipment of the present invention, dynamic scheduling for MBMS service can be implemented in a SFN network so that power preservation of user equipment can be achieved in the case of discontinuous transmission and statistical multiplexing can be performed easily. | 11-04-2010 |
20110002311 | GATEWAY, BASE STATION AND METHOD FOR WINDOW-BASED CONTENT SYNCHRONIZATION - The present disclosure relates to a gateway, base station and method for window-based content synchronization technology. The gateway according the present invention comprises; a receiving unit for receiving a data packet; a window counting unit for counting the data packet, such that a predetermined number of packets forms a window, the number being a window size; a sequence number counting unit for generating a sequence number of the packet; a timestamp setting unit for setting a timestamp for the packet; and a processing unit for including the generated sequence number, the timestamp and a byte count in the packet to be transmitted. The base station according to the present invention comprises: a receiving unit for receiving a data packet; an information extracting unit for extracting a sequence number, a timestamp and byte count information from the data packet; a window counting unit for counting the received packets based on the extracted sequence number so as to form a window; and a processing unit for setting an anticipated air interface transmission time for the packets in the current window based on the extracted timestamp. The gateway or base station according to the present invention operates well with statistical multiplexing and has an improved overall performance in terms of synchronization processing delay and control packets load. | 01-06-2011 |
20110268018 | GATEWAY, BASE STATION, COMMUNICATION NETWORK AND SYNCHRONIZATION METHOD THEREOF - Discloses is a gateway, base station, communication network and synchronization method thereof. The method comprises: at time T | 11-03-2011 |
20110305164 | COOPERATIVE BEAM FORMING METHOD, APPARATUS AND BASE STATION - The present invention proposes a method, device and base station for cooperative beam forming based on MBMS fixed grid of beams GoB. The cooperative beam forming method comprises following steps: grouping users into cell central user group and cell edge user group (S | 12-15-2011 |
20120002741 | METHOD FOR PERFORMING CONTENT SYNCHRONIZATION FOR DOWNLINK SERVICE DATA IN COLLABORATIVE MIMO AND APPARATUS THEREOF - A method for controlling, in collaborative MIMO of a wireless communication network, downlink service data in collaborative MIMO to perform content synchronization is provided in the present invention. The method comprises: performing, by a serving base station in the collaborative MIMO, data link layer processing on service data to be transmitted to a mobile station, so as to achieve a first data packet, and transmitting the first data packet to other collaborative base station(s) in the collaborative MIMO; thereafter, transmitting, by each base station (which may or may not include the serving base station) participating in transmitting data packets in the collaborative MIMO, the first data packet to the mobile station on the same time-frequency resource. With the technical solution of the present invention, it can be realized effectively that each base station in the collaborative MIMO transmits the same data to the mobile station on the same time-frequency resource. Namely, content synchronization of downlink service data in the collaborative MIMO can be realized. | 01-05-2012 |
20120039228 | METHOD AND DEVICE FOR CONTROLLING MBMS RECEIVING IN A WIRELESS COMMUNICATION SYSTEM - The present invention provides a method of receiving a multimedia broadcast/multicast service in a user equipment of a wireless communication system based on MBSFN transmission and a method of assisting the user equipment to receive the service in the corresponding base station; wherein the user equipment receives a transport block from the base station in a predefined period; and then judges whether a notification indicator in the transport block is activated, if so, then judges whether a service identification of a multimedia broadcast/multicast service customized by the user equipment is included in a transport block including a control signaling in the transport block, if so, then receives the multimedia broadcast/multicast service. By implementing the present invention, a user terminal in IDLE mode only needs a predefined period such as a DRX period to wake up to receive the notification indicator to judge whether a new service will start without waking up at extra time. | 02-16-2012 |
20120040603 | METHOD AND APPARATUS FOR TRANSMITTING MESSAGES - A method, a base station, a Multimedia Broadcast Multicast Service (MBMS) Coordination Entity (MCE), and a system for transmitting messages are provided. The method includes the steps of: defining a transmission order for different services in a service area; defining an arranging order of different messages in the same Transport Block (TB); generating and transmitting first messages carrying the transmission order for different services and the arranging order of different messages so as to synchronize contents of the first message TBs. According to the above technical solutions, the content synchronization of the MCCH RRC message TBs may be achieved. | 02-16-2012 |
20120044826 | METHOD AND APPARATUS FOR TRANSMITTING MCCH CONTROL SIGNALING IN MBSFN MANNER - A method and device for realizing MBMS control signaling transmission in MBSFN manner are provided in the present invention. Wherein, a base station transmits multimedia broadcast multicast service MBMS control signaling in MBSFN manner, preferably, the base station multiplexes MBMS control signaling and MBMS service data in a same MBSFN subframe, and transmits them according to an adjustment period and/or a repetition period. Then, a mobile station receives the MBMS control signaling at the corresponding MBSFN subframe according to the adjustment period and/or the repetition period. With the solution of the present invention, MBMS control signaling transmission in MBSFN manner is realized. | 02-23-2012 |
20120044850 | METHOD, MCE AND BASE STATION FOR DYNAMICALLY DISPATCHING RADIO RESOURCES FOR MBSFN TRANSMISSION - A method for dynamically dispatching radio resources used for Multicast Broadcast Single Frequency Network (MBSFN) transmissions for Multimedia Broadcast Multicast Service (MBMS) is provided, comprising: for a current dispatching period, determining, by a Multi-Cell/Multicast Coordination Entity (MCE), semi-static MBMS dispatching information for each MBMS service or each MBMS service group, according to the Quality of Service (QoS) requirements of each MBMS service or each MBMS service group used for MBSFN transmission, wherein said MBMS service group is a service group formed by statistically multiplexing a plurality of MBMS services that have the same Block Error Rate as their QoS requirements; informing, by said MCE, each base station and respective mobile stations under the control of each base station in an MBSFN area of the determined semi-static MBMS dispatching information; and, dispatching, by each base station, the radio resources dynamically, according to the semi-static MBMS dispatching information received from the MCE and actual data volume to be processed by each MBMS service or each MBMS service group. | 02-23-2012 |
20120044851 | COMMUNICATION METHOD AND DEVICE OF BROADCAST AND/OR MULTICAST IN RADIO NETWORK - The invention discloses a communication method and device of broadcast and/or multicast in radio network. The eNB determines dynamic scheduling control information of each service, according to the practical transmission of the broadcast and/or multicast service in one scheduling period, and provides, in a MAC packet data unit, the UE with the dynamic scheduling control information; the UE receives, in a MAC packet data unit, the dynamic scheduling control information, and receives the broadcast and/or multicast service data from the eNB in the scheduling period, according to the dynamic scheduling control information. (FIG. | 02-23-2012 |
20120044854 | METHOD, BASE STATION, AND BROADCAST MULTICAST SERVICE CENTER FOR CREATING, UPDATING, AND RELEASING SYNCHRONIZATION ENTITIES - The present invention provides processes of creating, updating, and releasing SYNC entities between eNB and BM-SC, and an eNB and a BM-SC for implementing the processes of creating, updating, and releasing the SYNC entities. According to a solution of the present invention, a method of creating SYNC entities is provided, including: creating, at a BM-SC, a plurality of SYNC entities whose amount is equal to the total amount of services, and associating the created plurality of SYNC entities with the services in a one-to-one correspondence manner; sending a SYNC entity creating instruction to all eNBs within an MBSFN area; creating, at each eNB, a plurality of SYNC entities whose amount is equal to the total amount of services based on the received SYNC entity creating instruction, and associating the created plurality of SYNC entities with the services in a one-to-one correspondence manner. | 02-23-2012 |
20120057604 | METHOD AND APPARATUS FOR TRANSMITTING MBMS SERVICES - A transmission method for Multicast Broadcast Single Frequency Network (MBSFN), which can realize the multiplexing of Multimedia Broadcast/Multicast Service (MBMS) services with different Modulation and Coding Scheme (MCS)/Service Data Unit (SDU) error rates. The method comprises the steps of: dividing a plurality of services to be transmitted into multiple service groups according to error rates, each service group including at least one service; transmitting the plurality of services according to the service groups, wherein the respective services in each service group are transmitted in turn according to a predetermined sequence. By applying the method and the apparatus, MBMS services having different MCS/SDU error rates can be multiplexed and transmitted to UEs in the MBSFN. | 03-08-2012 |
20120088535 | METHOD AND DEVICE FOR ALLOCATING SAME RESOURCE FOR A PLURALITY OF ENBS OF COLLABORATIVE MIMO - The present invention provides a method and device for allocating same resource for a plurality of eNBs of collaborative Multiple-input-Multiple-output (MIMO). Wherein a serving eNB firstly determines, in the one or more other eNBs, at least one candidate eNB recommended to cooperate with the serving eNB, according to measurement report reported by mobile stations or according to report information of the recommended candidate eNB reported by mobile station, then obtains resource related information of the at least one candidate eNB, then determines one or more collaborative eNBs from the at least one candidate eNB according to the resource related information, and allocates corresponding communication resources for the serving eNB and the one or more collaborative eNBs. The solution according to the present does not need to reserve special resource for collaborative MIMO, reduces waste of resource, and meets the requirement of resource for implementing collaborative MIMO by different serving eNBs flexibly, and increases the success rate of implementing collaborative MIMO. | 04-12-2012 |
20120099468 | METHOD AND APPARATUS FOR CONTROLLING DOWNLINK DATA SYNCHRONIZATION IN AN eMBMS TRANSMISSION - The invention proposes a technical scheme for controlling downlink data synchronization in an eMBMS transmission in a radio link control entity in a base station. By determining one length indicator for each service data unit, and meanwhile, each length indicator corresponds to one extension bit, the length indicator and the extension bit of each RLC SDU are byte aligned, and the base station generates different length indicators for the service data units with the different length distribution. By adopting the technical scheme of the invention, the corresponding radio link control header overhead thereof is fixed for each service data unit, and therefore, even in the case where a consecutive packet loss occurs in the service data unit received by a certain base station, synchronization between it and other base stations receiving correctly can still be achieved. | 04-26-2012 |
20120140693 | METHOD OF TRIMMING TRAFFIC IN AN E-MBMS SYSTEM AND BM-SC FOR IMPLEMENTING THE METHOD - The present invention provides a method of trimming traffic in an e-MBMS system and BM-SC for implementing the method. The method comprises: determining, by a BM-SC, an ABBR of the multiplexing; allocating, by an MCE, resources based on the determined ABBR; determining, by the BM-SC, whether data amount to be transmitted in a synchronization period exceeds resources allocated in the synchronization period; and dropping, by the BM-SC, tail data packets that cannot be sent in the synchronization period in the multiplexed service if it is determined to exceed. Further, the method also comprises; before the step of determining, voluntarily dropping, by the BM-SC, some data packets in the multiplexed service. | 06-07-2012 |
20120176953 | APPARATUS AND METHOD FOR PROVIDING MULTICAST SERVICE IN A COMMUNICATION SYSTEM - A method for providing a multicast service in a communication system and an apparatus for implementing the method are provided in the present invention. The communication system comprises at least one user equipment and a server for providing a service to the at least one user equipment. The method comprises steps of: determining, by the server, an MBMS multicast group to provide a multicast service; transmitting, by the server, MBMS service control information required to provide an MBMS service to user equipments within the MBMS multicast group, to a BM-SC in an e-MBMS network; determining, by the BM-SC, an MBMS service area and triggering in the MBMS service area an MBMS bearer setup procedure for user equipments within the MBMS multicast group, based on the received MBMS service control information; forwarding, by the server, data to provide a service to the BM-SC; and distributing, by the BM-SC, the data to each of the user equipments within the MBMS multicast group, via the set up MBMS bearer. The method according to the present invention enables to perform multicast within an MBMS multicast group in case that the multicast is not supported by a radio network. | 07-12-2012 |
20120307707 | METHOD FOR PROCESSING MULTIMEDIA BROADCAST/MULTICAST SERVICE SESSION UPDATE - There is provided a method for processing Multimedia Broadcast/Multicast Service MBMS session update in M3 and M2 interfaces in a wireless communication system, the wireless communication system comprising a Mobility Management Entity MME, a Multi-cell/Multicast Coordination Entity MCE and an eNB, the method comprising: sending, by the MME, a first MBMS session update request message to the MCE; processing, by the MCE, the first MBMS session update request message, and sending, a second MBMS session update request message to the eNB and sending a first feedback message to the MME; processing, by the eNB, the second MBMS session update request message, and sending a second feedback message to the MCE. | 12-06-2012 |
20130083720 | METHOD OF AND APPARATUS FOR TRANSMITTING MULTIMEDIA BROADCAST MULTICAST SERVICE RECEPTION STATUS - The invention proposes a method of transmitting a multimedia broadcast multicast service reception status message, wherein a terminal receives a radio resource control message from a base station; determines whether the radio resource control message satisfies a predetermined condition; and if the radio resource control message satisfies the predetermined condition, then the terminal transmits the multimedia broadcast multicast service reception status message to the base station, wherein the multimedia broadcast multicast service reception status message is used for identifying a multimedia broadcast multicast service being received by the terminal With the technical solution of the invention, the base station can obtain a reception status message, transmitted by the terminal, of at least one multimedia broadcast multicast service at the terminal side to thereby count the number of broadcast or multicast receiving users of the multimedia broadcast multicast service in operation and perform other relevant processes. | 04-04-2013 |
20130250840 | SCHEDULING METHOD AND SCHEDULING DEVICE FOR MBMS, AND BASE STATION INCLUDING THIS SCHEDULING DEVICE - A scheduling method for multimedia broadcast/multicast service (MBMS) is provided according to the present invention, comprising steps of: configuring service specific information and service scheduling information separately from MBMS service data to form an MCCH control message of an MBMS control channel; and transmitting the MCCH control message and the MBMS service data to a receiving end, wherein the service specific information and the service scheduling information are applied with a single-frequency network combining scheme. | 09-26-2013 |
20140022976 | METHOD AND APPARATUS FOR PERFORMING MBMS COMMUNICATIONS AND METHOD AND APPARATUS FOR RECEIVING MBMSS - Embodiments of the present invention provide a method and apparatus for performing MBMS service communications and a method and apparatus for receiving an MBMS service. Specifically, there is provided a method for performing MBMS service communications, comprising acquiring location area information of an MBMS service distribution; and notifying a UE of the location area information of the MBMS service distribution. Further, there is provided a method for receiving an MBMS service, comprising receiving location area information of an MBMS service distribution; comparing location information of a UE with the location area information of the MBMS service distribution; and determining whether to read an MCCH and MCCH information change notification based on a comparison result. | 01-23-2014 |
20140023051 | METHOD AND APPARATUS FOR ACCESSING IN AN EQUIPMENT OF A COMMUNICATION NETWORK - A method of accessing in an equipment of a communication network is proposed in the invention. The method comprises the steps of: receiving a message 2 from a base station, the message 2 being used for an assignment of resource to transmit a message 3, the assigned resource corresponding to N HARQ RTTs, where 1≦N≦8; and transmitting the message 3 only in part of the N HARQ RTTs. With the scheme of the invention, a MTC device selectively transmits the Msg3 in one/some HARQ RTT and maintains silence in another one/some HARQ RTT, thus the possibility of the occurrence of access collision with other UEs may be backed off, such that other UEs, particularly human-to-human UEs, may transmit the Msg3 normally. And the possibility of the occurrence of collision is reduced from the viewpoint of the user equipments in a network, reducing entirely the possibility of an access delay and access failure. | 01-23-2014 |
20140140260 | METHOD AND APPARATUS FOR INITIATING MBMS SERVICE RECEPTION STATUS REPORT - A method and an apparatus for initiating a Multimedia Broadcast/Multicast Service (MBMS) service reception status report are disclosed in the present invention. The method includes: a User Equipment (UE) automatically obtaining its MBMS service reception status information, wherein the MBMS service reception status information at least includes a service identification of an MBMS service being received by the UE; sending the MBMS service reception status information of the UE, which can be used by the base station to make a decision for the UE handover, to a base station. According to the invention, an initiating mechanism for initiating an MBMS service reception status report by the UE autonomously is provided, therefore providing the MBMS service reception status information for a network to make End a decision for the UE handover, while keeping a good continuity of the MBMS service possibly. Moreover, a method, an apparatus, a UE and a base station for performing the UE handover decision are also disclosed in the embodiments of the present invention. | 05-22-2014 |
20140153476 | METHOD AND APPARATUS FOR COUNTING MBMS SERVICE IN A MCE ARCHITECTURE - A method and an apparatus for counting MBMS services in a network architecture of a distributed MCE is provided. In the method, a mobility management entity sends at least: one MBMS service UE counting request message to at least one eNB which belongs to a service area and is served by the mobility management entity, wherein the at least one eNB integrates a multicast coordination entity function respectively; receives at least one MBMS service UE counting response message from the at least one eNB, the at least one response message being used for feeding back to the mobility management entity respectively whether the MBMS service UE counting request message is correctly received: receives at least one MBMS service UE counting result report from at least one related eNB among the at least one eNB: determines whether to transmit at least: one MBMS service in a MBSFN mode is a specific MBSFN, according to the at least one MBMS service UE counting result report; sends a MBMS service session start message or a MBMS service session end message to a corresponding eNB according to the determining result. | 06-05-2014 |
20140241233 | METHOD AND APPARATUS FOR TRANSMITTING MCCH CONTROL SIGNALING IN MBSFN MANNER - A method and device for realizing MBMS control signaling transmission in MBSFN manner are provided in the present invention. Wherein, a base station transmits multimedia broadcast multicast service MBMS control signaling in MBSFN manner, preferably, the base station multiplexes MBMS control signaling and MBMS service data in a same MBSFN subframe, and transmits them according to an adjustment period and/or a repetition period. Then, a mobile station receives the MBMS control signaling at the corresponding MBSFN subframe according to the adjustment period and/or the repetition period. With the solution of the present invention, MBMS control signaling transmission in MBSFN manner is realized. | 08-28-2014 |
20140269566 | METHOD OF NOTIFYING MBMS SERVICE INFORMATION OF A NEIGHBORING CELL AND CORRESPONDING APPARATUS - The present invention discloses a method of notifying a user terminal of MBMS service information of at least one neighboring cell of a cell of a base station where the user terminal camps, and a method of receiving from the base station where the user terminal camps the MBMS service information of at least one neighboring cell of the cell of the base station, and a corresponding user terminal and a base station. In the present invention, in a system information block SIB, the multimedia broadcast multicast service MBMS service information of the at least one neighboring cell is transmitted to the user terminal. According to the present invention, regardless of whether a current cell has MBMS service transmission or not, the MBMS service information (if any) of at least one neighboring cell of the current cell is transmitted to the UE camping on the current cell so that the UE can know in advance which neighboring cell the MBMS service of its interest is located in so as to better achieve continuity of the MBMS service. | 09-18-2014 |
20150016326 | METHOD AND DEVICE FOR CONTROLLING MBMS RECEIVING IN A WIRELESS COMMUNICATION SYSTEM - The present invention provides a method of receiving a multimedia broadcast/multicast service in a user equipment of a wireless communication system based on MBSFN transmission and a method of assisting the user equipment to receive the service in the corresponding base station; wherein the user equipment receives a transport block from the base station in a predefined period; and then judges whether a notification indicator in the transport block is activated, if so, then judges whether a service identification of a multimedia broadcast/multicast service subscribed to by the user equipment is included in a transport block including a control signaling in the transport block, if so, then receives the multimedia broadcast/multicast service. By implementing the present invention, a user terminal in IDLE mode only needs a predefined period such as a DRX period to wake up to receive the notification indicator to judge whether a new service will start without waking up at extra time. | 01-15-2015 |
20150163706 | METHOD AND SYSTEM FOR PERFORMING CELL RESELECTION - A method and an apparatus for performing cell reselection are provided. According to the embodiments, the method includes: selecting a first candidate reselection target cell set in which a cell reselection measurement result of each cell meets a first criterion; selecting a second candidate reselection target cell set from the first candidate reselection target cell set according to a cell reselection priority level of each cell in the first candidate reselection target cell set; and considering received Multicast Broadcast Single Frequency Network (MBSEN) region identification information of each cell in the second candidate reselection target cell set, and selecting a cell from the second candidate reselection target cell set to serve as a reselection target cell. Therefore, the continuity of receiving of a Multimedia Broadcast Multicast Service (MBMS) service can be improved as much as possible. | 06-11-2015 |
20150189336 | METHOD AND APPARATUS FOR VIDEO SERVICE TRANSMISSION - The invention proposes a method and apparatus of video service transmission. A method of managing video service transmission in a broadcast multicast service center is proposed, wherein, the video service is coded as base coding layer data and enhancement coding layer data, the base coding layer data and the enhancement coding layer data respectively use different multimedia broadcast multicast service bearer to implement transmission, the method comprises the following steps: obtaining dependency information of the enhancement coding layer data, the dependency information being used to indicate the coding layer data on which the enhancement coding layer data depends; and transmitting to a multimedia broadcast multicast service gateway a session start request signaling of multimedia broadcast multicast service, the session start request signaling of multimedia broadcast multicast service being used to request establishing multimedia broadcast multicast service bearer for the enhancement coding layer data, the session start request signaling of multimedia broadcast multicast service including the dependency information. | 07-02-2015 |