公开(公告)号：US20200092070A1

公开(公告)日：2020-03-19

申请号：US16615562

申请日：2018-06-12

申请人： Liangming WU ,  Wanshi CHEN ,  Yu ZHANG ,  Chao WEI ,  Chenxi HAO ,  QUALCOMM Incorporated

发明人： Liangming Wu ,  Wanshi Chen ,  Yu Zhang ,  Chao Wei ,  Chenxi Hao

IPC分类号： H04L5/00

摘要： A signaling design for multiple aperiodic channel state information (M-A-CSI) feedback is disclosed. In new radio (NR) networks, there may be scenarios where M-A-CSI are triggered and reported simultaneously. Timing issues may arise because of the different delay periods for difference CSI processes and reporting. In a first aspect, a general set of delay times for the M-A-CSI maybe signaled to the user equipment (UE) from which a candidate set is selected by the UE based on various CSI related settings. An indication from the base station may then be used to select the delay from the candidate set. In a second aspect, a delay period may be selected from the set of delays associated with and corresponding to the M-A-CSI.

公开(公告)号：US20170244462A1

公开(公告)日：2017-08-24

申请号：US15504232

申请日：2014-09-28

申请人： Chao WEI ,  Yu ZHANG ,  Jilei HOU ,  QUALCOMM Incorporated

发明人： Chao Wei ,  Yu Zhang ,  Jilei Hou

IPC分类号： H04B7/06 ,  H04B7/04

CPC分类号： H04B7/0626 ,  H04B7/0469 ,  H04B7/0478

摘要： Methods and corresponding apparatuses for wireless communication are disclosed. The method for wireless communication includes dividing a two-dimensional antenna array to a plurality of sub-arrays, mapping the two-dimensional antenna array into a one-dimensional vertical channel state information reference signal (CSI-RS) port array for receiving elevation CSI feedback and a one-dimensional horizontal CSI-RS port array for receiving azimuth CSI feedback, and transmitting one or more elevation CSI-RS from the one-dimensional vertical CSI-RS port array and one or more azimuth CSI-RS from the one-dimensional horizontal CSI-RS port array. Methods and corresponding apparatuses for CSI feedback mechanism are also disclosed.

公开(公告)号：US11483180B2

公开(公告)日：2022-10-25

申请号：US17259207

申请日：2019-07-23

申请人： Qualcomm Incorporated ,  Qiaoyu Li ,  Yu Zhang ,  Chao Wei ,  Chenxi Hao ,  Liangming Wu ,  Hao Xu

发明人： Qiaoyu Li ,  Yu Zhang ,  Chao Wei ,  Chenxi Hao ,  Liangming Wu ,  Hao Xu

IPC分类号： H04L25/02 ,  H04B7/0404 ,  H04B7/0456 ,  H04L5/00 ,  H04W8/24 ,  H04W72/04

摘要： A base station may determine co-phase information and uplink precoding information (e.g., user equipment (UE) precoder information) based on one or more received sounding reference signals (SRSs) from a UE. The UE may adjust precoders or co-phase for different SRS transmissions over the one or more configured SRS resources. As such, the base station may indicate either co-phase information or uplink precoding information via an SRS resource indicator (SRI), and may transmit an explicit indication of the remaining co-phase information or uplink precoding information in addition to the SRI. In other examples (e.g., when only a single SRS resource is configured), the base station may transmit an index corresponding to uplink precoding information, as well as a separate indication of co-phase information. In some cases, a port selection pattern may be included with an explicit indication, indicating a selection of antenna port indices the precoder or co-phase index applies to.

公开(公告)号：US11317306B2

公开(公告)日：2022-04-26

申请号：US15313003

申请日：2014-05-22

申请人： QUALCOMM INCORPORATED ,  Chao Wei ,  Yu Zhang

发明人： Chao Wei ,  Yu Zhang

IPC分类号： H04W24/10 ,  H04L5/00 ,  H04B7/06 ,  H04L1/00 ,  H04B7/0456 ,  H04W72/04 ,  H04W72/08 ,  H04B7/0452 ,  H04W88/08

摘要： Certain aspects of the present disclosure provide techniques for performing periodic and aperiodic CSI reporting for MIMO operations. According to certain aspects, operations for performing periodic and aperiodic CSI reporting for MIMO generally includes configuring a user equipment (UE) that is capable of MIMO with different parameters for periodic and aperiodic channel state information (CSI) reporting, wherein the different parameters indicate at least one of what resources to measure or what information to report, and receiving periodic and aperiodic CSI reporting from the UE according to the configuration.

公开(公告)号：US11990965B2

公开(公告)日：2024-05-21

申请号：US17424819

申请日：2020-01-23

申请人： QUALCOMM Incorporated ,  Chenxi Hao ,  Yu Zhang

发明人： Chenxi Hao ,  Yu Zhang

IPC分类号： H04B7/06 ,  H04B7/0417

CPC分类号： H04B7/0626 ,  H04B7/0417 ,  H04B7/0632 ,  H04B7/0639

摘要： Certain aspects of the present disclosure provide techniques for channel quality indictor (CQI) reporting with precoding matrix indicator (PMI) frequency domain (FD) units. A user equipment (UE) may configured with a CSI reporting configuration. CQI and PMI may be configured with different FD unit sizes. The UE may determine which PMI FD units to use for calculating corresponding CQI FD units. PMI and CQI FD units may not be aligned. The UE may determine which PMI FD units to use for calculating CQI based on the alignment. PMI and CQI FD units may be configured using a separate bitmaps, a bitmap and ratio of the FD unit sizes, or a single bitmap. PMI and/or CQI FD units may start from a lowest FD unit index in the system bandwidth, or the lowest FD unit index within a configured bandwidth part (BWP).

公开(公告)号：US11177862B2

公开(公告)日：2021-11-16

申请号：US16088285

申请日：2017-05-10

申请人： QUALCOMM Incorporated ,  Chao Wei ,  Yu Zhang ,  Bo Chen ,  Jilei Hou

发明人： Chao Wei ,  Yu Zhang ,  Bo Chen ,  Jilei Hou

IPC分类号： H04W4/00 ,  H04B7/0452 ,  H04B7/0417 ,  H04B7/0456 ,  H04B7/06 ,  H04L5/00

摘要： A hybrid class B channel state information (CSI) reference signal (CSI-RS) scheme is discussed which configures one cell-common beamformed CSI-RS resource for beam tracking and another UE-specific beamformed CSI-RS resource for CSI feedback. The cell-common beamformed CSI-RS resource may be transmitted at a longer periodicity and shared by user equipments (UEs) in the cell. The beamforming may be cycled over a set of predefined weights transparent to UE. The UE-specific beamformed CSI-RS may be transmitted at a shorter periodicity and can be activated dynamically to allow resource sharing among multiple UEs. The UEs will report a CSI for the cell-common beamformed CSI-RS resource which provides a quality indicator for the associated cell-common beam and is utilized by the base station to determine the precoding weight for the UE-specific beamformed CSI-RS resource. Both resources can be configured with different parameter sets, such as number of ports, codebook type, and CSI reporting parameters.

公开(公告)号：US20200177253A1

公开(公告)日：2020-06-04

申请号：US16610179

申请日：2018-05-24

申请人： Liangming WU ,  Yu ZHANG ,  Chenexi HAO ,  Qualcomm Incorporated

发明人： Liangming Wu ,  Yu Zhang ,  Chenxi Hao

IPC分类号： H04B7/06 ,  H04W72/12 ,  H04W72/14

摘要： A user equipment (UE) may be configured with a first set of indexed timing offsets for determining offsets between uplink grants and uplink data transmissions and a second set of indexed timing offsets for determining offsets between an aperiodic channel state information (CSI) trigger and transmission of an aperiodic CSI report. A UE may receive both an uplink grant for an uplink data transmission and an aperiodic CSI report trigger. The UE may determine a timing offset for transmission of both the uplink data transmission and the aperiodic CSI report. The timing offset may be based at least in part on the first set of indexed timing offsets, the second set of indexed timing offsets, or a third set of indexed timing offsets for joint transmission of uplink data and aperiodic CSI. The UE may transmit the uplink data transmission and the aperiodic CSI report according to the timing offset.

公开(公告)号：US20210152303A1

公开(公告)日：2021-05-20

申请号：US16623009

申请日：2018-06-13

申请人： Chenxi HAO ,  Yu ZHANG ,  Wanshi CHEN ,  Chao WEI ,  Qualcomm Incorporated

发明人： Chenxi Hao ,  Yu Zhang ,  Wanshi Chen ,  Cha Wei ,  Liangming Wu

IPC分类号： H04L5/00 ,  H04B7/0456 ,  H04B7/06 ,  H04W24/10

摘要： Methods, systems, devices, and apparatus for wireless communication are described that relate to transmission of a set of precoded reference signals, and using a physical resource group (PRG) size for the resources carrying the set of reference signals for channel estimation at a user equipment (UE). For example, a base station may apply a precoding matrix to a set of reference signals, and the reference signals may be configured on a set of resources. In such cases, the resources including these reference signals having a same precoding may be included in a PRG, and a size of the PRG may refer to a number of precoded reference signals for which the precoding is the same. Based on the received reference signals and the PRG size the UE may perform channel estimation based on the PRG size and transmit channel state information (CSI) to the base station.

公开(公告)号：US09426686B2

公开(公告)日：2016-08-23

申请号：US13879320

申请日：2011-08-05

申请人： Su Yi ,  Yu Zhang ,  Zhennian Sun ,  Ming Lei

发明人： Su Yi ,  Yu Zhang ,  Zhennian Sun ,  Ming Lei

IPC分类号： H04W24/10

CPC分类号： H04W24/10

摘要： The present invention provides a method and apparatus for indicating downlink channel measurement and a method and apparatus for performing channel measurement. The method for indicating downlink channel measurement comprises: receiving information on interferes of a user equipment; generating, based on downlink subframe configuration information, a downlink channel measurement indication for each of possible combinations of the interferers, wherein the channel measurement indication is adapted to indicate a subframe group to be measured by a user equipment; and sending the downlink channel measurement indication to the user equipment so as to indicate the user equipment to perform corresponding downlink channel measurement. According to embodiments of the present invention, the subframe groups that are required to be measured by the user equipment may be determined with respect to possible combinations of interferers corresponding to different levels of interference. Thus, the user equipment may perform channel measurement for respective subframe groups. Therefore, the channel quality as determined in such way will be more accurate and reliable and better match the actual channel condition. Moreover, it also provides a possibility for the serving node to perform the scheduling more accurately and effectively.

摘要翻译： 本发明提供一种用于指示下行链路信道测量的方法和装置以及用于执行信道测量的方法和装置。 用于指示下行链路信道测量的方法包括：接收关于用户设备干扰的信息; 基于下行链路子帧配置信息生成针对干扰源的每个可能组合的下行链路信道测量指示，其中，所述信道测量指示适于指示要由用户设备测量的子帧组; 并向用户设备发送下行链路信道测量指示，以指示用户设备执行相应的下行链路信道测量。 根据本发明的实施例，可以根据对应于不同干扰等级的干扰源的可能组合来确定需要由用户设备测量的子帧组。 因此，用户设备可以对各个子帧组执行信道测量。 因此，以这种方式确定的信道质量将更准确和可靠，并且更好地匹配实际信道条件。 此外，它还为服务节点更准确有效地执行调度提供了可能性。

公开(公告)号：US09362749B2

公开(公告)日：2016-06-07

申请号：US13452340

申请日：2012-04-20

申请人： Ning Lu ,  Yu Zhang ,  Pengwei Du ,  Yuri V. Makarov

发明人： Ning Lu ,  Yu Zhang ,  Pengwei Du ,  Yuri V. Makarov

IPC分类号： G05B15/00 ,  G05D23/19 ,  H02J3/14 ,  F24F11/00

CPC分类号： H02J3/14 ,  F24F11/30 ,  F24F2110/00 ,  F24F2130/00 ,  F24F2130/10 ,  F24F2140/50 ,  G05D23/1902 ,  G05D23/1917 ,  G05D23/1931 ,  Y02B70/3225 ,  Y02B70/3275 ,  Y04S20/222 ,  Y04S20/244

摘要： A system and method of controlling aggregated thermostatically controlled appliances (TCAs) for demand response is disclosed. A targeted load profile is formulated and a forecasted load profile is generated. The TCAs within an “on” or “off” control group are prioritized based on their operating temperatures. The “on” or “off” status of the TCAs is determined. Command signals are sent to turn on or turn off the TCAs.

摘要翻译： 公开了一种控制用于需求响应的聚合恒温控制设备（TCAs）的系统和方法。 制定目标负载曲线并生成预测负载曲线。 “开”或“关”控制组中的TCA根据其工作温度进行优先排序。 确定TCAs的“开”或“关”状态。 发送命令信号以打开或关闭TCA。