公开(公告)号：US20250167965A1

公开(公告)日：2025-05-22

申请号：US18511961

申请日：2023-11-16

Applicant: QUALCOMM Incorporated

Inventor： Kangqi LIU ,  Weimin DUAN ,  Jing JIANG

IPC: H04L5/00 ,  H04L25/02

Abstract: Methods, systems, and devices for wireless communications are described. The described techniques provide for a device to distinguish between signals transmitted using frequency modulated continuous wave (FMCW) waveforms. A first wireless device may apply a frequency-domain (FD) scrambling sequence to a reference signal for transmission, and a second wireless device may receive at least a portion of the signal and de-scramble the signal using the FD scrambling sequence. In some examples, the first wireless device may transmit configuration signaling indicating the FD scrambling sequence corresponding to the first wireless device. Additionally, or alternatively, the first wireless device may transmit an indication for the second wireless device to determine the FD scrambling sequence based on identifier (ID) information (e.g., an ID associated with the first wireless device). In some examples, the first wireless device, the second wireless device, or both may use analog or digital transceivers.

公开(公告)号：US20250159612A1

公开(公告)日：2025-05-15

申请号：US18508113

申请日：2023-11-13

Applicant: QUALCOMM Incorporated

Inventor： Kangqi LIU ,  Weimin DUAN ,  Tingfang JI ,  Jing JIANG ,  Danlu ZHANG

IPC: H04W52/02 ,  H04L5/00

Abstract: The apparatus may be a wireless device configured to detect a first trigger condition at the wireless device and transmit, for a network device, a first indication to switch from a first mode of operation associated with a first data bandwidth and a first reference signal bandwidth to a second mode of operation associated with a second data bandwidth and a second reference signal bandwidth, where at least one of the second data bandwidth is smaller than the first data bandwidth and the second reference signal bandwidth is larger than the second data bandwidth, the first data bandwidth is smaller than the first reference signal bandwidth and the second data bandwidth is smaller than the second reference signal bandwidth, or the first data bandwidth is smaller than the second data bandwidth and the first reference signal bandwidth that is larger than the first data bandwidth.

公开(公告)号：US20250141614A1

公开(公告)日：2025-05-01

申请号：US18497696

申请日：2023-10-30

Applicant: QUALCOMM Incorporated

Inventor： Huilin XU ,  Weimin DUAN ,  Jing SUN ,  Yi HUANG

IPC: H04L5/00 ,  G01S7/00 ,  G01S13/00

Abstract: Disclosed are techniques for wireless communication. In an aspect, a first user equipment (UE) obtains one or more first reception characteristics of a channel sounding signal transmitted by a second UE during a first transmission occasion of a detection duration, obtains one or more second reception characteristics of the channel sounding signal transmitted by the second UE during a second transmission occasion of the detection duration, and performs one or more sensing operations based on a difference between the one or more first reception characteristics and the one or more second reception characteristics indicating a presence, absence, or movement of an object.

公开(公告)号：US20250119844A1

公开(公告)日：2025-04-10

申请号：US18480797

申请日：2023-10-04

Applicant: QUALCOMM Incorporated

Inventor： Kangqi LIU ,  Weimin DUAN

IPC: H04W52/36

Abstract: Disclosed are techniques for sensing. In an aspect, a sensing management component transmits an on-demand request for a power boost to one or more sensing nodes associated with one or more radio frequency for sensing (RF-S) operations. In a further aspect, a transmission power associated with sensing is adjusted via a power ramping scheme.

公开(公告)号：US20250088252A1

公开(公告)日：2025-03-13

申请号：US18958777

申请日：2024-11-25

Applicant: QUALCOMM Incorporated

Inventor： Weimin DUAN ,  Fei HUANG

IPC: H04B7/06 ,  H04B7/0426 ,  H04L1/1812 ,  H04L5/00

Abstract: Aspects presented may enable RF sensing to be adaptive to the environment to improve the sensing, performance, and/or the spectrum efficiency of cellular systems and the power efficiency of RF sensing nodes. In one aspect, an RF sensing node extracts one or more features for a set of objects of an area via at least one non-RF sensor. The RF sensing node transmits, to a network entity, the one or more features or at least one non-RF measurement derived from the one or more features. The RF sensing node receives, from the network entity, an RRS transmission configuration derived based on the one or more features or the at least one non-RF measurement transmitted to the network entity.

公开(公告)号：US20250056581A1

公开(公告)日：2025-02-13

申请号：US18366524

申请日：2023-08-07

Applicant: QUALCOMM Incorporated

Inventor： Kangqi LIU ,  Weimin DUAN

IPC: H04W72/40 ,  H04W72/1263 ,  H04W72/21 ,  H04W72/25 ,  H04W72/51

Abstract: Disclosed are techniques for wireless communication. In an aspect, a sidelink device may receive a configuration indicating one or more sidelink resource pools. The sidelink device may receive a request to report a radio frequency (RF) capability. The sidelink device may transmit, responsive to the request, an RF capability type of the sidelink device. The sidelink device may receive a sidelink allocation indicating a set of sidelink resources from the one or more sidelink resource pools and indicating one or more sidelink communication resources, one or more sidelink sensing resources, or both associated with the set of sidelink resources. In an aspect, the sidelink allocation may be based on the RF capability type of the sidelink device.

公开(公告)号：US20250038942A1

公开(公告)日：2025-01-30

申请号：US18359058

申请日：2023-07-26

Applicant: QUALCOMM Incorporated

Inventor： Weimin DUAN ,  Kangqi LIU

IPC: H04L5/16 ,  H04L27/26

Abstract: Techniques are provided for defining waveforms for half-duplex monostatic radio frequency (RF) sensing. An example method for performing RF sensing operations includes receiving assistance data for radio frequency sensing operations including at least a waveform time domain parameter and a waveform periodicity parameter, and performing radio frequency sensing operations utilizing the waveform time domain parameter and the waveform periodicity parameter.

公开(公告)号：US20250035772A1

公开(公告)日：2025-01-30

申请号：US18715406

申请日：2022-12-22

Applicant: QUALCOMM Incorporated

Inventor： Weimin DUAN ,  Alexandros MANOLAKOS ,  Fei HUANG

IPC: G01S13/86 ,  G01S7/00

Abstract: Radio frequency (RF) sensing of a target object by a wireless network is supported by a network node that derives one or more object features for the target object using non-RF sensor measurements and reports the object features to a server for the RF sensing. The non-RF sensors, for example, may be one or more of a camera, ultra-sound sensor, lidar, barometer, etc. The object features for the target object, which may be related to the object size, position, motion, etc. may be separately reported for each non-RF technology or may be reported as a common set of object features. The object feature report may include a time stamp, and may associate an object ID for the target object with the reported object features. Some object features may be prioritized over others, and object features that do not change may not be reported in subsequent reports.

公开(公告)号：US20250030529A1

公开(公告)日：2025-01-23

申请号：US18356540

申请日：2023-07-21

Applicant: QUALCOMM Incorporated

Inventor： Weimin DUAN ,  Hyojin LEE ,  Yu ZHANG ,  Yi HUANG

IPC: H04L5/22 ,  H04L5/14 ,  H04W72/1263 ,  H04W74/08

Abstract: Disclosed are techniques for sensing. In an aspect, a wireless node receives or determines a time-division duplex (TDD) configuration that configures a set of contiguous downlink symbols, a set of contiguous uplink symbols and a set of contiguous cell-specific flexible symbols that follows the set of contiguous downlink symbols and precedes the set of contiguous uplink symbols. The wireless node further performs a radio frequency for sensing (RF-S) operation during one or more flexible symbols of the set of contiguous cell-specific flexible symbols.

公开(公告)号：US20250012888A1

公开(公告)日：2025-01-09

申请号：US18705391

申请日：2022-11-23

Applicant: QUALCOMM Incorporated

Inventor： Varun Amar REDDY ,  Alexandros MANOLAKOS ,  Weimin DUAN ,  Danlu ZHANG

IPC: G01S5/02

Abstract: Various methods and apparatus for supporting positioning of a user equipment (UE) in a wireless network are disclosed. In some embodiments, a wireless network node may be configured to define one or more groups of antennas associated with a wireless network node, each of the one or more groups of antennas grouped according to at least a phase-based parameter correlated with an electromagnetic characteristic of a plurality of antennas; send, to a network entity, data identifying the defined one or more groups of antennas; receive configuration data from the network entity, the configuration data identifying at least one of the one or more groups of antennas; and based on the configuration data, send or receive reference signals with the wireless network node using the identified at least one of the one or more groups of antennas, the reference signals configured to be used in the positioning of the UE.