公开(公告)号：US11438129B2

公开(公告)日：2022-09-06

申请号：US16773573

申请日：2020-01-27

Applicant: QUALCOMM Incorporated

Inventor： Michael Levitsky ,  Assaf Touboul ,  Arthur Gubeskys ,  Haim Mendel Weissman ,  Guy Wolf

IPC: H04L5/14 ,  H04B17/318 ,  H04W72/14 ,  H04W72/04

Abstract: Aspects described herein relate to configuring devices for performing full duplex communications, which may include inband full duplex communications for a given device or concurrent uplink and downlink communications for pairs or groups of devices.

公开(公告)号：US11432230B2

公开(公告)日：2022-08-30

申请号：US17033137

申请日：2020-09-25

Applicant: QUALCOMM Incorporated

Inventor： Shay Landis ,  Assaf Touboul ,  Yehonatan Dallal ,  Idan Michael Horn ,  Michael Levitsky ,  Ran Berliner

IPC: H04W4/00 ,  H04W48/14 ,  H04W24/10 ,  H04W48/16 ,  H04W72/12

Abstract: Aspects of disclosure relate to a UE reporting to a gNB time delays and phases of pilot signals received via multiple transmission paths in order for the gNB to pre-equalize a future transmission to the UE. The UE determines a first time delay for receiving a first pilot signal from a gNB via a first path, determines a second time delay for receiving a second pilot signal from the gNB via a second path, and generates a report based on the first time delay and the second time delay. The UE then sends the report to the gNB and receives a multi-TRP signal from the gNB via the first path and the second path, wherein the multi-TRP signal is pre-equalized for transmission based on the report to at least have a same time delay as a shorter one of the first time delay or the second time delay.

公开(公告)号：US11424975B2

公开(公告)日：2022-08-23

申请号：US17071592

申请日：2020-10-15

Applicant: QUALCOMM Incorporated

Inventor： Shay Landis ,  Assaf Touboul ,  Amit Bar-Or Tillinger ,  Gideon Shlomo Kutz ,  Michael Levitsky ,  Guy Wolf

IPC: H04J13/00 ,  H04L27/26 ,  H04L27/20 ,  H04L27/04 ,  H04L5/00 ,  H04W72/04 ,  H04B7/06 ,  H04L1/00 ,  H04L27/233 ,  H04B7/0456 ,  H03M7/30

Abstract: In one aspect, performing, by a wireless communication device, a non-coherent encoding operation on first data to generate a first transmission, wherein the non-coherent encoding operation encodes data independent of channel state information (CSI); and transmitting, by the wireless communication device, the first transmission, wherein the first transmission is non-coherently encoded. In another aspect, receiving, by a wireless communication device, a first transmission, wherein the first transmission is non-coherently encoded independent of channel state information (CSI); and performing, by the wireless communication device, a non-coherent decoding operation on the first transmission to decode the first transmission. Other aspects and features are also claimed and described.

公开(公告)号：US11316616B2

公开(公告)日：2022-04-26

申请号：US16797693

申请日：2020-02-21

Applicant: QUALCOMM INCORPORATED

Inventor： Gideon Shlomo Kutz ,  Amit Bar-Or Tillinger ,  Assaf Touboul ,  Shay Landis ,  Michael Levitsky ,  Guy Wolf ,  Ronen Shaked

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/00

Abstract: Methods related to wireless communication systems and the transmission of code blocks on such systems are provided. A wireless communication device interleaves a plurality of code block segments in time and frequency. The segments are interleaved by mapping a first code block segment of the plurality of code block segments to a first resource located at a first time and a first frequency, wherein the first code block segment is associated with a first code block, and mapping a second code block segment of the plurality of code block segments to a second resource based on at least one of the first time or the first frequency of the first resource and a code block proximity parameter, wherein the second code block segment is associated with a second code block different from the first code block. The device then transmits the plurality of interleaved code block segments. Other features are also claimed and described.

公开(公告)号：US11233559B2

公开(公告)日：2022-01-25

申请号：US16703552

申请日：2019-12-04

Applicant: QUALCOMM Incorporated

Inventor： Michael Levitsky ,  Ran Berliner ,  Ori Auslender ,  Ruhua He ,  Ran Iron

IPC: H04B7/08 ,  H04B7/06 ,  H04B7/01 ,  H04W24/10 ,  H04W16/28

Abstract: Methods, systems, and devices for wireless communications are described that provide for adjustment of a frequency offset based on switching between uplink/downlink (UL/DL) transmission/reception beam pairs between a UE and a base station. A connection may be established via a first UL/DL transmission/reception beam pair and a frequency tracking loop may be established and maintained to correct for frequency error (e.g., due to Doppler shift) of received transmissions at a receiving device. In cases where a beam switch is performed, and the UE and base station switch from the first UL/DL transmission/reception beam pair to a second UL/DL transmission/reception beam pair, and a frequency offset difference between the first and second UL/DL transmission/reception beam pairs may be applied to the frequency tracking loop. The frequency offset difference may be obtained from a table of frequency offset measurements of multiple UL/DL beam pairs using associated reference signal transmissions.

公开(公告)号：US20220014316A1

公开(公告)日：2022-01-13

申请号：US17351877

申请日：2021-06-18

Applicant: QUALCOMM Incorporated

Inventor： Michael Levitsky ,  Assaf Touboul ,  Daniel Paz

IPC: H04L1/18 ,  H04L1/06

Abstract: Methods, systems, and devices for wireless communications are described. One method may include a user equipment (UE) receiving, in a first transmission time interval, a code block group including a set of code blocks associated with a set of codewords, each codeword being associated with one of a set of decoding levels introduced in communication scheme that uses multi-level coded modulation and multi-level sequential decoding. The UE may determine that a decoding procedure is unsuccessful, and transmit a feedback message including a first indicator that the decoding procedure was unsuccessful and a second indicator of a lowest decoding level for which the decoding procedure was unsuccessful. The UE may then receive, from the base station in a second transmission time interval, a retransmission of code blocks of the lowest failed decoding level coupled to a new data transmission for code blocks associated with all other decoding levels.

公开(公告)号：US11206073B2

公开(公告)日：2021-12-21

申请号：US16678740

申请日：2019-11-08

Applicant: QUALCOMM Incorporated

Inventor： Igor Gutman ,  Michael Levitsky ,  Ran Berliner ,  Shay Landis ,  Gideon Shlomo Kutz

IPC: H04B7/06 ,  H04L5/00 ,  H04W56/00 ,  H04W72/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may synchronize a beam switch of the base station with transmission of a reference signal for channel state feedback, and schedule a channel state feedback report to be transmitted after the transmission of the reference signal for channel state feedback. Numerous other aspects are provided.

公开(公告)号：US20210359800A1

公开(公告)日：2021-11-18

申请号：US16876372

申请日：2020-05-18

Applicant: QUALCOMM Incorporated

Inventor： Michael Levitsky ,  Assaf Touboul ,  Igor Gutman ,  Shay Landis ,  Ran Berliner

IPC: H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described. A link quality characteristic may be determined for a channel having a set of channel characteristics. The determined link quality characteristic may be used to estimate the equivalent link quality characteristic for different demodulation reference signal configurations given the side information of the set of channel characteristics. A mapping defined per set of channel characteristics may be used to determine the estimated equivalent link quality characteristics from the determined link quality characteristic. A demodulation reference signal configuration may be selected based on the estimated equivalent link quality characteristics and a communication efficiency metric. The demodulation reference signal configuration that maximizes the communication efficiency metric may be selected. The selected demodulation reference signal may be signaled to a device that transmits demodulation reference signals.

公开(公告)号：US20210336754A1

公开(公告)日：2021-10-28

申请号：US17184406

申请日：2021-02-24

Applicant: QUALCOMM Incorporated

Inventor： Idan Michael Horn ,  Amit Bar-Or Tillinger ,  Michael Levitsky ,  Eliyahu Arbiv

IPC: H04L5/00 ,  H04W72/12 ,  H04L27/26 ,  H04W72/04 ,  H04W76/12

Abstract: Methods, systems, and devices for wireless communications are described. A transmitting device may encode a set of data bits on a set of subcarriers based on a boosting factor, and map the set of encoded data bits to a resource block including a first subset of subcarriers corresponding to the set of encoded data bits and a second subset of subcarriers corresponding to a set of null bits. The transmitting device may generate and transmit a signal including the set of encoded data bits. A receiving device may receive a modulated signal on a set of subcarriers, and de-map the modulated signal to a first subset of subcarriers and a second subset of subcarriers based on a boosting factor. The receiving device may decode the first subset of subcarriers to a first set of data bits and the second subset of subcarriers to a second set of data bits.

公开(公告)号：US12244443B2

公开(公告)日：2025-03-04

申请号：US18338059

申请日：2023-06-20

Applicant: QUALCOMM Incorporated

Inventor： Daniel Paz ,  Michael Levitsky ,  Tom Barak ,  Assaf Touboul ,  Alexander Sverdlov

IPC: H04L27/01 ,  H04L5/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. Some aspects more specifically relate to discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM) waveform pre-equalization for MIMO communications. A receiver device, such as an extended reality (XR) device, may be configured to offload a portion of data processing to a companion device, such as a user equipment (UE). In some aspects, the UE may generate a DFT-S-OFDM waveform and may apply a pre-equalization to the DFT-S-OFDM waveform. Applying the pre-equalization to the DFT-S-OFDM waveform may include applying a minimum mean square error (MMSE) pre-equalization to the DFT-S-OFDM waveform. The receiver device may receive the pre-equalized DFT-S-OFDM waveform from the UE and may process the pre-equalized DFT-S-OFDM waveform. For example, the receiver device may decode the pre-equalized DFT-S-OFDM waveform without performing fast Fourier transform (FFT) or inverse discrete Fourier transform (IDFT) operations.