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.

Abstract: Embodiments of the present disclosure relate to a method, device, apparatus and computer readable medium for sidelink positioning. According to embodiments of the present disclosure, a second device transmits information related to sidelink positioning to a first device. The information indicates that the second device is able to assist with the sidelink positioning and comprises assistance information for the sidelink positioning. The first device selects at least one proper device for the sidelink positioning based on the assistance information. In this way, it improves accuracy of the sidelink positioning.

Abstract: A wireless device receives sidelink control information indicating: a first priority value and a reserved resource of the second wireless device. The wireless device determines, for a sidelink transmission, a candidate resource set in a resource pool. The wireless device selects, in the candidate resource set, a resource comprising one or more subchannels in the resource pool. The resource is selected based on: excluding, for selection of the resource, one or two consecutive resources before the reserved resource; and a second priority value, associated with the sidelink transmission, being higher than the first priority value. The wireless device performs, for the sidelink transmission, a channel access procedure on a channel comprising a resource block (RB) set of a plurality of the RB sets. The wireless device transmits, to the second wireless device and based on the channel being idle, the sidelink transmission via the resource.

Abstract: Example embodiments of the present disclosure relate to positioning enhancements. A first device receives, from a second device providing a serving cell for the first device, a configuration of a plurality of SRS triggering states associated with a plurality of SRSs on a group of bandwidth parts. The first device receives, from the second device, an indication of a target triggering state of the plurality of SRS triggering states. The first device then transmits, based on the target triggering state, the plurality of SRSs on at least a part of the group of bandwidth parts sequentially. In this way, SRS transmissions across multiple SRS resources or SRS resource sets withing multiple BWPs can be triggered in a frequency hopping manner via single DCI, which reduces the signaling overhead and latency, and improve the positioning efficiency.

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: According to an example embodiment, a client device is configured to receive a first positioning reference signal; identify an orientation of a polarisation of the first positioning reference signal based on the received first positioning reference signal; estimate an orientation of the client device based on at least the identified orientation of the polarisation of the first positioning reference signal; and provide the orientation estimate to a network node device, Devices, methods, and computer programs are disclosed.

Abstract: Disclosed is a method comprising selecting a reference point associated with a position of a terminal device (302), determining a timing offset associated with one or more first antenna panels (304), wherein the timing offset is determined based at least partly on the reference point, and applying the timing offset to the one or more first antenna panels (305).

Abstract: A method, a device, an apparatus, and a non-transitory computer readable medium are provided. The method comprises: performing, at a first device, an exchange of panel information between the first device and a second device (310); determining, based on the exchange of the panel information, whether one or more receiving panels at the first device and at least one transmitting panel at the second device are available for a positioning (320); performing the positioning measurement of the first device based on the determined availability (330). By the panel information exchange and the panel selection mechanism for the positioning measurement proposed in the method, higher accuracy of positioning can be achieved.

Abstract: Systems, methods, apparatuses, and computer program products for enhanced positioning protocol for earner aggregation beam selection are provided. A method may include receiving, from a network element, a set of carrier frequencies for a positioning reference signal transmission from a network node. The method may also include receiving a request for a beam count per carrier frequency in the set of carrier frequencies. The method may further include reporting, in response to the request, a table or indexed list including a mapping between a total number of beams and a carrier frequency of the set of carrier frequencies. In addition, the method may include receiving information about a selected transmission beam for one of the set of carrier frequencies.

Abstract: Embodiments of the present disclosure relate to for positioning. A first device receives configuration information associated with a first RS for positioning the first device, from a second device in the radio access network. The configuration information comprises frequency hopping configuration associated with transmission of the first RS. The first device receives a second RS for positioning the first device from the second device on a first frequency hop and a second frequency RS hop overlapping with the first frequency hop in frequency domain. The first device causes pre-compensation for the transmission of the first RS to be performed based on a phase offset obtained from the received second RS. The first device transmits the first RS to the second device based on the configuration information.