Abstract: A first wireless device receives, from a base station, downlink control information (DCI) indicating a first sidelink grant. Based on a first sidelink reference signal (RS), corresponding to the first sidelink grant, not being used for sidelink transmission to one or more destination wireless devices, the first wireless device: transmits, to the base station, feedback information associated with the first sidelink grant; and associates a first sidelink process, associated with the first sidelink grant, to a second sidelink grant, wherein the first sidelink process is associated with a hybrid automatic repeat request (HARQ) buffer of the first wireless device, identified by a first HARQ process identifier (ID) that is indicated by the first sidelink grant. The first wireless device transmits, to a first destination wireless device using the second sidelink grant, a first sidelink transmission for the first sidelink process.

Abstract: There is provided a wireless device. The wireless device receives one or more messages comprising one or more configuration parameters. The one or more configuration parameters comprise two fields for a configured uplink grant of a cell. The wireless device initiates a random-access procedure based on triggering a beam failure recovery (BFR) for two beam failure detection reference signal (BFD-RS) sets of the cell. The wireless device transmits, after completion of the random-access procedure, physical uplink shared channel (PUSCH) transmissions of the configured uplink grant using a default field among the two fields.

Abstract: Round trip time carrier phase positioning considering coherence time for initial phase offset is provided. A method for round trip time carrier phase positioning may include receiving an uplink reference signal from a user equipment and determining a coherence time of a phase-offset. The method may further include determining a round-trip time interval between a transmission time of the uplink reference signal and a reception time of a downlink reference signal, and reporting, to a location management function of a network, a carrier phase measurement and a time differential between the coherence time and the round-trip time interval.

Abstract: A wireless device receives one or more radio resource control (RRC) messages indicating a random access channel (RACH)-less handover and a configured uplink grant, wherein the configured uplink grant is configured for the RACH-less handover. The wireless device transmits an uplink transmission using a transmission power. The transmission power is based on the configured uplink grant being valid or invalid.

Abstract: A wireless device receives, via at least one of physical downlink control channel (PDCCH) candidates for PDCCH repetition, downlink control information (DCI) scheduling a downlink transmission in a downlink positioning reference signal (DL PRS) processing window (DL PPW). A wireless device receives, in the DL PPW, a transmission among the downlink transmission and a DL PRS transmission based on a PDCCH candidate that ends latest in time among the PDCCH candidates.

Abstract: A terminal device including at least one processor; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the terminal device at least to: receive, from a plurality of supporting terminal devices, information indicative of corresponding sidelink synchronization sources to which each of the plurality of supporting terminal devices is synchronized; and obtain a position of the terminal device, which is based on the indicated information of the corresponding sidelink synchronization sources.

Abstract: Geo-fenced bandwidth switching for Reduced Capability NR devices is provided. An apparatus may include at least one processor, and at least one memory storing instructions. The stored instructions, when executed by the processor, cause the terminal device at least to receive, from a network element, information comprising a plurality of characteristics of a geo-fence having two or more precision zones configured for two or more positioning uncertainties for the terminal device. The apparatus is further caused at least to apply a precision zone selected from the two or more precision zones in accordance with a current location of the terminal device in communication of a reference signal for positioning of the terminal device.

Abstract: A network device determines localization constraint(s) for an expected vertical range over which a UE may be positioned. The network device estimates vertical position of the UE. The network device compares the estimated vertical position with the localization constraint(s). The network device performs different actions depending on whether the estimated vertical position is within or outside the localization constraint(s). The network device may be the UE 110, a location server (e.g., LMF), or an LMC as implemented by the RAN node.

Abstract: A method can include receiving, by a wireless device, one or more radio resource control (RRC) messages that include parameters of an uplink signal requesting system information block 1 (SIB1) of a cell. Time division duplex (TDD) configuration of the cell can be determined based on the one or more RRC messages. For example, the parameters themselves can indicate the TDD configuration. The method can also include transmitting the uplink signal requesting the SIB1 of the cell. The uplink signal can be transmitted via one or more uplink symbols according to the TDD configuration of the cell.

Abstract: Carrier aggregation-based downlink positioning for outside of a measurement gap is provided. A method for carrier aggregation-based downlink positioning may include receiving, from a location management function, a request to report positioning measurement reporting by carrier aggregation across a plurality of positioning frequency layers. The method may also include transmitting, to the location management function according to provided rules, a positioning measurement report indicating at least one of the plurality of positioning frequency layers that the apparatus successfully measures or failed to measure.

Abstract: Embodiments of the present disclosure relate to fallback behavior for sounding reference signal (SRS) transmissions. According to embodiments of the present disclosure, a terminal device determines an activation/deactivation on the configured SRS resource in radio resource control (RRC)_INACTIVE state and behaviours of the terminal device depend on the activation/deactivation. In this way, it improves positioning accuracy for terminal devices in RRC-INACTIVE state. Additionally, it can also improve power consumption efficiency by avoiding unnecessary power consumption of the terminal device.

Abstract: A wireless device receive a radio resource control (RRC) message comprising one or more configuration parameters indicating a plurality of cyclic prefix extension (CPE) starting positions. The wireless device receives first sidelink control information (SCI) indicating a reserved resource and second SCI indicating a duration of a channel occupancy. The wireless device determines a CPE duration based on: whether the reserved resource is reserved for any resources of the sidelink transmission and a first CPE starting position from among: the default CPE starting position in response to the reserved resource not being reserved for any of the resources of the sidelink transmission and the one or more CPE starting positions. The wireless device transmits, based on a channel being idle, the sidelink transmission. The wireless device transmits, during the CPE duration, a CPE of the sidelink transmission.

Abstract: A wireless device receives, via at least one physical downlink control channel (PDCCH) candidate of PDCCH candidates for PDCCH repetition, downlink control information (DCI) scheduling an uplink transmission. The uplink transmission conflicts with a sounding reference signal (SRS) transmission. In response to the uplink transmission conflicting with the SRS transmission, the wireless device prioritizes a transmission among the uplink transmission and the SRS transmission based on a last symbol of a PDCCH candidate, among the PDCCH candidates, that ends later in time.

Abstract: Disclosed is a method comprising receiving one or more first reference signals; transmitting one or more second reference signals; receiving a message comprising at least a first vector, wherein the first vector comprises one or more values indicating one or more transmission timing changes associated with one or more transmission occasions of the one or more first reference signals within a time window; determining one or more positioning measurement values based at least partly on the one or more first reference signals and the message; determining time difference information between a reception time of the one or more first reference signals and a transmission time of the one or more second reference signals; and transmitting a report indicating the one or more positioning measurement values and the time difference information.

Abstract: Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of corresponding sidelink control information transmission to sidelink reference signal (RS) resources. The method comprises transmitting, from a first terminal device to a second terminal device, a sidelink control information transmission on a sub-channel, wherein a location of the sub-channel is corresponding to one or more time and frequency resources for a sidelink reference signal transmission; and transmitting, to the second terminal device, the sidelink reference signal transmission using the time and frequency resources.

Abstract: A first wireless device receives, from a base station, one or more messages indicating a transmission configuration indication (TCI) state for communicating with the base station. The first wireless device receives, from the base station, a control signal comprising: one or more first fields indicating a sidelink grant; and a second field indicating the TCI state. The first wireless device selects, from a plurality of wireless devices, a second wireless device for a sidelink transmission for using the sidelink grant, based on: sidelink data being available for transmission to the second wireless device; and a sidelink TCI state, for communicating with the second wireless device, being associated with the TCI state. The first wireless device transmits, to the second wireless device using the sidelink grant, the sidelink transmission based on the sidelink TCI state. The sidelink transmission comprises the sidelink data.

Abstract: According to embodiments of the present disclosure, a PRS transmission timing scheme for sidelink assisted positioning is proposed. According to embodiments of the present disclosure, the supporting terminal device measures a receiving-transmitting (Rx-Tx) time difference between receiving the downlink PRS (DL) and transmitting the sidelink (SL) PRS. The supporting terminal device transmits an indication of the RX-TX time difference to the location management device in order to reduce the impact of low synchronization issue on positioning performance as well as the use of wideband PRS for higher measurement accuracy. In this way, the positioning performance of sidelink assisted positioning has been improved.

Abstract: A wireless device transmits a sounding reference signal (SRS) in an uplink time window for SRS frequency hopping. The wireless device transmits an uplink transmission via a transmission occasion among transmission occasions for the uplink transmission. The transmission occasion is selected from among the transmission occasions based on the transmission occasion not being in the uplink time window.

Abstract: A method, apparatus and computer program is described comprising: obtaining aggregated reference signals received from multiple signal carriers over channels of a mobile communication system, said signal carriers having different carrier frequencies; initialising: a first matrix, a channel power matrix and a noise estimate; and sequentially updating: a channel impulse response estimate, said channel power matrix and said noise estimate using mathematical maximisation; a second matrix; a vector of channel frequency offset; and the first matrix. The sequential updating is repeated until a termination condition reached.

Abstract: A method comprises receiving, by a wireless device, one or more configuration parameters indicating a transmission power of a synchronization signal block (SSB) of a cell. The method comprises, before receiving a system information block 1 (SIB1) of the cell, transmitting a wake-up signal (WUS) for requesting an on-demand transmission of the SIB1 of the cell, based on the transmission power of the SSB of the cell. The method comprises, based on transmitting the WUS, receiving the SIB1 of the cell.