公开(公告)号：US12069682B2

公开(公告)日：2024-08-20

申请号：US17447643

申请日：2021-09-14

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Arumugam Chendamarai Kannan ,  Srinivas Yerramalli ,  Xiaoxia Zhang

IPC: H04W72/23 ,  H04L5/00 ,  H04W72/0453

CPC classification number: H04W72/23 ,  H04L5/0094 ,  H04W72/0453

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, a first radio resource control (RRC) configuration message that is associated with a first subband and that indicates a first set of transmission configuration indicator (TCI) states for use on the first subband. The UE may further receive, from the base station, a second RRC configuration message that is associated with a second subband included in the wideband channel and that indicates a second set of TCI states for use on the second subband. As an alternative, the UE may receive, from the base station, an RRC configuration message that includes at least a first list of first TCI states associated with a first subband and a second list of second TCI states associated with a second subband. Numerous other aspects are described.

公开(公告)号：US20240040616A1

公开(公告)日：2024-02-01

申请号：US17878752

申请日：2022-08-01

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Xiaoxia Zhang ,  Rajat Prakash

IPC: H04W74/08

CPC classification number: H04W74/0808

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for channel occupancy sharing conditions for beam-based channel access. In some aspects, one or more wireless devices may support a beam-based channel access procedure according to which a first wireless device may share a channel occupancy time (COT) of a second wireless device without performing a listen-before-talk (LBT) procedure if one or more conditions associated with a transmission from the first wireless device are satisfied. Such conditions may be associated with whether a directional beam used by the first wireless device satisfies a narrow beam condition, a time gap between a transmission from the second wireless device and a transmission from the first wireless device, or a duration of a continuous transmission from the first wireless device, or any combination thereof.

公开(公告)号：US20230403584A1

公开(公告)日：2023-12-14

申请号：US17837922

申请日：2022-06-10

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Rajat Prakash ,  Srinivas Yerramalli

IPC: H04W24/08 ,  H04W72/04 ,  H04W24/10

CPC classification number: H04W24/08 ,  H04W72/0413 ,  H04W24/10 ,  H04W72/042

Abstract: Methods, systems, and devices for wireless communications are described. The method may include the user equipment (UE) receiving control signaling indicating a set of schemes for reporting an environmental state associated with the UE and measuring one or more channel characteristics according to a scheme of the set of schemes. Moreover, the UE may transmit a report indicating the environmental state associated with the UE based on measuring the one or more channel characteristics. A machine learning model implemented by the UE, a network entity, or both is based on the indicated environmental state associated with the UE.

公开(公告)号：US12255720B2

公开(公告)日：2025-03-18

申请号：US18516692

申请日：2023-11-21

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Arumugam Chendamarai Kannan ,  Srinivas Yerramalli ,  Xiaoxia Zhang

IPC: H04B7/06 ,  H04B7/0426 ,  H04B17/10

Abstract: Methods, systems, and devices for wireless communication are described. Aspects of the disclosure describe narrow beam-based channel access that enables a device to communicate in a shared radio frequency spectrum band without performing channel access procedures. Specifically, aspects of the disclosure describe techniques for defining one or more directional beams as a narrow beam, where the relative narrowness of the beam may be determined in the context of interference (e.g., as opposed to being defined from a geometric perspective). For example, a particular beam may be determined to be a narrow beam, and therefore associated with communications in shared radio frequency spectrum bands without channel access procedures, based on one or more metrics and a number of spatial streams associated with the beam. A device may use such narrow beams for communications without channel access procedures in shared radio frequency spectrum bands.

公开(公告)号：US20250071717A1

公开(公告)日：2025-02-27

申请号：US18455289

申请日：2023-08-24

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Mohamad Sayed Hassan ,  Srinivas Yerramalli

IPC: H04W64/00 ,  H04J3/06 ,  H04L5/00

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support machine learning (ML)-based positioning that mitigates user equipment (UE) clock drift. In some aspects, a UE may receive, from a network entity, positioning configuration that indicates positioning operations to be performed to gather training data to train an ML positioning model to account for UE clock drift. The UE may monitor for positioning reference signals from a transmit/receive point and transmit positioning measurements to a training entity. The positioning measurements may include multiple measurements at a fixed location, or the UE may augment the positioning measurements based on simulated clock drift measurements. Alternatively, the UE may transmit clock drift information with the positioning measurements to the training entity. Alternatively, the UE may utilize a hybrid approach that combines multiple positioning measurements with augmentation or providing clock drift information. Other aspects and features are also claimed and described.

公开(公告)号：US12206465B2

公开(公告)日：2025-01-21

申请号：US17657920

申请日：2022-04-04

Applicant: QUALCOMM Incorporated

Inventor： Roohollah Amiri ,  Srinivas Yerramalli ,  Taesang Yoo ,  Mohammed Ali Mohammed Hirzallah ,  Marwen Zorgui ,  Mohammad Tarek Fahim ,  Rajat Prakash ,  Xiaoxia Zhang

IPC: H04B17/391 ,  H04B17/309 ,  H04W4/02 ,  H04W24/02 ,  H04W24/10 ,  H04W64/00

Abstract: Methods and apparatus for predicting wireless measurements based on virtual access points is described. In some embodiments, a location of a user equipment (UE) may be obtained, and given the location of the UE, an output may be generated using a machine learning model, the output including one or more predicted wireless measurements. The output may be indicative of a wireless channel in a multipath environment. In some variants, the machine learning model may have been trained by obtaining a training dataset including multipath components data and ground truth locations of a wireless device, and performing an optimization with respect to the multipath components data and the ground truth locations. In some implementations, a training output including a predicted multipath component may be produced during the training, and the optimization may include an iterative minimization of an error between at least the predicted multipath component and a labeled multipath component.

公开(公告)号：US12004115B2

公开(公告)日：2024-06-04

申请号：US17648239

申请日：2022-01-18

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Srinivas Yerramalli ,  Rajat Prakash ,  Taesang Yoo ,  Xiaoxia Zhang ,  Roohollah Amiri ,  Marwen Zorgui

IPC: H04W64/00 ,  H04W72/20 ,  H04W72/51

CPC classification number: H04W64/00 ,  H04W72/20 ,  H04W72/51

Abstract: In an aspect, a first user equipment (UE) obtains one or more first radio frequency fingerprint (RFFP) measurements of one or more first downlink channels received at the first UE, one or more first sidelink channels received at the first UE, or both, and determines one or more locations of a target UE based on the one or more first RFFP measurements and a machine learning module, wherein the machine learning module is trained based on previously collected RFFP measurements of one or more downlink channels, RFFP measurements of one or more uplink channels, RFFP measurements of one or more sidelink channels, locations of one or more sidelink anchor UEs, locations of one or more base stations, or any combination thereof.

公开(公告)号：US20240147534A1

公开(公告)日：2024-05-02

申请号：US18049933

申请日：2022-10-26

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Ahmed Attia Abotabl ,  Ahmed Elshafie ,  Muhammad Sayed Khairy Abdelghaffar

IPC: H04W74/08 ,  H04L5/14 ,  H04W16/14 ,  H04W52/10

CPC classification number: H04W74/0833 ,  H04L5/14 ,  H04W16/14 ,  H04W52/10

Abstract: Methods, systems, and devices for wireless communications are described that provide for mitigation of interference related to full-duplex communications for random access channel (RACH) initial access procedures in shared radio frequency spectrum. A user equipment (UE) may send different RACH preambles subsequent to a channel access procedure, based on whether full-duplex communications or half-duplex communications are being used at a corresponding network entity. The different RACH preambles may include a longer RACH preamble that is used when full-duplex is present, and a shorter RACH preamble that is used when full-duplex is not present. The shorter or longer RACH preamble may be used, for example, based at least in part on an open-loop transmit power for the RACH procedure, a RACH occasion configuration that provides different preamble lengths for different RACH occasions, a full-duplexing type that is being used, or any combinations thereof.

公开(公告)号：US20240147521A1

公开(公告)日：2024-05-02

申请号：US18049877

申请日：2022-10-26

Applicant: QUALCOMM Incorporated

Inventor： Mohammed Ali Mohammed Hirzallah ,  Muhammad Sayed Khairy Abdelghaffar ,  Ahmed Attia Abotabl

IPC: H04W74/00 ,  H04W74/08

CPC classification number: H04W74/002 ,  H04W74/0833

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a discovery burst from a network entity during the transmission duration. The received discovery burst may indicate a duplex operation mode used at the network entity for transmission of the discovery burst and a type of channel access procedure associated with a random access occasion included in the transmission duration. The UE may transmit a random access message to the network entity during the random access occasion based on a success of a channel access procedure. The channel access procedure may correspond to the indicated type of channel access procedure.

公开(公告)号：US20240142562A1

公开(公告)日：2024-05-02

申请号：US18051782

申请日：2022-11-01

Applicant: QUALCOMM Incorporated

Inventor： Marwen ZORGUI ,  Xiaoxia Zhang ,  Srinivas Yerramalli ,  Mohammed Ali Mohammed Hirzallah

IPC: G01S5/02 ,  H04B17/364 ,  H04W24/10

CPC classification number: G01S5/02525 ,  H04B17/364 ,  H04W24/10

Abstract: A signal time delay estimation method includes: obtaining, at an apparatus, a plurality of RFFPs (radio frequency fingerprints) each based on a plurality of signal measurements of respective signals transferred between respective ones of a plurality of wireless signal transfer devices; obtaining, at the apparatus, a plurality of locations corresponding to the plurality of wireless signal transfer devices; and implementing, at the apparatus, a machine-learning algorithm to provide at least one first indication of at least one first signal time delay to convert between a first wireless signal at a target device, of the plurality of wireless signal transfer devices, and a first baseband signal at the target device based on the plurality of RFFPs and the plurality of locations.