Abstract: A transceiver configured for communicating in a wireless communication network being operated so as to schedule communication in a communication channel being organized in a plurality of resources; is configured for performing long-term sensing an utilization of the channel by decoding a data traffic; for estimating a usability of resources of the channel for an own transmission based on the decoding; and for scheduling the own transmission based on the usability of the resources.

Abstract: A transceiver is configured for communicating in a wireless communication network being operated so as to schedule communication in a plurality of transmission time intervals, each transmission time interval including a plurality of resource elements arranged in a time-frequency grid. Each transmission time interval includes a control section and a data section. The transceiver is configured for transmitting, using a resource in the control section, the resource in the control section containing a reservation information indicating that the transceiver reserves a specific resource in a future transmission time interval.

Abstract: A device configured for wirelessly transmitting a signal via a sidelink of a wireless communication network, e.g., 5G New Radio, includes a control unit configured for evaluating an availability of resources of the sidelink using an evaluation parameter. The control unit is configured to adapt the evaluation parameter.

Abstract: An apparatus for a wireless communication system includes a plurality of base stations and a plurality of UEs. The apparatus is to be connected to a base station for a communication with the base station, and one or more UEs via a sidelink for a sidelink communication. The apparatus and the one or more UEs form a group of user devices. The apparatus is to request from a base station, directly or indirectly, resources for a sidelink communication with the one or more UEs of the group, and is to obtain from the base station, directly or indirectly, information about at least one set of resources to be used for the sidelink communication within the group. Each of the sets of resources is only or exclusively used within the group, and the group members include the apparatus and the one or more UEs of the group.

Abstract: An apparatus for a wireless communication system is describes. The wireless communication system includes one or more base stations and a plurality of user devices, UEs. The apparatus is configured to be connected to one or more UEs via a sidelink for a sidelink communication with the one or more UEs, the apparatus and the one or more UEs forming a group of UEs and using a set of group resources to be used for the sidelink communication within the group of UEs. In case a base station does not provide resource allocation configuration or assistance, the apparatus is configured to select resources from a set of resources provided by the wireless communication system so as to alter or completely change the set of group resources to be used for the sidelink communication within the group of UEs.

Abstract: In the field of wireless communications, approaches for a reallocation and reservation of resources for high priority communications, for a Quality of Service, QoS, feedback, and for handling certain events in a wireless communication network are described. Embodiments relate to the implementation of such approaches for entities of a wireless communication network or system performing sidelink communications like V2X Mode 3 or Mode 4 UEs. In particular, improved approaches for a reallocation and reservation of resources for high priority communications, for a QoS feedback and for handling certain events in a wireless communication network are presented.

Abstract: In the field of wireless communication systems or networks, the design of resource pools as they may be used in sidelink communications among users of the wireless communication system, for example in V2X applications, is described. In particular, an improved resource pool design, for example for resource pools to be used in sidelink communications in V2X services in view of the advantages defined by the NR 5G standard, is presented.

Abstract: A user device, UE, for a wireless communication system, like a 3rd Generation Partnership Project, 3GPP, system is described. The UE is to communicate using a sidelink, SL, using resources allocated by a base station of the wireless communication system. The UE is configured or preconfigured with at least one first SL resource pool including resources in an unlicensed spectrum. The UE is to provide to the base station occupancy information regarding the unlicensed spectrum.

Abstract: Embodiments provide a transceiver of a wireless communication network [e.g., 5G/new radio mobile communication network], wherein the transceiver is configured to transmit and/or receive a signal via a sidelink of the wireless communication network in a [e.g., 5G/new radio] virtual resource pool of the sidelink, the virtual resource pool comprising a plurality [e.g., two or more] of component carriers and/or a two or more resource pools.

Abstract: A wireless communication system includes a plurality of user devices, UEs, configured for a sidelink communication using resources from a set of sidelink resources of the wireless communication system. The plurality of UEs includes at least one transmitting UE and at least one receiving UE, the transmitting UE and the receiving UE configured to use at least a subset of the sidelink resources of the wireless communication system for the sidelink communication. The wireless communication system is configured to allow a data duplication on the sidelink, wherein the data duplication on the sidelink is activated or triggered dependent on one or more of a sidelink quality of the sidelink between the transmitting UE and the receiving UE, and/or an occupancy of the sidelink resources, and/or data received by a network element/network function, and/or the application service running on one of the UEs.

Abstract: A wireless communication system includes one or more base stations, and a plurality of user devices, UEs. The plurality of UEs includes a plurality of first UEs operating in a first mode and a plurality of second UEs operating in a second mode. The first UEs and the second UEs are configured for a sidelink communication. A sidelink transmission includes a sidelink frame having a control region and a data region. The control region includes a first control region and a second control region, the first control region for transmitting control data of a first UE, the second control region for transmitting control data of a second UE, and the first and second control regions including a plurality of a common resources.

Abstract: An apparatus for a wireless communication system is connected to at least one user device (UE) via a sidelink for a sidelink communication. For a unicast transmission, the apparatus transmits a sidelink frame having a certain frame duration. A first part of the sidelink frame includes a control signaling. The control signaling indicates to the UE whether a feedback is to be returned to the apparatus. The feedback indicates a successful reception of data at the UE or a sidelink channel condition. If a feedback is desired, the apparatus transmits in the first part of the frame, using the control signaling, an indication that the feedback is to be provided by the UE such that a duration of the control signaling is shorter, by a remaining duration, than the frame duration, and receives from the UE, during the remaining duration, the feedback.

Abstract: An apparatus for a wireless communication system includes a plurality of base stations and a plurality of UEs. The apparatus is to be connected to a base station for a communication with the base station, and one or more UEs via a sidelink for a sidelink communication. The apparatus and the one or more UEs form a group of user devices. The apparatus is to request from a base station, directly or indirectly, resources for a sidelink communication with the one or more UEs of the group, and is to obtain from the base station, directly or indirectly, information about at least one set of resources to be used for the sidelink communication within the group. Each of the sets of resources is only or exclusively used within the group, and the group members include the apparatus and the one or more UEs of the group.

Abstract: A transceiver is configured for communicating in a wireless communication network being operated so as to schedule communication in a plurality of transmission time intervals, each transmission time interval including a plurality of resource elements arranged in a time-frequency grid. Each transmission time interval includes a control section and a data section. The transceiver is configured for transmitting, using a resource in the control section, the resource in the control section containing a reservation information indicating that the transceiver reserves a specific resource in a future transmission time interval.

Abstract: A user device, UE, for a wireless communication system, is described. The UE is to transmit and/or receive over a sidelink, SL, in the wireless communication system. The UE is to receive one or more collision indications, Cis, the collision indication indicating one or more collisions on one or more resources used or to be used by the UE for one or more transmissions to or for one or more receptions from at least one further UE over the SL. Responsive to the collision indication and dependent on one or more criteria, the UE is to perform one or more certain actions for the one or more transmissions.

Abstract: In the field of wireless communications, approaches for a reallocation and reservation of resources for high priority communications, for a Quality of Service feedback, and for handling certain events in a wireless communication network are described. Embodiments relate to the implementation of the approaches for entities of a wireless communication network or system performing sidelink communications. In particular, improved approaches for a reallocation and reservation of resources for high priority communications, for a Quality of Service feedback, and for handling certain events in a wireless communication network are presented.

Abstract: A wireless communication system includes a plurality of user devices, UEs, and at least one logical group defined in accordance with one or more logical group criteria. The logical group includes a plurality of member UEs to be connected via sidelink for sidelink communication with each other, and all member UEs of the logical group have assigned the same destination identification, ID, the destination ID being unique for the logical group.

Abstract: A wireless communication system includes a plurality of transceivers. The plurality of transceivers include at least a first transceiver and a second transceiver. The first transceiver and the second transceiver are configured for a sidelink communication with each other. The wireless communication system supports a retransmission protocol for the sidelink. The retransmission protocol enables the first transceiver to perform a retransmission for a data packet, responsive to an explicit or an implicit feedback from the second transceiver, which receives one or more data packets from the first transceiver, in case of a non-successful transmission of the data packet over the sidelink.

Abstract: A wireless communication system includes a plurality of user devices, UEs, configured for a sidelink communication using resources from a set of sidelink resources of the wireless communication system. The plurality of UEs includes at least one transmitting UE and at least one receiving UE, the transmitting UE and the receiving UE configured to use at least a subset of the sidelink resources of the wireless communication system for the sidelink communication. The wireless communication system is configured to allow a data duplication on the sidelink, wherein the data duplication on the sidelink is activated or triggered dependent on one or more of a sidelink quality of the sidelink between the transmitting UE and the receiving UE, and/or an occupancy of the sidelink resources, and/or data received by a network element/network function, and/or the application service running on one of the UEs.

Abstract: A user device, UE, for a wireless communication system is described. The wireless communication system includes a plurality of user devices, UEs. The UE communicates with one or more transmitting UEs using a sidelink, supports a certain number of HARQ processes, and buffers one or more transmissions for each HARQ process. During a unicast communication with a transmitting UE using the sidelink, the UE receives from the transmitting UE a transmission during a transmission time interval, the transmission associated to control data, e.g. SCI, including a HARQ process ID, buffers the received transmission for the HARQ process, and combines the buffered transmissions prior to decoding. In case a successfully identified transmission is not buffered, the UE indicates to the transmitting UE that the transmission is not buffered at the UE.