公开(公告)号：US20230232384A1

公开(公告)日：2023-07-20

申请号：US18001676

申请日：2020-07-02

Applicant: QUALCOMM INCORPORATED

Inventor： Liangping MA ,  Xiao Feng WANG ,  Peter GAAL ,  Ayan SENGUPTA ,  Alberto RICO ALVARINO ,  Bharat SHRESTHA ,  Jun MA ,  Umesh PHUYAL ,  Dan ZHANG ,  Huilin XU ,  Yiqing CAO

IPC: H04W72/0453 ,  H04W72/23

CPC classification number: H04W72/0453 ,  H04W72/23

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify a beam used for communicating with a network entity, the beam associated with multiple bandwidth parts (BWPs) including a reference BWP with a first frequency. The UE may receive a BWP configuration from the network entity, the BWP configuration based on changing a frequency for at least one BWP of the multiple BWPs form the first frequency to a second frequency. Additionally or alternatively, the UE may identify a timing threshold associated with a BWP switching operation for multiple BWPs associated with the beam. The UE may switch from the first BWP to a second BWP during the timing threshold. The UE may communicate with the network entity according to the BWP configuration or the second BWP.

公开(公告)号：US20230109894A1

公开(公告)日：2023-04-13

申请号：US18064424

申请日：2022-12-12

Applicant: QUALCOMM Incorporated

Inventor： Iyab Issam SAKHNINI ,  Xiao Feng WANG ,  Huilin XU ,  Jun MA ,  Peter GAAL ,  Dan ZHANG

IPC: H04W74/08 ,  H04W24/08 ,  H04W72/23

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit a physical uplink shared channel (PUSCH) message associated with a random access channel (RACH) procedure to a non-terrestrial network node. The UE may monitor a physical downlink control channel (PDCCH) for a contention resolution message associated with the RACH procedure during a contention resolution window. In some aspects, the UE may start to monitor the PDCCH a variable time period after the PUSCH message is transmitted. Numerous other aspects are provided.

公开(公告)号：US20220075054A1

公开(公告)日：2022-03-10

申请号：US17446247

申请日：2021-08-27

Applicant: QUALCOMM Incorporated

Inventor： Kapil GULATI ,  Junyi LI ,  Dan ZHANG

IPC: G01S13/87 ,  G01S13/76 ,  H04W64/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive a reflection of a first radar waveform transmitted by the first UE. The UE may receive a second radar waveform from a second UE, wherein the second radar waveform is a direct transmission from the second UE or a reflection of the direct transmission. The UE may perform target detection based at least in part on the reflection of the first radar waveform and on the second radar waveform. Numerous other aspects are described.

公开(公告)号：US20220011423A1

公开(公告)日：2022-01-13

申请号：US17216191

申请日：2021-03-29

Applicant: QUALCOMM Incorporated

Inventor： Junyi LI ,  Dan ZHANG ,  Kapil GULATI

IPC: G01S13/32 ,  G01S7/288 ,  G01S13/58 ,  G01S13/50

Abstract: False alarms in RADAR processing are reduced. One or more transforms may be performed to generate an array of spectrum values for a first domain spanning at least one of a range axis, a direction of arrival (DoA) axis, or a velocity axis. One or more spectrum values may be obtained from the array of spectrum values, wherein for each of the one or more spectrum values, (1) the spectrum value is associated with a range estimate, and (2) the spectrum value exceeds a range-dependent maximum threshold established based on a quartic function of the range estimate. The one or more spectrum values identified as exceeding the range-dependent maximum threshold may be excluded, or one or more reduced-magnitude values obtained, to generate an array of modified spectrum values for the first domain, used to generate a range estimate, a DoA estimate, or a velocity estimate, or any combination thereof.

公开(公告)号：US20210385773A1

公开(公告)日：2021-12-09

申请号：US17320897

申请日：2021-05-14

Applicant: QUALCOMM Incorporated

Inventor： Liangping MA ,  Xiao Feng WANG ,  Ayan SENGUPTA ,  Alberto RICO ALVARINO ,  Bharat SHRESTHA ,  Jun MA ,  Peter GAAL ,  Umesh PHUYAL ,  Dan ZHANG ,  Qiang WU

IPC: H04W56/00 ,  H04B7/185

Abstract: Certain aspects of the present disclosure provide techniques for synchronization signal block (SSB) transmission in different frequency intervals. A method that may be performed by a user equipment (UE) includes receiving a first SSB from an entity in a non-terrestrial network (NTN) at a first time and frequency location. The method generally includes determining one or more time and frequency locations of one or more other SSBs from the entity in the NTN based on the first time and frequency location. The method generally includes monitoring for the one or more other SSBs at the determined one or more time and frequency locations.

公开(公告)号：US20210359752A1

公开(公告)日：2021-11-18

申请号：US17302516

申请日：2021-05-05

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng WANG ,  Peter GAAL ,  Alberto RICO ALVARINO ,  Jun MA ,  Qiang WU ,  Liangping MA ,  Ayan SENGUPTA ,  Dan ZHANG

IPC: H04B7/185 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a transmission frequency for an uplink transmission based at least in part on a reference point for the uplink transmission, the reference point being associated with one of: a satellite that provides a cell covering the user equipment, the satellite being associated with a non-terrestrial network, or a gateway associated with the satellite; and transmit the uplink transmission based at least in part on the transmission frequency. Numerous other aspects are provided.

公开(公告)号：US20210273719A1

公开(公告)日：2021-09-02

申请号：US16805472

申请日：2020-02-28

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng WANG ,  Jun MA ,  Qiang WU ,  Huilin XU ,  Iyab Issam SAKHNINI ,  Dan ZHANG

IPC: H04B7/185 ,  H04W56/00

Abstract: A non-terrestrial network is provided that includes a satellite that transmits an orbital parameter message to a user equipment. The user equipment processes the orbital parameter message to determine a current range from the user equipment to the satellite based upon the received orbital parameter message, a timing offset and a frequency offset for an uplink transmission to the satellite.

公开(公告)号：US20240192355A1

公开(公告)日：2024-06-13

申请号：US18286340

申请日：2022-06-07

Applicant: QUALCOMM Incorporated

Inventor： Dan ZHANG ,  Kapil GULATI ,  Junyi LI ,  Ahmed BEDEWY ,  Stelios STEFANATOS

IPC: G01S13/72 ,  G01S7/288 ,  G01S7/292 ,  G01S7/41 ,  G01S13/931

CPC classification number: G01S13/726 ,  G01S7/2883 ,  G01S7/2922 ,  G01S7/2927 ,  G01S7/412 ,  G01S13/931

Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for radar target tracking based on return signal strength. A wireless device, such as a radar device, may measure a received signal strength of a detected signal. The received signal strength may be associated with at least one bin of a radar image. The wireless device may compare the received signal strength to a filtered signal strength. The filtered signal strength may be associated with a threshold difference in signal strength from the filtered signal strength. The wireless device may track the at least one bin of the radar image in response to the received signal strength being less than or equal to the threshold difference in signal strength from the filtered signal strength.

公开(公告)号：US20230080844A1

公开(公告)日：2023-03-16

申请号：US18056365

申请日：2022-11-17

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng WANG ,  Iyab Issam SAKHNINI ,  Jun MA ,  Huilin XU ,  Dan ZHANG

IPC: H04W74/00 ,  H04W74/08

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive information that indicates whether to perform a first random access channel (RACH) procedure for a non-terrestrial network or a second RACH procedure for a terrestrial network, wherein the first RACH procedure is configured to support a larger number of UEs contemporaneously performing a RACH procedure than the second RACH procedure. Responsive to the information indicating that the UE is to perform the first RACH procedure, the UE may perform the first RACH procedure. Numerous other aspects are provided.

公开(公告)号：US20230058532A1

公开(公告)日：2023-02-23

申请号：US17759073

申请日：2020-02-07

Applicant: QUALCOMM Incorporated

Inventor： Qiang WU ,  Xiao Feng WANG ,  Huilin XU ,  Iyab Issam SAKHNINI ,  Dan ZHANG ,  Yiqing CAO ,  Jun MA

IPC: H04W64/00

Abstract: Disclosed are techniques for positioning. A receiver receives complementary timing information associated with the positioning reference signals (PRS) of a repetition of a PRS sequence. The complementary timing information distinguishes a repetition of a PRS sequence from remaining repetitions of the PRS sequence. Based on the complementary timing information associated with different PRS from different non-terrestrial vehicles indicating that the PRS were transmitted during the same radio frame, the receiver can determine an observed time difference of arrival (OTDOA) between the PRS received from the respective non-terrestrial vehicles.