公开(公告)号：US20170006570A1

公开(公告)日：2017-01-05

申请号：US15114076

申请日：2016-06-18

Applicant: ZTE Corporation

Inventor： Hanqing XU ,  Yajun ZHAO ,  Linmei MO

IPC: H04W56/00 ,  H04W76/04 ,  H04W74/00

Abstract: The present document discloses a method and a system for determining a delay difference, and a base station and UE, the method includes: a serving cell receiving information of time measured by a neighboring cell at which uplink channel/signal information of UE for determining a synchronization delay is received; and the serving cell determining a synchronization delay difference between the UE to the serving cell itself and the UE to the neighboring cell according to information of time which is measured by the serving cell at which the uplink channel/signal information of the UE for determining the synchronization delay is received, and the information of time measured by the neighboring cell and at which the uplink channel/signal information of the UE for determining the synchronization delay is received, wherein the uplink channel/signal information measured by the serving cell is the same as the uplink channel/signal information is measured by the neighboring cell.

Abstract translation: 本文件公开了一种用于确定延迟差的方法和系统，以及基站和UE，所述方法包括：服务小区接收由相邻小区测量的时间信息，UE在其上行链路信道/信号信息用于确定 接收同步延迟; 并且所述服务小区根据所述服务小区所测量的时间信息，确定所述UE与所述服务小区本身和所述UE之间的同步延迟差，在所述服务小区中，UE确定所述上行链路信道/信号信息 接收同步延迟，并且接收由相邻小区测量的用于确定同步延迟的UE的上行链路信道/信号信息的时间信息，其中由服务小区测量的上行链路信道/信号信息是相同的 因为上行链路信道/信号信息是由相邻小区测量的。

公开(公告)号：US20150381328A1

公开(公告)日：2015-12-31

申请号：US14655730

申请日：2013-08-14

Applicant: ZTE CORPORATION

Inventor： Linmei MO ,  Yajun ZHAO ,  Baoyu SUN ,  Chen HUANG ,  Hanqing XU ,  Yujie LI ,  Hongfeng QIN ,  Guofeng CHEN ,  Hongfeng YUAN ,  Xin ZHANG

IPC: H04L5/00 ,  H04B1/04 ,  H04B7/04 ,  H04B7/08 ,  H04W72/08 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04L5/0035 ,  H04B1/0475 ,  H04B7/024 ,  H04B7/043 ,  H04B7/0632 ,  H04B7/0857 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0077 ,  H04L5/0048 ,  H04L5/006 ,  H04W72/082 ,  H04W88/08

Abstract: A method and base station for coordinated multi point data transmission are disclosed. The method includes: a base station receiving a per-cell CQI value reported by a UE; looking up an SINR-CQI mapping table according to the per-cell CQI value, and acquiring a subband/broadband SINR value; performing CQI recalculation according to the subband/broadband SINR value, and acquiring a recalculated subband/broadband CQI value; and selecting modulation and coding according to the recalculated subband/broadband CQI value to schedule data transmission. With the method and base station of the embodiments of the present document, in a CoMP system, in a joint transmission scenario, the accuracy of the CQI value used by the BS for scheduling is improved, and the oscillation during an AMC process is reduced.

Abstract translation: 公开了一种用于协调多点数据传输的方法和基站。 该方法包括：接收由UE报告的每小区CQI值的基站; 根据每个小区的CQI值查找SINR-CQI映射表，获取子带/宽带SINR值; 根据子带宽度SINR值进行CQI重新计算，获取重新计算的子带宽/宽带CQI值; 并根据重新计算的子带/宽带CQI值选择调制和编码以调度数据传输。 利用本文的实施例的方法和基站，在CoMP系统中，在联合传输场景中，提高了BS用于调度的CQI值的精度，并降低了AMC过程中的振荡。