公开(公告)号：US20210051075A1

公开(公告)日：2021-02-18

申请号：US16968610

申请日：2018-12-29

Applicant: China Academy of Telecommunications Technology

Inventor： Jiancheng SUN ,  Jiamin LIU

IPC: H04L12/24 ,  H04W40/22 ,  H04W40/24 ,  H04W88/04

Abstract: The embodiments of the present application provide a wireless backhaul network, a communication method and an apparatus, being used for solving the technical problems in the prior art of high difficulty and high cost in backhaul network deployment. The wireless backhaul network comprises at least one tree topology structure, each of the at least one tree topology structure being composed of a serving base station node and at least one relay node, the root of the tree topology structure being the serving base station node; and any two nodes in the wireless backhaul network are in a child-parent relationship or non-child-parent relationship, and any two nodes, which are in the child-parent relationship, communicate by means of wireless connections.

公开(公告)号：US20200266962A1

公开(公告)日：2020-08-20

申请号：US16639879

申请日：2018-08-03

Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Inventor： Li CHEN ,  Fangli XU ,  Pierre BERTRAND ,  Jiamin LIU ,  Xinyu LI

IPC: H04L5/00 ,  H04W72/04

Abstract: The present disclosure provides a retransmission activating/deactivating method, a base station, a user equipment and a device. The method includes: determining a correspondence relationship between a bearer which is allowed for retransmission under the first base station and a bit of a preset field of media access control (MAC) control element (CE) of the first base station for activating/deactivating retransmission; where the preset field is used to indicate activation/deactivation retransmission of the bearer which is allowed for retransmission; and, when determining to activate/deactivate retransmission of the bearer which is allowed for retransmission under the first base station, populating, by the first base station, the bit, which is in the preset field of the MAC CE for activating/deactivating retransmission and corresponding to the bearer, thereby generating the MAC CE for activating/deactivating retransmission, and transmitting to the UE the generated MAC CE for activating/deactivating retransmission.

公开(公告)号：US20200228442A1

公开(公告)日：2020-07-16

申请号：US16650383

申请日：2018-09-19

Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Inventor： Aijuan LIU ,  Fangli XU ,  Jiamin LIU

IPC: H04L12/707

Abstract: A duplication transmission method and device, used for solving the problem in existing technology of a scheme for implementing packet data convergence protocol (PDCP) duplication having yet to be implemented in a central unit/distribute unit (CU/DU) separation scenario. According to the embodiments of the present invention, after determining the need for PDCP duplication transmission on a radio bearer, a CU sends a PDCP data packet transmitted on the radio bearer to a DU and instructs the DU to carry out the PDCP duplication transmission; and the DU sends the PDCP data packet to multiple radio link control (RLC) entities corresponding to the radio bearer so as to carry out the PDCP duplication transmission. Since the CU may instruct the DU to perform the PDCP duplication transmission, the PDCP data packet is subject to duplication transmission in the CU/DU separation scenario, thereby further improving the system performance.

公开(公告)号：US20170339012A1

公开(公告)日：2017-11-23

申请号：US15534473

申请日：2015-09-21

Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Inventor： Yuan HE ,  Fei QIN ,  Jiamin LIU

IPC: H04L12/24 ,  H04W24/08

CPC classification number: H04L41/0803 ,  H04W24/00 ,  H04W24/08

Abstract: Disclosed are a network perception based service policy configuration method and network device, the method comprising: acquiring network perceived information of a first node; establishing an environment information map of the first node according to the network perceived information; acquiring characteristic information of the first node; configuring a service policy for the first node according to the characteristic information of the first node and the environment information map, thus configuring the service policy for the network node according to the network perceived information and the node characteristics.

公开(公告)号：US20150373606A1

公开(公告)日：2015-12-24

申请号：US14765919

申请日：2014-01-13

Applicant: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Inventor： Jiamin LIU ,  Yanhua LI ,  Jing LIANG

IPC: H04W36/20 ,  H04L29/06

CPC classification number: H04W36/20 ,  H04L65/80 ,  H04W28/08

Abstract: The present invention relates to communications technology. Disclosed are a data flow transmission method and device, the method comprising: when a base station determines that a UE is covered by an access point (AP) satisfying an offload condition, the base station instructs the UE to transmit all or part of the data flow via a WLAN link; the UE transmits all or part of the data flow via the WLAN link according to the offload instruction, thus achieving the cooperative transmission between a mobile communication network and the WLAN network, ensuring the capability of the user transmitting data via an optimized network, and improving the quality of data transmission.

Abstract translation: 本发明涉及通信技术。 公开了一种数据流传输方法和装置，该方法包括：当基站确定UE被满足卸载条件的接入点（AP）覆盖时，基站指示UE发送全部或部分数据 通过WLAN链路流动; UE根据卸载指令通过WLAN链路传输全部或部分数据流，从而实现移动通信网与WLAN网之间的协作传输，确保用户通过优化网络传输数据的能力，改善 数据传输的质量。