公开(公告)号：US20210392478A1

公开(公告)日：2021-12-16

申请号：US17329109

申请日：2021-05-24

Applicant: QUALCOMM Incorporated

Inventor： Sungwoo PARK ,  Wooseok NAM ,  Tao LUO ,  Junyi LI ,  Juan MONTOJO ,  Jing SUN ,  Xiaoxia ZHANG ,  Peter GAAL ,  Taesang YOO ,  Simone MERLIN

IPC: H04W4/38 ,  H04W72/04 ,  H04L27/26

Abstract: Disclosed are techniques for allocating resources for environment sensing. In an aspect, a base station transmits a first radar reference signal (RRS) on a first set of resources comprising first time resources, first frequency resources, first spatial resources, or any combination thereof, wherein the first set of resources is selected to enable a first user equipment (UE) to perform a first type of environment sensing, and transmits a second RRS on a second set of resources comprising second time resources, second frequency resources, second spatial resources, or any combination thereof, wherein the second set of resources is selected to enable a second UE to perform a second type of environment sensing, wherein the second set of resources is different from the first set of resources, and wherein the second type of environment sensing is different from the first type of environment sensing.

公开(公告)号：US20210389444A1

公开(公告)日：2021-12-16

申请号：US17222726

申请日：2021-04-05

Applicant: QUALCOMM Incorporated

Inventor： Sungwoo PARK ,  Wooseok NAM ,  Tao LUO ,  Junyi LI ,  Juan MONTOJO ,  Jing SUN ,  Xiaoxia ZHANG ,  Peter GAAL ,  Taesang YOO ,  Simone MERLIN

IPC: G01S13/04 ,  H04W52/24 ,  H04W52/36

Abstract: In an aspect, a wireless node (e.g., BS or UE) transmits a first set of RF signals for communication in accordance with a first power control scheme, and transmits a second set of RF signals at least for object detection in accordance with a second power control scheme.

公开(公告)号：US20210385784A1

公开(公告)日：2021-12-09

申请号：US17335761

申请日：2021-06-01

Applicant: QUALCOMM Incorporated

Inventor： Sungwoo PARK ,  Wooseok NAM ,  Tao LUO ,  Junyi LI ,  Juan MONTOJO ,  Jing SUN ,  Xiaoxia ZHANG ,  John Edward SMEE ,  Peter GAAL ,  Taesang YOO ,  Simone MERLIN

IPC: H04W64/00 ,  G01S13/48 ,  G01S13/00 ,  G01S3/46 ,  H04W24/10

Abstract: Bi-static radio-based object location detection can include determining, by a wireless device, a location of a remote wireless device; obtaining a ToF and an angle of arrival (AoA) of a reflected WWAN reference signal reflected by a remote object; and determining a location of the remote object based on the location of the remote wireless device, the ToF, and the AoA. In another example, a wireless device includes a wireless transceiver; a non-transitory computer-readable medium; and a processor communicatively coupled to the wireless transceiver and non-transitory computer-readable medium, the processor configured to determine a location of a remote wireless device; obtain a ToF and an angle of arrival (AoA) of a reflected WWAN reference signal reflected by a remote object; and determine a location of the remote object based on the location of the remote wireless device, the ToF, and the AoA.

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：US20210344537A1

公开(公告)日：2021-11-04

申请号：US17306762

申请日：2021-05-03

Applicant: QUALCOMM Incorporated

Inventor： Saeid SAHRAEI ,  Gokul SRIDHARAN ,  Hung Dinh LY ,  June NAMGOONG ,  Krishna Kiran MUKKAVILLI ,  Naga BHUSHAN ,  Tingfang JI ,  Peter GAAL ,  Taesang YOO ,  Shimman Arvind PATEL

IPC: H04L27/26

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a resource allocation indicating a plurality of transmission tones comprising a subset of data tones of a plurality of data tones and a subset of peak reduction tones (PRTs) of a plurality of PRTs, wherein the resource allocation indicates locations for the plurality of data tones and locations for the plurality of PRTs within a particular bandwidth, wherein the locations for the plurality of PRTs are arranged relative to the locations for the plurality of data tones according to a PRT subsequence of a universal PRT sequence, and wherein the PRT subsequence corresponds to a sub-band of the particular bandwidth; and transmit a data transmission using a waveform based at least in part on the resource allocation. Numerous other aspects are provided.

公开(公告)号：US20210336683A1

公开(公告)日：2021-10-28

申请号：US17238153

申请日：2021-04-22

Applicant: QUALCOMM Incorporated

Inventor： Hamed PEZESHKI ,  Sony AKKARAKARAN ,  Tao LUO ,  Taesang YOO ,  Jingchao BAO

IPC: H04B7/06 ,  H04W24/10 ,  H04W76/11 ,  H04B17/318

Abstract: Various aspects of the present disclosure relate to beam management procedures in wireless communications systems. Some implementations of the present disclosure more specifically provide techniques for reporting measurements for proposed beams (such as beams predicted to be the best beams for communications to and from a UE and a network entity) and other beams detected by the UE. The techniques may be used, for example, to identify mismatches between a proposed set of beams and actual best beams for communications to and from a UE and a network entity and allow for the retraining of machine learning models used to identify the proposed set of beams for communications to and from a UE and a network entity.

公开(公告)号：US20210273707A1

公开(公告)日：2021-09-02

申请号：US16805467

申请日：2020-02-28

Applicant: QUALCOMM Incorporated

Inventor： Taesang YOO ,  Weiliang ZENG ,  Naga BHUSHAN ,  Krishna Kiran MUKKAVILLI ,  Tingfang JI ,  Yongbin WEI ,  Sanaz BARGHI

IPC: H04B7/06 ,  G06N20/00 ,  H04B7/0456

Abstract: Various aspects of the present disclosure generally relate to neural network based channel state information (CSI) feedback. In some aspects, a device may obtain a CSI instance for a channel, determine a neural network model including a CSI encoder and a CSI decoder, and train the neural network model based at least in part on encoding the CSI instance into encoded CSI, decoding the encoded CSI into decoded CSI, and computing and minimizing a loss function by comparing the CSI instance and the decoded CSI. The device may obtain one or more encoder weights and one or more decoder weights based at least in part on training the neural network model. Numerous other aspects are provided.

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：US20210266875A1

公开(公告)日：2021-08-26

申请号：US17181927

申请日：2021-02-22

Applicant: QUALCOMM Incorporated

Inventor： June NAMGOONG ,  Taesang YOO ,  Naga BHUSHAN ,  Krishna Kiran MUKKAVILLI ,  Tingfang JI

IPC: H04W72/04 ,  H04W72/12 ,  G06N3/08 ,  H04W84/02 ,  H04W64/00

Abstract: A method of wireless communication by a transmitting device transforms a transmit waveform by an encoder neural network to control power amplifier (PA) operation with respect to non-linearities. The method also transmits the transformed transmit waveform across a propagation channel. A method of wireless communication by a receiving device receives a waveform transformed by an encoder neural network. The method also recovers, with a decoder neural network, the encoder input symbols from the received waveform. A transmitting device for wireless communication calculates distortion error based on a non-distorted digital transmit waveform and a distorted digital transmit waveform. The transmitting device also compresses the distortion error with an encoder neural network of an auto-encoder. The transmitting device transmits to a receiving device the compressed distortion error to compensate for power amplifier (PA) non-linearity.

公开(公告)号：US20210266210A1

公开(公告)日：2021-08-26

申请号：US17154607

申请日：2021-01-21

Applicant: QUALCOMM Incorporated

Inventor： June NAMGOONG ,  Krishna Kiran MUKKAVILLI ,  Taesang YOO ,  Naga BHUSHAN ,  Tingfang JI ,  Jay Kumar SUNDARARAJAN ,  Pavan Kumar VITTHALADEVUNI

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/04 ,  G06N3/08 ,  G06N3/04

Abstract: Certain aspects of the present disclosure provide techniques for generating and decoding orthogonal frequency division (OFDM) waveforms with peak reduction tones (PRTs) designed to reduce PAPR. By generating PRT tones with a machine learning (e.g., neural network) based encoder and mapping some of the PRT tones to subcarriers used for physical channels or signals, PAPR may be reduced while efficiently using system resources.