255 results about "Broadcast and Multicast Service" patented technology

This invention provides a paging method for Multimedia Broadcast / Multicast Service in mobile communication system paging process and radio resource setup process are merged in this method to try to reduce uplink responses. This invention extends existing PCH IubFP frame structure by adding MBMS Indication bit(MI) to PCH IubFP frame. The PCH IubFP frame includes Paging Indication (PI) and Paging Message. Paging message carries MBMS service information. MBMS Service Identity or MBMS Paging Indicator is added to the reserved 12 bits in Paging Indicator Channel (PICH) frame structure. Radio Network Controller (RNC) transfers Paging Indicator Message and paging message to Base Station (Node B) so as to send over the air-interface.

As no single wireless network can provide both broadband high-speed radio transmission and seamless full mobility for commercial wireless communications in terms of technology, cost, spectrum and performance, a new wireless converged network access infrastructure based on Open Wireless Architecture (OWA) has been disclosed, wherein the spectrum is separated into low spectrum band (LSB) for wide area seamless mobility networks and high spectrum band (HSB) for very high-speed broadband wireless access systems in order to maximize the spectrum utilization efficiency for the converged multiple wireless access networks of the fully service-oriented wireless communications including multimedia broadcast and multicast service.

Provided are a base station, a mobile station, and a method for providing service continuity between Multimedia Broadcast and Multicast Service (MBMS) areas. A system information generation unit of the base station may generate a System Information Block (SIB) including broadcasting area information providing a broadcasting service to a neighboring cell of a serving cell where the mobile station is located. A communication unit may transmit the generated SIB to the mobile station.

Methods, systems, and computer program products for analyzing signaling messages associated with delivery of streaming media content to subscribers via a broadcast and multicast service (BCMCS) are disclosed. According to one method, at least one signaling message transmitted between network elements associated with delivery of streaming media content to a subscriber via a BCMCS is monitored. The at least one signaling message is analyzed. Information resulting from the analysis is provided to at least one BCMCS data processing application.

As no single wireless network can provide both broadband high-speed radio transmission and seamless full mobility for commercial wireless communications in terms of technology, cost, spectrum and performance, a new wireless converged network access infrastructure based on Open Wireless Architecture (OWA) has been disclosed, wherein the spectrum is separated into low spectrum band (LSB) for wide area seamless mobility networks and high spectrum band (HSB) for very high-speed broadband wireless access systems in order to maximize the spectrum utilization efficiency for the converged multiple wireless access networks of the fully service-oriented wireless communications including multimedia broadcast and multicast service.

Paging is provided in a communication network, and implemented in a network infrastructure device (101). Multiple flows including a particular flow are assigned to one or more flow groups. Flow groups, including the foregoing flows, are assigned to at least one paging category, wherein the flow groups have a first paging slot. The paging category is transmitted (107) to one or more communication units (103), wherein the communication unit(s) (103) has requested the particular flow.

A method for performing cell selection in a mobile communication system and a system therefor. Upon receiving a Multimedia Broadcast and Multicast Service (MBMS) service or a unicast service, a User Equipment (UE) performs cell search separately for each frequency band in an overlapping region between an MBMS-dedicated frequency band and a unicast service-available frequency band. In a first example, the UE allocates different cell identification codes for each cell according to types of the corresponding frequency bands to perform cell search. In a second example, the UE uses the system information broadcasted from the network over P-BCH to indicate whether each cell belongs to the MBMS-dedicated frequency band.

In an apparatus and paging method for a broadcast and multicast service (MBMS) in a mobile communication system, a network transmits a terminal paging indication channel (PICH) frame and an MBMS paging indication channel (MICH) frame such that the MICH frame is transmitted after a certain time from the transmission of the PICH frame. A mobile terminal receives the PICH frame during a discontinuous reception (DRX) cycle, and only when MICH indication information is included in the PICH frame does the mobile terminal recieve the MICH frame. Thus, power consumption of the mobile terminal is considerably reduced.

A data transmission method transmits data to a group of receiving communication devices in a communication system comprising at least one cellular network. The method includes defining, by an application server situated beyond a cellular network, a group of receiving communication devices in the cellular network, the application server having no visibility to locations of receiving devices in the cellular network. The method also includes receiving, in a broadcast / multicast network entity configured to provide broadcast and multicast services in the cellular network, data to be transmitted from the application server to the group. The method also includes transmitting the data from the broadcast / multicast network entity to the group using broadcast and / or multicast transmission. Furthermore, a network entity in a cellular network and a communication system are provided configured to implement the method.

A method of handling multimedia broadcast and multicast service (MBMS) transmission and reception for a mobile device in a wireless communication system is disclosed. The method includes enabling a plurality of component carriers, and applying a multi-media broadcast over a single frequency network (MBSFN) allocation on a first enabled component carrier and not on the rest of the enabled component carriers when the mobile device receives the MBSFN allocation on the first enabled component carrier.

The disclosure discloses a method, User Equipment (UE) and a system for realizing service continuity of a Multimedia Broadcast and Multicast Service (MBMS). The method comprises that: when a UE that is receiving or is interested in receiving the MBMS service moves, if the UE is in an idle mode, the UE selects a target cell with a same frequency as the MBMS service to perform a cell reselection or the UE uses a frequency of the MBMS as a highest-priority frequency to perform a cell reselection; if the UE is in a connected mode, a network side selects a target cell with a same frequency as the MBMS service to perform a handover according to an MBMS receiving state reported by the UE. With the disclosure, the MBMS service experience of users can be improved.

The invention provides a collocation method of multimedia broadcast and multicast service. The collocation method which is based on an orthogonal frequency division multiple access system comprises the following steps of collocating different subcarrier distances corresponding to a unicast service subframe and a multicast service subframe in a radio frame. The embodiment of the invention also provides a data transmission method and a device of the multimedia broadcast and multicast service. By adopting the collocating method, the data transmission method and the device, the combined gain is increased, and the link performance of cell-edge users is improved.

The method for supporting continuous reception of enhanced broadcast service data comprising steps of: an MCE receiving an “MBMS Session Start Request” message from a core network; after the MCE receives the message, transmitting a response message to the core network; MCE transmitting an “MBMS Session Start Request” message to an ENB, the message including information of adjacent cells; and the ENB broadcasting the information of adjacent cells on a current cells. With the scheme of present invention, if a user wants to move to a common cell when he / she receives MBMS service in an SFN edge cell, he / she can enter the active mode and switch into the common cell so as to reduce MBMS data loss. When a UE moves from a cell with SC-PTM transmission mode into a cell with SC-PTM transmission mode, data loss can also be reduced.

Methods are provided for transmitting BCMCS in mobile broadband wireless cellular systems under development.

The present invention relates to multimedia broadcast and multicast services, MBMS, in a cell wherein variable transmission bandwidth is employed. In particular the invention relates to transmission of MBMS control information relating to broadcast and multicast services. According to the method and arrangement of the invention the manner in which the transmission of MBMS control information is performed and / or the content of the MBMS control information is determined based on the amount and the portion of the cell bandwidth that is used for MBMS transmission.

A mobile communications device with a wireless module and a controller module is provided. The wireless module performs wireless reception from a service network on a plurality of component carriers configured by the service network. The controller module selects a first component carrier from the plurality of component carriers providing the same multimedia broadcast and multicast services (MBMS) content and controls the wireless module to receive the MBMS content on the first component carrier.

Provided is a method for reporting multimedia broadcast and multicast service (MBMS) information by a terminal in a wireless communication system. The method comprises: determining whether or not to permit the logging of MBMS information; logging the MBMS information if the logging of the MBMS information is permitted; and reporting the logged MBMS information to a network. Whether or not to permit the logging of the MBMS information is determined on the basis of logging scope.

A radio communication scheme applicable to UMTS providing packet data services, such as multimedia broadcast and multicast services (MBMS), to one or more users by modifying (augmenting) certain existing radio communication protocols while employing a new transport channel (a point-to-multipoint DSCH), and / or by establishing new physical downlink shared channels (C-PDSCH and D-PDSCH). An RLC layer is provided in a single CRNC so that the same MBMS can be transmitted to a plurality of terminals via a point-to-multipoint DSCH, without having to repetitively provide many RLC layers in many SRNCs. Alternatively, a C-PDSCH (physical downlink shared channel for control) and a D-PDSCH (physical downlink shared channel for data) are established to allow periodic transmission of MBMS, permitting users to simultaneously access one or more MBMS.

A method and apparatus for multimedia broadcast and multicast service (MBMS) counting is provided. A user equipment (UE) may transmit selected service information to a multi-cell and multicast coordination entity (MCE) through a target evolved node base station (eNB), every time that a service requiring counting is received or cancelled and thus, the MCE may accurately manage a number of UEs that receive a service for each eNB. Also, the use may transmit selected service information to the MCE through the target eNB every time that the UE enters a new cell and thus, the MCE may accurately manage a number of UEs that receive a service for each eNB.

This invention provides a paging method for Multimedia Broadcast / Multicast Service in mobile communication system. The paging process and radio resource setup process are merged in this method to try to reduce uplink responses. This invention extends existing PCH IubFP frame structure by adding MBMS Indication bit(MI) to PCH IubFP frame. The PCH IubFP frame includes Paging Indication (PI) and Paging Message. Paging message carries MBMS service information. MBMS Service Identity or MBMS Paging Indicator is added to the reserved 12 bits in Paging Indicator Channel (PICH) frame structure. Radio Network Controller (RNC) transfers Paging Indicator Message and paging message to Base Station (Node B) so as to send over the air-interface.

A channel type switching method for Multimedia Broadcast and Multicast Service (MBMS) point-to-point (P-t-P) channel and point-to-multi point (P-t-M) channel is provided. When a user equipment (UE) moves to a cell in a drift radio network controller (DRNC) with an Iur interface, the DRNC decides to switch between a common channel and a dedicated channel and then notifies a serving radio network controller (SRNC) of MBMS channel type and common channel parameters.

A method for scheduling multimedia broadcast and multicast service (MBMS) transmissions in radio frames comprising subframes comprises receiving a plurality of different multimedia broadcast and multicast service (MBMS) user data for broadcasting to a plurality of wireless communication units. The method further comprises scheduling the different MBMS user data for broadcasting in respective subframes within a first radio frame; and scheduling a different subframe order of the different MBMS user data for broadcasting in respective subframes within a second radio frame wherein the varied subframe order is based on the MBMS service to be broadcast.

Provided is an apparatus and method for providing a Multimedia Broadcast and Multicast Service (MBMS) in a wireless communication system, e.g., a 3rd-Generation Partnership Project (3GPP) Long-Term Evolution (LTE)-Advanced mobile communication system. The method for providing an MBMS in a mobile communication system includes: multiplexing MBMS traffic channels providing MBMS traffic data and an MBMS control channel proving control information of MBMS into a downlink-shared channel; processing and transmitting data of the downlink-shared channel to be transmitted through a physical downlink-shared channel of a physical channel; and generating and transmitting a physical downlink control channel which includes identifiers for indicating MBMS data and information to designate a receiving terminal of data transmitted through the physical downlink-shared channel.

The invention discloses a method and a device for transmitting multimedia broadcast and multicast service (MBMS) control data. When the MBMS control data is sent, subframes for carrying MSBM broadcast channels and synchronizing channels all adopt a method and a device for sending with a single cell, thereby avoiding the problem that UE in a cell of two multicast broadcast single frequency network (MBSFN) overlapped areas cannot determine how to deploy physical broadcast channels on the premise of guaranteeing lower sending complexity. Furthermore, physical multicast control channel (P-MCCH) is also transmitted by the subframes, thus the problem that the UE of a non-overlapped part of an area covered with overlapped MBSFN cannot receive specific MBMS data after receiving P-MCCH and secondary multicast control channel (S-MCCH) is further solved so as to reduce the complexity for sending the MBMS control data of a system under the condition of covering different MBSFN areas.

The invention provides a method and user equipment for monitoring a multimedia broadcast and multicast service. The method comprises the steps of: monitoring MBMS notification messages on a PDCCH by UE which is receiving or is interested in receiving MBMS through a way of PTP; and acquiring information on a corresponding MCCH by the UE according to the monitored notification messages. In the invention, relevant information of the MBMS on the corresponding MCCH is acquired through monitoring the MBMS notification messages on the PDCCH, which solves the problem existed in the prior art how the MBMS in an MBSFN area is monitored by the UE which is receiving or is interested in receiving the MBMS through the way of PTP, thereby enabling the UE which receives services in a unicast way can also execute relevant MBMS in a multicast manner and improving the utilization rate of network resources.

The invention discloses a configuration method for single frequency network area, which is used to realize dynamic and semi-static configuration of single frequency network area. The method is: multicast coordinate entity MCE receives message sent by multimedia broadcast and multicast service MBMS wireless resource application entity; the mentioned MCE determines whether to expand single frequency network area based on the message, and ensure MBMS wireless resource application entity that needs to be added into single frequency network area; and sends wireless resource assigning information to MBMS wireless resource application entity that needs to be added into single frequency network area. The invention also discloses a communication system, MCE, MBMS wireless resource application entity and user device.

A base station, user terminal, computer readable medium and method for accepting an uplink channel, for a point-to-multipoint (P-t-M) multimedia broadcast and multicast service (MBMS) transmission mode, from multiple user terminals to a base station, the base station serving the multiple user terminals in a communication network. The method includes: setting up a downlink MBMS traffic channel (MTCH) from the base station to the multiple user terminals; transmitting first data from the base station via the MTCH channel in the P-t-M mode, wherein the P-t-M mode pushes data from the base station to the multiple user terminals; receiving from the multiple user terminals messages via an uplink MBMS Feedback Channel (MFCH), wherein the messages indicate whether the first data transmitted from the base station has been decoded successfully or not at the multiple user terminals; and deciding whether to transmit second data or retransmit the first data from the base station to the multiple user terminals based on the received messages.

The invention relates to a method for receiving multimedia broadcast and multicast service, comprising the following steps of: receiving MBSFN / IMB (Multicast Broadcast Single Frequency Network) / (Integrated Mobile Broadcast) carrier measuring information issued by a network side by a terminal and carrying MBSFN / IMB carrier signal quality standard; measuring the MBSFN / IMB carrier by the terminal and comparing the measuring result with the MBSFN / IMB carrier signal quality standard; receiving MBMS (Multimedia Broadcast Multicast Service) by using the MBSFN / IMB carrier if the measuring result reaches the MBSFN / IMB carrier signal quality standard; and avoiding using the MBSFN / IMB carrier to receive the MBMS if the measuring result fails to reach the MBSFN / IMB carrier signal quality standard. The invention also provides a corresponding terminal and a system including the terminal and a network side network element. The invention can solve the problem of the continuity for receiving the MBMS when the UE (User Equipment) moves in different carrier covering regions.

Embodiments of the disclosure relate to a block chain unicast / multicast network, a block chain device and a communication method thereof in a mobile broadband network. A method executed at a block multicast node of a block chain network includes obtaining and validating new block information. The method further includes steps of generating different types of block multicast messages in response to the validated new block information and on the basis of the type of the block node in a multicast area and the new block information, and sending the different types of block multicast messages to a multimedia broadcast and multicast service (MBMS) node in the mobile broadband network such that the messages are broadcasted to a plurality of block nodes via the mobile broadband network. The embodiments of the disclosure synchronize the latest block chain to all the nodes through the MBMS multicasting, which effectively solves the problem that a traditional P2P network occupies too many network resources and easily causes a network storm. In addition, the block chain nodes rapidly synchronize a block chain through MBMS multicasting, which has the advantages of good real-time performance and easy implementation.