A frame timing and carrier frequency synchronization scheme for OFDM using frequency-shifted signal

被引：0
|
作者：
Konishi, M [1 ]
Hosokawa, T [1 ]
Maeda, T [1 ]
Takahata, F [1 ]
机构：
[1] Waseda Univ, Grad Sch Sci & Engn, Tokyo 1698555, Japan
来源：
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS | 2002年 / 85卷 / 10期
关键词：
OFDM; frame timing synchronization; carrier frequency synchronization; guard interval; frequency shift;
D O I：
10.1002/ecja.1133
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：
This paper proposes a scheme for realizing simultaneously frame timing and carrier frequency synchronization in OFDM systems for wireless packet communications. Data symbols, which are frequency shifted by the half of subcarrier spacing based on the pattern of Barker sequence, are utilized as pilot symbols for the synchronization. The reduction of transmission efficiency could be minimized by carrying the data information on the pilot symbols. The performance evaluation by means of computer simulation demonstrates the good characteristics of the proposed system against the small Doppler frequency shift. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码：74 / 83
页数：10
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