公开(公告)号：US20220094411A1

公开(公告)日：2022-03-24

申请号：US17447778

申请日：2021-09-15

Applicant: QUALCOMM Incorporated

Inventor： Taesang YOO ,  Pavan Kumar VITTHALADEVUNI ,  Naga BHUSHAN ,  Krishna Kiran MUKKAVILLI ,  Tingfang JI ,  Hwan Joon KWON ,  June NAMGOONG ,  Jay Kumar SUNDARARAJAN ,  Sooryanarayanan GOPALAKRISHNAN ,  Wanshi CHEN

IPC: H04B7/06 ,  G06N3/02 ,  H04B7/0417 ,  H04L5/00

Abstract: A base station may precode a first reference signal using a first precoder (P1) and at least one second reference signal using at least one second precoder (P2). At least two UEs may measure the first reference signal and the at least one second reference signal, and transmit channel state feedback based on the measuring (m11 and m12 for a first UE, and m21 and m22 for a second UE). The channel state feedback may comprise channel state information compressed by at least one neural network. The base station may derive a higher-level precoder (W) for multiple-input multiple-output (MIMO) downlink transmission to the at least two UEs.

公开(公告)号：US20220070041A1

公开(公告)日：2022-03-03

申请号：US17394928

申请日：2021-08-05

Applicant: QUALCOMM Incorporated

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

IPC: H04L27/26 ,  G06N3/04

Abstract: Various embodiments include methods for reducing peak to average power ratio of wireless transmission waveforms, performed in transmitter circuitry of a wireless communication. Various embodiments may include receiving frequency domain data tones, transforming the frequency domain data tones to time domain data signals, generating, using a set of peak reduction tone (PRT) neural networks, time domain PRTs using the time domain data signals in which the set of PRT neural networks have been trained in conjunction with an augmentation neural network, and a receiver neural network, generating an output of the augmentation neural network based on an input of final combined time domain signals including the time domain PRTs combined with previous combined time domain signals, and generating time domain wireless transmission waveforms that include the output of the augmentation neural network combined with the final combined time domain signals.

公开(公告)号：US20220060235A1

公开(公告)日：2022-02-24

申请号：US17444028

申请日：2021-07-29

Applicant: QUALCOMM Incorporated

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

IPC: H04B7/06 ,  G06N3/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a client may determine, using a conditioning network and based at least in part on an observed environmental vector, a set of client-specific parameters. The client may determine a latent vector using a client autoencoder and based at least in part on the set of client-specific parameters and the set of shared parameters. The client may transmit the observed environmental vector and the latent vector to a server. Numerous other aspects are provided.

公开(公告)号：US20210359890A1

公开(公告)日：2021-11-18

申请号：US17319014

申请日：2021-05-12

Applicant: QUALCOMM Incorporated

Inventor： Saeid SAHRAEI ,  Krishna Kiran MUKKAVILLI ,  Gokul SRIDHARAN ,  June NAMGOONG

IPC: H04L27/26 ,  H04W24/10 ,  H04B17/336

Abstract: Aspects presented herein may improve the efficiency and performance of the tone reservation PAPR reduction technique by allocating peak reduction tone based at least in part on a channel condition, such as based on the signal to noise ratio of the channel. In some aspects, a transmitting device measures a signal to noise ratio for a plurality of tones within a frequency resource. The transmitting device selects a location of one or more reserved tones (e.g., peak reduction tones) among one or more tones based at least in part on an SNR for one or more tones. The transmitting device transmits data to a receiving device in a subset of the plurality of tones that does not include the one or more peak reduction tones. Other aspects and features are also disclosed.

公开(公告)号：US20210344536A1

公开(公告)日：2021-11-04

申请号：US17306759

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 set of transmission tones comprising a set of data tones and a set of peak reduction tones (PRTs), wherein the resource allocation indicates locations for the set of data tones and locations for the set of PRTs within a particular bandwidth, wherein the locations for the set of PRTs are arranged relative to the locations for the set of data tones according to a PRT sequence, and wherein the PRT sequence comprises a plurality of contiguous PRTs arranged relative to a plurality of contiguous data tones or a pseudo-random pattern generated using a pseudo-random number generator; 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：US20210194663A1

公开(公告)日：2021-06-24

申请号：US17101987

申请日：2020-11-23

Applicant: QUALCOMM Incorporated

Inventor： Ahmed Attia ABOTABL ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Wanshi CHEN ,  Huilin XU ,  Hung Dinh LY ,  June NAMGOONG ,  Tingfang JI ,  Shimman Arvind PATEL ,  Krishna Kiran MUKKAVILLI

IPC: H04L5/14

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for interference measurement and reporting by a UE. The interference measurement can be self-initiated by the UE or based on a request received from a BS. To measure the interference, the UE transmits a first signal in UL resources to a first BS concurrently with receiving a second signal in DL resources from one of the first BS or a second BS. The received second signal includes interference associated with the transmitted first signal. Based on the received second signal, the UE determines a level of the interference that is associated with the transmitted first signal. Information associated with the level of the interference is then transmitted to the first BS, such as an indication of a guard band that is to be incorporated between the UL resources and the DL resources.

公开(公告)号：US20210153109A1

公开(公告)日：2021-05-20

申请号：US17161162

申请日：2021-01-28

Applicant: QUALCOMM Incorporated

Inventor： Hung LY ,  Joseph Binamira SORIAGA ,  Tingfang Ji ,  Jing JIANG ,  Yang YANG ,  June NAMGOONG

IPC: H04W48/16 ,  H04W48/00 ,  H04W48/14 ,  H04L5/00

Abstract: Aspects of the present disclosure describe receiving, from at least one cell of a zone of multiple cells, a zone-specific signal related to the zone of multiple cells, wherein the zone of multiple cells operate using synchronized timing, acquiring, based on the zone-specific signal, a timing synchronization with a cell of the zone of multiple cells, and communicating with the cell based on the timing synchronization.

公开(公告)号：US20200037235A1

公开(公告)日：2020-01-30

申请号：US16593738

申请日：2019-10-04

Applicant: QUALCOMM Incorporated

Inventor： Hung Dinh LY ,  Joseph Binamira SORIAGA ,  Tingfang Ji ,  Jing JIANG ,  Yang YANG ,  June NAMGOONG

IPC: H04W48/16 ,  H04W48/00 ,  H04W48/14 ,  H04L5/00

Abstract: Aspects of the present disclosure describe receiving, in a portion of bandwidth, a unified synchronization signal from one or more cells in a zone, and receiving, in the portion of bandwidth, a cell-specific signal from at least one cell of the one or more cells in the zone.

公开(公告)号：US20190342042A1

公开(公告)日：2019-11-07

申请号：US16466697

申请日：2017-12-02

Applicant: QUALCOMM INCORPORATED

Inventor： Yu ZHANG ,  Alexandros MANOLAKOS ,  Tao LUO ,  June NAMGOONG

IPC: H04L5/00 ,  H04L1/18

Abstract: Certain aspects of the present disclosure provide techniques for transmitting and processing channel state information (CSI) reference signals (CSI-RS). An exemplary method includes determining a configuration of channel state information reference signals (CSI-RSs), wherein the configuration indicates a set of resource elements (REs) to be used for CSI-RSs and a first mapping of CSI-RS ports to the set of REs; sending an indication of the configuration of the CSI-RSs; and transmitting the CSI-RSs according to the determined configuration.

公开(公告)号：US20190044777A1

公开(公告)日：2019-02-07

申请号：US16155560

申请日：2018-10-09

Applicant: QUALCOMM Incorporated

Inventor： Alexandros MANOLAKOS ,  Jing JIANG ,  June NAMGOONG ,  Tao LUO ,  Joseph Binamira SORIAGA ,  Tingfang JI

IPC: H04L27/26 ,  H04L5/00 ,  H04W72/04 ,  H04W76/28 ,  H04L5/14

Abstract: Aspects of the present disclosure provide a wireless device that communicates with another wireless device utilizing self-contained subframes. The wireless device communicates with a scheduling entity utilizing a plurality of self-contained subframes that include a first subframe and a second subframe. Each of the self-contained subframes includes an uplink (UL) portion and a downlink (DL) portion. The wireless device further receives DL control information from the scheduling entity in the DL portion of the first subframe, and transmits UL data that includes a plurality of reference signal bursts to the scheduling entity in the UL portion of the first subframe. The plurality of reference signal bursts are uniformly spaced in at least a portion of the UL portion of the first subframe.