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公开(公告)号：US20240334438A1
公开(公告)日：2024-10-03
申请号：US18742695
申请日：2024-06-13
发明人： Shengyu Li , Lei Guan , Ruixiang Ma , Jiafeng Shao
IPC分类号： H04W72/21 , H04L1/1812 , H04L5/00
CPC分类号： H04W72/21 , H04L1/1812 , H04L5/0055
摘要： This application provides a method for multiplexing uplink control information, and relates to the wireless communications field. When a resource of a first uplink control channel that carries first HARQ-ACK information does not overlap a resource of a second uplink control channel that carries second HARQ-ACK information in time domain, but a resource of a third uplink control channel that carries an SR/CSI overlaps both the resource of the first uplink control channel and the resource of the second uplink control channel in time domain, a base station and UE determine, based on a format of the first uplink control channel, a format of the second uplink control channel, and a format of the third uplink control channel, that third HARQ-ACK information and first UCI are multiplexed for transmission, where the third HARQ-ACK information is the first HARQ-ACK information or the second HARQ-ACK information.
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公开(公告)号：US20240314849A1
公开(公告)日：2024-09-19
申请号：US18670460
申请日：2024-05-21
发明人： Shengyu Li , Lei Guan , Ruijie Li
IPC分类号： H04W74/0833 , H04W72/0446
CPC分类号： H04W74/0833 , H04W72/0446
摘要： Embodiments of this application provide an initial access method and an apparatus. In the method, an SSB for space division multiplexing is introduced, that is, a plurality of SSB beams are simultaneously sent on a same time-frequency resource, so that time domain overheads of the SSB are reduced without reducing resolution of the SSB beam.
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公开(公告)号：US20240314759A1
公开(公告)日：2024-09-19
申请号：US18676919
申请日：2024-05-29
发明人： Ruijie Li , Lei Guan , Shengyu Li
IPC分类号： H04W72/0453 , H04W72/232
CPC分类号： H04W72/0453 , H04W72/232
摘要： This application discloses a resource indication method and a communication apparatus. The method includes: A terminal device receives first indication information from a network device. The first indication information indicates a first frequency domain resource. The terminal device transmits a first channel on the first frequency domain resource. The first frequency domain resource belongs to a first frequency domain unit of a BWP, the BWP further includes a second frequency domain unit, and a transmission direction of a signal on the second frequency domain unit and a transmission direction of a signal on the first frequency domain unit are independently configured, so that resource indication is more flexible, and resource conflicts are reduced.
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公开(公告)号：US12035314B2
公开(公告)日：2024-07-09
申请号：US17371995
申请日：2021-07-09
发明人： Shengyu Li , Lei Guan , Ruixiang Ma , Jiafeng Shao
IPC分类号： H04W72/21 , H04L1/1812 , H04L5/00
CPC分类号： H04W72/21 , H04L1/1812 , H04L5/0055
摘要： This application provides a method for multiplexing uplink control information, and relates to the wireless communications field. When a resource of a first uplink control channel that carries first HARQ-ACK information does not overlap a resource of a second uplink control channel that carries second HARQ-ACK information in time domain, but a resource of a third uplink control channel that carries an SR/CSI overlaps both the resource of the first uplink control channel and the resource of the second uplink control channel in time domain, a base station and UE determine, based on a format of the first uplink control channel, a format of the second uplink control channel, and a format of the third uplink control channel, that third HARQ-ACK information and first UCI are multiplexed for transmission, where the third HARQ-ACK information is the first HARQ-ACK information or the second HARQ-ACK information.
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公开(公告)号：US12003341B2
公开(公告)日：2024-06-04
申请号：US17214412
申请日：2021-03-26
发明人： Ruixiang Ma , Shengyu Li , Lei Guan
IPC分类号： H04L1/1867 , H04W72/0446 , H04W72/1273 , H04W72/50
CPC分类号： H04L1/1896 , H04W72/0446 , H04W72/1273 , H04W72/535
摘要： A communication method includes: a terminal device determining a first time unit for receiving downlink data, determining, based on a nonnegative integer k1 corresponding to the downlink data, a second time unit in which feedback information corresponding to the downlink data is located, where a length of the first time unit is greater than or equal to a length of the second time unit, k1 represents a quantity of time units from the first time unit to the second time unit, and the length of the second time unit is less than one slot, and sending, in the second time unit, a feedback codebook to the network device, where the feedback codebook includes the feedback information corresponding to the downlink data. A transmission latency of downlink data is reduced.
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公开(公告)号：US20240137849A1
公开(公告)日：2024-04-25
申请号：US18400730
申请日：2023-12-29
发明人： Shengyu Li , Lei Guan , Di Zhang
CPC分类号： H04W48/16 , H04L5/0048 , H04W48/12
摘要： This application provides a cell access method, a communication apparatus, and a computer storage medium. The method includes: A network device sends one or more reference signals to a terminal. The terminal sends corresponding first indication information to the network device based on a first reference signal in the received one or more reference signals, where the first indication information indicates the network device to send a downlink common signal, so that the terminal may access a target cell based on the downlink common signal.
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公开(公告)号：US11937281B2
公开(公告)日：2024-03-19
申请号：US17193210
申请日：2021-03-05
发明人： Jiafeng Shao , Lei Guan
IPC分类号： H04L5/00 , H04W72/0446 , H04W72/23 , H04W72/53 , H04W76/11
CPC分类号： H04W72/53 , H04L5/0051 , H04W72/0446 , H04W72/23 , H04W76/11
摘要： This application discloses a communications method and apparatus. The method includes: obtaining one or more candidate time domain resources for transmitting a reference signal in one or more time units; and receiving downlink control information, where the downlink control information includes first indication information and transmission information of a first channel, and the first indication information is used to indicate different situations about time domain reference signal resources in the one or more time units. A network device can accurately indicate a flexibly configured time domain resource for transmitting a reference signal by using relatively low overheads, and a terminal device can accurately determine information about the flexibly configured time domain reference signal resource, thereby improving system transmission efficiency.
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公开(公告)号：US11863492B2
公开(公告)日：2024-01-02
申请号：US17216144
申请日：2021-03-29
发明人： Dan Hu , Jiafeng Shao , Lei Guan , Ruixiang Ma
IPC分类号： H04L5/00 , H04L1/1812 , H04W72/0453 , H04W72/23
CPC分类号： H04L5/0055 , H04L1/1812 , H04W72/0453 , H04W72/23
摘要： A communications method, and apparatus are provided, to reduce a transmission latency when a plurality of HARQ-ACKs are transmitted in one time unit. The method includes: determining, in N groups of time-frequency resources based on the grouping relationship, the ith group of time-frequency resources corresponding to a first parameter related to the first DCI, receiving first DCI, and determining a first uplink channel that carries a first HARQ-ACK on a first time-frequency resource in the ith group of time-frequency resources, where the grouping relationship represents a correspondence between a first parameter and N groups of time-frequency resources, the N groups of time-frequency resources are obtained by grouping time-frequency resources in one time unit, each group of time-frequency resources corresponds to one or more first parameters, and the first parameter is related to DCI, a time-frequency resource in each group of time-frequency resources is for an uplink channel carries a HARQ-ACK.
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公开(公告)号：US20230361931A1
公开(公告)日：2023-11-09
申请号：US18351299
申请日：2023-07-12
发明人： Hongjian Yang , Ruixiang Ma , Lei Guan , Jinhuan Xia
IPC分类号： H04L1/1812 , H04L5/00 , H04W72/232
CPC分类号： H04L1/1812 , H04L5/0053 , H04W72/232
摘要： This application provides an uplink acknowledgement information transmission method, the method includes: A terminal device may obtain a plurality of first HARQ-ACK codebooks, where each of the plurality of first HARQ-ACK codebooks includes HARQ-ACK information of at least one downlink data channel, each first HARQ-ACK codebook corresponds to one first radio network temporary identifier RNTI, and first RNTIs corresponding to the first HARQ-ACK codebooks are different. Then, the terminal device may send a physical uplink channel to a network device, where the physical uplink channel carries a second HARQ-ACK codebook, the second HARQ-ACK codebook includes at least one of the plurality of first HARQ-ACK codebooks that are concatenated in a preset order, and the preset order is determined based on a plurality of first RNTIs corresponding to the plurality of first HARQ-ACK codebooks.
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公开(公告)号：US20230361921A1
公开(公告)日：2023-11-09
申请号：US18352832
申请日：2023-07-14
发明人： Shurong Jiao , Fei Gao , Meng Hua , Lei Guan
CPC分类号： H04L1/08 , H04L5/0007
摘要： A terminal device receives a first message, and parses the first message. The first message includes a configuration that is related to PDCCH repetition transmission, and the configuration is related to the PDCCH repetition transmission is for determining M groups of PDCCH candidate sequences. Each group of PDCCH candidate sequences includes K PDCCH candidates, the K PDCCH candidates are for sending same downlink control information, and the K PDCCH candidates included in each group of PDCCH candidate sequences are separately located on different symbols. A PDCCH candidate in the M groups of PDCCH candidate sequences meets a first condition.
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