公开(公告)号：US20240155443A1

公开(公告)日：2024-05-09

申请号：US18405582

申请日：2024-01-05

Applicant: QUALCOMM Incorporated

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

IPC: H04W36/00

CPC classification number: H04W36/0061

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive system information associated with a set of neighboring cells included in a non-terrestrial network (NTN). The UE may be connected to or camped in a current cell included in the NTN. The current cell may be associated with a current platform. The UE may monitor a neighboring cell, of the set of neighboring cells, based at least in part on the system information. Numerous other aspects are provided.

公开(公告)号：US20230224725A1

公开(公告)日：2023-07-13

申请号：US18000927

申请日：2020-07-02

Applicant: QUALCOMM INCORPORATED

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

IPC: H04W16/28 ,  H04B7/08

CPC classification number: H04W16/28 ,  H04B7/088

Abstract: Methods, systems, and devices for wireless communications are described. A communication device, otherwise known as a user equipment (UE) may determine a beam configuration associated with a set of directional beams of a base station. The beam configuration may include a set of identifiers associated with the set of directional beams. The UE may determine beam position information associated with a coverage area of each directional beam of the set of directional beams based on the beam configuration. Additionally or alternatively, the UE may determine beam classification information associated with the coverage area of each directional beam of the set of directional beams based on the beam configuration. The UE may select a directional beam of the set of directional beams based on the beam position information and the beam classification information, and communicate with the base station using the selected directional beam.

公开(公告)号：US20230051054A1

公开(公告)日：2023-02-16

申请号：US17793524

申请日：2020-02-07

Applicant: QUALCOMM Incorporated

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

IPC: G01S19/25 ,  H04W64/00 ,  G01S5/10

Abstract: Satellites in a non-terrestrial network may provide positioning reference signals (PRS) to user equipment (UE), with which the UE may determine its position using propagation delay difference measurements, such as Time Difference of Arrival (TDOA) measurement. Due to the large distances between satellites and the UE, the propagation delay differences in the PRS received from satellites may exceed half a radio frame, resulting in a frame level timing ambiguity in the differential measurements. The satellites transmit secondary PRS, along with primary PRS, that include timing information to resolve frame level timing ambiguity of the primary PRS. The positioning occasions in the secondary PRS, for example, may be aligned with corresponding positioning occasions primary PRS within each radio frame, and are transmitted with a periodicity that is an integer multiple (greater than 1) of that of the primary PRS to resolve the frame level timing ambiguity of the primary PRS.

公开(公告)号：US20220346138A1

公开(公告)日：2022-10-27

申请号：US17753621

申请日：2019-10-02

Applicant: QUALCOMM Incorporated

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

IPC: H04W74/00 ,  H04W76/10

Abstract: Certain aspects of the present disclosure provide techniques for supporting multiple types of random access occasions. A method that may be performed by a user equipment (UE) includes receiving, from a base station (BS), an indication of at least two types of random access occasions (ROs) including a first RO type and a second RO type for communicating in a first coverage area of the BS as part of a random access process for the UE to establish a connection with the BS in the first coverage area. The method further includes transmitting, to the BS, a preamble on an RO of one of the first RO type or the second RO type, wherein a preamble format of the preamble is based on whether the RO is of the first RO type or the second RO type.

公开(公告)号：US20220295237A1

公开(公告)日：2022-09-15

申请号：US17196913

申请日：2021-03-09

Applicant: QUALCOMM Incorporated

Inventor： Dan ZHANG ,  Kapil GULATI ,  Junyi LI

IPC: H04W4/08 ,  H04W72/12 ,  H04W72/14

Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for coordinated slot-based radar sensing. A first radar device, which may be a radar group leader, may broadcast information indicative of a wireless device group that includes the first wireless device. The first wireless device may receive, from a second wireless device that receives the broadcast information, a request to join the wireless device group that includes the first wireless device. The first wireless device may transmit, to the second wireless device based on the request, a grant or rejection to join the wireless device group that includes the first wireless device. The first wireless device may further transmit a transmission schedule to at least one wireless device of the wireless device group, where the at least one wireless device may include the second wireless device if the first wireless device transmits the grant.

公开(公告)号：US20220291325A1

公开(公告)日：2022-09-15

申请号：US17198035

申请日：2021-03-10

Applicant: QUALCOMM Incorporated

Inventor： Kapil GULATI ,  Dan ZHANG ,  Junyi LI ,  Preeti KUMARI

IPC: G01S5/02 ,  G01S19/10 ,  G01S13/58 ,  G01S13/08

Abstract: A configuration to determine a timing offset between a first wireless device and a second wireless device in order to synchronize timing between the first wireless device and the second wireless device. The apparatus determines a timing offset between a first wireless device and a second wireless device based on at least one transmission received from the second wireless device. The apparatus determines a location of a target device based at least on the at least one transmission from the second wireless device and the timing offset between the first wireless device and the second wireless device.

公开(公告)号：US20220276336A1

公开(公告)日：2022-09-01

申请号：US17189066

申请日：2021-03-01

Applicant: QUALCOMM Incorporated

Inventor： Dan ZHANG ,  Ahmed BEDEWY ,  Kapil GULATI ,  Junyi Li

IPC: G01S7/02 ,  G01S7/00 ,  G01S13/931

Abstract: Systems and methods for adjusting radar transmission parameters based on congestion level measurements are disclosed. In some aspects, a congestion level of radar signals at a location in a vicinity of a radar source may be measured or otherwise determined. In some aspects, a transmission parameter of radar signals configured for transmission to the location by the radar source may be adjusted based on the congestion levels.

公开(公告)号：US20220140941A1

公开(公告)日：2022-05-05

申请号：US16949462

申请日：2020-10-29

Applicant: QUALCOMM Incorporated

Inventor： Kapil GULATI ,  Dan ZHANG ,  Junyi LI

IPC: H04L1/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a radar enabled device may perform a plurality of listen before talk (LBT) procedures corresponding to a plurality of chirp lengths. The radar enabled device may transmit a particular signal (e.g., a radar signal) based at least in part on a successful result of an LBT procedure of the plurality of LBT procedures. Numerous other aspects are provided.

公开(公告)号：US20220120845A1

公开(公告)日：2022-04-21

申请号：US17450854

申请日：2021-10-14

Applicant: QUALCOMM Incorporated

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

IPC: G01S7/02 ,  G01S13/58 ,  G01S7/41 ,  H04W4/40

Abstract: Systems and methods for predictive coordination of ego radar and interferer radar parameters are dsiclsoed. In some aspects, a processor associated with a first radar system transmitting a first radar waveform to detect a target may identify a presence of a second radar system transmitting a second radar waveform in a vicinity of the first radar system. The processor may further predict an upcoming interference by the second radar waveform of the detection of the target by the first radar system. In addition, the processor may, in response to the predicting the upcoming interference, determine an adjustment to a first parameter of the first radar waveform and/or to a second parameter of the second radar waveform.

公开(公告)号：US20220070749A1

公开(公告)日：2022-03-03

申请号：US17006343

申请日：2020-08-28

Applicant: QUALCOMM Incorporated

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

IPC: H04W36/06 ,  H04B7/185 ,  H04W36/08 ,  H04W36/00

Abstract: Methods, systems, and devices for wireless communications are described that support techniques for handover in non-terrestrial networks. The described techniques provide for handovers such that a user equipment (UE) may be provided information prior to handover to facilitate rapid handover and rapid recover if handover fails. The information is based on predicted handovers due to motion of non-terestrial network devices (e.g, satellites).