On the synchronization techniques for wireless OFDM systems

被引:116
|
作者
Ai, Bo [1 ]
Yang, Zhi-Xing
Pan, Chang-Yong
Ge, Jian-Hua
Wang, Yong
Lu, Zhen
机构
[1] Tsinghua Univ, Dept E&E, State Key Lab Microwave & Digital Commun, Beijing 100084, Peoples R China
[2] Armed Police Force, Coll Engn, Xian 710086, Peoples R China
[3] Xidian Univ, Natl Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
[4] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200052, Peoples R China
关键词
carrier frequency synchronization; continuous mode and burst packet mode transmission systems; OFDM; sampling clock synchronization; symbol timing synchronization;
D O I
10.1109/TBC.2006.872990
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The latest research works on the synchronization scheme for either continuous transmission mode or burst packet transmission mode for the wireless OFDM communications are overviewed in this paper. The typical algorithms dealing with the symbol timing synchronization, the carrier frequency synchronization-as well as the sampling clock synchronization are briefly introduced and analyzed. Three improved methods for the fine symbol timing synchronization in frequency domain are also proposed, with several key issues on the synchronization for the OFDM systems discussed.
引用
收藏
页码:236 / 244
页数:9
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