公开(公告)号：US20240048221A1

公开(公告)日：2024-02-08

申请号：US17880439

申请日：2022-08-03

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Ting Kong ,  Mihir Vijay Laghate ,  Rahul Malik ,  Raghu Narayan Challa

IPC: H04B7/08 ,  H04W16/28 ,  H04W72/12

CPC classification number: H04B7/0888 ,  H04W16/28 ,  H04W72/1263

Abstract: Methods, systems, and devices for wireless communications are described. A first device may select a first beam and a second beam from a set of beams for communicating with a second device. The first device may perform a beam refinement procedure of the first beam to generate a first multicast autonomous beam refinement tree. The first device may determine a trigger for performing the beam refinement procedure of the second beam, and the first device may generate a second multicast autonomous beam refinement tree. The first device may communicate with the second device using the second beam.

公开(公告)号：US11653216B2

公开(公告)日：2023-05-16

申请号：US17208360

申请日：2021-03-22

Applicant: QUALCOMM Incorporated

Inventor： Srinivas Yerramalli ,  Rahul Malik ,  Tamer Kadous

IPC: H04W16/14 ,  H04W74/08 ,  H04W72/04 ,  H04W72/08 ,  H04W72/0453

CPC classification number: H04W16/14 ,  H04W72/042 ,  H04W72/0406 ,  H04W72/048 ,  H04W74/0808 ,  H04W72/0453 ,  H04W72/08

Abstract: Methods, systems, and devices for wireless communication are described. A base station may configure a system bandwidth of shared spectrum partitioned into a plurality of bandwidth parts based on interference associated with each of the plurality of bandwidth parts. The base station may then transmit the configuration of the system bandwidth to a plurality of devices. A UE may receive, from a base station, a configuration of a system bandwidth of shared spectrum. The system bandwidth may be partitioned into a plurality of bandwidth parts based on interference associated with each of the plurality of bandwidth parts. The UE may then communicate with the base station on at least one of the bandwidth parts.

公开(公告)号：US11528616B2

公开(公告)日：2022-12-13

申请号：US17062378

申请日：2020-10-02

Applicant: QUALCOMM Incorporated

Inventor： Tao Luo ,  Arumugam Chendamarai Kannan ,  Bin Tian ,  Rahul Malik

IPC: H04W16/14 ,  H04L27/00 ,  H04W74/08 ,  H04L27/26

Abstract: Methods, systems, and devices are described for wireless communication at a device. A Long Term Evolution Unlicensed (LTE-U) device may transmit an enhanced preamble that may be understood by Wireless Local Area Network (WLAN) devices, in addition to conveying a characteristic that is detectable by receiving LTE-U devices. The transmitting LTE-U device may generate the enhanced preamble by generating a first training field and a second training field. The characteristic that is detectable by receiving LTE-U devices may be a phase shift between the first and second training fields. Additionally or alternatively, the characteristic may be a sequence or tone mapping of the first or second training field. In some cases, the transmitting LTE-U device may introduce a third training field to the preamble which serves as the characteristic.

公开(公告)号：US10992350B2

公开(公告)日：2021-04-27

申请号：US16733500

申请日：2020-01-03

Applicant: QUALCOMM INCORPORATED

Inventor： Makesh Pravin John Wilson ,  Tao Luo ,  Sony Akkarakaran ,  Rahul Malik ,  Kaushik Chakraborty

IPC: H04J11/00 ,  H04B7/0408 ,  H04B7/0413 ,  H04W72/04 ,  H04B7/08 ,  H04B7/06 ,  H04L5/00

Abstract: Methods, systems, and devices for wireless communication are described. A base station may configure a first sub-band and a second sub-band of a system bandwidth for communication with a user equipment (UE). The base station may determine a spatial quasi co-location (QCL) relationship between the first sub-band and the second sub-band and may transmit signaling to the UE that indicates the determined spatial QCL relationship. Upon receiving the signaling, the UE may derive, based on the indicated spatial QCL relationship, spatial parameters (e.g., beam width, pointing angle, etc.) for communication with the base station via the second sub-band. The spatial parameters may be derived based on spatial parameters used for reception of a downlink transmission from the base station via the first sub-band. Subsequently, the UE may communicate with the base station via the second sub-band using the derived spatial parameters.

公开(公告)号：US10862514B2

公开(公告)日：2020-12-08

申请号：US16353779

申请日：2019-03-14

Applicant: QUALCOMM Incorporated

Inventor： Rahul Malik ,  Jeremy Dunworth

IPC: H04B1/38 ,  H04B1/00 ,  H04B7/0426 ,  H04B7/0408

Abstract: A radio frequency (RF) architecture performs simultaneous beamforming to two different gigabit node Bs (gNBs) using an independent set of phase shifters. The beamforming process includes simultaneously communicating across a shared antenna aperture in a first frequency and a second frequency. The beamforming process also includes configuring a first beam for the first frequency and a second beam for the second frequency before communicating with the first frequency and/or the second frequency to synchronize communication between the first frequency and the second frequency across the shared antenna aperture.

公开(公告)号：US10749248B1

公开(公告)日：2020-08-18

申请号：US16579522

申请日：2019-09-23

Applicant: QUALCOMM Incorporated

Inventor： Rahul Malik ,  Mohammad Ali Tassoudji ,  Jatupum Jenwatanavet ,  Jong Hyeon Park

IPC: H04W88/02 ,  H01Q1/24 ,  H01Q21/06 ,  H04B7/0408 ,  H04B7/06 ,  H04W52/18

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may use transmissions causing power density exposure (PDE) to nearby users. To reduce the PDE of an antenna module (e.g., below a maximum PDE threshold), the UE may implement a shielding strip around the antenna module. For example, the antenna module may include a substrate having a first surface and a set of antenna elements on the first surface. The shielding strip may enclose the set of antenna elements of the antenna module and extend away from the first surface above the antenna elements. The shielding strip may reduce PDE outside a field of view of the antenna module. Additionally, in some cases, the placement of the antenna module in the UE and the materials used for constructing the UE may further reduce PDE.

公开(公告)号：US20200099436A1

公开(公告)日：2020-03-26

申请号：US16698049

申请日：2019-11-27

Applicant: QUALCOMM Incorporated

Inventor： Rahul Malik ,  Srinivas Yerramalli ,  Tamer Kadous ,  Kaushik Chakraborty

IPC: H04B7/06 ,  H04B7/0404 ,  H04B7/08

Abstract: Methods, systems, and devices for wireless communications are described that provide for refinement of receive beam beamforming parameters at a user equipment (UE). A UE may transmit two or more signals in an uplink transmission that have different beamforming parameters. A base station receiving the uplink transmission may measure the two or more signals, and identify a first signal of the two or more signals based at least in part on the measuring. The base station may inform the UE of the identified first signal, which the UE may use to set receive beam beamforming parameters for one or more subsequent downlink transmissions.

公开(公告)号：US10541772B2

公开(公告)日：2020-01-21

申请号：US15942088

申请日：2018-03-30

Applicant: QUALCOMM Incorporated

Inventor： Aleksandar Damnjanovic ,  Tao Luo ,  Andrei Dragos Radulescu ,  Srinivas Yerramalli ,  Rahul Malik

IPC: H04W48/10 ,  H04J11/00 ,  H04W16/14 ,  H04L5/00 ,  H04W56/00

Abstract: Various aspects described herein relate to techniques for synchronization signal transmissions in wireless communications (e.g., 5th Generation New Radio). In an aspect, a method includes detecting that a medium in a shared spectrum is busy, and delaying a transmission of a synchronization signal (SS) block in the shared spectrum in response to detecting that the medium is busy. The method further includes detecting that the previously busy medium is free, and transmitting, in response to detecting that the medium is free, a filler signal before transmitting the SS block in the shared spectrum, and the SS block includes one or more discovery reference signals (DRSs).

公开(公告)号：US10523300B2

公开(公告)日：2019-12-31

申请号：US16118284

申请日：2018-08-30

Applicant: QUALCOMM Incorporated

Inventor： Rahul Malik ,  Srinivas Yerramalli ,  Tamer Kadous ,  Kaushik Chakraborty

IPC: H04B7/06 ,  H04B7/0404 ,  H04B7/08

Abstract: Methods, systems, and devices for wireless communications are described that provide for refinement of receive beam beamforming parameters at a user equipment (UE). A UE may transmit two or more signals in an uplink transmission that have different beamforming parameters. A base station receiving the uplink transmission may measure the two or more signals, and identify a first signal of the two or more signals based at least in part on the measuring. The base station may inform the UE of the identified first signal, which the UE may use to set receive beam beamforming parameters for one or more subsequent downlink transmissions.

公开(公告)号：US09654564B2

公开(公告)日：2017-05-16

申请号：US15049329

申请日：2016-02-22

Applicant: QUALCOMM Incorporated

Inventor： Rahul Malik ,  Peerapol Tinnakornsrisuphap ,  Menucher Menuchehry ,  Qi Xue ,  Bibhu Mohanty

IPC: H04W4/04 ,  H04L29/08 ,  H04W4/00 ,  H04W8/00 ,  H04L12/18 ,  H04W4/06 ,  H04W84/12

CPC classification number: H04L67/125 ,  H04L12/189 ,  H04L67/16 ,  H04W4/06 ,  H04W4/70 ,  H04W8/005 ,  H04W84/12

Abstract: Described herein are implementations for using a remote control device to control a target device on a network via a remote control proxy device. A remote control device may determine an IoT device capable of functioning as a remote control proxy device. The remote control device may generate a data packet comprising a command for controlling the target device and a network address associated with the target device, and transmit the data packet to the IoT device. If the IoT device determines, using the network address, that it is not the target device, the IoT device may either unicast the data packet to the target device or multicast the data packet to multiple intermediate IoT devices on the network.