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公开(公告)号：US11412486B2
公开(公告)日：2022-08-09
申请号：US16966080
申请日：2018-01-31
发明人： Jing Han , Xiaodong Yu , Lianhai Wu , Haiming Wang , Haipeng Lei
摘要： Method and apparatus for resource collision avoidance on sidelink are disclosed. One method of apparatus includes determining reserved resource on SL for a following SL transmission; transmitting information of the reserved resource to a mode 4 UE in a resource reservation field in SCI. Further, the reserved resource on SL is determined according to DCI received from a base station. Further, a resource guarantee indication, which indicates whether the reserved resource indicated in the resource reservation field in the SCI can be occupied by the mode 4 UE, is transmitted to the mode 4 UE.
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公开(公告)号：US20220225357A1
公开(公告)日：2022-07-14
申请号：US17604411
申请日：2019-03-29
发明人： Zhi Yan , Haipeng Lei , Hongmei Liu , Yingying Li , Haiming Wang
摘要： Methods and apparatuses for preconfigured uplink resource are disclosed. A method at a remote unit comprises transmitting a data in a predefined resource based on a resource configuration; and receiving a control signal in a first search space, wherein the control signal includes at least one of (1) a response to the data; (2) an updated TA; (3) an updated power; (4) an updated data transmission repetition; (5) a flag of retransmission based on dynamic grant or the predefined resource; (6) a fallback indication; and (7) a predefined resource release indication.
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公开(公告)号：US20220174565A1
公开(公告)日：2022-06-02
申请号：US17441556
申请日：2019-03-26
发明人： Xiaodong Yu , Lianhai Wu , Haipeng Lei , Zhennian Sun , Jing Han
摘要： The present application relates to a first user equipment, a second user equipment, a base station and a method for exchanging a sidelink information. The first user equipment determines an available sidelink process information and transmits the available sidelink process information to the second user equipment or the base station.
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公开(公告)号：US11272473B2
公开(公告)日：2022-03-08
申请号：US16968208
申请日：2018-02-09
发明人： Zhennian Sun , Haipeng Lei , Hongmei Liu , Chenxi Zhu
摘要： The present disclosure relates to methods and apparatuses timing advance adjustment. According to some embodiments of the disclosure, a method includes: receiving a timing advance command; determining a timing advance adjustment gap based on the received timing advance command, wherein the timing advance adjustment gap is k symbols, and k is a nature number larger than one; applying the corresponding adjustment of uplink transmission timing from k symbols later than the end of the physical channel carrying the timing advance command.
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公开(公告)号：US20210399845A1
公开(公告)日：2021-12-23
申请号：US17279584
申请日：2018-12-28
IPC分类号： H04L1/18
摘要： Methods, a remote unit and a base unit are disclosed. According to one embodiment, a remote unit comprising: a receiver that receives, from a base unit, one or multiple downlink transmissions within a channel occupancy time initiated by the base unit; a processor that determines a downlink association set for a HARQ-ACK codebook, excludes one or more downlink slots from the downlink association set based on a predefined rule, and generates the HARQ-ACK codebook corresponding to the downlink association set, wherein the HARQ-ACK codebook comprises HARQ-ACK information bits for the one or multiple downlink transmissions; and a transmitter that transmits the HARQ-ACK codebook to the base unit.
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公开(公告)号：US20210345245A1
公开(公告)日：2021-11-04
申请号：US17280032
申请日：2018-11-12
发明人： Yingying Li , Zhi Yan , Haipeng Lei , Hongmei Liu , Haiming Wang
摘要： Method and apparatus for UE group wake up signals are disclosed. The apparatus includes a processor that determines a first time slot (w0) and a first frequency location for a first wake up signal; and a transmitter that transmits the first wake up signal starting from the first time slot (w0) and the first frequency location; wherein the first wake up signal is associated with a paging message and ends at a second time slot minus one (g0-1) with a first maximal duration; wherein a first time offset of the second time slot (g0) and a start of a time slot of the paging message is determined by at least one of: a second time offset of the second time slot to a third time slot for a second wake up signal, a second maximal duration of the second wake up signal, a presence of the second wake up signal, and a paged group number associated with the paging message; wherein the transmitter further transmits the paging message.
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137.发明授权公开(公告)号：US11101936B2
公开(公告)日：2021-08-24
申请号：US16638438
申请日：2017-08-11
发明人： Haipeng Lei , Chenxi Zhu , Zhi Yan , Zhennian Sun
摘要： The present application is related to a method and apparatus of using redundant bits in semi-statically configured HARQ-ACK feedback. A method of receiving information according to one embodiment comprises receiving a first number of code block groups from a base unit, wherein each code block within a code block group is independently decodable; determining a (HARQ-ACK) codebook size corresponding to the first number of code block groups; and transmitting a HARQ-ACK codebook to the base unit, wherein the HARQ-ACK codebook comprises the first number of HARQ-ACK bits with each bit corresponding to one code block group and a second number of padded bits. The first number plus the second number is equal to the determined HARQ-ACK codebook size. The present application enhances the downlink (DL) transmission performance and the uplink (UL) HARQ-ACK transmission reliability.
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公开(公告)号：US20210243781A1
公开(公告)日：2021-08-05
申请号：US17273896
申请日：2018-09-07
摘要： The present application relates to method and apparatus for flexible uplink transmission on unlicensed spectrum. One embodiment of the present disclosure provides an apparatus comprising: a receiver that receives an uplink grant for scheduling uplink transmission; a processor that: determines, based on the uplink grant, at least one candidate starting position in a scheduled time slot for the uplink transmission, wherein a candidate starting position, among the at least one candidate starting position, is determined based on a location of a Demodulation Reference Signal (DMRS) symbol; and determines a starting position for the uplink transmission from the at least one candidate starting position based on a result of performing a listen before talk (LBT) procedure on the scheduled time slot; and a transmitter that starts the uplink transmission in the scheduled time slot from the determined starting position.
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公开(公告)号：US20210037514A1
公开(公告)日：2021-02-04
申请号：US16964022
申请日：2018-01-26
发明人： Zhi Yan , Xiaodong Yu , Haipeng Lei , Chenxi Zhu , Haiming Wang
摘要： Methods and apparatuses for transmitting a control message are disclosed. A method comprising: transmitting a control message including an indicator for indicating at least one of termination of a control channel monitoring, termination of a data transmission and a feedback corresponding to the data transmission, wherein the indicator is determined based on at least one of a system bandwidth, a maximum bandwidth of the data transmission and a bit length of the indicator
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公开(公告)号：US20200374859A1
公开(公告)日：2020-11-26
申请号：US16966080
申请日：2018-01-31
发明人： Jing Han , Xiaodong Yu , Lianhai Wu , Haiming Wang , Haipeng Lei
IPC分类号： H04W72/04
摘要： Method and apparatus for resource collision avoidance on sidelink are disclosed. One method of apparatus includes determining reserved resource on SL for a following SL transmission; transmitting information of the reserved resource to a mode 4 UE in a resource reservation field in SCI. Further, the reserved resource on SL is determined according to DCI received from a base station. Further, a resource guarantee indication, which indicates whether the reserved resource indicated in the resource reservation field in the SCI can be occupied by the mode 4 UE, is transmitted to the mode 4 UE.
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