公开(公告)号：US20170331625A1

公开(公告)日：2017-11-16

申请号：US15526805

申请日：2015-04-27

Applicant: ZTE Corporation

Inventor： Lin CHEN ,  Fang ZHANG ,  Yufeng RUAN

IPC: H04L9/08 ,  H04L29/06 ,  H04W12/04

Abstract: Disclosed are a key updating method and device, and a master Transmission Point (TP). The method includes: receiving a key parameter for generating a data encryption key of a TP in a virtual cell (S102); and generating the data encryption key of the TP in the virtual cell according to the key parameter and a cell Identity (ID) of the virtual cell (S104). By means of the key updating method and device and the master TP, the problem about key updating of different TPs in a virtual cell is solved.

公开(公告)号：US20170303175A1

公开(公告)日：2017-10-19

申请号：US15512063

申请日：2015-03-06

Applicant: ZTE CORPORATION

Inventor： Lin CHEN ,  Fang ZHANG ,  Yufeng RUAN

IPC: H04W36/04 ,  H04W40/24 ,  H04W16/32 ,  H04W36/00 ,  H04W36/30 ,  H04W36/38 ,  H04W84/18

CPC classification number: H04W36/04 ,  H04B17/309 ,  H04W16/32 ,  H04W24/02 ,  H04W24/10 ,  H04W36/00 ,  H04W36/0038 ,  H04W36/0088 ,  H04W36/30 ,  H04W36/38 ,  H04W40/248 ,  H04W84/18

Abstract: Provided are a method and a device for dynamically constructing a virtual cell. The method includes: a master station sending an event A4 to UE and receiving an A4 measurement report from the UE; and the master station adding a cell corresponding to a cell identity carried in the A4 measurement report as a slave station, herein the master station and slave stations form a first virtual cell. In the technical solution, a serving cell selected by UE may be any cell and is not necessary to be a macro cell, the master station adds a cell which satisfies an event A4 as a slave station and thereby a virtual cell is realized.

公开(公告)号：US20160308648A1

公开(公告)日：2016-10-20

申请号：US15038044

申请日：2014-06-18

Applicant: ZTE CORPORATION

Inventor： Nan LI ,  Chen HUANG ,  Dongying ZHANG ,  Zhen REN ,  Peng GENG ,  Gang QIU ,  Yufeng RUAN ,  Fang ZHANG ,  Xi YUAN

IPC: H04L5/00 ,  H04W72/04 ,  H04B7/02

CPC classification number: H04L5/0035 ,  H04B7/024 ,  H04L5/0048 ,  H04L5/0053 ,  H04L5/0091 ,  H04W72/00 ,  H04W72/042

Abstract: The present document discloses a method, apparatus and system for indicating downlink resources of a coordinated multi-point network in an LTE system. The method includes: determining a control station/cell and a service station/cell of a User Equipment (UE); and indicating through signaling that a Physical Downlink Shared Channel (PDSCH) of the UE occupies radio resources of the service station/cell in a control region, whereby a start position of the PDSCH allocated for the UE by the service station/cell is the first symbol of a subframe, and when a resource mapping in the control region is performed, the PDSCH does not occupy Resource Elements (REs) occupied by a Cell Reference Signal (CRS), a Physical Control Format Indicator Channel (PCFICH), a Physical Hybrid-ARQ Indicator Channel (PHICH) of a station/cell where the PDSCH is located, and a Physical Downlink Control Channel PDCCH of the UE.

Abstract translation: 本文件公开了一种用于指示LTE系统中的协调多点网络的下行链路资源的方法，装置和系统。 该方法包括：确定用户设备（UE）的控制站/小区和服务站/小区; 并通过信令指示UE的物理下行链路共享信道（PDSCH）占用控制区域中的服务站/小区的无线资源，由服务站/小区为UE分配的PDSCH的起始位置是第一 子帧的符号，并且当执行控制区域中的资源映射时，PDSCH不占用由小区参考信号（CRS）占用的资源元素（RE），物理控制格式指示符信道（PCFICH），物理混合 -ARQ指示符信道（PHICH），以及PDSCH的物理下行链路控制信道PDCCH。