公开(公告)号：US20210410103A1

公开(公告)日：2021-12-30

申请号：US17354108

申请日：2021-06-22

Applicant: Qualcomm INCORPORATED

Inventor： Xiaoxia ZHANG ,  Srinivas YERRAMALLI ,  Jing SUN

IPC: H04W64/00 ,  G01S5/02 ,  H04L5/00 ,  H04B17/318

Abstract: Techniques are provide for passive positioning of user equipment (UE) with sidelink assistance. An example method for passive positioning includes receiving a first positioning reference signal from a first station at a first time, receiving a second positioning reference signal from a second station at a second time, receiving positioning assistance data associated with positioning reference signals received by a proximate user equipment, determining a reference signal timing difference based at least in part on the first time and the second time, and determining a current location based at least in part on the reference signal timing difference and the positioning assistance data.

公开(公告)号：US20210385624A1

公开(公告)日：2021-12-09

申请号：US17339091

申请日：2021-06-04

Applicant: QUALCOMM Incorporated

Inventor： Yih-Hao LIN ,  Xiaoxia ZHANG ,  Lorenzo FERRARI ,  Taesang YOO ,  Srinivas YERRAMALLI ,  Alexandros MANOLAKOS ,  Sony AKKARAKARAN ,  Jingchao BAO

IPC: H04W4/029 ,  H04W72/04 ,  H04L5/00 ,  G01S5/10

Abstract: Disclosed are techniques for wireless communication. In an aspect, a network node receives a reference signal comprising a plurality of time and frequency resources, the plurality of time and frequency resources spanning a plurality of disjoint bandwidth segments, the plurality of disjoint bandwidth segments being time aligned or having a known time offset with respect to each other, and determines a time of arrival (ToA) of the reference signal based on jointly processing the plurality of time and frequency resources of the reference signal across the plurality of disjoint bandwidth segments.

公开(公告)号：US20210377697A1

公开(公告)日：2021-12-02

申请号：US17330120

申请日：2021-05-25

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Alexandros MANOLAKOS

IPC: H04W4/029 ,  H04L5/00 ,  G01S5/02

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a user equipment (UE) performs one or more positioning measurements of positioning reference signals (PRS) transmitted by at least one set of transmission-reception points (TRPs) of one or more sets of TRPs, wherein each set of TRPs of the one or more sets of TRPs satisfies a dilution of precision (DOP) threshold, and reports the one or more positioning measurements or location information derived from the one or more positioning measurements.

公开(公告)号：US20210360696A1

公开(公告)日：2021-11-18

申请号：US17322363

申请日：2021-05-17

Applicant: QUALCOMM Incorporated

Inventor： Arumugam CHENDAMARAI KANNAN ,  Jing SUN ,  Vinay CHANDE ,  Xiaoxia ZHANG ,  Tao LUO ,  Srinivas YERRAMALLI ,  Juan MONTOJO

IPC: H04W74/08 ,  H04W72/14 ,  H04W72/04 ,  H04W28/26 ,  H04W24/08

Abstract: A user equipment (UE) and base station may be configured to implementing trigger-based joint TX-RX sensing for channel access. In some aspects, the UE may monitor, via a receiver, for one or more transmissions from a first base station, detect, during the monitoring, interference associated with a pre-grant communication, the pre-grant communication associated with a future communication between a second base station a second user equipment, and transmit, via a transmitter, a reservation communication to the second base station in response to the pre-grant communication. In some aspects, the UE may receive the one or more communications from the first base station, without interference from the second base station, based on transmitting the reservation communication.

公开(公告)号：US20210266914A1

公开(公告)日：2021-08-26

申请号：US16802292

申请日：2020-02-26

Applicant: QUALCOMM Incorporated

Inventor： Taesang YOO ,  Xiaoxia ZHANG ,  Vinay CHANDE ,  Srinivas YERRAMALLI ,  Arumugam CHENDAMARAI KANNAN

IPC: H04W72/08 ,  H04L5/14 ,  H04L5/00 ,  H04W74/08 ,  H04W16/14

Abstract: Aspects are provided that allow a base station to use visual information of interfering UEs for optimizing shared channel access and beam and interference management and tracking. The base station may obtain visual information of a UE. The base station may then access a shared channel to communicate with the UE based on the visual information. After accessing the shared channel, the base station may communicate with the UE over the shared channel using one or more beams based on the visual information. Efficient channel access and communication in mmW environments may thereby be achieved.

公开(公告)号：US20210250776A1

公开(公告)日：2021-08-12

申请号：US17172000

申请日：2021-02-09

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Vinay CHANDE ,  Arumugam CHENDAMARAI KANNAN ,  Jing SUN ,  Xiaoxia ZHANG ,  Tao LUO

IPC: H04W16/14 ,  H04W72/04 ,  H04L27/00

Abstract: A wireless device uses a frame-based channel access mode to access a wireless spectrum for wireless communication. The wireless device may use transmitter-side only channel sensing to determine whether or not the spectrum is idle. The frame-based channel access mode may use a fixed frame period that includes an initial sensing period for beam-based sensing and an idle period at the end of the frame to facilitate spectrum sharing.

公开(公告)号：US20210243745A1

公开(公告)日：2021-08-05

申请号：US17159427

申请日：2021-01-27

Applicant: QUALCOMM Incorporated

Inventor： Zhifei FAN ,  Jing SUN ,  Xiaoxia ZHANG ,  Tao LUO ,  Srinivas YERRAMALLI ,  Arumugam CHENDAMARAI KANNAN ,  Wooseok NAM ,  Sungwoo PARK ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Akula Aneesh REDDY

IPC: H04W72/04

Abstract: In an aspect, a PDCCH and a PDSCH are transmitted by a BS to a UE, whereby the PDCCH includes a first DCI part and the PDSCH includes a second DCI part (e.g., a 2-part DCI). In an example a first grant associated with the second DCI part is offset relative to a slot position of the second DCI part, whereas a second grant associated with the second DCI part is offset relative to the slot position to which the first grant is offset. In another aspect, two or more grants are grouped together, with the respective group being mapped to a PUCCH.

公开(公告)号：US20210243735A1

公开(公告)日：2021-08-05

申请号：US17159408

申请日：2021-01-27

Applicant: QUALCOMM Incorporated

Inventor： Zhifei FAN ,  Jing SUN ,  Xiaoxia ZHANG ,  Tao LUO ,  Srinivas YERRAMALLI ,  Arumugam CHENDAMARAI KANNAN ,  Wooseok NAM ,  Sungwoo PARK ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Akula Aneesh REDDY

IPC: H04W72/04 ,  H04L5/00

Abstract: In an aspect, a PDCCH and a PDSCH are transmitted by a BS to a UE, whereby the PDCCH includes a first DCI part and the PDSCH includes a second DCI part (e.g., a 2-part DCI). In an example, the BS and UE each determine at least one timing value associated with an effective receive time for the PDCCH based upon a reference symbol of the PDSCH.

公开(公告)号：US20210184798A1

公开(公告)日：2021-06-17

申请号：US17115550

申请日：2020-12-08

Applicant: QUALCOMM Incorporated

Inventor： Sungwoo PARK ,  Wooseok NAM ,  Xiaoxia ZHANG ,  Tao LUO ,  Srinivas YERRAMALLI ,  Arumugam CHENDAMARAI KANNAN ,  Zhifei FAN ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Akula REDDY ,  Jing SUN

IPC: H04L1/16 ,  H04W72/04 ,  H04L1/00 ,  H04L5/00

Abstract: Certain aspects of the present disclosure provide techniques for communication of downlink control information (DCI) piggybacked on a physical downlink shared channel (PDSCH) configured using semi persistent scheduling (SPS). A method that may be performed by a user equipment (UE) includes receiving a message having a configuration for semi persistent scheduling (SPS) of data channels, receiving an indication associated with at least one first downlink control information (DCI) for transmission in at least one of the data channels, and monitoring for the data channels in accordance with the configuration for SPS.

公开(公告)号：US20210088623A1

公开(公告)日：2021-03-25

申请号：US17013022

申请日：2020-09-04

Applicant: QUALCOMM Incorporated

Inventor： Srinivas YERRAMALLI ,  Jing SUN ,  Xiaoxia ZHANG

IPC: G01S5/06 ,  H04W16/14 ,  H04L5/00 ,  H04L12/24

Abstract: Disclosed are techniques for wireless communication. In an aspect, a user equipment (UE) receives, from a serving cell operating on a first frequency, an inter-frequency communication gap configuration specifying at least one period of time during which the UE is permitted to tune from the first frequency to a second frequency to perform a positioning operation, wherein one or more neighboring cells of the serving cell are operating on the second frequency, tunes from the first frequency to the second frequency at a start of the at least one period of time, and performs, during the at least one period of time, the positioning operation on the second frequency.