Multi-user joint Doppler spread estimation in generalized distributed antenna system

被引：0
|
作者：
Xu, Jin [1 ]
Zhang, Jing [1 ]
Han, Juan [1 ]
Tao, Xiaofeng [1 ]
Li, Lihua [1 ]
Zhang, Ping [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Minist Educ, Wireless Technol Innovat WTI Inst, Beijing 100876, Peoples R China
来源：
2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5 | 2007年
关键词：
generalized distributed antenna system; Doppler spread; co-channel interference; multi-user joint Doppler spread estimation;
D O I：
10.1109/VETECF.2007.163
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Generalized distributed antenna is one of the most promising architectures likely to be used in next generation mobile communication systems. In this paper, based on the architecture, multi-user co-channel interference in Doppler spread estimation is analyzed and several useful conclusions are obtained. Moreover, in order to combat this interference, a novel ACF-based multi-user joint Doppler spread estimation (M-JDSE) algorithm is proposed, taking advantage of centralized signal processing characteristic in generalized distributed antenna systems. Both theoretical analysis and simulation results demonstrate the significant performance improvement of proposed M-JDSE algorithm in multi-user environments.
引用
收藏
页码：735 / 739
页数：5
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