38 results about "Broadcast multicast" patented technology

The application provides a power control parameter determination method and device. The method comprises: a terminal acquiring relevant parameters of unicast and relevant parameters of multicast; and the terminal determining a power control parameter of a physical uplink control channel (PUCCH) according to the relevant parameters of unicast and the relevant parameters of multicast. According to the embodiment of the application, the terminal determines the power control parameter of the PUCCH channel used for transmitting the HARQ-ACK codebook of the broadcast multicast according to the relevant parameters of unicast and the relevant parameters of multicast, so that the terminal can better perform power control, thereby realizing power efficiency maximization, meeting the demand of PUCCH transmission power requirement, and saving power.

The application proposes a method for parsing and mapping emergency broadcast messages to 3GPP broadcast, taking the emergency information adaptation device as a heterogeneous system core gateway, receiving the emergency broadcast messages conforming to the GY / T 385-2023 specification and performing validity verification, realizing accurate mapping of core fields such as message identification, level, coverage area, content, time parameter, etc. to corresponding fields of 5G multicast broadcast multimedia service, encapsulating as 5G broadcast session data according to the 3GPP TS 26.348 specification and sending to the broadcast multicast service center of the 5G core network through the standard interface. The application realizes end-to-end protocol conversion of emergency broadcast and 5G broadcast, the system is low-coupled and easy to deploy, resource utilization is efficient, and accurate and rapid delivery of emergency broadcast messages to various terminals is ensured, and the scheme has openness and interoperability.

Disclosed are a hybrid automatic repeat request-acknowledgment (HARQ-ACK) feedback method, a terminal, and a base station. The method includes: transmitting broadcast multicast scheduling signaling to a terminal for indicating the terminal to multiplex, when it is detected that a preset condition is satisfied, a first HARQ-ACK codebook corresponding to the broadcast multicast scheduling signaling on the uplink resource corresponding to unicast, the preset condition being that both a HARQ-ACK feedback slot indicated by the broadcast multicast scheduling signaling and a slot in which the uplink resource is located exist in a preset window; and receiving uplink data transmitted by the terminal through the uplink resource when the preset condition is satisfied, and obtaining a first HARQ-ACK codebook multiplexed on the uplink resource. The protocol design and complexity of HARQ-ACK feedback for broadcast multicast is simplified.

Methods for handling Media-based Modulation (MBM) in a wireless network (1000) by a Mission Critical (MC) Gateway (GW) User Equipment (UE) (300) are provided. The method includes storing information associated with an identifier at the MC gateway UE (300) in response to receiving an MC gateway Multimedia Broadcast Multicast Services (MBMS) bearer announcement from an MC client (100). The MC gateway UE (300) uses the identifier and the information to activate for monitoring the MBMS bearer by the MC gateway UE (300). Further, the method includes sending an MBMS listening status report to the MC client (100) based on the MC GW MBMS bearer announcement. Further, the method includes establishing a communication channel with the MC client (100) based on a parameter to receive an MC service data from the MC gateway UE (300), where the MC gateway UE (300) forwards the MC service data to the MC client (100).

A method includes, generating a schedule for an asset tag group, the schedule defining: a multicast trigger time for transmission of a multicast trigger to the asset tag group; and for each asset tag in the asset tag group, a transmit time succeeding receipt of the multicast trigger and unique to the asset tag, and a wake window intersecting the transmit time and the receipt of the multiact trigger. The method also includes, at the node network: broadcasting the multicast trigger; and, at an asset tag in the asset tag group, entering a wake mode; receiving the multicast trigger; transmitting a ranging signal; and entering the sleep mode. The method further includes, at the node network: receiving ranging signals from the asset tag group; and deriving locations of the asset tags in the asset tag group based on the ranging signals received by the node network.

Methods for handling Media-based Modulation (MBM) in a wireless network (1000) by a Mission Critical (MC) Gateway (GW) User Equipment (UE) (300) are provided. The method includes storing information associated with an identifier at the MC gateway UE (300) in response to receiving an MC gateway Multimedia Broadcast Multicast Services (MBMS) bearer announcement from an MC client (100). The MC gateway UE (300) uses the identifier and the information to activate for monitoring the MBMS bearer by the MC gateway UE (300). Further, the method includes sending an MBMS listening status report to the MC client (100) based on the MC GW MBMS bearer announcement. Further, the method includes establishing a communication channel with the MC client (100) based on a parameter to receive an MC service data from the MC gateway UE (300), where the MC gateway UE (300) forwards the MC service data to the MC client (100).

An evolved multimedia broadcast multicast services (eMBMS) core may map sensor data or telemetry data from a central repository server (e.g., tag it with an area code from where the data is being generated) to a service area. The eMBMS core may inform the radio access network to create a service area for the specific area code, which may be part of or an entire city, county, or the like. Then the radio access network may broadcast the data to the vehicles or devices in the specific area code.

A method and apparatus in a communication node used for wireless communication are disclosed. A first node receives a first RRC message, the first RRC message comprising a first domain, at least one second domain, and a third domain; receiving a second RRC message after receiving the first RRC message, the second RRC message including a second domain and a fourth domain; it is determined whether to apply the third domain of the first RRC message to the second domain of the second RRC message according to the fourth domain of the second RRC message. The scheme provided by the invention has the advantages that the problem of carrying configuration of broadcast / multicast, especially the problem of association between the PTP branch and the PTM branch, is solved; the stored configuration parameters are reused as much as possible, and the signaling overhead is reduced.

A base station may transmit a broadcast / multicast service in a multicast broadcast single frequency network (MBSFN) area multicast communication. A method of wireless communication at a base station in accordance with an aspect of the present disclosure comprises determining a broadcast / multicast service to be provided to a user equipment (UE) in a multicast broadcast single frequency network (MBSFN) area, and transmitting a tracking reference signal (TRS) to the UE, the TRS indicating information associated with receiving the broadcast / multicast service by the UE.

Disclosed are example embodiments of methods, apparatuses and systems supporting beam diversity for multimedia broadcast multicast services. A method may comprise receiving information of one or more beams and abeam-specific repetition pattern for at least one of the one or more beams for transmission of a service from a network device, and receiving the service on the at least one of the one or more beams based on the beam-specific repetition pattern.

Provided are sensing communication method, apparatus, and system. An apparatus such as a central device can broadcast or multi-cast or unicast query message(s), so that other apparatus(es) such as one or more sensing devices can obtain the query message(s) and respond with sensing result(s) in response to the obtained query message(s). Query may be conducted for one or more rounds. In a round, the query messages can be of different levels, and as a result, more flexible and detailed query would be achieved. Moreover, query may be conducted for several rounds, and the apparatus may broadcast or multi-cast or unicast query messages of different levels in several rounds, so that other apparatus(es) can respond with sensing result(s) in response to the obtained query messages in several rounds, where a low level / coarse level query message is for initial query, and a high level query message is for subsequent fine grained query.

Embodiments of the present disclosure provide methods and apparatuses for group message modification and cancel. A method performed by an exposure node includes receiving a group message request from an application node. When the group message request is for a modification of group message delivery and includes group message payload, the method further includes transforming the group message payload into a file. The method further includes sending the file to a second broadcast multicast node.

A two-dimensional (2D) coding method and system is described for broadcast, multicast, or groupcast applications. Two or more information code blocks (CBs) are transmitted to multiple intended receiving nodes. One or more cross CB check blocks are generated, each cross CB check block being generated based on a set of cross CB bits, the set of cross CB bits including at least one bit selected from each of at least two of the information CBs. At least one cross CB check block is transmitted to at least one of the intended receiving nodes.

Methods and procedures may be needed to enable communication and proper operation to support coexistence of low-cost WTRUs and normal WTRUs.SOLUTION: Uplink transmissions and multimedia broadcast multicast service (MBMS) may be supported in a WTRU operating on a reduced bandwidth within an overall system bandwidth by receiving an uplink (UL) resource allocation within the reduced bandwidth and sending a transmission via the UL resource allocation. The reduced bandwidth may include a small number of physical resource blocks (PRBs) that do not overlap with PRBs located at the band edge of the entire system bandwidth including the system PUCCH. The UL resources may be located at both band edges of the reduced bandwidth, may be a PRB pair at the same frequency of the reduced bandwidth, or may be a PRB pair in the first slot of the first subframe and the second slot of the second subframe of the reduced bandwidth.SELECTED DRAWING: Figure 4

Systems, methods, apparatuses, and computer program products for restoration of multicast / broadcast service upon multicast / broadcast failure with restart are provided. For example, a method may include detecting a restart of a multicast / broadcast user plane function that was supporting a packet forwarding control protocol session for a multicast / broadcast session. The method may also include re-creating a packet forwarding control protocol session for the multicast / broadcast session. The method may further include providing addressing information for the data delivery of the broadcast / multicast session to the multicast / broadcast user plane function and instructing the multicast / broadcast user plane function to use this addressing information for the broadcast / multicast session if possible.

This disclosure is directed generally to wireless communications and particularly to service area configuration at one or more granularities for broadcast / multicast related services in cellular non-terrestrial wireless networks. For example, a set of information items may be structured used to specify or indicate service areas for broadcast / multicast and public warning types of services at various level of areal granularities. Such information items may be communicated between a wireless core networks, one or more base stations, or within different functional components of a base station via a predefined messaging mechanism for pre-configuring, configuring, re-configuring, adding, or canceling service area of one or more broadcast / multicast and / or public warning services.

The present disclosure describes methods, system, and devices for determining a user equipment (UE) to perform multimedia broadcast multicast (MBMS) uplink feedback. The method includes receiving, by at least one UE, a multicast traffic channel (MTCH) transmission in a MBMS service from a radio access network (RAN). The method further includes, in response to determining that a channel quality indicator (CQI) of the UE satisfies a preset condition, determining, by the UE, to perform MBMS uplink feedback.

Embodiments of the present disclosure relate to resuming multicast / broadcast services upon multicast / broadcast failure and restart. Systems, methods, apparatuses, and computer program products for resuming multicast / broadcast services upon multicast / broadcast failure and restart are provided. For example, a method can include detecting a restart of a multicast / broadcast user plane function that is supporting a packet forwarding control protocol session for a multicast / broadcast session. The method can also include recreating the packet forwarding control protocol session for the multicast / broadcast session. The method can also include providing addressing information for data delivery for the broadcast / multicast session to the multicast / broadcast user plane function and instructing the multicast / broadcast user plane function to use the addressing information for the broadcast / multicast session if possible.

Systems and methods for broadcast / multicast transmission in a distributed cell-less massive multiple-input multiple-output (MIMO) network are disclosed. In one embodiment, a method for broadcasting / multicasting data to a user equipment (UE) includes obtaining, at each of two or more access points (APs), long-term channel state information (CSI) for the UE, and transmitting, to a central processing system, the long-term CSI for the UE. The method further includes receiving, at the central processing system, the long-term CSI for the UE from each of the APs, computing, based on the long-term CSI, a precoding vector (w) for the UE over the APs, and transmitting, to the APs, the precoding vector (w). The method further includes obtaining, at each of the APs, the precoding vector (w) from the central processing system, precoding, based on the precoding vector (w), data to be broadcast / multicasted to the UE, and broadcasting / multicasting, to the UE, the precoded data.

This application provides an information transmission method, apparatus, and network element, relating to the field of communication technology. The information transmission method, executed by a first network element, includes: sending first information to a second network element; wherein the first information is used to instruct that multicast broadcast services (MBS) supported by the first network element are allowed to use the same radio resources as MBS supported by other network elements besides the first network element, and the first network element shares the second network element with the other network elements besides the first network element. This solution enables resource sharing for broadcast multicast services under multiple PLMNs in a distributed node sharing scenario.

An adaptive feedback method, a telecommunication system, a base station and a user equipment (UE) for a telecommunication system comprising network nodes to provide multimedia broadcast multicast services (MBMS) to one or more UEs. A multicast broadcast single frequency network (MBSFN) transmission is performed to provide one or more MBMS services, a plurality of transport blocks (TBs) and a plurality of hybrid automatic repeat request (HARQ) parameters are transmitted. A first UE transmits a feedback message based on the HARQ parameters.

A terminal is provided with: a reception unit which receives, from a base station, two of a unicast PDSCH (Physical Downlink Shared Channel), a Multicast-Broadcast Service (MBS)-PDSCH (Physical Downlink Shared Channel), and a Multicast MBS-PDSCH (Multicast Broadcast Service), and a transmission unit which transmits the received data to the base station, and which transmits the received data to the base station; and a control unit that assumes that two of the unicast PDSCH, the broadcast MBS-PDSCH, and the multicast MBS-PDSCH are multiplexed in the same time slot, adjacent time slots, or both the same time slot and the adjacent time slots.

This disclosure describes a method, system, and apparatus for determining whether a user equipment (UE) is performing Multimedia Broadcast Multicast (MBMS) uplink feedback. The method includes at least one UE receiving a multicast traffic channel (MTCH) transmission in an MBMS service from a radio access network (RAN). The method further includes the UE determining to perform MBMS uplink feedback in response to determining that its channel quality indicator (CQI) meets preset conditions.

The present disclosure describes methods, systems, and devices for allocating uplink resources for multimedia broadcast multicast (MBMS) uplink feedback information. The method includes a radio access network (RAN) transmitting at least one multicast traffic channel (MTCH) transmission in an MBMS service to at least one user equipment (UE). The method also includes the RAN allocating at least one resource for the at least one UE to transmit MBMS related uplink feedback information corresponding to the at least one MTCH transmission.

Provided are a sensing communication method, apparatus, and system. An apparatus such as a central device can broadcast or multi-cast or unicast query message(s), so that other apparatus(es) such as one or more sensing devices can obtain the query message(s) and respond with sensing result(s) in response to the obtained query message(s). The sensing result(s) may include the at least one piece of sensed data and / or the at least one second sensing semantic, where the at least one second sensing semantic and / or the at least one third sensing semantic converted from the at least one piece of sensed data are included in the at least one first sensing semantic, which is generated based on at least one piece of raw sensed data and at least one semantization model preconfigured in the sensing device through communicating with the central device.

A method for flexibly transmitting and receiving broadcast and unicast services. The UE generates and sends an indication message indicating a list of expected services to the RAN node. The RAN node receives the indication message including a first expected service of a first service type such as unicast and a second expected service of a second service type such as MBMS. The RAN node determines a radio resource configuration and determines a BWP configuration. The radio resource configuration allocates a first set of sub-slots of a radio frame to the first expected service and allocates a second set of sub-slots of the radio frame to the second expected service. The BWP configuration allocates a first BWP to the first set of sub-slots and allocates a second BWP to the second set of sub-slots. The RAN node sends the configuration to the UE, and the UE receives and decodes the configuration to receive the downlink transmission.

An evolved multimedia broadcast multicast services (eMBMS) core may map sensor data or telemetry data from a central repository server (e.g., tag it with an area code from where the data is being generated) to a service area. The eMBMS core may inform the radio access network to create a service area for the specific area code, which may be part of or an entire city, county, or the like. Then the radio access network may broadcast the data to the vehicles or devices in the specific area code.

A communication method applied at a user equipment side includes receiving configuration parameters of a broadcast multicast service, wherein the configuration parameters comprise quality of service parameters, if a user equipment is in an idle state or an inactive state, then performing state transition to transition to a connected state and receiving the broadcast multicast service in the connected state.

An apparatus can broadcast or multi-cast or unicast query message(s), so that other apparatus(es) can obtain the query message(s) and respond with sensing result(s). The sensing result(s) may include the at least one piece of sensed data and / or the at least one sensing semantic, where the at least one piece of sensed data and / or at least one piece of sensed data corresponding to the at least one sensing semantic is included in one or more pieces of sensed data and matches query message(s) based on respective score of relevance of each of the at least one piece of sensed data in the sensing result(s) and / or each of the at least one piece of sensed data corresponding to the at least one sensing semantic in the sensing result(s), and for each of the one or more pieces of sensed data, a respective score of relevance is calculated.

A computer implemented method, computer readable storage medium, and computer system of operating a robotic process automation organization network comprising multiple software robots. The method includes receiving a task by a main robot via the network. The main robot is one of the multiple software robots. The task comprises a code package. The method also includes broadcasting a multicast request for services by the main robot to multiple software robots. Each robot is implemented as a computer program on individual computer systems of multiple computer systems via the network. The method further includes receiving a response by at least a portion of the multiple software robots via the network and selecting at least one worker robot from the multiple robots by the main robot and distributing at least a portion of the code package to the at least one worker robot by the main robot.