RADIO FREQUENCY SENSING WITH TRANSMIT AND RECEIVE SWAPPING IN A TIME DOMAIN DUPLEXING NEW RADIO SYSTEM

    公开(公告)号:US20250056507A1

    公开(公告)日:2025-02-13

    申请号:US18722937

    申请日:2022-01-14

    Abstract: Disclosed are techniques for radio frequency (RF) sensing by a base station operating in a time division duplex (TDD) mode and having a first antenna panel and a second antenna panel. The base station performs RF sensing and DL communication in a first sensing and DL communication mode in which the first antenna panel transmits DL symbols and the second antenna panel receives, as RF sensing signals, reflections of the DL symbols transmitted by the first antenna panel. The base station also performs RF sensing and DL communication in a second sensing and DL communication mode in which the second antenna panel transmits DL symbols and the first antenna panel receives, as RF sensing signals, reflections of the DL symbols transmitted by the second antenna panel. In some aspects, a characteristic of the channel is determined based on transmissions in both the first and second sensing and DL communications modes.

    CELLULAR NETWORK-BASED POSITIONING FOR NON-TERRESTRIAL NETWORK

    公开(公告)号:US20240251374A1

    公开(公告)日:2024-07-25

    申请号:US18293324

    申请日:2021-09-29

    CPC classification number: H04W64/00 G01S5/10 G01S13/876

    Abstract: Aspects presented herein may enable a positioning entity (e.g., a UE, a base station, a TRP, or an LMF, etc.) to take changes in propagation delay into consideration when calculating RTT or measuring Rx-Tx timing difference for signals transmitted between a UE and a non-terrestrial device. In one aspect, a UE measures a plurality of PRSs transmitted from a non-terrestrial device. The UE calculates a propagation delay change between the UE and the non-terrestrial device based on a TDOA of the plurality of PRSs. The UE transmits, to an LMF or a location server, a UE Rx-Tx time difference associated with a UE positioning session and the propagation delay change.

    MESSAGE TRANSMISSION VIA NON-TERRESTRIAL NETWORK

    公开(公告)号:US20240064851A1

    公开(公告)日:2024-02-22

    申请号:US18265886

    申请日:2021-02-26

    CPC classification number: H04W76/27

    Abstract: A UE in one of an RRC idle mode or an RRC inactive mode may generate an emergency message including one or more of GPS coordinates, a timestamp, a UE ID, a personal ID of a user of the UE, an emergency level, or an emergency type, and transmit the emergency message to an NR-NTN. The emergency message may be transmitted in a dedicated time or frequency resource. The base station may receive the emergency message from the UE and forward the UE information to a network.

    USER EQUIPMENT POSITIONING SIGNAL MEASUREMENT AND/OR TRANSMISSION

    公开(公告)号:US20230209494A1

    公开(公告)日:2023-06-29

    申请号:US17917345

    申请日:2020-05-19

    CPC classification number: H04W64/00 H04L5/0048

    Abstract: A user equipment configured for wireless signal exchange includes: a transceiver configured to transmit outbound signals wirelessly and receive inbound signals wirelessly; a memory; and a processor, communicatively coupled to the transceiver and the memory, and configured to at least one of: measure an uplink positioning reference signal received from the transceiver, the uplink positioning reference signal having an uplink channel configuration; or measure a first sidelink positioning reference signal received from the transceiver, the first sidelink positioning reference signal having a first sidelink channel configuration; or send a second sidelink positioning reference signal via the transceiver, the second sidelink positioning reference signal having a second sidelink channel configuration.

    Wake-Up Signal Collision Handling for NR Multicast

    公开(公告)号:US20230199751A1

    公开(公告)日:2023-06-22

    申请号:US17999395

    申请日:2020-07-27

    CPC classification number: H04W72/1263 H04W72/23 H04W72/566 H04W52/0229

    Abstract: Embodiments include systems and methods for managing multicast communications between a wireless device and a base station. Various embodiments may include determining whether a multicast search space (MSS) and a multicast wake-up search space (M-WSS) are scheduled by the base station to occur in a same slot, selecting either the scheduled MSS or the scheduled M-WSS for searching in the slot based on a wake-up signal (WUS) search space collision strategy in response to determining that the MSS and the M-WSS are scheduled by the base station to occur in a same slot, and monitoring a Physical Downlink Control Channel (PDCCH) for the selected one of either the scheduled MSSs or the scheduled M-WSS in the slot.

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