公开(公告)号：US20220338126A1

公开(公告)日：2022-10-20

申请号：US17232806

申请日：2021-04-16

Applicant: QUALCOMM Incorporated

Inventor： Morteza SOLTANI ,  Jun MA ,  Anantha Krishna Karthik NAGARAJAN ,  Iyab Issam SAKHNINI ,  Wooseok NAM ,  Xiaoxia ZHANG

IPC: H04W52/14 ,  H04W52/52 ,  H04W52/36

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive information relating to a power amplifier backoff adjustment. The mobile station may transmit an uplink communication on a frequency channel using an adjusted power amplifier backoff determined based at least in part on the information. Numerous other aspects are described.

公开(公告)号：US20250080220A1

公开(公告)日：2025-03-06

申请号：US18240919

申请日：2023-08-31

Applicant: QUALCOMM Incorporated

Inventor： Yisheng XUE ,  Karoly BECZE ,  Junyi LI ,  Xiaoxia ZHANG ,  Rajat PRAKASH ,  Jing SUN ,  Sam LIU ,  Morteza SOLTANI

IPC: H04B10/112 ,  H04B1/04

Abstract: Certain aspects of the present disclosure provide a method for wireless communications at a first node, generally including obtaining assistance information using at least one optical sensor and participating in optical wireless communication (OWC) with a second node with beam steering based on the assistance information.

公开(公告)号：US20240430007A1

公开(公告)日：2024-12-26

申请号：US18339856

申请日：2023-06-22

Applicant: QUALCOMM Incorporated

Inventor： Yisheng XUE ,  Karoly BECZE ,  Xiaoxia ZHANG ,  Junyi LI ,  Morteza SOLTANI ,  Jing SUN ,  Sam LIU

IPC: H04B10/112 ,  H04B10/40

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a network entity via an optical wireless communication link, a first optical wireless signal using photodetectors positioned on a photodetector panel of the UE. The photodetector panel may include a hole around which the photodetectors are positioned and may be located a first distance from a curved optical device of the UE via which the first optical wireless signal is received. The UE may transmit, to the network entity via the optical wireless communication link, a second optical wireless signal using a light source of the UE that is located a second distance from the curved optical device via which the second optical wireless signal is transmitted. The second optical wireless signal may pass through the hole in the photodetector panel based on the second distance being greater than the first distance.

公开(公告)号：US20240422040A1

公开(公告)日：2024-12-19

申请号：US18334150

申请日：2023-06-13

Applicant: QUALCOMM Incorporated

Inventor： Mahmoud TAHERZADEH BOROUJENI ,  Morteza SOLTANI ,  Peter GAAL ,  Tao LUO

IPC: H04L27/26 ,  H04W72/20

Abstract: Certain aspects of the present disclosure provide techniques for peak to average power ratio (PAPR) reduction for orthogonal frequency division multiplexing (OFDM). An example method, performed at a transmitter, includes generating a plurality of orthogonal frequency division multiplexed (OFDM) symbols, based on a constellation associated with a modulation scheme, adjusting a phase of at least one of the OFDM symbols based on at least one parameter that depends on a non-integer multiple of a phase distance between two points on the constellation, generating a Discrete Fourier Transform spread OFDM (DFT-s-OFDM) waveform based on the OFDM symbols after the adjustment, and transmitting the DFT-s-OFDM waveform to a receiver.

公开(公告)号：US20240267171A1

公开(公告)日：2024-08-08

申请号：US18166289

申请日：2023-02-08

Applicant: QUALCOMM Incorporated

Inventor： Raviteja PATCHAVA ,  Xiaoxia ZHANG ,  Iyab Issam SAKHNINI ,  Jun MA ,  Morteza SOLTANI ,  Jing SUN

IPC: H04L5/00 ,  H04L27/26

CPC classification number: H04L5/0023 ,  H04L27/2601 ,  H04W8/24

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit capability signaling indicating that orthogonal time frequency space index modulation (OTFS-IM) is supported by the UE. The UE may receive, based at least in part on the capability signaling, an indication of a subblock size of a subblock and an index modulation pattern associated with the subblock for the OTFS-IM. The UE may perform a communication based at least in part on the indication of the subblock size and the index modulation pattern for the OTFS-IM. Numerous other aspects are described.

公开(公告)号：US20240031089A1

公开(公告)日：2024-01-25

申请号：US17813665

申请日：2022-07-20

Applicant: QUALCOMM Incorporated

Inventor： Raviteja PATCHAVA ,  Jing SUN ,  Xiaoxia ZHANG ,  Zhifei FAN ,  Morteza SOLTANI ,  Jun MA ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL

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

CPC classification number: H04L5/0048 ,  H04W72/044 ,  H04L27/2639

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a mobile station may receive, based at least in part on a time-frequency domain resource block that is characterized at least by a frequency span and a time duration, a wireless signal that comprises: a first modulated portion located in a first partition of the time-frequency domain resource block, the first modulated portion being based at least in part on an orthogonal time frequency space (OTFS) modulation scheme, and a second modulated portion located in a second partition of the time-frequency domain resource block, the second modulated portion being based at least in part on a second modulation scheme. The mobile station may recover a channel state information reference signal (CSI-RS) from the first modulated portion or the second modulated portion. Numerous other aspects are described.

公开(公告)号：US20230189265A1

公开(公告)日：2023-06-15

申请号：US17644502

申请日：2021-12-15

Applicant: QUALCOMM Incorporated

Inventor： Raviteja PATCHAVA ,  Jun MA ,  Morteza SOLTANI ,  Xiaoxia ZHANG

IPC: H04W72/04 ,  H04B7/0456 ,  H04B7/01

CPC classification number: H04W72/0406 ,  H04W72/044 ,  H04B7/0456 ,  H04B7/01

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may precode a physical sidelink control channel (PSCCH) communication using a first delay-Doppler precoder. The UE may precode a physical sidelink shared channel (PSSCH) communication using one or more second delay-Doppler precoders. The UE may transmit the PSCCH communication and the PSSCH communication in a slot after precoding the PSCCH communication and the PSSCH communication. Numerous other aspects are described.

公开(公告)号：US20230090492A1

公开(公告)日：2023-03-23

申请号：US17482315

申请日：2021-09-22

Applicant: QUALCOMM Incorporated

Inventor： Jun MA ,  Xiaoxia ZHANG ,  Morteza SOLTANI ,  Raviteja PATCHAVA ,  Elyes BALTI ,  Tao LUO ,  Iyab Issam SAKHNINI ,  Zhifei FAN ,  Dung Ngoc DOAN

IPC: H04L1/00 ,  H03M13/25 ,  H04L27/34

Abstract: Aspects present herein relate to methods and devices for wireless communication including an apparatus, e.g., a UE and/or a base station. The apparatus may encode a plurality of bits associated with QAM, the plurality of bits corresponding to a circular buffer associated with at least one RV, the plurality of bits including a plurality of systematic bits. The apparatus may also transfer the plurality of bits from the circular buffer associated with the at least one RV to a first buffer and a second buffer. Additionally, the apparatus may map the plurality of bits from the first buffer and the second buffer to a plurality of modulation symbols.

公开(公告)号：US20230065940A1

公开(公告)日：2023-03-02

申请号：US17446593

申请日：2021-08-31

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Jun MA ,  Morteza SOLTANI ,  Raviteja PATCHAVA ,  Jing SUN ,  Iyab Issam SAKHNINI ,  Tao LUO ,  Peter GAAL

IPC: H04L27/26 ,  H04L5/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive first configuration information indicating a first guard interval associated with sidelink communications. The UE may transmit, to a base station and another UE, a first sidelink communication using the first guard interval. The UE may transmit, to the base station and using a second guard interval having a second length that is different from a first length of the first guard interval, an uplink communication. Numerous other aspects are described.

公开(公告)号：US20230053650A1

公开(公告)日：2023-02-23

申请号：US17405596

申请日：2021-08-18

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Raviteja PATCHAVA ,  Morteza SOLTANI ,  Jun MA ,  Jing SUN ,  Peter GAAL ,  Iyab Issam SAKHNINI

IPC: H04L27/26 ,  H04W28/26 ,  H04W72/04 ,  H04W72/12

Abstract: Disclosed are techniques for wireless communication. In an aspect, a wireless device maps data, a unique word (UW) sequence, and a suppression signal to a set of reserved time-domain resources based on a time-domain resource mapping and reservation rule to produce DFT input data. DFT processing is performed on the DFT input data to produce IFFT input data. IFFT processing is performed on the IFFT input data to produce the GI-based waveform with a data part (e.g., non-zero part) and a tail part (e.g., zero tail part). The wireless device may further transmit the GI-based waveform.