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

Muneo Konishi; Taisuke Hosokawa; Tsuyoshi Maeda; Fumio Takahata

doi:10.1002/ecja.1133

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

Muneo Konishi, Taisuke Hosokawa, Tsuyoshi Maeda, Fumio Takahata

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	74-83
Number of pages	10
Journal	Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume	85
Issue number	10
DOIs	https://doi.org/10.1002/ecja.1133
Publication status	Published - 2002

Keywords

Carrier frequency synchronization
Frame timing synchronization
Frequency shift
Guard interval
OFDM

ASJC Scopus subject areas

Electrical and Electronic Engineering
Computer Networks and Communications

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10.1002/ecja.1133

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A frame timing and carrier frequency synchronization scheme for OFDM using frequency-shifted signal. / Konishi, Muneo; Hosokawa, Taisuke; Maeda, Tsuyoshi et al.

In: Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi), Vol. 85, No. 10, 2002, p. 74-83.

Research output: Contribution to journal › Article › peer-review

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AB - 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.

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

Abstract

Keywords

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