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公开(公告)号：US20210250993A1
公开(公告)日：2021-08-12
申请号：US16972674
申请日：2019-06-12
申请人： Qiaoyu LI , Chao WEI , Kai CHEN , Hao XU , Qualcomm Incorporated
摘要： Methods, systems, and devices for wireless communications are described in which sequence groups, and sequence hopping patterns may be used to distinguish concurrent non-orthogonal multiple access (NOMA) transmissions. A wireless device, such as a user equipment (UE), may identify, for a message, a first transmission opportunity from a plurality of transmission opportunities associated with grant-free uplink contention-based transmissions (e.g., NOMA transmissions); select a multiple access (MA) signature sequence from a group of MA signature sequences associated with the first transmission opportunity; identify a hopping pattern associated with the MA signature sequence; and transmit one or more redundancy versions of the message in one or more of the plurality of transmission opportunities comprising the first transmission opportunity according to the MA signature sequence and the hopping pattern.
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2.发明申请公开(公告)号：US20230066978A1
公开(公告)日：2023-03-02
申请号：US17788996
申请日：2019-12-27
申请人： Qiaoyu LI , Chenxi HAO , Yu ZHANG , Liangming WU , Chao WEI , Hao XU , Wanshi CHEN , QUALCOMM Incorporated
发明人： Qiaoyu LI , Chenxi HAO , Yu ZHANG , Liangming WU , Chao WEI , Hao XU , Wanshi CHEN
摘要： Certain aspects of the present disclosure provide techniques for using subband precoding for uplink transmissions. In some cases, a UE may transmit sounding reference signals (SRS) to a network entity, receive information indicating at least one of a set of one or more frequency domain (FD) bases and linear combination coefficients, determined based on the SRS transmission, determine subband precoding based at least in part on linear combinations of the FD bases based on the linear combination coefficients, and transmit a physical uplink shared channel (PUSCH) with the subband precoding.
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公开(公告)号：US20220232556A1
公开(公告)日：2022-07-21
申请号：US17596360
申请日：2019-07-01
申请人： Yuwei REN , Chao WEI , Min HUANG , Yu ZHANG , Huilin XU , Qiaoyu LI , Chenxi HAO , Liangming WU , Hao XU , Changlong XU , Wanshi CHEN , QUALCOMM Incorporated
发明人： Yuwei REN , Chao WEI , Min HUANG , Yu ZHANG , Huilin XU , Qiaoyu LI , Chenxi HAO , Liangming WU , Hao XU , Changlong XU , Wanshi CHEN
摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive configuration information for an uplink control channel, wherein the configuration information includes at least one of: a first resource identifier associated with a non-full-duplex (non-FD) zone, or a second resource identifier associated with a full-duplex (FD) zone. The UE may transmit uplink control information (UCI) on the uplink control channel in at least one of the non-FD zone or the FD zone in accordance with the configuration information. Numerous other aspects are provided.
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公开(公告)号：US20210306109A1
公开(公告)日：2021-09-30
申请号：US17268289
申请日：2019-08-13
申请人： Qiaoyu LI , Yu ZHANG , Chao WEI , Chenxi HAO , Liangming WU , Hao XU , QUALCOMM Incorporated
发明人： Qiaoyu LI , Yu ZHANG , Chao WEI , Chenxi HAO , Liangming WU , Hao XU
摘要： Certain aspects of the present disclosure provide techniques for layer mapping for multiple transmission reception point (TRP) transmission, for example, for code block group (CBG) based hybrid automatic repeat request (HARQ) acknowledgement feedback in new radio (NR). Aspects of the present disclosure provide a method for wireless communications by a user equipment (UE). The UE receives one or more transport blocks (TBs) from a plurality of TRPs. Each of the one or more TBs comprises a plurality of CBs. For one or more of the plurality of CBs, all bits of the CB are received from a same TRP. The UE decodes the one or more TBs.
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公开(公告)号：US20220400511A1
公开(公告)日：2022-12-15
申请号：US17776554
申请日：2019-11-28
申请人： Qiaoyu LI , Jing LEI , Chao WEI , Wanshi CHEN , Umesh PHUYAL , Peter Pui Lok ANG , Krishna Kiran MUKKAVILLI , Hao XU , Qualcomm Incorporated
发明人： Qiaoyu LI , Jing LEI , Chao WEI , Wanshi CHEN , Umesh PHUYAL , Peter Pui Lok ANG , Krishna KIRAN MUKKAVILLI , Hao XU
摘要： Methods, systems, and devices for wireless communications are described. A group of random access channel opportunities are identified over which to transmit a preamble associated with a random access channel procedure. A preamble sequence group associated with the identified group of random access channel opportunities is determined based on a repetition level associated with the preamble sequence group. At least one downlink message associated with the random access channel procedure is received based on the repetition level.
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公开(公告)号：US20230056106A1
公开(公告)日：2023-02-23
申请号：US17759258
申请日：2020-02-03
申请人： Yu ZHANG , Chenxi HAO , Chao WEI , Liangming WU , Qiaoyu LI , Hao XU , Parisa CHERAGHI , Lei XIAO , Mostafa KHOSHNEVISAN , Xiaoxia ZHANG , QUALCOMM Incorporated
发明人： Chenxi HAO , Yu ZHANG , Chao WEI , Liangming WU , Qiaoyu LI , Hao Xu , Parisa CHERAGHI , Lei XIAO , Mostafa KHOSHNEVISAN , Xiaoxia ZHANG
摘要： Certain aspects of the present disclosure provide techniques for channel state information (CSI) processing occupation determination that can be used even in multiple transmission reception point (mTRP) scenarios. A method that may be performed by a user equipment (UE) includes receiving a channel state information (CSI) reporting configuration configuring the UE with a plurality of CSI reference signal (CSI-RS) resources for channel measurement (CMRs). The method includes determining a number of occupied CSI processing units, a number of occupied active CSI resources, and/or a number of occupied active CSI-RS ports based on an actual number of CSI measurements. The method includes performing CSI measurement based on the determination.
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公开(公告)号：US20220131585A1
公开(公告)日：2022-04-28
申请号：US17429065
申请日：2019-02-15
申请人： Liangming WU , Chao WEI , Qiaoyu LI , Chenxi HAO , Hao XU , Qualcomm Incorporated
发明人： Liangming WU , Chao WEI , Qiaoyu LI , Chenxi HAO , Hao XU
IPC分类号： H04B7/06
摘要： Methods, systems, and devices for wireless communications are described. A user equipment (UE) may perform channel state information measurements on reference signal transmissions from a base station. The UE may identify a set of cross layer coefficients associated with a set of spatial layers based on the channel state information measurements. The UE may additionally identify a set of precoding coefficients associated with a spatial layer from the set of spatial layers. In some implementations, the set of precoding coefficients may be based on the set of cross layer coefficients. In some examples, the UE may transmit the set of cross layer coefficients and the set of precoding coefficients to the base station.
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公开(公告)号：US20210281448A1
公开(公告)日：2021-09-09
申请号：US17259207
申请日：2019-07-23
申请人： Qiaoyu LI , Yu ZHANG , Chao WEI , Chenxi HAO , Liangming WU , Hao XU , Qualcomm Incorporated
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.
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公开(公告)号：US20210306102A1
公开(公告)日：2021-09-30
申请号：US17268867
申请日：2019-08-05
申请人： Qiaoyu LI , Chao WEI , Yu ZHANG , Chenxi HAO , Liangming WU , Hao XU , QUALCOMM Incorporated
发明人： Qiaoyu LI , Chao WEI , Yu ZHANG , Chenxi HAO , Liangming WU , Hao XU
摘要： Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a first decoding result for a plurality of downlink control channels of a diversity enhancement based non-coherent joint transmission communication and a second decoding result for a plurality of data channels corresponding to the plurality of downlink control channels; and selectively provide feedback regarding the first decoding result and feedback regarding the second decoding result, the feedback regarding the first decoding result indicating whether reception of one or more downlink control channels, of the plurality of downlink control channels, is successful, and the feedback regarding the second decoding result indicating whether decoding of a codeword of the plurality of data channels is successful. Numerous other aspects are provided.
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10.发明公开公开(公告)号：US20230300805A1
公开(公告)日：2023-09-21
申请号：US18000278
申请日：2020-07-13
IPC分类号： H04W72/0446 , H04W72/51
CPC分类号： H04W72/0446 , H04W72/51
摘要： Methods, systems (100), and devices for wireless communications are described. In some systems (100), a base station (105) and a user equipment (UE) (115) may communicate over a shared radio frequency spectrum and may employ time-division multiplexing (TDM) techniques to multiplex sensing signals (315) with wireless communications in the shared radio frequency spectrum. In some examples, the base station (105) may configure the UE (115) with a first retuning gap during which the UE (115) may retune a radio frequency chain of the UE (115) when transitioning from a sensing signal (315) pulse to wireless communications and with a second retuning gap during which the UE may retune the radio frequency chain when transitioning from wireless communications to a sensing signal (315). In some other examples, the base station (105) may configure the UE (115) with a phase and amplitude continuity status of multiple adjacent sensing signal (315) pulses that may indicate whether the multiple adjacent sensing signal (315) pulses have
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