| 有限回程开销多小区分布式协作波束成形技术 |
| |
| 引用本文： | 黄永明,杜颖钢,余 辉,杨绿溪.有限回程开销多小区分布式协作波束成形技术[J].通信学报,2012(8):138-146. |
| |
| 作者姓名： | 黄永明 杜颖钢 余 辉 杨绿溪 |
| |
| 作者单位： | 东南大学教育部水声信号处理重点实验室;东南大学信息科学与工程学院;华为技术有限公司通信技术研究部 |
| |
| 基金项目： | 国家自然科学基金资助项目(60902012,61071113);教育部博士点基金资助项目(20090092120013,20100092110010);江苏省自然科学基金资助项目(BK2011598,BK2011019);教育部新世纪优秀人才计划(NCET-11-0088);东南大学优秀青年教师资助计划~~ |
| |
| 摘 要： | 针对基站之间仅进行参数交换的协同多小区TDD系统,研究了下行链路的分布式协作波束成形优化设计。以用户速率集帕累托(Pareto)界上具有最大最差用户速率的点为优化目标,首先提出了一种准最优的2步集中式协作波束成形算法。在此基础上,进一步给出了一种分布式迭代算法,该算法只需在协作基站间交换有限个正实参数。仿真结果表明,所提分布式算法可以获得接近集中式算法的速率性能。
|
| 关 键 词： | 多小区下行链路波束成形 分布式优化 有限信息交互 帕累托界 |
Distributed multicell beamforming scheme with limited intercell communication |
| |
| HUANG Yong-ming,DU Ying-gang,YU Hui,YANG Lv-xi.Distributed multicell beamforming scheme with limited intercell communication[J].Journal on Communications,2012(8):138-146. |
| |
| Authors: | HUANG Yong-ming DU Ying-gang YU Hui YANG Lv-xi |
| |
| Affiliation: | 1,2(1.Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Education,Southeast University,Nanjing 210096,China; 2.School of Information Science and Engineering,Southeast University,Nanjing 210096,China; 3.Communication Technology Research Department,Huawei Technologies Co.Ltd.,Shenzhen 518129,China) |
| |
| Abstract: | Coordinated downlink beamforming optimization was studied for the time division duplexed(TDD) multicell system with limited inter-BS communication.With the objective to reach the particular point on the Pareto boundary of user rates with the maximum worst-user rate,a near-optimal two-step centralized solution was first proposed.Based on that,a distributed solution was then developed,in which only limited number of positive scalars were needed to exchange between the BSs.Numerical simulation results show that the proposed distributed solution achieves a rate performance close to the centralized solution. |
| |
| Keywords: | multicell downlink beamforming distributed optimization limited intercell communication Pareto boundary |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《通信学报》浏览原始摘要信息 |
|
点击此处可从《通信学报》下载全文 |
|
