Ai Bo*, Zhong Zhang-Dui, Zhu Gang, Xu Rong-Tao and Ding Jian-Wen
State Key Lab. of Rail Traffic Control and Safety (Beijing Jiaotong University, Beijing, 100044, China)
Received: October 12, 2007; Accepted: September 21, 2007; Revised: October 25, 2007
Abstract: The latest patents on the synchronization techniques in wireless OFDM communications systems are
overviewed in this paper. The novel inventions and methods in those patents, which deal with the symbol timing
synchronization, the carrier frequency synchronization as well as the sampling clock synchronization in either the
continuous transmission mode or the burst packet transmission mode systems are introduced and analyzed. Based on the
corresponding analysis, the technical forecast and the future developments for synchronization techniques in OFDM
systems are discussed in the paper as well
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