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公开(公告)号：US20200374805A1
公开(公告)日：2020-11-26
申请号：US16764667
申请日：2018-09-29
发明人： Qianqian SI , Fangchen CHENG , Xiangli LIN
摘要： An uplink power control method and a mobile terminal are provided. The method includes: acquiring an uplink transmission parameter corresponding to an uplink channel format; calculating an uplink power adjustment value according to the uplink transmission parameter, to control an uplink power.
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公开(公告)号：US20210051705A1
公开(公告)日：2021-02-18
申请号：US17087153
申请日：2020-11-02
发明人： Xuejuan GAO , Fangchen CHENG , Xueming PAN
摘要： An uplink transmission method and an uplink transmission device are provided. The uplink transmission method includes: detecting an UL grant on a target time-domain resource and a target frequency-domain resource in a first time unit, the UL grant being to schedule one or more UEs to perform uplink transmission in a target time unit, a time unit having a predefined length of B1 subframes or B2 symbols, where B1 and B2 are each an integer greater than or equal to 1; acquiring scheduling information for the UE in the target time unit from the UL grant; and performing the uplink transmission on a time-domain resource and a frequency-domain resource scheduled in the target time unit in accordance with the scheduling information.
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公开(公告)号：US20190124675A1
公开(公告)日：2019-04-25
申请号：US16090169
申请日：2017-03-20
发明人： Xuejuan GAO , Fangchen CHENG
摘要： An uplink transmission method and an uplink transmission device are provided. The uplink transmission method includes: receiving a first downlink control channel which carries scheduling information of a first uplink shared channel and determining, based on the scheduling information carried on the first downlink control channel, a first frequency domain resource for transmitting the first uplink shared channel; generating a pilot of the first uplink shared channel based on the first frequency domain resource and a basic frequency domain unit; and transmitting the first uplink shared channel and the pilot on the first frequency domain resource.
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公开(公告)号：US20190044680A1
公开(公告)日：2019-02-07
申请号：US16075124
申请日：2017-01-23
发明人： Xuejuan GAO , Fangchen CHENG , Xueming PAN
摘要： A method and a device for determining dynamically a pilot pattern are provided. The method includes acquiring a TTI duration occupied by transmission of data, and determining a pilot pattern according to the TTI duration occupied by the transmission of the data.
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5.发明申请公开(公告)号：US20200154468A1
公开(公告)日：2020-05-14
申请号：US16624262
申请日：2018-06-15
发明人： Lei WANG , Fangchen CHENG
摘要： A method and apparatus of determining a downlink control channel resource, a user equipment and a base station are provided. The method of determining a downlink control channel resource at the user equipment side includes: receiving an indication message sent by a base station, and determining, according to the indication message, a first resource set configured to transmit a UE-specific physical downlink control channel of the user equipment; or determining, according to a protocol definition, a first resource set configured to transmit a UE-specific physical downlink control channel of the user equipment.
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6.发明申请公开(公告)号：US20190327698A1
公开(公告)日：2019-10-24
申请号：US16476686
申请日：2018-02-06
发明人： Zheng ZHAO , Bin REN , Fangchen CHENG , Wenping MA , Shaohui SUN , Xueming PAN
摘要： A method for transmitting a synchronization sequence, and a method and a device for synchronization detection are provided, the method for transmitting the synchronization sequence including: setting a target synchronization sequence with good autocorrelation characteristic, where at least one segment of sequence truncated in a time domain or a frequency domain of the target synchronization sequence is a sub-synchronization sequence, and the sub-synchronization sequence has good autocorrelation characteristic and the sub-synchronization sequences have good cross-correlation between each other; and transmitting the target synchronization sequence to a user equipment.
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公开(公告)号：US20190069320A1
公开(公告)日：2019-02-28
申请号：US16072809
申请日：2017-01-12
发明人： Xuejuan GAO , Fangchen CHENG , Xueming PAN
CPC分类号： H04W72/14 , H04W72/042 , H04W72/0446 , H04W72/0453 , H04W72/1284 , H04W92/20
摘要： An uplink transmission method and an uplink transmission device are provided. The uplink transmission method includes: detecting an UL grant on a target time-domain resource and a target frequency-domain resource in a first time unit, the UL grant being to schedule one or more UEs to perform uplink transmission in a target time unit, a time unit having a predefined length of B1 subframes or B2 symbols, where B1 and B2 are each an integer greater than or equal to 1; acquiring scheduling information for the UE in the target time unit from the UL grant; and performing the uplink transmission on a time-domain resource and a frequency-domain resource scheduled in the target time unit in accordance with the scheduling information.
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公开(公告)号：US20200275398A1
公开(公告)日：2020-08-27
申请号：US16646116
申请日：2018-08-30
发明人： Ren DA , Zheng ZHAO , Bin REN , Tony EKPENYONG , Pierre BERTRAND , Fangchen CHENG , Tie LI , Qiubin GAO
摘要： A timing advance indication method, a base station, a terminal and a device are provided. The method includes: transmitting subcarrier spacing configuration information of a physical uplink shared channel and/or a physical uplink control channel to a terminal; receiving a preamble fed back by the terminal based on subcarrier spacing configuration information; obtaining a quantized value of a timing advance corresponding to a tracking area based on the preamble; and transmitting the quantized value of the timing advance to the terminal.
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公开(公告)号：US20200163124A1
公开(公告)日：2020-05-21
申请号：US16633563
申请日：2018-07-20
发明人： Ren DA , Bin REN , Tony EKPENYONG , Zheng ZHAO , Fangchen CHENG , Tie LI
IPC分类号： H04W74/08
摘要： A random access method, a base station and a User Equipment (UE) are provided. A random access method applied to a base station side includes: receiving, by using a pre-configured first SubCarrier Spacing (SCS), a first random access preamble message transmitted by a UE when the base station instructs the UE to perform an initial access according to a contention-based random access mechanism; transmitting, by using a predetermined second SCS or a third SCS configured by a network, a first Random Access Response (RAR) message to the UE; receiving, by using a predetermined fourth SCS or a fifth SCS configured by the network, a first scheduling transmission message transmitted by the UE; and transmitting, by using a predetermined sixth SCS or a seventh SCS configured by the network, a first collision resolution message to the UE, to complete the initial access.
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公开(公告)号：US20190174492A1
公开(公告)日：2019-06-06
申请号：US16301425
申请日：2017-04-25
摘要： A data transmission method, a terminal and a base station are provided. The data transmission method includes: determining, by a terminal, data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed in a same sub-frame based on capability reported by the terminal or a predefined rule, the data including a shared channel and/or a control channel; wherein the first TTI length is less than the second TTI length.
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