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1. 发明申请

US20220104235A1 APERIODIC CSI-RS RESOURCE SET TRIGGERING BY DCI WITH APERIODIC TRIGGERING OFFSET 有权
公开(公告)号：US20220104235A1
公开(公告)日：2022-03-31
申请号：US17496323
申请日：2021-10-07
申请人： Guotong Wang , Alexei Davydov , Bishwarup Mondal , Avik Sengupta
发明人： Guotong Wang , Alexei Davydov , Bishwarup Mondal , Avik Sengupta
IPC分类号： H04W72/12
摘要： A generation node B (gNB) configured for aperiodic channel state information reference signal (CSI-RS) triggering and transmission may encode signalling for transmission to a user equipment (UE). The signalling to indicate an aperiodic Triggering Offset (aperiodicTriggeringOffset). The aperiodic Triggering Offset may comprise a slot offset. The gNB may encode a downlink control information (DCI) for transmission that may trigger transmission of a CSI-RS in one or more aperiodic CSI-RS resource set(s) (i.e., in one or more slots (n)). The DCI triggers transmission of the aperiodic CSI-RS within a triggered slot with the slot offset (i.e., the aperiodicTriggeringOffset). The gNB may transmit the CSI-RS in resource elements of the triggered slot in accordance with the slot offset, when CSI-RS resources are available in the slot at the slot offset. The gNB may postpone transmission of the aperiodically triggered CSI-RS to a first available downlink slot when the CSI-RS resources are not available in the triggered slot at the slot offset.

2. 发明申请

US20190281587A1 USER EQUIPMENT (UE) DOWNLINK TRANSMISSION CONFIGURATION INDICATION (TCI)-STATE SELECTION 审中-公开
公开(公告)号：US20190281587A1
公开(公告)日：2019-09-12
申请号：US16406594
申请日：2019-05-08
申请人： Yushu Zhang , Guotong Wang , Gang Xiong , Bishwarup Mondal , Alexei Davydov
发明人： Yushu Zhang , Guotong Wang , Gang Xiong , Bishwarup Mondal , Alexei Davydov
IPC分类号： H04W72/04 , H04W72/10
摘要： Systems, apparatuses, methods, and computer-readable media are provided for selecting a TCI-State for receiving downlink transmissions. In one example a processor/UE is configured to determine one or more candidate TCIs for a downlink slot; determine a scheduling offset between a physical downlink shared channel (PDSCH) and a physical downlink control channel (PDCCH); prioritize the candidate TCIs based on the scheduling offset; identify a highest priority candidate TCI; and select the highest priority candidate TCI for receiving the PDSCH.

3. 发明公开

US20230388997A1 TECHNIQUES FOR UPLINK (UL) SIMULTANEOUS TRANSMISSION ACROSS MULTI-PANELS (STXMP) 审中-公开
公开(公告)号：US20230388997A1
公开(公告)日：2023-11-30
申请号：US18232208
申请日：2023-08-09
申请人： Bishwarup Mondal , Avik Sengupta , Dong Han
发明人： Bishwarup Mondal , Avik Sengupta , Dong Han
IPC分类号： H04W72/12 , H04W72/232 , H04W72/21
CPC分类号： H04W72/12 , H04W72/232 , H04W72/21
摘要： A computer-readable storage medium stores instructions for execution by one or more processors of a UE to configure the UE for UL STxMP. Multiple CSI-RS transmissions originating from a base station are decoded. The multiple CSI-RS transmissions include a first CSI-RS received at a first UE antenna panel from a first TRP of the base station and a second CSI-RS received at a second UE antenna panel from a second TRP of the base station. A first RSRP measurement corresponding to the first CSI-RS and a second RSRP measurement corresponding to the second CSI-RS are determined. A CSI report including the first RSRP measurement with a panel ID of the first UE antenna panel and the second RSRP measurement with a panel ID of the second UE antenna panel is encoded for transmission to the base station.

4. 发明公开

US20240154658A1 BEAMFORMING AND INTERFERENCE MITIGATION TECHNIQUES FOR MASSIVE MIMO UPLINK AND DOWNLINK IN O-RAN 7-2 COMPATIBLE BASE STATIONS 审中-公开
公开(公告)号：US20240154658A1
公开(公告)日：2024-05-09
申请号：US17979397
申请日：2022-11-02
申请人： Neelam Chandwani , Thushara Hewavithana , Peng Lu , Bishwarup Mondal , Avik Sengupta , Michael Beadle , Ranjit Cavatur
发明人： Neelam Chandwani , Thushara Hewavithana , Peng Lu , Bishwarup Mondal , Avik Sengupta , Michael Beadle , Ranjit Cavatur
IPC分类号： H04B7/06 , H04L5/00
CPC分类号： H04B7/0617 , H04L5/0051
摘要： An apparatus for use in an O-RAN base station includes processing circuitry. To configure the O-RAN base station for signal processing in an O-RAN network, the processing circuitry is to decode an SRS and a DMRS in a UL stream received from at least one UE. Channel estimation is performed based on the SRS to obtain a channel estimate matrix of channel estimates associated with reception of the UL stream. A noise covariance is generated using the DMRS. Beamforming weights are determined using the channel estimate matrix and the noise covariance. Beamforming is performed on UL data corresponding to the UL stream to generate beamformed data streams. The beamforming is based on applying the beamforming weights to the UL data.

5. 发明公开

US20230179269A1 UPLINK MULTI-USER MULTIPLE-INPUT-MULTIPLE-OUTPUT (MU-MIMO) CONFIGURATIONS 审中-公开
公开(公告)号：US20230179269A1
公开(公告)日：2023-06-08
申请号：US17545688
申请日：2021-12-08
申请人： Alexei Davydov , Bishwarup Mondal , Artyom Putilin , Victor Sergeev
发明人： Alexei Davydov , Bishwarup Mondal , Artyom Putilin , Victor Sergeev
IPC分类号： H04B7/0452 , H04B7/06 , H04B7/0456 , H04L5/00
CPC分类号： H04B7/0452 , H04B7/0617 , H04B7/0626 , H04B7/0456 , H04L5/0048
摘要： An apparatus for a base station configured for operation in a C-RAN includes processing circuitry coupled to a memory. To configure the base station for multi-user multiple input multiple output (MU-MIMO) signal processing, the processing circuitry is to decode a plurality of sounding reference signals received from a corresponding plurality of UEs via a corresponding plurality of channels. The plurality of channels are estimated based on the plurality of sounding reference signals. A beamforming matrix is determined based on a channel matrix corresponding to the plurality of channels. Beamforming is performed on a plurality of uplink (UL) data streams received from the plurality of UEs, to generate a plurality of beamformed streams. The beamforming is based on the beamforming matrix. Interference suppression is performed on the plurality of beamformed streams to generate a plurality of output data streams. The interference suppression is based on non-orthogonal DMRSs received from the UEs.

6. 发明申请

US20190273578A1 METHODS OF ADAPTIVE TRANSMISSION IN LOW LATENCY SCENARIOS IN NEW RADIO (NR) SYSTEMS 审中-公开
公开(公告)号：US20190273578A1
公开(公告)日：2019-09-05
申请号：US16418768
申请日：2019-05-21
申请人： Jeongho Jeon , Gang Xiong , Bishwarup Mondal , Carlos Aldana , Hwan-Joon Kwon , Alexei Davydov , Seau S. Lim
发明人： Jeongho Jeon , Gang Xiong , Bishwarup Mondal , Carlos Aldana , Hwan-Joon Kwon , Alexei Davydov , Seau S. Lim
IPC分类号： H04L1/00 , H04W74/08 , H04W72/08 , H04B17/327 , H04B17/10
摘要： Embodiments of a User Equipment (UE), Next Generation Node-B (gNB) and methods of communication are generally described herein. The gNB may encode multiple candidate code-block groups to be available for a transmission in unlicensed spectrum, wherein one of the candidate code-block groups is to be transmitted based on a listen-before-talk (LBT) process. Each of the candidate code-block groups may be mapped to a different subset of channels in the unlicensed spectrum. The gNB may determine, based on one or more channel measurements, one or more of the channels that are available for the transmission. The gNB may select, as the candidate code-block group to be transmitted, a candidate code-block group for which the subset of the channels that is mapped to the selected candidate code-block group is included in the one or more channels that are available for the transmission.

7. 发明申请

US20210022096A1 SSB INDEX TO PRACH OCCASION MAPPING 有权
公开(公告)号：US20210022096A1
公开(公告)日：2021-01-21
申请号：US17063874
申请日：2020-10-06
申请人： Prerana Rane , Yongjun Kwak , Bishwarup Mondal
发明人： Prerana Rane , Yongjun Kwak , Bishwarup Mondal
IPC分类号： H04W56/00 , H04W76/27 , H04L1/16 , H04W72/00 , H04L5/10 , H04W16/28 , H04W48/16 , H04L5/00 , H04W74/00
摘要： An apparatus for use in a UE includes processing circuitry coupled to a memory. To configure the UE for SSB processing in a 5G-NR network, the processing circuitry is to decode a MIB and a SIB received from a gNB. An RRC IE within the SIB is obtained. The RRC IE includes a bitmap associated with an SSB transmission pattern, where a length of the bitmap indicates a number of beams used within a cell of the gNB. SSB indices corresponding to candidate SSB positions within a discovery reference signal (DRS) transmission duration are determined based on the number of beams. Synchronization with the cell of the to gNB is performed using SSBs received within the DRS transmission duration, the SSBs selected based on the determined SSB indices.

8. 发明授权

US08537790B2 Hierarchical pilot structure in wireless communication systems 有权
标题翻译：无线通信系统中的分层导频结构
公开(公告)号：US08537790B2
公开(公告)日：2013-09-17
申请号：US12367483
申请日：2009-02-06
申请人： Mark C. Cudak , Timothy A. Thomas , Frederick W. Vook , Anup K. Talukdar , Fan Wang , Bishwarup Mondal
发明人： Mark C. Cudak , Timothy A. Thomas , Frederick W. Vook , Anup K. Talukdar , Fan Wang , Bishwarup Mondal
IPC分类号： H04W4/00
CPC分类号： H04L5/0007 , H04L1/06 , H04L5/005 , H04L5/0051 , H04L5/0053 , H04L25/03248
摘要： A method for communicating control channel information in a wireless communication system, including transmitting a super-frame having a time-frequency resource region containing an allocation control channel and multiple pilot elements, at least some of which are associated with the allocation control channel, and indicating, in a configuration information control channel of the super-frame, a characteristic of the pilots elements associated with the allocation control channel.
摘要翻译：一种用于在无线通信系统中传送控制信道信息的方法，包括发送具有包含分配控制信道的时间 - 频率资源区域和多个导频元素的超帧，其中至少一些与分配控制信道相关联，以及在超帧的配置信息控制信道中指示与分配控制信道相关联的导频元素的特性。

9. 发明申请

US20130088978A1 Joint Encoding of Rank and CQI Feedback For Comp 审中-公开
标题翻译：秩和CQI反馈的联合编码
公开(公告)号：US20130088978A1
公开(公告)日：2013-04-11
申请号：US13268298
申请日：2011-10-07
申请人： Bishwarup Mondal , Eugene Visotsky
发明人： Bishwarup Mondal , Eugene Visotsky
IPC分类号： H04W4/06 , H04W24/00
CPC分类号： H04L1/0029 , H04B7/024 , H04B7/0626 , H04B7/066 , H04L1/0026 , H04L1/0031 , H04L5/0035 , H04L5/0057 , H04L2001/0093
摘要： A method to reduce feedback overhead for CoMP operation is described. The method includes deriving a set of CSI for a coordinated multi-point transmission received at a UE over a plurality of radio links Each CSI of the set of CSI pertains to a radio link of the plurality of radio links. The plurality of radio links includes a first link from a serving transmission point and at least one multi-point link from at least one non-serving transmission point to the UE. The method also includes jointly encoding at least two CSI from the set of CSI. Apparatus and computer readable media are also described.
摘要翻译：描述了减少CoMP操作的反馈开销的方法。该方法包括为在多个无线电链路上的UE处接收的协调多点传输导出一组CSI。该组CSI的每个CSI属于多个无线电链路中的无线电链路。多个无线电链路包括来自服务传输点的第一链路和从至少一个非服务传输点到UE的至少一个多点链路。该方法还包括从CSI集合中共同编码至少两个CSI。还描述了装置和计算机可读介质。

10. 发明授权

US08351544B2 Method and apparatus for codebook-based feedback in a closed loop wireless communication system 有权
标题翻译：在闭环无线通信系统中用于基于码本的反馈的方法和装置
公开(公告)号：US08351544B2
公开(公告)日：2013-01-08
申请号：US12334917
申请日：2008-12-15
申请人： Bishwarup Mondal , Amitabha Ghosh , Fan Wang
发明人： Bishwarup Mondal , Amitabha Ghosh , Fan Wang
IPC分类号： H04L27/00
CPC分类号： H04B7/0478 , H04B7/0417 , H04B7/0639 , H04L5/0007 , H04L25/03343
摘要： A method and apparatus are provided for feedback for closed-loop transmitting with multiple transmit antenna elements and multiple receive antenna elements. A base station includes a codebook containing sets of weightings for the multiple transmit antenna elements, with each set of weightings identified by an index and the codebook known to the base station and a served mobile station (MS). The base station pre-codes pilot signals using a precoding matrix, preferably a unitary matrix, to produce pre-coded pilot signals, which precoding matrix may or may not be known to the MS and which precoding matrix may or may not be included in the codebook. The base station then transmits the pre-coded pilot signals to the MS via the multiple transmit antenna elements and, in response, receives an index to a set of weightings in the codebook for use in a subsequent transmission of a data stream.
摘要翻译：提供了一种用于具有多个发射天线元件和多个接收天线元件的闭环发射的反馈的方法和装置。基站包括码本，其包含多个发射天线单元的加权集合，每一组加权由索引和基站已知的码本和被服务的移动台（MS）标识。基站使用预编码矩阵，优选地是酉矩阵来预编码导频信号，以产生预编码的导频信号，预编码矩阵可以是MS也可以不是已知的，并且哪个预编码矩阵可以或可以不包括在码本。然后，基站经由多个发送天线元件向MS发送预先编码的导频信号，作为响应，接收到码本中的一组加权的索引，用于数据流的后续发送。

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