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公开(公告)号：US11374719B2
公开(公告)日：2022-06-28
申请号：US16609577
申请日：2018-04-24
申请人： NTT DOCOMO, INC.
发明人： Jiahui Liu , Qin Mu , Liu Liu
摘要： The present invention relates to a method for realizing data detection for a physical downlink channel in an Internet of Things, and a user equipment unit. The method for data detection includes: monitoring a first communication channel and a second communication channel; and after start of a period during which the second communication channel is monitored, if monitoring periods of the first communication channel and the second communication channel overlap, performing data detection according to priority levels of the channels, wherein the second communication channel is used to transmit information to a group of user equipment units in one transmission, and the information is acknowledge information transmitted by a base station for acknowledgement of reception of uplink data.
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公开(公告)号：US20190182822A1
公开(公告)日：2019-06-13
申请号：US16301520
申请日：2017-08-10
申请人： NTT DOCOMO, INC.
发明人： Kazuaki Takeda , Naoto Ookubo , Jiahui Liu , Qin Mu , Liu Liu , Huiling Jiang
摘要： The present invention provides a method for allowing user terminal to acquire information about paging physical resource blocks (PRBs), a method of allowing a base station to indicate information about paging PRBs to UE, a method of allowing UE to determine allocation of paging PRBs, a method of allowing a base station to allocate paging PRBs, a base station and UE. The above method of allowing user terminal to acquire information about paging physical resource blocks (PRBs) includes detecting an anchor PRB, reading information carried by the anchor PRB, and acquiring information about the non-anchor paging PRBs associated with the anchor PRB based on the information carried by the anchor PRB. By this method, non-anchor paging PRBs can be specified to the UE.
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公开(公告)号：US11212827B2
公开(公告)日：2021-12-28
申请号：US16637863
申请日：2018-05-24
申请人： NTT DOCOMO, INC.
发明人： Jiahui Liu , Qin Mu , Liu Liu , Naoto Okubo
摘要： A data transmitting method is presented for implementing early acknowledgement of receipt of uplink data and new transmission scheduling. The data transmitting method for user equipment includes: receiving scheduling information from a base station; transmitting first uplink data to the base station by an initial number of retransmissions; monitoring, in a first search space, whether a first acknowledgement signal for uplink data has been received from the base station, and meanwhile, monitoring, in a second search space, whether a second acknowledgement signal for uplink data has been received from the base station; in the case that the first acknowledgement signal has been received in the first search space, stopping retransmitting the first uplink data; and in the case that the second acknowledgment signal has been received in the second search space, stopping retransmitting the first uplink data, and starting to transmit the second uplink data to the base station.
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公开(公告)号：US11184896B2
公开(公告)日：2021-11-23
申请号：US16301520
申请日：2017-08-10
申请人： NTT DOCOMO, INC.
发明人： Kazuaki Takeda , Naoto Ookubo , Jiahui Liu , Qin Mu , Liu Liu , Huiling Jiang
摘要： The present invention provides a method for allowing user terminal to acquire information about paging physical resource blocks (PRBs), a method of allowing a base station to indicate information about paging PRBs to UE, a method of allowing UE to determine allocation of paging PRBs, a method of allowing a base station to allocate paging PRBs, a base station and UE. The above method of allowing user terminal to acquire information about paging physical resource blocks (PRBs) includes detecting an anchor PRB, reading information carried by the anchor PRB, and acquiring information about the non-anchor paging PRBs associated with the anchor PRB based on the information carried by the anchor PRB. By this method, non-anchor paging PRBs can be specified to the UE.
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公开(公告)号：US11128406B2
公开(公告)日：2021-09-21
申请号：US16496240
申请日：2018-03-07
申请人： NTT DOCOMO, INC.
发明人： Jiahui Liu , Qin Mu , Liu Liu , Huiling Jiang , Lan Chen , Naoto Okubo
摘要： This application provides data transmitting method, a data receiving method, a user equipment, and a base station, which can realize early acknowledgment of uplink data reception. The data transmitting method for a user equipment includes: transmitting uplink data to a base station with an initial retransmission times; determining, within a predetermined interval, whether an acknowledged signal of the uplink data is received from the base station, wherein in the case where the acknowledged signal is received within the predetermined interval, transmission of the uplink data is stopped; and in the case where the acknowledged signal is not received within the predetermined interval, the uplink data is transmitted to the base station in a subsequent retransmission mode, until the acknowledged signal is received from the base station or a maximum retransmission times is reached.
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6.发明授权公开(公告)号：US11356207B2
公开(公告)日：2022-06-07
申请号：US16609594
申请日：2018-03-07
申请人： NTT DOCOMO, INC.
发明人： Jiahui Liu , Qin Mu , Liu Liu , Naoto Okubo
摘要： Disclosed are a HARQ-ACK feedback method, a HARQ-ACK extraction method, a base station, and a user equipment. The Hybrid Automatic Repeat reQuest ACKnowledgement (HARQ-ACK) feedback method is performed by a base station, and used to feed back corresponding HARQ-ACKs to a plurality of user equipments. The method includes: generating, by employing a plurality of HARQ-ACKs corresponding to the plurality of user equipments, at least one piece of downlink control information, where for each user equipment, an implicit mapping relationship exists between the user equipment and one or more information bits of the downlink control information; and transmitting to the plurality of user equipments the downlink control information.
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公开(公告)号：US20190174462A1
公开(公告)日：2019-06-06
申请号：US16324188
申请日：2017-08-08
申请人： NTT DOCOMO, INC.
发明人： Hiroki Harada , Kazuki Takeda , Satoshi Nagata , Jiahui Liu , Qin Mu , Lihui Wang , Liu Liu , Huiling Jiang
摘要： The present invention is designed to transmit and/or receive system information properly in a radio communication system where multiple numerologies are configured. A user terminal communicates in a radio communication system where multiple numerologies are configured, and this user terminal has a receiving section that receives system information of each of the numerologies via at least one broadcast channel, and a control section that controls reception of the broadcast channel, and the control section controls reception of the broadcast channel that is transmitted in each of the numerologies or that is transmitted selectively in a given numerology.
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