公开(公告)号：US20180139695A1

公开(公告)日：2018-05-17

申请号：US15583985

申请日：2017-05-01

Applicant: QUALCOMM Incorporated

Inventor： Piyush Gupta ,  Junyi Li ,  Hao Xu

IPC: H04W52/02 ,  H04W48/10 ,  H04W56/00 ,  H04B7/155 ,  H04L29/08

CPC classification number: H04W52/0203 ,  H04B7/155 ,  H04L12/12 ,  H04L67/12 ,  H04W48/10 ,  H04W48/16 ,  H04W56/0015 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/20 ,  Y02D70/21 ,  Y02D70/22 ,  Y02D70/24

Abstract: A relay device in a mesh wireless access network (WAN) may listen for a signal during a pre-wakeup (PWU) period to determine whether to power on a radio during a wakeup cycle. If the relay device receives a signal during the PWU period, it may power on a radio to transmit a discovery broadcast or to send and receive data. The relay device may also receive synchronization signals during the PWU period to maintain timing synchronization in cases when the wakeup cycle includes long periods of inactivity. That is, different interne of everything (IoE) devices (including relay devices) may operate in different discovery modes based on different mobility patterns. Devices that move frequently may operate in a transient operating mode. Devices that rarely move may operate in a persistent operating mode, and may take advantage of the PWU synchronization signals.

公开(公告)号：US20180054841A1

公开(公告)日：2018-02-22

申请号：US15616124

申请日：2017-06-07

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Junyi Li ,  Piyush Gupta

IPC: H04W76/02 ,  H04L12/24

CPC classification number: H04W76/11 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0092 ,  H04L41/0806 ,  H04W74/0816 ,  H04W76/10

Abstract: Various aspects of the disclosure relate to communicating control information via interleaved symbols. For example, symbols of a first handshaking process may be interleaved with symbols of a second handshaking process. In some scenarios, the control information includes request-to-send (RTS) and clear-to-send (CTS) signaling. In some aspects, different tone spacing is used for the control information than is used for data within a subframe. In some aspects, a different cyclic prefix length is used for control information than is used for data within a subframe.

公开(公告)号：US20180049219A1

公开(公告)日：2018-02-15

申请号：US15442298

申请日：2017-02-24

Applicant: QUALCOMM Incorporated

Inventor： Piyush Gupta ,  Junyi Li ,  Chong Li

IPC: H04W72/12 ,  H04L5/00 ,  H04W72/04 ,  H04W76/02

Abstract: A device may use sidelink request and sidelink response (e.g., DSS/STS and DRS) resources (in a sub-band) of different sizes depending on whether the sub-band is a primary sub-band or secondary sub-band. The device may transmit more information in the request/response resources of a primary sub-band than in the request/response resources of a secondary sub-band. The device may transmit small amounts of information in its request/response resources in secondary sub-bands. The resources in the secondary sub-bands may include, for example, reference signals, and signals indicating occupation of the sub-band. The device may utilize tone signaling for request/response signaling in the secondary sub-bands (at least because the amount of information being conveyed in the secondary sub-bands is small) and digital signaling in the primary sub-band (at least because the amount of information being conveyed in the primary sub-band is large in comparison to that being conveyed in the secondary sub-bands).

公开(公告)号：US20170311225A1

公开(公告)日：2017-10-26

申请号：US15249229

申请日：2016-08-26

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Piyush Gupta ,  Junyi Li

IPC: H04W40/24 ,  H04L5/00 ,  H04W72/00 ,  H04W72/10

CPC classification number: H04W40/246 ,  H04L5/0048 ,  H04W8/005 ,  H04W72/005 ,  H04W72/10 ,  H04W74/0816 ,  H04W74/0833

Abstract: A user equipment (UE) may determine that a synchronous transmission by the UE includes traffic having a priority higher than a priority of nominal traffic. In response to the determination, the UE may, alter a use of at least some of an initial portion of a discovery frame from energy detection to signal transmission. The signal transmission may be a pilot signal transmission or a non-information-carrying signal transmission. The traffic having the priority higher than the nominal traffic may include mission-critical traffic. A reliability requirement of mission-critical traffic may be higher than a reliability requirement of nominal traffic. A latency requirement of mission-critical traffic may be lower than a latency requirement of nominal traffic. The signal transmission may be at a power level that is sufficient to result in energy detection at another UE. Various additional and alternative aspects are described herein.

公开(公告)号：US09693371B2

公开(公告)日：2017-06-27

申请号：US14684191

申请日：2015-04-10

Applicant: QUALCOMM Incorporated

Inventor： Piyush Gupta ,  Junyi Li

IPC: H04J3/00 ,  H04W74/08 ,  H04W52/02 ,  H04W72/10 ,  H04W4/00 ,  H04W74/00

CPC classification number: H04W74/0891 ,  H04W4/70 ,  H04W52/0216 ,  H04W52/0225 ,  H04W52/028 ,  H04W72/10 ,  H04W74/004 ,  H04W74/006 ,  H04W74/08 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/21 ,  Y02D70/22

Abstract: In an aspect of the disclosure, a method, a computer program product, and an apparatus are provided. The apparatus may be a first node. The first node determines a data frame based on synchronization information. The data frame has a signaling block and a plurality of data slots. The signaling block is prior to the plurality of data slots. The first node communicates with a second node in the signaling block to reserve a first data slot of the plurality of data slots during which to transmit or to receive a first packet. The first node transmits the first packet to the second node or receives the first packet from the second node during the first data slot.

公开(公告)号：US12249021B2

公开(公告)日：2025-03-11

申请号：US17934869

申请日：2022-09-23

Applicant: QUALCOMM Incorporated

Inventor： Piyush Gupta ,  Pavan Kumar Akkaraju ,  Alexei Vladimirovich Bourd ,  Andrew Evan Gruber

IPC: G06T15/06 ,  G06T17/00 ,  G06T17/10

Abstract: Systems and techniques are provided for accelerated ray tracing. For instance, a process can include obtaining a hierarchical acceleration data structure that includes a plurality of primitives of a scene object and obtaining a respective information value associated with each primitive included in the plurality of primitives. A sort order can be determined for two or more nodes included in a same level of the hierarchical acceleration data structure at least in part by sorting the two or more nodes based on a respective sorting parameter value determined for each respective node of the two or more nodes. Each respective sorting parameter value can be determined based on at least one information value associated with one or more primitives included in a sub-tree of each respective node of the two or more nodes. The hierarchical acceleration data structure can be traversed using the sort order.

公开(公告)号：US12245255B2

公开(公告)日：2025-03-04

申请号：US17530229

申请日：2021-11-18

Applicant: QUALCOMM INCORPORATED

Inventor： Xiaojie Wang ,  Navid Abedini ,  Jianghong Luo ,  Junyi Li ,  Xiaoxia Zhang ,  Tao Luo ,  Piyush Gupta

IPC: H04W72/51 ,  H04W16/28 ,  H04W72/02 ,  H04W72/044 ,  H04W92/18

Abstract: According to one aspect of the present disclosure, a method of wireless communication performed by a first wireless communication device includes: initiating a registration protocol for performing repeater operations for sidelink communications; transmitting, to a second wireless communication device, a sidelink capability report indicating sidelink repeating capabilities of the first wireless communication device; receiving a sidelink repeating configuration based on the sidelink capability report; and communicating a first signal based on the sidelink repeating configuration.

公开(公告)号：US12231272B2

公开(公告)日：2025-02-18

申请号：US18323807

申请日：2023-05-25

Applicant: QUALCOMM Incorporated

Inventor： Raviteja Patchava ,  Piyush Gupta ,  Zhifei Fan

IPC: H04L27/02 ,  H04L27/00 ,  H04L27/18 ,  H04L27/34

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first network entity may receive, from a second network entity, an indication of a first frequency offset associated with the second network entity. In some aspects, the first network entity may receive, from the second network entity, a first transmission including a first communication and a first helper signal that are separated in a frequency domain based on the first frequency offset. In some aspects, the first network entity may decode, via envelope tracking, the first transmission to obtain the first communication from the first transmission. Numerous other aspects are provided.

公开(公告)号：US12225480B2

公开(公告)日：2025-02-11

申请号：US17468313

申请日：2021-09-07

Applicant: QUALCOMM Incorporated

Inventor： Lik Hang Silas Fong ,  Piyush Gupta ,  Juan Montojo

IPC: H04W52/36 ,  H04W52/14 ,  H04W80/02

Abstract: Aspects of the present disclosure provide techniques that may help enhance power control for sidelink transmissions. According to certain aspects, a method for wireless communications by a first user equipment (UE) generally includes transmitting a power headroom report (PHR) to a second UE, receiving, from the second UE, a transmit power control (TPC) based on the PHR, and transmitting at least a first sidelink transmission to the second UE with transmit power in accordance with the TPC.

公开(公告)号：US12213135B2

公开(公告)日：2025-01-28

申请号：US17380912

申请日：2021-07-20

Applicant: QUALCOMM Incorporated

Inventor： Xiaojie Wang ,  Piyush Gupta ,  Jing Sun ,  Lik Hang Silas Fong

IPC: H04W72/121 ,  H04L1/16 ,  H04L1/1607 ,  H04L1/18 ,  H04L1/1812 ,  H04W72/20

Abstract: Methods, systems, and devices for wireless communications are described. Some wireless communications systems may support the transmission of a scheduling request via a physical sidelink feedback channel (PSFCH). In some cases, a user equipment (UE) may determine a configuration of a set of PSFCH resource blocks (RBs). The UE may receive a first bit map that may indicate a subset of the set of PSFCH RBs allocated for transmitting a scheduling request on the PSFCH, and the UE may receive a second bit map that may indicate a second subset of the PSFCH RBs allocated for hybrid automatic repeat request (HARQ) messages. The UE may transmit a scheduling request via one or more RBs of the first subset of the PSFCH RBs. In some cases, the UE may generate a waveform for transmitting the scheduling request message, and the waveform may be based on the number of RBs selected.