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公开(公告)号：US11089619B2
公开(公告)日：2021-08-10
申请号：US16475661
申请日：2018-02-05
Inventor： Li Chen
Abstract: A data transmission method, device and system are provided. The method comprises: a UE in an RRC_INACTIVE state monitoring downlink data transmission within a determined time period after completing uplink data transmission; entering a DRX state after the determined time period has expired or downlink data has been completely received. The UE monitors the downlink data within the determined time period after completing the uplink data transmission, and enters the DRX state after the determined time period has expired or the downlink data has been completely received.
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公开(公告)号：US10536892B2
公开(公告)日：2020-01-14
申请号：US15531413
申请日：2015-11-10
Inventor： Li Chen , Fei Qin , Shaoli Kang , Bin Jiao
Abstract: A method and a device for data transmission are provided. A transmission device determines a plurality of wireless links through which data is to be transmitted between the transmission device and a reception device, and transmits physical-layer transmission blocks including identical data packets to the reception device through the determined wireless links.
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公开(公告)号：US11470670B2
公开(公告)日：2022-10-11
申请号：US16968762
申请日：2019-01-31
Inventor： Li Chen , Pierre Bertrand
Abstract: The present disclosure provides a beam failure recovery method and a UE. The beam failure recovery method includes: performing beam failure recovery using non-contention-based random access; and performing the beam failure recovery using contention-based random access in the case that the non-contention-based random access fails.
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公开(公告)号：US11337122B2
公开(公告)日：2022-05-17
申请号：US16764848
申请日：2018-10-31
Inventor： Meng Xu , Li Chen , Jing Liang
Abstract: A switch method, a terminal and a network side device are provided. The method a terminal receiving a switch command sent by a network-side device through a source cell, wherein the switch command comprises access bandwidth information; and the terminal accessing a target cell on a determined partial bandwidth according to the access bandwidth information, so that the terminal switches from the source cell to the network-side target cell.
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公开(公告)号：US11259267B2
公开(公告)日：2022-02-22
申请号：US16321007
申请日：2017-06-22
Inventor： Li Chen , Chandrika Kumudinie Worrall
Abstract: A downlink data transmission method and a downlink data transmission device are provided. The downlink data transmission method includes: transmitting a paging message to a UE which has not been connected to any individual cell when downlink data is to be transmitted to the UE; and notifying the UE to receive the downlink data.
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Patent Agency Ranking
公开(公告)号：US11178567B2
公开(公告)日：2021-11-16
申请号：US16638398
申请日：2018-08-10
Inventor： Meng Xu , Li Chen , Fangli Xu , Jing Liang
Abstract: A bearer mapping method and a device thereof, a base station and a terminal are provided, so as to solve how to unify the mapping relationship between the bitmap of the MAC CE of the duplication activation/deactivation at the network side and that at the terminal side. The method includes: indicating a mapping relationship between a bearer ID and a bitmap in an MAC CE, where the MAC CE is a control element for a duplication activation indication or deactivation indication, and the bearer ID is an ID of a bearer configured with a duplication function.
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公开(公告)号：US10827463B2
公开(公告)日：2020-11-03
申请号：US16301145
申请日：2017-04-19
Inventor： Yali Zhao , Pierre Bertrand , Chandrika Kumudinie Worrall , Li Chen
Abstract: A system message transmission method, transmission device, reception method reception device and a storage medium are provided. The transmission method includes determining, by a network side device, sets to which each of system messages to be transmitted belongs, wherein the sets include a basic system message set and a specific system message set; determining, by the network side device, a transmission mode of each of the system messages, wherein the transmission mode of system messages in the basic system message set is a broadcast transmission mode, and the transmission mode of system messages in the specific system message set includes a broadcast transmission mode and/or a demand-based dedicated signaling transmission mode.
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公开(公告)号：US10805946B2
公开(公告)日：2020-10-13
申请号：US16300535
申请日：2017-05-11
Inventor： Li Chen , Haiyang Quan
Abstract: A method and a device for transmitting uplink data are provided. The method includes sending, by a UE, an initial uplink transmission carrying an inactive-state UE identifier of the UE in uplink contention resources available in a region, in case that uplink data of the UE in an inactive state arrives; and receiving a feedback acknowledgement message for acknowledging the initial uplink transmission.
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公开(公告)号：US09648585B2
公开(公告)日：2017-05-09
申请号：US14370749
申请日：2012-12-26
IPC: H04W72/00 , H04W4/06 , H04L12/18 , H04L29/12 , H04W4/08 , H04W72/04 , H04W72/06 , H04W72/12 , H04W8/26 , H04W8/18
CPC classification number: H04W72/005 , H04L12/185 , H04L61/2069 , H04W4/06 , H04W4/08 , H04W8/186 , H04W8/26 , H04W72/0446 , H04W72/06 , H04W72/121
Abstract: Disclosed are a data transmission method and device, used to solve the problem of achieving air interface group calling and multicasting when a base station is connected to a network side via an IP interface; the data transmission method of the present invention comprises: the base station determines a group air interface identifier corresponding to an IP broadcast address or an IP multicast target address; the base station assigns the air interface identifier to a user equipment in the group; and the base station schedules and transmits the air interface data via the air interface identifier.
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公开(公告)号：US20150003315A1
公开(公告)日：2015-01-01
申请号：US14370749
申请日：2012-12-26
CPC classification number: H04W72/005 , H04L12/185 , H04L61/2069 , H04W4/06 , H04W4/08 , H04W8/186 , H04W8/26 , H04W72/0446 , H04W72/06 , H04W72/121
Abstract: Disclosed are a data transmission method and device, used to solve the problem of achieving air interface group calling and multicasting when a base station is connected to a network side via an IP interface; the data transmission method of the present invention comprises: the base station determines a group air interface identifier corresponding to an IP broadcast address or an IP multicast target address; the base station assigns the air interface identifier to a user equipment in the group; and the base station schedules and transmits the air interface data via the air interface identifier.
Abstract translation: 公开了一种数据传输方法和装置，用于解决当基站通过IP接口连接到网络侧时实现空中接口组呼叫和组播的问题; 本发明的数据传输方法包括：基站确定对应于IP广播地址或IP组播目标地址的组空中接口标识符; 基站将空中接口标识符分配给组中的用户设备; 并且基站通过空中接口标识符调度和发送空中接口数据。
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