公开(公告)号：US20160269157A1

公开(公告)日：2016-09-15

申请号：US14866778

申请日：2015-09-25

Applicant: QUALCOMM Incorporated

Inventor： Joseph Binamira Soriaga ,  Jing Jiang ,  Krishna Kiran Mukkavilli ,  Pavan Kumar Vitthaladevuni ,  Naga Bhushan ,  Tingfang Ji ,  John Edward Smee

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/0452 ,  H04B7/0617 ,  H04L5/0051

Abstract: Systems and techniques are disclosed to enhance the efficiency of available bandwidth between UEs and base stations. A UE transmits a sounding reference signal (SRS) to the base station. The base station characterizes the uplink channel based on the SRS received and, using reciprocity, applies the channel characterization for the downlink channel. As part of applying the channel information, the base station forms the beam to the UE based on the uplink channel information obtained from the SRS. The UE may include an array of antennas, each UE transmitting a different SRS that the base station receives and uses to characterize the downlink. Multiple UEs (or a single UE with multiple antennas) transmit SRS at the same time and frequency allocation (non-orthogonal), but with each sending its own unique SRS. Further, multiple UEs (or a single UE with multiple antennas) may send their SRS at unique time/frequency allocations (orthogonal).

Abstract translation: 公开了系统和技术来增强UE和基站之间可用带宽的效率。 UE向基站发送探测参考信号（SRS）。 基站基于所接收的SRS来表征上行链路信道，并且使用互易性对下行链路信道应用信道特性。 作为应用信道信息的一部分，基站根据从SRS获得的上行链路信道信息向UE形成波束。 UE可以包括天线阵列，每个UE发射基站接收并用于表征下行链路的不同SRS。 多个UE（或具有多个天线的单个UE）以相同的时间和频率分配（非正交）发送SRS，但是每个发送其自己的唯一SRS。 此外，多个UE（或具有多个天线的单个UE）可以以唯一的时间/频率分配（正交）发送其SRS。

公开(公告)号：US12245251B2

公开(公告)日：2025-03-04

申请号：US18324005

申请日：2023-05-25

Applicant: QUALCOMM Incorporated

Inventor： June Namgoong ,  Taesang Yoo ,  Naga Bhushan ,  Tingfang Ji ,  Krishna Kiran Mukkavili ,  Jay Kumar Sundararajan ,  Pavan Kumar Vitthaladevuni

IPC: H04W72/23 ,  H03F1/32 ,  H04L5/00 ,  H04W72/044

Abstract: Methods, systems, and devices for wireless communications are described. A first device and a second device may communicate via a channel. The first device may generate and transmit a reference signal, which may be a distortion probing reference signal with a high peak to average power ratio. In one implementation, the first device may use the reference signal as an input for a neural network model to learn a nonlinear response of the second device transmission components. In another implementation, the second device may sample the generated reference signal, and use the samples as inputs for a neural network model to learn the nonlinear response. The first device and the second device may exchange signaling based on learning the nonlinear response, and each device may compensate for the nonlinear response when communicating via the channel.

公开(公告)号：US12237947B2

公开(公告)日：2025-02-25

申请号：US18004839

申请日：2021-08-17

Applicant: QUALCOMM Incorporated

Inventor： June Namgoong ,  Taesang Yoo ,  Naga Bhushan ,  Pavan Kumar Vitthaladevuni ,  Jay Kumar Sundararajan ,  Wanshi Chen ,  Krishna Kiran Mukkavilli ,  Hwan Joon Kwon ,  Alexandros Manolakos ,  Tingfang Ji

IPC: H04L25/02 ,  G06N3/0455 ,  H04L25/03

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a client may select, based at least in part on a classifier, an autoencoder of a set of autoencoders to be used for encoding an observed wireless communication vector to generate a latent vector. The client may transmit the latent vector and an indication of the autoencoder. Numerous other aspects are provided.

公开(公告)号：US12088378B2

公开(公告)日：2024-09-10

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: H04J3/14 ,  G06N3/02 ,  H04B7/0417 ,  H04B7/06 ,  H04L5/00

CPC classification number: H04B7/0626 ,  G06N3/02 ,  H04B7/0417 ,  H04L5/0051

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：US12015947B2

公开(公告)日：2024-06-18

申请号：US17365510

申请日：2021-07-01

Applicant: QUALCOMM Incorporated

Inventor： Pavan Kumar Vitthaladevuni ,  Taesang Yoo ,  Naga Bhushan

IPC: H03M7/34 ,  G06N20/20 ,  H03M7/30 ,  H04W24/10 ,  H04W28/06

CPC classification number: H04W28/06 ,  G06N20/20 ,  H03M7/6011 ,  H04W24/10 ,  H03M7/3059

Abstract: Certain aspects of the present disclosure provide techniques for measurement encoding and decoding using neural networks to compress and decompress measurement data. One example method generally includes: generating, via each of a plurality of neural network encoders operating on measurement data, a compressed measurement based on a respective portion of the measurement data, wherein each of the neural network encoders is based on the same neural network model; generating at least one message indicative of the measurement data based on the compressed measurements; and transmitting the at least one message.

公开(公告)号：US11984955B2

公开(公告)日：2024-05-14

申请号：US17801505

申请日：2020-04-17

Applicant: QUALCOMM Incorporated

Inventor： Bo Chen ,  Pavan Kumar Vitthaladevuni ,  Taesang Yoo ,  Naga Bhushan ,  Jay Kumar Sundararajan ,  Ruifeng Ma ,  June Namgoong ,  Krishna Kiran Mukkavilli ,  Hao Xu ,  Tingfang Ji

IPC: H04B7/06

CPC classification number: H04B7/0626 ,  H04B7/0695

Abstract: A method of wireless communication, by a user equipment (UE), includes receiving multiple neural network training configurations for channel state feedback (CSF). Each configuration corresponds to a different neural network framework. The method also includes training each of a group of neural network decoder/encoder pairs in accordance with the received training configurations. A method of wireless communication, by a base station, includes transmitting multiple neural network training configurations to a user equipment (UE) for channel state feedback (CSF). Each configuration corresponds to a different neural network framework. The method also includes receiving a neural network decoder/encoder pair trained in accordance with the training configurations.

公开(公告)号：US11949618B2

公开(公告)日：2024-04-02

申请号：US18194479

申请日：2023-03-31

Applicant: QUALCOMM Incorporated

Inventor： Hung Dinh Ly ,  June Namgoong ,  Taesang Yoo ,  Krishna Kiran Mukkavilli ,  Naga Bhushan ,  Tingfang Ji ,  Hwan Joon Kwon ,  Pavan Kumar Vitthaladevuni ,  Jay Kumar Sundararajan

IPC: H04L5/00 ,  H04B17/309

CPC classification number: H04L5/0048 ,  H04B17/309

Abstract: Methods, systems, and devices for wireless communications are described. A configuration for a reference signal used to determine a non-linear behavior of transmission components at a transmitting device may be determined. The configuration for the reference signal may be determined based on signaling transmitted by the transmitting device, signaling transmitted by a device that receives the reference signal, or both. Additionally, or alternatively, the configuration for the reference signal may be determined based on a configuration of other signals transmitted by the transmitting device prior to or concurrently with the transmission of the reference signal. The determined configuration may be used to generate and transmit the reference signal or to determine a configuration of a received reference signal. In both cases, a non-linear response of transmission components at the transmitting device may be determined based on the reference signal.

公开(公告)号：US11916826B2

公开(公告)日：2024-02-27

申请号：US17735539

申请日：2022-05-03

Applicant: QUALCOMM Incorporated

Inventor： Joseph Binamira Soriaga ,  Jing Jiang ,  Krishna Kiran Mukkavilli ,  Pavan Kumar Vitthaladevuni ,  Naga Bhushan ,  Tingfang Ji ,  John Edward Smee

IPC: H04L5/00 ,  H04B7/0452 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/0452 ,  H04B7/0617 ,  H04L5/0051

Abstract: Systems and techniques are disclosed to enhance the efficiency of available bandwidth between UEs and base stations. A UE transmits a sounding reference signal (SRS) to the base station. The base station characterizes the uplink channel based on the SRS received and, using reciprocity, applies the channel characterization for the downlink channel. As part of applying the channel information, the base station forms the beam to the UE based on the uplink channel information obtained from the SRS. The UE may include an array of antennas, each UE transmitting a different SRS that the base station receives and uses to characterize the downlink. Multiple UEs (or a single UE with multiple antennas) transmit SRS at the same time and frequency allocation (non-orthogonal), but with each sending its own unique SRS. Further, multiple UEs (or a single UE with multiple antennas) may send their SRS at unique time/frequency allocations (orthogonal).

公开(公告)号：US11909482B2

公开(公告)日：2024-02-20

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 ,  G06N3/045

CPC classification number: H04B7/0626 ,  G06N3/045 ,  H04B7/0663

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：US11824688B2

公开(公告)日：2023-11-21

申请号：US17309369

申请日：2018-11-21

Applicant: QUALCOMM Incorporated

Inventor： Bo Chen ,  Pavan Kumar Vitthaladevuni ,  Joseph Binamira Soriaga ,  Ruifeng Ma ,  Alexandros Manolakos ,  Yeliz Tokgoz ,  Tingfang Ji ,  Hao Xu

IPC: H04W24/10 ,  H04L25/02 ,  H04L5/00

CPC classification number: H04L25/0202 ,  H04L5/0057 ,  H04W24/10

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a signaling communication that includes information specifying whether a channel state information reference signal (CSI-RS) precoding resource block group includes a same quantity of resource blocks (RBs) that is included in a CSI reporting subband configured for the UE. The CSI-RS precoding resource block group may enable the UE to perform a channel estimation based at least in part on a CSI-RS transmitted by a base station. The UE may perform the channel estimation based at least in part on the CSI-RS transmitted by the base station. The channel estimation may be based at least in part on whether the CSI-RS precoding resource block group includes the same quantity of RBs that is included in the CSI reporting subband configured for the UE. Numerous other aspects are provided.