Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a message indicating, for each or multiple partial bands, a set of possible channel state information reference signal (CSI-RS) configurations. The UE may further receive downlink control information (DCI) from a base station, which may indicate a set of downlink resource associated with a first partial band. The UE may select a first CSI-RS configuration from the set of possible CSI-RS configurations for the first partial band based on the DCI, and when the base station transmits CSI-RS, the UE may obtain CSI-RS measurements over the first partial band during the set of downlink resources using the selected first CSI-RS configuration.

Abstract: Dynamic configuration of multiple radios of an access point is described. An example of an access point includes a processor; a memory; hardware filters; and a first set of radio chains and antennas, the access point including a first radio mode for operation as a single radio on a first channel to service a first BSS and a second radio mode for operation as a first radio on the first channel and a second radio on a second channel to perform an additional service, wherein the access point is to provide dynamic configuration of the radios including, upon determining that operation of the first channel to service the first BSS is not compatible with a particular hardware filter of the first radio, migrating the first BSS from the first radio to the second radio to service on the second channel, and providing the additional service on the first channel.

Abstract: A method for transmitting data, applicable to a data transmitting end with a plurality of unlicensed channel resources, includes: determining a first unlicensed channel resource which is idle from the plurality of unlicensed channel resources; setting the first unlicensed channel resource as a first working channel resource for data transmission; and transmitting data over the first working channel resource.

Abstract: Aspects of the subject disclosure may include, for example determining that a first connection between a first device and a wireless access point is not functional, wherein a non-functional connection between the first device and a backhaul network causes the first connection between the first device and the wireless access point to become not functional. Information is received from a second device via a second connection, wherein the second connection includes a wireless connection via a dedicated channel of a radio access network of the second connection. The dedicated channel will not be released while providing service via the second connection, the information being provided to the first device via a wireless channel. Other embodiments are disclosed.

Abstract: A method for selecting at least one channel for a network element in a shared spectrum communication system is provided. The method includes identifying a plurality of candidate channels of a frequency band of the shared spectrum communication system. For each channel of the plurality of channels, the method further includes: evaluating the channel based on one or more of a plurality of criteria for the network element; scoring the channel based on the evaluation of the channel for the network element; and ranking the plurality of candidate channels based on the assigned scores for each of the plurality of channels. The method further includes selecting at least one channel based on the ranking of the plurality of candidate channels.

Abstract: Apparatuses, methods, and systems are disclosed for determining a maximum power reduction for non-contiguous radio resource allocations. One apparatus includes a processor that receives a non-contiguous resource allocation and calculates a fraction of resource block punctured from a smallest containing contiguous allocation (“SCCA”). Here, the SCCA is the smallest set of contiguous resource blocks that encompasses the non-contiguous resource allocation. The processor determines a first additional maximum power reduction for the non-contiguous resource allocation in response to the fraction of punctured resource blocks being less than a threshold value. The apparatus includes a transceiver that transmits an uplink signal on the non-contiguous resource allocation using the first additional maximum power reduction in response to the fraction of punctured resource blocks being less than the threshold value.

Abstract: A terrestrial communication systems, specifically a signal collision avoidance system between a terrestrial transmitter and an airborne receiver, is disclosed. The terrestrial communication system includes an electronic processor configured to determine a receive frequency from a nearby airborne receiver, determine a transmit frequency from a communicatively coupled terrestrial transmitter, and modify the transmit frequency of the terrestrial transmitter based on the determined receive frequency and transmit frequency. To modify the transmit frequency, the electronic processor compares the receive frequency and the transmit frequency to determine a channel type. Based on the determined channel type, including co-channel and adjacent-channel, the electronic processor modifies a spectrum signature of the transmit frequency so that the transmit frequency does not interfere with the receive frequency of the airborne receiver.

Abstract: Wireless communications systems and methods related to reducing user equipment (UE)-to-UE cross-link interference are provided. A user equipment (UE) may receive from a base station (BS), a time-division-duplexing (TDD) pattern. The UE may establish a guard band on uplink resources from resources specified in the TDD pattern. Alternatively, the UE may reduce power to uplink resources from the resources specified in the TDD pattern. The UE transmits the resources using a carrier and as specified in the TDD pattern.

Abstract: A push notification delivery system includes a server system including a processor, a network interface, and memory storing program instructions having code segments for receiving a received push notification, code segments for determining at least one of a favorable push time and a favorable message format based upon a database of received push information developed from a plurality of prior sent push notifications, and code segments for pushing the message to the destination in accordance with the at least one of a favorable push time and a favorable message format. A method for delivering push notifications includes receiving a received push notification including a message and a destination, sending a sent push notification derived from the received push notification to the destination in accordance with at least one favorable condition, receiving received push information related to the sent push notification, and storing the received push information in a database.

Abstract: A dual band LTE small cell base station communicates on both licensed bands and unlicensed bands. The small cell base station modifies the communication protocol utilized by the licensed band to enable communication over an unlicensed band. This modification involves replacing the physical (PHY) layer of the licensed band communication protocol with the PHY layer of a to-be-used protocol in an unlicensed band.

Abstract: A system includes a base station, an antenna coupled to the base station, and an antenna line device coupled to the antenna. The antenna line device is Internet Protocol (IP) addressable and is configured to receive a control signal from a controller.

Abstract: Assessing signaling characteristics for wireless receivers after being deployed within a service area is contemplated. The wireless receivers may be assessed for purposes of optimizing signaling interactions according to measurements generated during normal operating conditions and/or as a function of actual usage as opposed to estimates or other approximations generated prior to deployment.

Abstract: A method and a network entity in a wireless communication system sharing spectrum resources. The method includes identifying a coordination phase to identify at least one neighboring network entity using the shared spectrum resources and perform reservation of the shared spectrum resources and transmitting, during the coordination phase, a coordination request message to the at least one neighboring network entity. The method further includes receiving, during the coordination phase, a coordination response message from the at least one neighboring network entity and determining an amount of the shared spectrum resources to reserve based on the coordination response message. The method further includes transmitting, to at least one terminal in a cell of the network entity, a data transmission using at least some of the determined amount of the reserved resources.

Abstract: Systems and methods to establish and execute market-driven variable price offerings among the lenders and borrowers in a bandwidth-sharing ad hoc network for shared bandwidth usage. The method comprises establishing and executing market-driven variable price offerings among lenders and borrowers. A bandwidth-sharing ad hoc network for shared bandwidth usage is formed based on the established and executed market-driven variable price offering.

Abstract: This application discloses a communication method. The method includes: comparing, by a second transmit end device, a second bandwidth carrying at least one second service transmission and a first bandwidth, wherein the first bandwidth is used by a first transmit end device within a first specified time period on an unlicensed frequency band to complete first service transmission, the at least one second service transmission started in a remaining time period of the first specified time period after the first service transmission is completed; performing channel listening on the second bandwidth based on a result of the comparison; and performing, by the second transmit end device, the second service transmission on the second bandwidth if the second bandwidth is found to be in an idle state. In addition, a corresponding transmit end device is disclosed. This application discloses a channel listening mechanism applicable to a flexible-bandwidth scenario.

Abstract: The frequency spectrum management apparatus includes a processing circuit, and the processing circuit is configured to: determine, in response to a frequency spectrum resource request from one or more secondary systems, available frequency spectrum information about each secondary system; determine, according to frequency spectrum management information from the one or more secondary systems, a managed secondary system managed by a frequency spectrum coordination apparatus and a non-managed secondary system not managed by the frequency spectrum coordination apparatus; determine, based on system information about the managed secondary system, a non-managed secondary system, the interference thereof with respect to the managed secondary system exceeding a predetermined threshold value, to be an interference secondary system; and acquire system information, about the interference secondary system, to be sent to the frequency spectrum coordination apparatus, so that the frequency spectrum coordination apparatus c

Abstract: Disclosed in one embodiment of the present invention is a method by which a terminal selects a resource on a plurality of component carriers (CCs) and transmits a signal in a wireless communication system, and the method for transmitting signals on a plurality of CCs comprises the steps of: performing sensing on an anchor CC for a first time period; performing sensing on a non-anchor CC for a second time period; allowing a terminal to select, at the ending times of the first time period and the second time period, a resource through which a signal is to be transmitted on the anchor CC; and transmitting a signal through a resource selected on the anchor CC and a resource on the non-anchor CC, which is connected by the resource selected on the anchor CC, wherein the second time period should be included in the first time period, and the ending times of the first time period and the second time period are the same.

Abstract: A communication control device including: a management unit configured to manage one or more first wireless communication devices; and an information exchange unit configured to exchange, with another communication control device that manages one or more second wireless communication devices, information related to frequency sharing by the second wireless communication devices. The information related to frequency sharing includes information related to a frequency band in which high-priority access can be made.

Abstract: Wireless communications systems and methods related to channel access for discovery reference signal (DRS) transmissions in a spectrum shared by multiple network operating entities are provided. A first wireless communication device identifies a plurality of allowable transmission starting locations within a DRS measurement time configuration (DMTC) window, where at least one of the plurality of allowable transmission starting locations is offset from boundaries of a plurality of transmission slots of the DMTC window. The plurality of allowable transmission starting locations is associated with an allowable number of category 2 (CAT2) listen-before-talks (LBTs) within the DMTC window and a duration of the DRS transmission. The first wireless communication device communicates, with a second wireless communication device, a DRS beginning at a first transmission starting location of the plurality of allowable transmission starting locations.

Abstract: Disclosed is a method for transmitting an uplink signal by a terminal in a non-licensed band. In particular, the method comprises: performing a clear channel assessment (CCA) on the non-licensed band; and transmitting the uplink signal on a specific slot on the basis of the result of performing the CCA, wherein when the specific slot is a random access channel (RACH) slot, the uplink signal is transmitted on the basis of a default timing advanced (TA) value for RACH signal transmission.

Abstract: In an embodiment, a method may include transmitting, by a priority access user, one or more registration request messages to a spectrum access system. The method may further include receiving, by the priority access user, one or more registration response messages from the spectrum access system. The one or more registration response messages may contain an indication that the spectrum access system has time granular sharing capability. The method may further include transmitting, by the priority access user, one or more heartbeat messages to the spectrum access system. The one or more heartbeat messages may contain an indication of a heartbeat interval. The method may further include receiving, by the priority access user, one or more heartbeat response messages from the spectrum access system. The heartbeat response messages may contain an indication of a heartbeat interval that is longer than the indication of the one or more heartbeat messages.

Abstract: A system includes at least one computer-readable storage medium storing a set of instructions and at least one processor in communication with the at least one computer-readable storage medium. When executing the instructions, the system is directed to receive, from a user of a second wireless network, a request to transmit second wireless network data over a first wireless network and determine a protocol based on one or more parameters associated with the first wireless network and the second wireless network for transmitting the data. The protocol may indicate a resource allocation between second wireless network data transmission and first wireless network data transmission. The system is further directed to obtain information related to a first spectrum of the first wireless network for transmitting the second wireless network data based on the protocol and transmit, to the user, the information related to the first spectrum.

Abstract: A measuring robot (1) measures radio waves using a radio wave measuring unit (11) at a measurement point. A self-propelled route control unit (14) controls, in a case that reliability of communication using the radio wave at the measurement point is determined to be low based on one or more of a measurement result by the radio wave measuring unit (11) and information on an obstacle detected by a terrain/obstacle/position detection sensor unit (12), a radio wave measuring unit (11) to measure the radio wave more precisely compared to the measurement of the electromagnetic wave in a case that the reliability of the communication using the radio wave is determined to be high.

Abstract: A self-optimizing interval detection data structure is provided herein. A data storage system as described herein can include a memory that stores computer executable components and a processor that executes computer executable components stored in the memory. The computer executable components can include a candidate assignment component that maps properties of a resource of the data storage system to respective candidate data structures; a latency estimation component that estimates respective latencies associated with the respective candidate data structures; and a selection component that selects a candidate data structure of the respective candidate data structures having a latency that is less than a threshold latency, resulting in a selected data structure.

Abstract: An apparatus includes at least one communication module; a memory; and a processor operably connected to the at least one communication module and the memory.

Abstract: Various communication systems may benefit from appropriate handling of uplink communications. For example, certain wireless communication systems may benefit from an uplink coverage extension for unlicensed band operation. A method can include configuring a first interlace having a first starting physical resource block. The method can also include configuring a second interlace having a second starting physical resource block offset from the first physical resource block. The method can further include transmitting or receiving a signal based on a combination of the first interlace and the second interlace. The combination can include at least one cluster but less than two clusters in each measurement interval.

Abstract: A method for transmitting information includes: determining a target frequency range involved in an in-device interference in user equipment when the in-device interference is likely to occur, the target frequency range including a target downlink frequency range and at least one target uplink frequency range; adjusting a transmission resource configuration within the target frequency range; and transmitting information over a transmission resource after adjustment of the transmission resource configuration within the target frequency range, to avoid occurrence of the in-device interference.

Abstract: The present invention discloses a data sending method and a communications device. The method includes: sensing, by a communications device, a carrier located in a first unlicensed frequency band, where the first unlicensed frequency band includes at least one carrier; and sending, by the communications device, data on a carrier whose channel state is sensed to be idle. The communications device senses a first carrier in the first unlicensed frequency band, and sends the data on the first carrier that is successfully sensed to be idle. Another communications device may also sense in the first unlicensed frequency band, and send data in the first unlicensed frequency band when sensing successfully. Therefore, users of different services may fairly contend and coexist in an unlicensed frequency band.

Abstract: A radio frequency spectrum management system and method for detecting and redirecting interfering radio frequency signals includes one or more radio frequency spectrum management device, each device having an antenna to scan a device area of influence and detect interfering radio frequency signals. A radio frequency spectrum management device also includes a controller to analyze detected interfering radio frequency signals and to delineate operative parameters for redirecting clearance signals. A radio frequency transmitter transmits redirecting clearance signals over the device area of influence via the antenna, in accordance with the operative parameters for redirecting clearance signals delineated by the controller. A radio signal amplifier boosts a redirecting clearance signal to a predetermined clearance signal amplitude.

Abstract: A method, a system, and a non-transitory computer-readable storage medium are described in which a congestion control service is provided. The congestion control service provides for congestion detection and management in relation to a diversified radio access network. The congestion control service includes using a radio spectrum re-allocation mechanism pertaining to different radio access technologies of the diversified radio access network to mitigation detected congestion.

Abstract: A method is provided. The method comprises receiving design criteria for a fixed microwave network; identifying proximate interfering signals; determining whether interference levels satisfy design criteria of the fixed microwave network; and if the interference levels do not satisfy the design criteria, then optimize operating parameters of radio systems of the fixed microwave network.

Abstract: Interference on an uplink between user equipment (UE) and a network site can disrupt the communications between the two. An interference mitigation tool can mitigate the effects such interference has on the communications between the UE and the network site by selecting a mitigation action for implementation at the network site. The interference mitigation tool can receive spectrum scan data from the network site to identify the presence of interference in an operating band of the network site. The interference mitigation tool can then determine possible mitigation actions and can select a mitigation action based on a variety of factors or criteria. Additionally, the interference mitigation tool can reverse previously implemented mitigation actions if the interference is no longer impacting the network site. Further, when selecting a mitigation action, the interference mitigation tool can also consider neighboring network sites and how the selected mitigation action would impact them.

Abstract: Embodiments of the present disclosure provide methods, apparatuses and computer program products for enabling efficient uplink data transmission in a wireless communication system. A method implemented at a user equipment (UE) includes: receiving an uplink grant from a network node, the uplink grant indicating a granted resource associated with a plurality of channels; detecting availability of the plurality of channels; determining an uplink transmission parameter based on the uplink grant and a result from the detection; and transmitting data to the network node according to the determined uplink transmission parameter. Embodiments of the present disclosure may enable adaptive uplink transmission and increase uplink transmission opportunity.

Abstract: The present application is at least directed to an apparatus. The apparatus includes a non-transitory memory including instructions stored thereon for beam link pairing the apparatus to a router in a new radio. The apparatus also includes a processor, operably coupled to the non-transitory memory, capable of executing the instructions of transmitting physical random access channel (PRACH) preambles through a set of uplink transmission beams in a subframe. The processor is also capable of executing the instructions of signaling a beam ID of the set of uplink transmission beams. The processor is further capable of executing the instructions of monitoring a physical downlink control channel (PDCCH) for a random access response (RAR) including a random access radio network temporary identifier (RA-RNTI). The processor is even further capable of executing the instructions of determining the RA-RNTI corresponds to the transmitted PRACH preambles.

Abstract: Methods and apparatus for communicating in a wireless network including apparatus comprising transceiver circuitry to send and receive data in a plurality of time periods, defined by a time division duplex (TDD) time grid, to another entity, the plurality of time periods corresponding to a plurality of orthogonal frequency division multiplexing (OFDM) symbols and the transceiver circuitry being operable to switch from receive mode to transmit mode and/or from transmit mode to receive mode according to a flexible uplink and downlink allocation of the plurality of time periods; and baseband circuitry coupled to the transceiver circuitry to control the transceiver circuitry to switch during a switching interval embedded within a time period corresponding to an OFDM symbol of the plurality of OFDM symbols.

Abstract: Provided is a model parameter learning device and the like capable of learning model parameters such that the influence of a noise in input data can be suppressed. A model parameter learning device (1) alternately carries out first learning processing for learning model parameters W1, b1, W2 and b2 such that an error between data Xout and data Xorg is minimized, and second learning processing for learning model parameters W1, b1, Wm, bm, Wq and bq such that a loss function LAE is minimized.

Abstract: A node of a radio access network (e.g., a cellular network) can receive a revocation message revoking a spectrum grant (e.g., a Citizens Broadband Radio Service, CBRS, discontinuation notice). The node can determine a first group of terminals that are in communication with the node via wireless resources within the spectrum grant. The node can, in response to the revocation message, trigger respective inter-band handovers of the terminals of the first group of terminals. In some examples, a system includes a domain proxy that receives a grant message indicating the spectrum grant; notifies the node; subsequently, receives a revocation message revoking the spectrum grant; and sends a handover command to the node in response to the revocation message. The spectrum grant can be located within 3GPP band forty-eight or other bands.

Abstract: A method and an apparatus for configuring a channel carrier, user equipment and a base station are provided. The method of configuring a channel carrier includes: a message carrying channel carrier configuration information sent by a base station is received, where the channel carrier configuration information indicates at least one of numerology or TTI configuration information for a logical channel; and each carrier mapped to the logical channel and at least a numerology or a TTI configured for each carrier mapped to the logical channel are determined based on the channel carrier configuration information.

Abstract: A method of wireless communication includes receiving, by a user equipment (UE) from a base station, downlink transmissions, and performing, by the UE, a listen before talk (LBT) procedure in an LBT occasion provisioned, by the base station, for the UE immediately prior to an uplink transmission that includes an acknowledgement of a downlink transmission. The method also includes transmitting, by the UE to the base station, the uplink transmission based on results of the LBT procedure. In another aspect, a method of wireless communication includes provisioning, by a base station for all served UEs, are LBT occasion immediately prior to an uplink transmission by the UEs. The uplink transmission includes an acknowledgement of a downlink transmission. The method additionally includes transmitting, by the base station to the UEs, downlink transmissions, and receiving, by the base station, the uplink transmission.

Abstract: Techniques and apparatuses are described that enable radar modulations for radar sensing using a wireless communication chipset. A controller initializes or controls modulations performed by the wireless communication chipset. In this way, the controller can enable the wireless communication chipset to perform modulations for wireless communication or radar sensing. In some cases, the controller can further select a wireless communication channel for setting a frequency and a bandwidth of a radar signal, thereby avoiding interference between multiple radar signals or between the radar signal and a communication signal. In other cases, the controller can cause the wireless communication chipset to modulate a signal containing communication data using a radar modulation. This enables another device that receives the signal to perform wireless communication or radar sensing. By utilizing these techniques, the wireless communication chipset can be used for wireless communication or radar sensing.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for crisis communications. One of the methods includes establishing a secure connection between a crisis communications management system and a device. The method includes receiving, over the secure connection, a status update about a crisis situation. The method includes identifying a plurality of devices associated with team members assigned to the crisis. The method also includes pushing the status update to each of the plurality of mobile devices.

Abstract: A method for wireless automatic networking includes: pre-selecting N frequencies for frequency-hopping, if a relay node requires frequency hopping, then transmitting a beacon to routing nodes, if the routing nodes do not receive the beacon, then the routing nodes hop frequencies, search, and track until the beacon is received; work frequencies of the relay node, of the routing nodes, and of a terminal node are established in a shared channel; then, insofar as the transmit powers of the nodes are optimized, each routing node is tested for the presence of a frequency conflict with other routing nodes; if found, then frequencies are reassigned to the conflicting routing nodes until none of the frequencies of the routing nodes overlap each other; the relay node sequentially loads the frequencies of the routing nodes, and when frequency loading is completed for all of the routing nodes, a network enters a normal working state.

Abstract: Operating a communication system comprises providing N transmitting antennas (TA) for transmitting symbol streams (SST) and K ground receivers (GR) which may be provided with symbol streams (SST) transmitted by transmitting antennas (TA). Transmitting antennas (TA) are located with a distance from Earth (E). Ground receivers (GR) are spatially separated from each other, wherein the constraint K>N applies. The method includes: simultaneously transmitting N symbol streams (SST) by N transmitting antennas (TA), receiving a linear combination of N simultaneously transmitted symbol streams (SST) by each ground receiver (GR), respectively, determining the respective linear combination for N transmitting antennas (TA) and each of the K ground receivers (GR), respectively, deciding on the basis of the determined linear combinations which of the K ground receivers (GR) is assigned to a respective common receiver group in order to be simultaneously and with the same frequency provided with symbol streams (SST).

Abstract: A wireless transmit/receive unit (WTRU) is disclosed that comprises a processor configured to selectively enable and disable reception of downlink signaling and configured to monitor a buffer of the WTRU for data to transmit. The WTRU comprises a transmitter configured to transmit, while reception of the downlink signaling is disabled, a channel allocation request in response to data in the monitored buffer. The processor is configured, in response to the data in the monitored buffer, to enable reception of the downlink signaling to allow the WTRU to receive an uplink channel allocation. The transmitter is configured, in response to the WTRU receiving an uplink channel allocation, to transmit uplink data on an uplink channel. The processor is configured to track a time when HARQ feedback is expected to be received in response to the transmitted uplink data, and configured to receive the HARQ feedback at the expected time.

Abstract: Techniques for deploying Narrow Band Internet of Things (NB IoT) devices in wireless network(s) are discussed herein. NB IoT has several deployment modes: standalone, guard band, and in-band. Aspects of this disclosure are directed to deploying NB IoT devices in a Fourth Generation (4G) communication system to operate in a guard band mode and subsequently maintaining the deployment of those NB IoT devices in a Fifth Generation (5G) communication system to operate in an in-band mode.

Abstract: A method of a user equipment (UE) in a wireless communication network is provided. The method comprises determining a set of time and frequency domain resources to transmit a physical random access channel (PRACH) preamble over a PRACH, determining a format of the PRACH preamble, wherein the PRACH preamble includes one or more repeated preambles based on a sequence and a cyclic prefix (CP) preceding repeated preamble sequences for the one or more repeated preambles, determining a set of time and frequency domain resources to perform a listen-before-talk (LBT) operation in an unlicensed spectrum, determining whether to transmit the PRACH preamble associated with the LBT operation in the unlicensed spectrum, and transmitting, to a base station (BS), the PRACH preamble in the unlicensed spectrum based on a result of the determination of the LBT operation to transmit PRACH preamble.

Abstract: A wireless communication device and method are provided. The wireless communication device has dynamic frequency selection (DFS) capability and includes at least one wireless communication transceiver, a dedicated DFS receiver, and a controller. The transceiver performs data transmission on an operating channel. The dedicated DFS receiver is integrated in a chip with the transceiver. The dedicated DFS receiver scans for radar signals in a plurality of DFS channels besides the operating channel of the transceiver. The controller is coupled to the transceiver and the dedicated DFS receiver.

Abstract: Aspects of the present disclosure relate to techniques for multibeam PDCCH monitoring during CDRX operations. A BS may determine a configuration of one or more beams for a UE to monitor for receiving a downlink control channel from the BS, wherein the configuration is based, at least in part, on a monitoring window since the subframe in which the downlink control channel (e.g., PDCCH), indicates an initial UL, DL, or SL use data transmission for the UE. The BS may transmit, to the UE, an indication of the configuration. A UE may perform corresponding operations and may monitor one or more beams based on the received configuration.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments in the present disclosure, an operating method of a base station in a wireless communication system may include determining a transmission mode of the greatest channel capacity among a plurality of transmission modes based on first channel information of a first terminal and second channel information of a second terminal, and transmitting a transmit signal generated based on the determined transmission mode to the first terminal and the second terminal.

Abstract: Provided are a method for performing, by a first base station belonging to a first MBMS network, vehicle to everything communication (V2X communication) in a wireless communication system, and an apparatus for supporting the same. The method may comprise the steps of: transmitting information about the first MBMS network to a second base station belonging to a second MBMS network; and receiving, from the second base station, information about the second MBMS network.