OFDM frame synchronization based on energy difference of the received preamble

doi:1005-8885 (2007) 01-0096-04

中国邮电高校学报(英文) ›› 2007, Vol. 14 ›› Issue (1): 96-99.doi: 1005-8885 (2007) 01-0096-04

OFDM frame synchronization based on energy difference of the received preamble

JIANG Feng, SONG Mei, GUO Da, SONG Jun-de

CAD and PCN Center, Electronic Engineering Institute, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2006-05-08 修回日期:1900-01-01 出版日期:2007-03-30
通讯作者: JIANG Feng

OFDM frame synchronization based on energy difference of the received preamble

JIANG Feng, SONG Mei, GUO Da, SONG Jun-de

CAD and PCN Center, Electronic Engineering Institute, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2006-05-08 Revised:1900-01-01 Online:2007-03-30
Contact: JIANG Feng

摘要/Abstract

摘要：

The article presents a novel orthogonal frequency division multiplexing (OFDM) frame synchronization method. The method uses the preamble that contains two identical halves, and the energy difference of the two similar parts of the received preamble in receiver is used to obtain the frame’s correct starting point. Furthermore, an improvement of the proposed method is presented, which uses the preamble that can be divided into four similar portions, and the energy difference of the four similar parts of the received preamble in receiver is used to obtain the frame’s correct starting point. The performances of the frame synchronization methods in multipath channel are compared in terms of mean square error (MSE) obtained by simulations. It can be seen from the simulation results that the proposed methods have better performances than Schmidl’s, Minn’s, and Park’s method in multipath channel.

关键词:

orthogonal;frequency;division;multiplexing;(OFDM);timing;offset,;frame;synchronization

Abstract:

Key words:

orthogonal frequency division multiplexing (OFDM) timing offset;frame synchronization

中图分类号:

TN929.05

JIANG Feng, SONG Mei, GUO Da, SONG Jun-de. OFDM frame synchronization based on energy difference of the received preamble[J]. Acta Metallurgica Sinica(English letters), 2007, 14(1): 96-99.

参考文献

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OFDM frame synchronization based on energy difference of the received preamble

OFDM frame synchronization based on energy difference of the received preamble

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