Abstract: Examples pertaining to a user equipment (UE) performing a cell selection during device collaboration with a wireless device are described. A UE receives a reference signal received power (RSRP) measurement result from the wireless device or from a network node of a wireless network. The RSRP measurement result includes a first list indicating at least one RSRP transmitted from at least one candidate cell to the wireless device. The UE perform a cell selection based on at least one of the first list and a second list. The second list indicates at least one RSRP transmitted from the at least one candidate cell to the apparatus. The UE determines a serving cell from the at last one candidate cell based on the cell selection.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE receives data signals originated from a base station. The data signals are transmitted by the base station on first frequency resources and not on second frequency resources. The UE measures references signals transmitted from the base station on the second frequency resources. The UE selects, based on the measured reference signals, zero or more basis vectors that span an image space of a channel matrix between the UE and the base station on the second frequency resources or a null space of the channel matrix between the UE and the base station on the second frequency resources. The UE generates channel state information including indications the selected zero or more basis vectors. The UE transmits the channel state information to the base station.

Abstract: Examples pertaining to beam capability reporting in a relay-type wireless device are described. An apparatus may serve as a relay between a user equipment (UE) and a wireless node of a wireless network. An apparatus may also report its beam capability information for a wireless link between the apparatus and the UE to the wireless node. The beam capability information may indicate one or more non-overlapped or partially-overlapped beams.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines a priority order among a first set of time-frequency resources for a first uplink channel to a base station and one or more second sets of time-frequency resources for one or more second uplink channels to one or more repeaters. The UE allocates transmission power across the first set of time-frequency resources and the one or more second sets of time-frequency resources based on the determined priority order and a maximum transmission power limit. The UE transmits signals to the base station and the one or more repeaters based on the transmission power allocation.

Abstract: A method for sidelink communication is provided. The method is applied to a first UE in a sidelink communication to transmit signals to a second UE which is a peer receiving (peer-Rx) UE of the first UE. The method includes the following steps: maintaining a counter to record how many periodic reservations remain to be used for sidelink signal transmission, wherein the periodic reservations are associated with a reservation period and each periodic reservation is associated with at least one sidelink resource; determining whether a resource re-selection condition is met before the counter counts to 0, wherein the resource re-selection condition is associated with status of receiving responses corresponding to a subset of the sidelink resources; and reselectting at least one new sidelink resource for next periodic reservations when the resource re-selection condition is met.

Abstract: A wireless device receives a first PDCCH from a base station. The first PDCCH indicates a resource allocation of a first PDSCH transmitted on a first time-frequency resource. The wireless device decodes data carried in the first PDSCH according to the first PDCCH. The wireless device obtains a resource allocation of a second PDSCH based on a mapping rule. The mapping rule maps resources of the first PDSCH to resources of the second PDSCH. The wireless device generates encoded bits for the second PDSCH. The encoded bits are based on the decoded data carried in the first PDSCH and the resource allocation of the second PDSCH. The wireless device generates reference signals associated with the second PDSCH. The wireless device transmits the encoded bits to a user equipment (UE). The encoded bits are transmitted on the resources of the second PDSCH on the second time-frequency resource.

Abstract: A method pertaining to channel state information (CSI) reporting for multiple transmission/reception-points (multi-TRP) in next-generation mobile communications involves a user equipment (UE) generating a CSI report for multiple TRPs in communications with the UE. Additionally, the method also involves the UE transmitting the CSI report to one or more of the multiple TRPs using one or multiple CSI reporting resources.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE transmits a capability report to a base station. The capability report indicates one or more capabilities of an aggregated mobile terminal (MT) formed by the UE and one or more devices each being a component device. The UE receives configurations of an initial set of reference signals from the base station. The configurations respond to the one or more capabilities. The UE transmits an initial report to the base station. The initial report indicates codebook parameters. The UE receives codebook configurations of a codebook from the base station. The codebook is for generating a downlink precoder matrix for CSI reporting or for generating an uplink precoder matrix for uplink transmission.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines a first codebook and a second codebook associated with a first antenna panel and a second antenna panel. The UE receives, from a base station, a first indication for constructing, based on the first codebook, a first precoder to be applied to the first antenna panel. The UE receives, from the base station, a second indication for constructing, based on the second codebook, a second precoder to be applied to the second antenna panel. The UE transmits, through the first antenna panel, first signals generated according to the first precoder and directed to the base station. The UE transmits, through the second antenna panel, second signals generated according to the second precoder and directed to a wireless device.

Abstract: A UE receives a first precoder indication from a base station. The first precoder indication indicates a first precoder for a first antenna panel. The UE receives a second precoder indication from the base station. The second precoder indication indicates a second precoder for a second antenna panel. The UE receives an indication of first time-frequency resources from the base station for communicating via the first antenna panel. The UE receives an indication of second time-frequency resources from the base station for communicating via the second antenna panel. The UE transmits first signals generated according to the first precoder indication through the first antenna panel on the first time-frequency resources. The UE transmits second signals generated according to the second precoder indication through the second antenna panel on the second time-frequency resources.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE receives downlink data signals from a base station on a first set of frequency resources in a specific slot. The UE transmits uplink data signals directed to the base station on a second set of frequency resources to a repeater in the same specific slot.

Abstract: Examples pertaining to transmission of at least one of beam indication information, on-off information and power control information in one control information for a repeater are described. A repeater receives a configuration indicating a control information from a network node of a wireless network. In response, the repeater determines an activation of forwarding a signal to a user equipment or to the network node. The control information includes at least one of the beam indication information, the on-off information and the power control information.

Abstract: Various examples and schemes pertaining to enhancements for sidelink (SL) resource allocation in New Radio (NR) vehicle-to-everything (V2X) communications are described. A user equipment (UE) transmits to a peer UE assistance information with respect to a result of sensing of one or more resources reserved for a SL communication. The UE then receives a transmission from the peer UE on a resource selected by the peer UE based on the assistance information.

Abstract: A method for sidelink communication is provided. The method is applied to a peer-receiving UE (peer-Rx UE) in a sidelink communication. The method includes the steps of decoding a first sidelink control information (SCI) in a first time slot from a peer-transmitting UE (peer-Tx UE) successfully, wherein the first SCI provides a resource allocation information that indicates one or more time slots allocated for one or more second SCIs to be transmitted by the peer-Tx UE; performing SCI decoding in the one or more time slots allocated for the one or more second SCIs; and transmitting assistance information when a trigger condition is met, wherein the trigger condition is based on the performing SCI decoding in the one or more time slots allocated for the one or more second SCIs.

Abstract: A UE receives second baseband signals carried on a second carrier frequency (f2) transmitted by at least one repeater. The second baseband signals carry data signals transmitted from a base station and are derived from first baseband signals carried on a first carrier frequency (f1) transmitted from the base station. The UE estimates CPEs in a first set of OFDM symbols based on PT-RSs included in the received second baseband signals. The PT-RSs are transmitted by the base station on the first carrier frequency (f1) and forwarded to the UE on the second carrier frequency (f2) through the at least one repeater. The UE detects the data signal based on the received second baseband signals and the estimated CPEs in the first set of OFDM symbols.

Abstract: A wireless device has MR RX antennas and MT TX antennas. The wireless device divides the MR RX antennas into two or more RX antenna groups for receiving signals from a UE on a first carrier frequency. The wireless device receives first signals carried on the first carrier frequency at each RX antenna group during a part of or all of a set of first transmission time intervals of a SCS. The first transmission time intervals correspond to a second transmission time interval of a second SCS. The wireless device combines the first signals received by each RX antenna group during the set of first transmission time intervals linearly based on predetermined coefficients. The wireless device maps the combined first signals to second signals carried on a second carrier frequency. The wireless device transmits the second signals carried on the second carrier frequency.

Abstract: A first repeater obtains a second set of MT baseband signals, with each baseband signal in the second set corresponding to one of the MT transmission antennas, and MT being a positive integer. The first repeater divides the MT transmission antennas into groups, with each group containing a predetermined number of antennas not exceeding NR, and NR being the number of reception antennas at a UE and a positive integer. The first repeater allocates a first subset of L second transmission time intervals associated with a second SCS to the groups of transmission antennas, with the L second transmission time intervals corresponding to a first transmission time interval associated with a first SCS. The first repeater transmits RF signals on a second carrier frequency and carrying a subset of the second set of MT baseband signals, in each interval of the first subset of the L second transmission time intervals.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a first wireless device of a group of M wireless devices. The first wireless device receives a first time domain signal from a user equipment (UE) on a first frequency band through each receiving antenna. This first time domain signal occupies a first transmission time interval (TTI1) and includes K first OFDM symbols corresponding to a first subcarrier spacing. Each first OFDM symbol represents a set of N1 modulation symbols on N1 subcarriers using the first subcarrier spacing. The first wireless device generates a second time domain signal that occupies a second transmission time interval (TTI2) and corresponds to the first time domain signal. The first wireless device transmits each second time domain signal to a base station on a second frequency band through a transmitting antenna, respectively.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE generates R layers of baseband data signals to be carried on N2 subcarriers, where N2 and R are positive integers. The UE maps each of the R layers of baseband data signals to NT antennas in some or all of L first transmission time intervals using R precoders, with each precoder containing L·NT elements, and NT and L being positive integers. The UE transmits a first OFDM-based time-domain signal corresponding to the mapped baseband data signals across the L first transmission time intervals to a base station via one or more repeaters, where the L first transmission time intervals correspond to one second transmission time interval.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a base station. The base station receives baseband signals from X devices at NR reception antennas. These baseband signals carry R layers of data signals transmitted from a UE using NT transmission antennas in L first transmission time intervals, where L, NR and R are positive integers. The base station estimates an equivalent channel response that is formed by precoders used by the UE and a channel between the NR reception antennas at the base station and L·NT effective antennas at the UE; NT is a positive integer. The base station performs signal processing based on the received baseband signals and the channel response in order to decode the R layers of data signals from the UE.