公开(公告)号：US20130156013A1

公开(公告)日：2013-06-20

申请号：US13678332

申请日：2012-11-15

Applicant: Qualcomm Incorporated

Inventor： Yi Huang ,  Tao Luo ,  Taesang Yoo ,  Xiliang Luo

IPC: H04W72/04

CPC classification number: H04W72/04 ,  H04L5/0035 ,  H04L5/0048 ,  H04L5/0073 ,  H04L27/2655 ,  H04L27/2662 ,  H04L27/2672 ,  H04L27/2675

Abstract: Estimation of timing errors is disclosed that uses user equipment reference signals (UERSs). A UE models each channel in a user equipment reference signal (UERS) as a channel on an adjacent UERS tone multiplied by a phase ramping term. This phase ramping term is determined using an estimator on the modeled channels. The UE then determines the equivalent timing error by mapping the phase ramping terms into the estimated timing errors in the time domain. In coordinated multipoint (CoMP) systems, the UERS-based timing error may be used to identify an aligned common reference signal (CRS) associated with the network entity transmitting the data. With this determination, the UE may estimate a CRS-based timing error and either substitute the CRS-based timing error for the UERS-based timing error or calculate a further average timing error based on both the CRS-based and UERS-based timing errors.

Abstract translation: 公开了使用用户设备参考信号（UERS）的定时误差的估计。 UE将用户设备参考信号（UERS）中的每个信道建模为在相邻UERS音调乘以相位斜变项的信道。 该相位斜变项是使用建模通道上的估计器确定的。 然后，UE通过将相位斜变项映射到时域中的估计定时误差来确定等效定时误差。 在协调多点（CoMP）系统中，基于UERS的定时误差可以用于识别与发送数据的网络实体相关联的对准的公共参考信号（CRS）。 通过该确定，UE可以估计基于CRS的定时误差，并且基于用于基于UERS的定时误差替代基于CRS的定时误差，或者基于基于CRS和基于UERS的定时误差来计算另外的平均定时误差 。

公开(公告)号：US12295005B2

公开(公告)日：2025-05-06

申请号：US17758849

申请日：2020-02-06

Applicant: QUALCOMM INCORPORATED

Inventor： Seyedkianoush Hosseini ,  Yi Huang ,  Wei Yang ,  Yu Zhang ,  Wanshi Chen ,  Krishna Kiran Mukkavilli

IPC: H04W72/23 ,  H04W24/10 ,  H04W72/1263 ,  H04W72/566

Abstract: Methods, systems, and devices for wireless communications are described. A receiving device (such as user equipment (UE)) may receive a downlink grant including an indication to report channel state information. The receiving device may identify, based on the downlink grant, a number of channel state information processing units associated with reporting the channel state information, and may determine that an available number of channel state information processing units is less than the number of channel state information processing units. In some cases, the receiving device may allocate, based on the determining, a set of channel state information processing units including the available number of channel state information processing units and one or more additional channel state information processing units. The receiving device may then transmit the channel state information report based on the set of channel state information processing units.

公开(公告)号：US12284135B2

公开(公告)日：2025-04-22

申请号：US17649519

申请日：2022-01-31

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Ahmed Elshafie ,  Hwan Joon Kwon

IPC: H04L5/00

Abstract: A base station may transmit a set of CSI-RSs corresponding to a set of ports of a UE and the UE may perform a set of CQI measurements on each port and across each sub-band. The UE may select, for each CSI-RS resource that the UE measures, a set of M worst CQIs and may select a best CSI-RS resource based at least in part on a corresponding set of M worst CQIs for the CSI-RS resource. The UE may report the M worst CQIs for the selected CSI-RS resource. Alternatively, the UE may select, for each CSI-RS resource that the UE measures, a set of M worst CQIs and may select a worst CSI-RS resource. In this way, the UE enables the base station to select a DMRS port and/or an MCS to use for communication.

公开(公告)号：US12255738B2

公开(公告)日：2025-03-18

申请号：US17344596

申请日：2021-06-10

Applicant: QUALCOMM Incorporated

Inventor： Ahmed Elshafie ,  Wei Yang ,  Wanshi Chen ,  Yi Huang

IPC: H04L1/00

Abstract: Methods, systems, and devices for wireless communications are described. A base station may transmit a data message to a user equipment (UE) in a data block modulated according to a modulation and coding scheme (MCS). The UE may monitor for the data block and may attempt to decode the data block. If the UE successfully receives and decodes the data block, the UE may transmit an acknowledgment (ACK) in a feedback message. If the UE unsuccessfully receives or decodes the data block, the UE may transmit a negative acknowledgement (NACK). The UE may transmit the feedback message with the ACK or NACK and a value from a codebook indicating for the base station to increase or decrease the MCS by a delta value for a following transmission or a retransmission.

公开(公告)号：US12232100B2

公开(公告)日：2025-02-18

申请号：US17446510

申请日：2021-08-31

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Ahmed Elshafie ,  Wei Yang ,  Tingfang Ji

IPC: H04W72/12 ,  H04L1/1812

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may start a timer or counter in connection with failing to transmit a feedback message at a time for which the feedback message is scheduled for transmission. The UE may defer transmission of the feedback message for one or more attempts at transmitting the feedback message. The UE may perform one of: transmitting the feedback message before expiration of the timer or before the counter satisfying a count threshold, or discarding the feedback message after expiration of the timer or in connection with the counter satisfying the count threshold. Numerous other aspects are provided.

公开(公告)号：US12219566B2

公开(公告)日：2025-02-04

申请号：US17647559

申请日：2022-01-10

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Wanshi Chen ,  Peter Gaal ,  Wei Yang ,  Tingfang Ji ,  Krishna Kiran Mukkavilli ,  Ahmed Elshafie ,  Gokul Sridharan

IPC: H04W72/21

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may generate an uplink control information (UCI) message including a first UCI bit multiplexed with a second UCI bit, the first UCI bit having a first sequence applied and the second UCI bit having a second sequence, that is orthogonal to the first sequence, applied. The UE may transmit the UCI message. Numerous other aspects are described.

公开(公告)号：US12200640B2

公开(公告)日：2025-01-14

申请号：US17064979

申请日：2020-10-07

Applicant: QUALCOMM Incorporated

Inventor： Gokul Sridharan ,  Yi Huang ,  Wei Yang ,  Wanshi Chen ,  Peter Gaal

IPC: H04W52/54 ,  H04L5/00 ,  H04W52/14 ,  H04W72/23 ,  H04W72/51

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, to a base station, an indication of whether the UE is capable of using a virtual port to transmit uplink communications using a maximum transmit power according to a power class of the UE. The virtual port may be a combination of one or more antenna ports. The indication may be based at least in part on an operating mode of the UE. The UE may receive, from the base station, a sounding reference signal configuration based at least in part on the indication. Numerous other aspects are provided.

公开(公告)号：US12192145B2

公开(公告)日：2025-01-07

申请号：US17453308

申请日：2021-11-02

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Gokul Sridharan ,  Wei Yang ,  Peter Gaal ,  Juan Montojo ,  Hwan Joon Kwon ,  Krishna Kiran Mukkavilli ,  Tingfang Ji

IPC: H04L5/00

Abstract: This disclosure provides systems, methods, and devices for wireless communication that support use of common sequence pools for non-coherent transmissions according to one or more aspects. In a first aspect, a method of wireless communication includes converting, by a wireless communication device, an information bit stream to an integer value. The method also includes selecting, by the wireless communication device, a sequence from a common sequence pool based on the integer value. The common sequence pool has a nested structure of sequences which map different length information bit streams with the same most significant bit or bits to the same sequences. The method further includes transmitting, by the wireless communication device, a non-coherent transmission indicating the sequence. Other aspects and features are also claimed and described.

公开(公告)号：US12167315B2

公开(公告)日：2024-12-10

申请号：US18334503

申请日：2023-06-14

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Seyedkianoush Hosseini ,  Wei Yang ,  Peter Gaal ,  Wanshi Chen ,  Tingfang Ji ,  Ahmed Elshafie ,  Yisheng Xue

IPC: H04B7/155 ,  H04B17/345 ,  H04B17/40 ,  H04W24/08 ,  H04W24/10 ,  H04W40/12 ,  H04W40/22 ,  H04W72/0453 ,  H04W72/25 ,  H04W84/04 ,  H04W84/18 ,  H04W88/04 ,  H04W92/02 ,  H04W92/18

Abstract: Various aspects of the present disclosure generally relate to wireless communication. A source user equipment (UE) may transmit, to a relay UE, information identifying that the relay UE is one of a plurality of relay UEs selected for cooperative relaying of a communication from the source UE to a destination UE. A channel between the source UE and the relay UE may be one of a plurality of channels comprising a channel between the source UE and each relay UE of the plurality of relay UEs. The plurality of relay UEs may be selected based at least in part on a degree of correlation of the channel between the source UE and the relay UE with at least one other channel of the plurality of channels. The UE may transmit the communication to the plurality of relay UEs for cooperative relaying to the destination UE. Numerous other aspects are described.

公开(公告)号：US12150122B2

公开(公告)日：2024-11-19

申请号：US17644298

申请日：2021-12-14

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Wei Yang ,  Peter Gaal ,  Seyedkianoush Hosseini

IPC: H04W72/1268

Abstract: A user equipment (UE) may partition a plurality of channels including physical uplink control channels (PUCCHs) and physical uplink shared channels (PUSCHs) into two groups, the plurality of channels being scheduled for transmission on a first set of component carriers (CCs) for communicating data and a second set of CCs for communicating control information and data, determine a first subset of PUSCHs of the one or more PUSCHs that is in the second set of CCs, determine that a first PUCCH of the one or more PUCCHs overlaps in time with at least a part of at least one PUSCH of the first subset of PUSCHs, and multiplex the first PUCCH with a first PUSCH of the first subset of PUSCH based on the determination that the first PUCCH overlaps in time with at least a part of the at least one PUSCH.