公开(公告)号：US12235378B2

公开(公告)日：2025-02-25

申请号：US17836777

申请日：2022-06-09

Applicant: QUALCOMM Incorporated

Inventor： Weimin Duan ,  Alexandros Manolakos ,  Hyojin Lee ,  Seyong Park

IPC: G01S7/00 ,  G01S13/00 ,  G01S13/56

Abstract: Radio frequency (RF) sensing of a target object by a wireless network is supported by a sensing node and a network node using sensing assistance data. The sensing assistance data may include information for Doppler estimation from received RF signals. The information for Doppler estimation, for example, may include an indication of phase coherency of RF signals, such as phase coherence found in positioning reference signal (PRS) resources, resource sets, transmission reception points (TRPs), frequency layer or any combination thereof. The sensing assistance data may include an association of PRS resources and reference point objects (RPOs) so RF signals reflected from the RPOs may be excluded from the sensing measurements. The sensing assistance data may include beam pattern information for PRS resources for beam coordination for RF sensing.

公开(公告)号：US12192037B2

公开(公告)日：2025-01-07

申请号：US16597761

申请日：2019-10-09

Applicant: QUALCOMM Incorporated

Inventor： Seyong Park ,  Wei Zeng ,  Joseph Binamira Soriaga ,  Jing Jiang ,  Tingfang Ji

IPC: H04L27/26 ,  H04J11/00 ,  H04L1/00 ,  H04L5/00 ,  H04W88/02

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to receive a plurality of combined signals. Each combined signal may be on a tone of a plurality of tones. The apparatus may be configured to determine a first pilot signal on a first tone of the plurality of tones. The apparatus may be configured to generate an interference-reduced signal for the first tone by canceling the determined first pilot signal from a first combined signal on the first tone.

公开(公告)号：US12177852B2

公开(公告)日：2024-12-24

申请号：US17810961

申请日：2022-07-06

Applicant: QUALCOMM Incorporated

Inventor： Renqiu Wang ,  Hao Xu ,  Wei Zeng ,  Seyong Park ,  Wanshi Chen ,  Peter Gaal ,  Tingfang Ji

IPC: H04W72/21 ,  H04B7/06 ,  H04L1/00 ,  H04L1/1829 ,  H04L5/00 ,  H04W52/36 ,  H04W72/0453 ,  H04W76/27

Abstract: A user equipment (UE) may map a demodulation reference signal (DMRS) sequence to a first symbol in a set of resource blocks (RBs) of an uplink long burst, and the first symbol may occur at the beginning of the uplink long burst. The DMRS sequence may be “front-loaded” in the uplink long burst. The DMRS sequence may be dependent upon RB locations. When the DMRS sequence is mapped to the beginning of an uplink long burst, uplink control information (UCI) may be mapped in a physical uplink shared channel (PUSCH). A UE may map UCI in a PUSCH after the DMRS sequence is mapped to the beginning of the uplink long burst. When the base station receives an uplink long burst including the front-loaded DMRS and the UCI mapped in the PUSCH, the base station may identify the DMRS for channel estimation/interference cancelation of the UCI carried on the PUSCH.

公开(公告)号：US20240313831A1

公开(公告)日：2024-09-19

申请号：US18575947

申请日：2021-08-18

Applicant: QUALCOMM INCORPORATED

Inventor： Abdelrahman Mohamed Ahmed Mohamed Ibrahim ,  Juergen Cezanne ,  Naga Bhushan ,  Renqiu Wang ,  Krishna Kiran Mukkavilli ,  Pinar Sen ,  Seyong Park ,  Muhammad Sayed Khairy Abdelghaffar ,  Yu Zhang

IPC: H04B7/0456

CPC classification number: H04B7/0456

Abstract: Methods, systems, and devices for wireless communications are described. A transmitter may select a precoder from a codebook for precoding one or more signals for transmission to a receiver. The transmitter may select the precoder from the codebook based on antenna configurations at the transmitter and the receiver. The precoder may be constructed using one or more Slepian sequences. In some implementations, the Slepian sequences may be associated with a quantity of transmit antennas at the transmitter. For instance, a length of each Slepian sequence may correspond to (for example, be equal to) a quantity of transmit antennas at the transmitter. Further, the Slepian sequences may be associated with a bandwidth within which to concentrate the one or more signals. Once the transmitter selects the precoder, the transmitter may precode the one or more signals and transmit the precoded signals to the receiver.

公开(公告)号：US12068901B2

公开(公告)日：2024-08-20

申请号：US17514996

申请日：2021-10-29

Applicant: QUALCOMM Incorporated

Inventor： Jing Jiang ,  Peter Gaal ,  John Edward Smee ,  Pushkar Bajirao Kulkarni ,  Hari Sankar ,  Sanghoon Kim ,  Seyong Park

IPC: H04L27/26 ,  H04W72/04 ,  H04W72/044

CPC classification number: H04L27/2614 ,  H04W72/044

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a transmitting device may perform a pre-distortion of a signal on a resource allocation for the signal and using discrete Fourier transform (DFT)-domain processing. For example, the transmitting device may perform a first frequency-domain (FD) to time-domain (TD) transform, which may be an example of an inverse DFT (IDFT), on a first set of FD symbols to obtain a first set of TD samples. A size of the first FD to TD transform may be based on the resource allocation for the signal. The transmitting device may perform a crest factor reduction (CFR) function on the first set of TD samples to pre-distort the signal in the TD (e.g., in the IDFT domain), which may enable the transmitting device to avoid out-of-band (OOB) emission or otherwise have greater control over where the pre-distortion contributes energy.

公开(公告)号：US12047935B2

公开(公告)日：2024-07-23

申请号：US17410753

申请日：2021-08-24

Applicant: QUALCOMM Incorporated

Inventor： Weimin Duan ,  Alexandros Manolakos ,  Seyong Park

IPC: H04W72/12 ,  G01S7/02 ,  H04L5/00 ,  H04W72/1268 ,  H04W72/566 ,  H04W88/10

CPC classification number: H04W72/1215 ,  G01S7/023 ,  H04L5/0048 ,  H04W72/1268 ,  H04W72/569 ,  H04W88/10

Abstract: Methods of reducing the interferences of radar signals with uplink or downlink data communication signals in a wireless system for both data communication and radar sensing may include configuring the transmitters of the radar signals and the data communication signals such that the data communication signals and the radar signals are transmitted using different radio frequency resources, and/or configuring the receivers of the data communication signals to receive the data communication signals using a receive beam that does not collide with radar beams. The methods may also include using a reference signal for both downlink data communication and radar sensing and/or determining a Quasi-Colocation (QCL) configuration for downlink data reception based on information regarding a radar beam.

公开(公告)号：US11956733B2

公开(公告)日：2024-04-09

申请号：US17581425

申请日：2022-01-21

Applicant: QUALCOMM Incorporated

Inventor： Jing Lei ,  Tingfang Ji ,  Peter Gaal ,  Xiao Feng Wang ,  Joseph Binamira Soriaga ,  Seyong Park ,  Gabi Sarkis ,  Wanshi Chen ,  Naga Bhushan ,  Ying Wang ,  Jay Kumar Sundararajan

IPC: H04W52/24 ,  H04L5/00 ,  H04W24/08 ,  H04W52/10 ,  H04W52/36 ,  H04W72/21 ,  H04W72/23 ,  H04W74/08 ,  H04W74/0833

CPC classification number: H04W52/242 ,  H04L5/0048 ,  H04W24/08 ,  H04W52/10 ,  H04W52/365 ,  H04W72/21 ,  H04W72/23 ,  H04W74/0833

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine at least one of a downlink path loss value or an uplink path loss value associated with a base station; receive system information, a semi-persistently configured grant via RRC or a dynamic uplink grant via DCI from the base station, wherein the RRC signaling or the dynamic uplink grant identifies a power control value associated with one user or a plurality of users associated with the base station; and determine a transmit power for a data or control transmission based at least in part on at least one of the downlink path loss value or the uplink path loss value and the power control value. Numerous other aspects are provided.

公开(公告)号：US11909573B2

公开(公告)日：2024-02-20

申请号：US18192967

申请日：2023-03-30

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Yi Huang ,  Seyong Park ,  Gokul Sridharan ,  Peter Gaal ,  Alexandros Manolakos ,  Xiao Feng Wang ,  Tingfang Ji

IPC: H04L27/26 ,  H04W72/21 ,  H04L5/00 ,  H04L5/02 ,  H04L27/20

CPC classification number: H04L27/2613 ,  H04L5/0048 ,  H04L5/023 ,  H04L27/2082 ,  H04L27/2671 ,  H04L27/2672 ,  H04W72/21

Abstract: Methods, systems, and devices for wireless communications are described. A device (e.g., a base station or a user equipment (UE)) may identify a sequence length corresponding to a number of resource blocks, and select a modulation scheme based on the sequence length. The device may select, from a set of sequences associated with the modulation scheme, a sequence having the sequence length. In some examples, the set of sequences may include at least one of a set of time domain phase shift keying computer-generated sequences or a set of frequency domain phase shift keying computer-generated sequences. The device may generate a reference signal for a data transmission based on the sequence and transmit the reference signal within the number of resource blocks.

公开(公告)号：US11895708B2

公开(公告)日：2024-02-06

申请号：US17414135

申请日：2018-12-18

Applicant: QUALCOMM Incorporated ,  Jing Lei ,  Seyong Park ,  Joseph Binamira Soriaga ,  Yi Huang ,  Yiqing Cao ,  Tingfang Ji ,  Juan Montojo ,  Peter Gaal ,  Wanshi Chen

Inventor： Jing Lei ,  Seyong Park ,  Joseph Binamira Soriaga ,  Yi Huang ,  Yiqing Cao ,  Tingfang Ji ,  Juan Montojo ,  Peter Gaal ,  Wanshi Chen

IPC: H04W74/08 ,  H04W74/00

CPC classification number: H04W74/0833 ,  H04W74/006

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication of a resource configuration for a random access (RA) procedure. The resource configuration may identify multiple sets of transmission resources corresponding to multiple radio resource control (RRC) states. The UE may identify an RRC state and may determine a set of transmission resources and/or a transport format based on the indication of the resource configuration, the identified RRC state, and/or a UE identifier (UE ID). The UE may transmit a first RA procedure message (e.g., a msgA) using the determined transmission resources and/or transport format. The base station may receive the message and may identify the RRC state of the UE based on the first message and transmitted indication of the resource configuration. The base station may transmit a second RA procedure message (e.g., a msgB), which the UE may receive.

公开(公告)号：US11658856B2

公开(公告)日：2023-05-23

申请号：US17347192

申请日：2021-06-14

Applicant: QUALCOMM Incorporated

Inventor： Wei Yang ,  Yi Huang ,  Seyong Park ,  Gokul Sridharan ,  Peter Gaal ,  Alexandros Manolakos ,  Xiao Feng Wang ,  Tingfang Ji

IPC: H04L27/20 ,  H04W72/04 ,  H04L27/26 ,  H04L5/00 ,  H04L5/02

CPC classification number: H04L27/2613 ,  H04L5/0048 ,  H04L5/023 ,  H04L27/2082 ,  H04L27/2671 ,  H04L27/2672 ,  H04W72/0413

Abstract: Methods, systems, and devices for wireless communications are described. A device (e.g., a base station or a user equipment (UE)) may identify a sequence length corresponding to a number of resource blocks, and select a modulation scheme based on the sequence length. The device may select, from a set of sequences associated with the modulation scheme, a sequence having the sequence length. In some examples, the set of sequences may include at least one of a set of time domain phase shift keying computer-generated sequences or a set of frequency domain phase shift keying computer-generated sequences. The device may generate a reference signal for a data transmission based on the sequence and transmit the reference signal within the number of resource blocks.