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    PEAK SUPPRESSION INFORMATION MULTIPLEXING ON DOWNLINK SHARED CHANNEL
    11.
    发明申请
    PEAK SUPPRESSION INFORMATION MULTIPLEXING ON DOWNLINK SHARED CHANNEL 有权

    公开(公告)号：US20210328752A1

    公开(公告)日：2021-10-21

    申请号：US17031876

    申请日：2020-09-24

    Applicant: QUALCOMM Incorporated

    Inventor： Ory Eger ,  Assaf Touboul ,  Noam Zach ,  Sharon Levy ,  Guy Wolf ,  Shay Landis ,  Ran Berliner

    IPC: H04L5/02 ,  H04L27/26 ,  H04L5/00

    Abstract: A base station may multiplex a peak suppression information message (PSIM) on a physical downlink shared channel (PDSCH) with data for efficient implementation of PSIMs for peak to average power ratio (PAPR) reduction. A base station may clip peaks from a signal to be transmitted and capture information of the clipped peaks into a PSIM. The base station may then multiplex the PSIM on the PDSCH such that a receiving device (for example, a user equipment (UE)) may receive the signal and reconstruct the signal (for example, PDSCH data) using the PSIM. According to some aspects, each PDSCH symbol may include a PSIM for a previous PDSCH symbol, or the PSIM may be for the current symbol. Various aspects of the techniques described herein may further provide for PSIM positioning in frequency, PSIM modulation, PSIM channel coding, PSIM multiple-input multiple-output (MIMO) configurations, among other examples.

    TURBO PEAK RECONSTRUCTION FOR HYBRID PAPR REDUCTION SCHEME
    12.
    发明申请
    TURBO PEAK RECONSTRUCTION FOR HYBRID PAPR REDUCTION SCHEME 有权

    公开(公告)号：US20210234740A1

    公开(公告)日：2021-07-29

    申请号：US17146696

    申请日：2021-01-12

    Applicant: QUALCOMM Incorporated

    Inventor： Ory Eger ,  Assaf Touboul ,  Noam Zach ,  Sharon Levy ,  Guy Wolf ,  Shay Landis ,  Ran Berliner ,  Gideon Kutz

    IPC: H04L27/26

    Abstract: Methods, systems, and devices for wireless communications are described. In one example, a receiving device (e.g., a UE) may transmit, to a transmitting device (e.g., a base station), a capability indicator indicating a capability of the receiving device to perform peak reconstruction using soft metrics (e.g., expected value, covariance) on symbol decisions. The receiving device may receive, from the transmitting device and based on the capability indicator, control signaling indicating a clipping level applied to generate a signal and a subset of peaks clipped from the signal. The receiving device may receive the signal generated in accordance with the control signaling from the transmitting device and may decode a reconstructed signal based on performing the peak reconstruction on the signal using the soft metrics on symbol decisions, the clipping level, and the subset of the peaks clipped from the signal.

    Spectral efficiency for tone reservation peak-to-average power ratio reduction
    16.
    发明授权
    Spectral efficiency for tone reservation peak-to-average power ratio reduction 有权

    公开(公告)号：US11563614B2

    公开(公告)日：2023-01-24

    申请号：US17190144

    申请日：2021-03-02

    Applicant: QUALCOMM Incorporated

    Inventor： David Yunusov ,  Shay Landis ,  Ory Eger

    IPC: H04L27/26

    Abstract: Methods, systems, and devices for wireless communications are described. In one example, a transmitting device may identify first and second portions of data to include in a data transmission. The transmitting device may encode the second portion by a configuration of a first subset of resource elements. The transmitting device may transmit, via the data transmission, first signals representative of the first portion over the first subset and one or more second signals over a second subset of resource elements. A receiving device may receive the data transmission and may identify that the one or more second signals include content other than data of the data transmission. The receiving device may decode the first signals in order to identify the first portion and the configuration in order to identify the second portion. The receiving device may refrain from decoding the one or more second signals based on the identifying.

    Hybrid automatic repeat request (HARQ) techniques for reducing peak-to-average power ratio (PAPR)
    17.
    发明授权
    Hybrid automatic repeat request (HARQ) techniques for reducing peak-to-average power ratio (PAPR) 有权

    公开(公告)号：US11539565B2

    公开(公告)日：2022-12-27

    申请号：US17153315

    申请日：2021-01-20

    Applicant: QUALCOMM Incorporated

    Inventor： Ory Eger ,  Guy Wolf ,  Assaf Touboul ,  Noam Zach ,  Sharon Levy ,  Ori Ben Shahar ,  Ran Berliner

    IPC: H04L27/26 ,  H04L5/00 ,  H04L1/00

    Abstract: This disclosure provides methods, devices and systems for reducing PAPR in wireless communications. Some implementations more specifically relate to suppressing the amplitudes of a data signal that exceed a threshold amplitude level. The data signal may represent transmit (TX) data associated with a hybrid automatic repeat request (HARQ) process. In some implementations, a transmitting device may detect one or more peaks associated with the data signal. The transmitting device may reduce the amplitudes of the samples associated with the detected peaks to produce the amplitude-suppressed data signal. The transmitting device may further generate peak suppression information indicating the amplitudes of one or more of the samples associated with the peaks. In response to receiving a NACK message, the transmitting device may transmit, to the receiving device, the peak suppression information, one or more coded bits representing the TX data (associated with the HARQ process), or any combination thereof.

    Multi-stage signal reconstruction
    18.
    发明授权
    Multi-stage signal reconstruction 有权

    公开(公告)号：US11496171B1

    公开(公告)日：2022-11-08

    申请号：US17308523

    申请日：2021-05-05

    Applicant: QUALCOMM Incorporated

    Inventor： Yaron Laufer ,  Gideon Kutz ,  Elad Meir ,  Ory Eger ,  Assaf Touboul

    IPC: H04B1/12 ,  H04B1/10 ,  H04L27/26

    Abstract: Aspects relate to reconstructing a received non-linearly distorted (e.g., clipped) signal. A transmitting device may non-linearly distort a signal to be transmitted (e.g., by clipping peaks of the signal). This non-linear distortion may adversely affect decoding of the signal at a receiving device. To improve decoding performance at the receiving device, the transmitting device provides information regarding some of the non-linear distortion (e.g., information regarding a subset of the peaks that have been clipped) to the receiving device. The receiving device may reconstruct the signal based on this information (e.g., by reconstructing the subset of the peaks and adding the reconstructed peaks to the received clipped signal). In addition, the receiving device estimates the remaining non-linear distortion in the reconstructed signal (e.g., due to clipped peaks that were not indicated in the clipping information) by slicing the reconstructed signal and clipping the sliced signal, and provides a final reconstructed signal.

    Peak suppression information multiplexing on uplink shared channel
    19.
    发明授权
    Peak suppression information multiplexing on uplink shared channel 有权

    公开(公告)号：US11424897B2

    公开(公告)日：2022-08-23

    申请号：US17031006

    申请日：2020-09-24

    Applicant: QUALCOMM Incorporated

    Inventor： Ory Eger ,  Assaf Touboul ,  Noam Zach ,  Sharon Levy ,  Guy Wolf ,  Shay Landis ,  Ran Berliner

    IPC: H04L5/26 ,  H04L5/02 ,  H04L5/00 ,  H04L27/26

    Abstract: A user equipment (UE) may multiplex peak suppression information message (PSIM) on a physical uplink shared channel (PUSCH) with data for efficient implementation of PSIMs for peak to average power ratio (PAPR) reduction. A UE may clip peaks from a signal to be transmitted and capture information of the clipped peaks into a PSIM. The UE may then multiplex the PSIM on the PUSCH such that a receiving device (for example, a base station) may receive the signal and reconstruct the signal (for example, PUSCH data) using the PSIM. According to some aspects, each PUSCH symbol may include a PSIM for a previous PUSCH symbol (for example, such that causality is preserved if multiplexing PSIM and data for each PUSCH symbol). Various aspects of the techniques described herein may further provide for PSIM positioning in frequency, PSIM modulation, PSIM channel coding, PSIM multiple-input multiple-output (MIMO) configurations, among other examples.

    NON-LINEAR REFERENCE SIGNAL DESIGN
    20.
    发明申请
    NON-LINEAR REFERENCE SIGNAL DESIGN 有权

    公开(公告)号：US20220217017A1

    公开(公告)日：2022-07-07

    申请号：US17141190

    申请日：2021-01-04

    Applicant: QUALCOMM Incorporated

    Inventor： Noam Zach ,  Ori Ben Shahar ,  Guy Wolf ,  Sharon Levy ,  Igor Gutman ,  Ory Eger ,  Assaf Touboul

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

    Abstract: Methods, systems, and devices for wireless communications are described. A receiving device may receive a channel estimation reference signal (CHEST-RS) transmitted over a bandwidth, the CHEST-RS associated with a power amplifier (PA) configuration of a transmitting device. The receiving device may determine a channel estimation measurement associated with the PA configuration based at least in part on the CHEST-RS. The receiving device may receive a non-linear estimation reference signal (NLEST-RS) transmitted over a subset bandwidth of the bandwidth, the NLEST-RS associated with the PA configuration. The receiving device may determine a non-linear estimation measurement associated with the PA configuration based at least in part on the NLEST-RS and the CHEST-RS, the non-linear estimation measurement identifying a non-linear response of the PA configuration. The receiving device may communicate with the transmitting device based at least in part on the channel estimation measurement and the non-linear response of the PA configuration.

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