公开(公告)号：US20140341050A1

公开(公告)日：2014-11-20

申请号：US14275803

申请日：2014-05-12

Applicant: QUALCOMM Incorporated

Inventor： Tao LUO ,  Michael Mao WANG ,  Wanshi CHEN ,  Peter GAAL ,  Yongbin WEI ,  Aleksandar DAMNJANOVIC ,  Hao XU ,  Taesang YOO

IPC: H04L5/00 ,  H04W24/02

CPC classification number: H04L5/0053 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0058 ,  H04L25/0202 ,  H04L25/0224 ,  H04L25/0236 ,  H04W24/02

Abstract: Reference signals may not uniformly span over time and/or frequency on a resource unit. For example, reference signals may non-uniformly occupy symbols of a subframe. Alternatively, reference signals normally transmitted over certain tones of a subframe may have to be punctured to avoid collisions with a PSS and/or SSS transmitted over the same tones. Consequently, a UE may only be able to use a subset of reference signal tones for performing channel estimation. Accordingly, a method, an apparatus, and a computer program product for wireless communication are provided for improving channel estimation under a non-uniform signal pattern. The apparatus indicates to a UE to utilize a subset of reference signals to derive a channel estimate for demodulating data in a specific subframe, and transmits a plurality of subframes, the plurality of subframes including the reference signals and the specific subframe, the specific subframe including a PSS and/or SSS.

Abstract translation: 参考信号可能不会在资源单元上的时间和/或频率上均匀地跨越。 例如，参考信号可能不均匀地占据子帧的符号。 或者，通常在子帧的某些音调上发送的参考信号可能必须被打孔以避免与通过相同音调发送的PSS和/或SSS的冲突。 因此，UE可能仅能够使用用于执行信道估计的参考信号音调的子集。 因此，提供了一种用于无线通信的方法，装置和计算机程序产品，用于在非均匀信号模式下改进信道估计。 该设备向UE指示使用参考信号的子集来导出用于在特定子帧中解调数据的信道估计，并且发送包括参考信号和特定子帧的多个子帧，所述特定子帧包括 PSS和/或SSS。

公开(公告)号：US20140301297A1

公开(公告)日：2014-10-09

申请号：US14243753

申请日：2014-04-02

Applicant: QUALCOMM Incorporated

Inventor： Stefan GEIRHOFER ,  Wanshi CHEN ,  Peter GAAL ,  Hao XU ,  Xiaoxia ZHANG ,  Ashok MANTRAVADI ,  Tao LUO

IPC: H04L5/00

CPC classification number: H04L5/0053 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/0689 ,  H04B7/0691

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for adaptive antenna management in LTE. Devices and networks capable of transmitting and receiving signals using a variable number of transmitting or receiving antennas using LTE radio access technology are described.

Abstract translation: 本公开的某些方面涉及用于LTE中的自适应天线管理的方法和装置。 描述了能够使用LTE无线电接入技术使用可变数量的发射或接收天线发射和接收信号的设备和网络。

公开(公告)号：US20140204919A1

公开(公告)日：2014-07-24

申请号：US14162664

申请日：2014-01-23

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Hao XU ,  Peter GAAL ,  Yongbin WEI

IPC: H04L5/00 ,  H04W52/22

CPC classification number: H04L5/0028 ,  H04B7/2681 ,  H04W52/221 ,  H04W52/54 ,  H04W56/0005 ,  H04W56/004 ,  H04W56/0045

Abstract: A method of wireless communication includes receiving a signal from an base station. The method also includes determining a timing advance loop from a set of timing advance loops, and/or a power control loop from a set of power control loops. The determination is based on the received signal.

Abstract translation: 一种无线通信方法包括从基站接收信号。 该方法还包括从一组定时提前循环确定定时提前循环，和/或从一组功率控制回路确定功率控制回路。 该确定基于接收到的信号。

公开(公告)号：US20130308465A1

公开(公告)日：2013-11-21

申请号：US13896250

申请日：2013-05-16

Applicant: QUALCOMM Incorporated

Inventor： Hao XU ,  Wanshi CHEN ,  Peter GAAL

IPC: H04W76/04

CPC classification number: H04W76/048 ,  H04L47/27 ,  H04W52/44 ,  H04W76/28

Abstract: A method for wireless communication may include a mobile entity receiving a timing indicator for a discontinuous reception (DRX) cycle during a DRX mode, and adjusting at least an acknowledgement timing in response to receiving the timing indicator for the DRX cycle. A base station in communication with the mobile entity may provide a timing indicator for a DRX cycle during a DRX mode to the mobile entity, transmit at least one of downlink (DL) data or an uplink (UL) grant indicator to the mobile entity at a first time, and waiting from the first time for a time period indicated by the timing indicator before receiving at least one of an acknowledgement of the DL data or UL data responsive to the UL grant from the mobile entity.

Abstract translation: 一种用于无线通信的方法可以包括在DRX模式期间接收用于不连续接收（DRX）周期的定时指示符的移动实体，并且响应于接收到DRX周期的定时指示符来调整至少一个确认定时。 与移动实体通信的基站可以在DRX模式期间为移动实体提供用于DRX周期的定时指示符，向移动实体发送下行链路（DL）数据或上行链路（UL）授权指示符中的至少一个， 并且在从所述移动实体接收到响应于所述UL授权的DL数据或UL数据的确认中的至少一个之前，首次等待由所述定时指示符指示的时间段。

公开(公告)号：US20250126609A1

公开(公告)日：2025-04-17

申请号：US18925467

申请日：2024-10-24

Applicant: QUALCOMM Incorporated

Inventor： Wei YANG ,  Seyedkianoush HOSSEINI ,  Seyed Ali Akbar FAKOORIAN ,  Wanshi CHEN

IPC: H04W72/0453 ,  H04L5/00 ,  H04W76/27

Abstract: Aspects are presented which enable a UE to determine a supplementary uplink (SUL) configuration for an uplink cancellation indication (ULCI) for cancelling uplink communications in SUL. The UE receives from a base station a first configuration associated with a first block of an ULCI and associated with at least one of a SUL carrier a non-supplementary uplink (NUL) carrier in a cell. The base station configures the UE with a second configuration associated with a second block of the ULCI and associated with a SUL carrier in the cell, and the UE determines the second configuration. The UE monitors the ULCI based on the first configuration and the second configuration.

公开(公告)号：US20250113337A1

公开(公告)日：2025-04-03

申请号：US18979419

申请日：2024-12-12

Applicant: QUALCOMM Incorporated

Inventor： Ahmed Attia ABOTABL ,  Muhammad Sayed Khairy ABDELGHAFFAR ,  Wanshi CHEN ,  Hwan Joon KWON

IPC: H04W72/02 ,  H04L5/14 ,  H04W72/0446 ,  H04W72/1263 ,  H04W72/23 ,  H04W72/50

Abstract: Aspects of the disclosure relate to obtaining a duplex mode of a scheduled entity, selecting a downlink-uplink (DU) slot interpretation to be applied by the scheduled entity to a slot including a DU symbol based on the duplex mode of the scheduled entity, and transmitting the DU slot interpretation to the scheduled entity. The DU symbol may be configured to include a downlink transmission and an uplink transmission within a same carrier bandwidth. Other aspects relate to receiving a message, indicating that the slot is formatted with a DU symbol, selecting a DU slot interpretation to be applied to the slot including the DU symbol based on a duplex mode of the scheduled entity, and applying the DU slot interpretation to the slot. Other aspects, examples, and features are also claimed and described.

公开(公告)号：US20250097791A1

公开(公告)日：2025-03-20

申请号：US18294127

申请日：2021-10-20

Applicant: QUALCOMM Incorporated

Inventor： Yiqing CAO ,  Peter GAAL ,  Alberto RICO ALVARINO ,  Yi HUANG ,  Gokul SRIDHARAN ,  Kazuki TAKEDA ,  Timo Ville VINTOLA ,  Bin HAN ,  Juan MONTOJO ,  Wanshi CHEN

IPC: H04W36/00 ,  H04W36/06

Abstract: This disclosure provides systems, methods and apparatuses for switching configurations for uplink transmission switching. A user equipment (UE) may receive, from a network entity such as a base station, a switching configuration for an uplink transmission switching for three or more carriers. The switching configuration may be associated with switching one or more uplink transmission chains of the UE from or to one or more carriers of the three or more carriers within a time period. The switching configuration may be associated with a UE capability. The switching configuration may permit switching from or to one carrier within the time period associated with the UE capability. The switching configuration may permit switching from or to two carriers within the time period associated with the UE capability. The switching configuration may depend on the UE capability, thereby not causing the uplink transmission switching to degrade a performance of the UE.

公开(公告)号：US20250096969A1

公开(公告)日：2025-03-20

申请号：US18728047

申请日：2022-04-01

Applicant: QUALCOMM Incorporated

Inventor： Liangming WU ,  Jing DAI ,  Wei XI ,  Wanshi CHEN ,  Peter GAAL ,  Hao XU

IPC: H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described. The method may include a first network node receiving a configuration message for a report by the first network node of parameters for a temporal domain precoder. The configuration message may indicate a range of Doppler frequencies, a resolution associated with the range of Doppler frequencies, or a quantity of the parameters to be reported. The first network node may estimate a communications channel and select one or more bins within the range of Doppler frequencies based on the channel estimation. For each selected bin, the first network node may determine a corresponding discrete Fourier transform (DFT) vector and transmit a report indicating the corresponding DFT vector.

公开(公告)号：US20250088316A1

公开(公告)日：2025-03-13

申请号：US18562091

申请日：2022-06-23

Applicant: QUALCOMM Incorporated

Inventor： Yi HUANG ,  Konstantinos DIMOU ,  Yan ZHOU ,  Wanshi CHEN ,  Peter GAAL

IPC: H04L1/1829 ,  H04W72/0446 ,  H04W72/11

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may monitor a first slot for a semi persistent scheduled (SPS) transmission on a first serving cell of multiple serving cells in a physical uplink control channel (PUCCH) group. The UE may be configured to transmit feedback information for the SPS transmission in a target slot. The UE may select either the target slot or a subsequent second slot for transmission of the feedback information based on an availability of uplink resources on the multiple serving cells in the target slot. The UE may transmit the feedback information to a base station in the target slot or the subsequent second slot based on the selection. The described techniques may enable the UE to transmit the feedback information with reduced latency, among other benefits.

公开(公告)号：US20250071824A1

公开(公告)日：2025-02-27

申请号：US18728423

申请日：2022-03-18

Applicant: QUALCOMM Incorporated

Inventor： Rui HU ,  Chao WEI ,  Wanshi CHEN ,  Peter GAAL ,  Hao XU ,  Min HUANG ,  Kangqi LIU

IPC: H04W74/0838 ,  H04L9/32 ,  H04W74/00

Abstract: A method of wireless communication, by a user equipment (UE), includes receiving, from a network device, a trigger command initiating a hash-based random access procedure. The trigger command includes a target hash value and one or more rules for selecting preambles. The method also includes selecting, based on the trigger command, one or more random access channel (RACH) occasions (RO) for potential preamble transmission. The method further includes calculating at least one hash value in response to the trigger command based on computational resources of the UE. The method also includes transmitting a preamble on the at least one selected RO based on the at least one hash value and the target hash value.