Fast burst synchronisation technique for OFDM-WLAN systems

B Y Prasetyo; F Said; A H Aghvami

doi:10.1049/ip-com:20000612

Fast burst synchronisation technique for OFDM-WLAN systems

B Y Prasetyo, F Said, A H Aghvami

Centre for Telecommunications Research

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

26 Citations (Scopus)

Abstract

An MMSE (minimum mean square error)based joint timing and frequency synchronisation algorithm utilising a Simplified frame structure is proposed for fast burst synchronisation in orthogonal frequency division multiplexing (OFDM) systems. A single synchronisation symbol is exploited in the time domain to give, first, an estimate of coarse frame starting position and fine frequency offset, and later, in the frequency domain, the multiple of subcarrier spacing frequency offset using a reference symbol power adjustment (RPA) technique. The power of the start symbol, which also acts as a reference symbol in differential modulation, is varied linearly to determine the multiple subcarrier frequency offset. The performance of the proposed frame is confirmed by simulation for a differential quaternary phase shift keying (DQPSK) system in a multipath fading environment.

Original language	English
Pages (from-to)	292 - 298
Number of pages	7
Journal	IEE Proceedings in Communications
Volume	147
Issue number	5
DOIs	https://doi.org/10.1049/ip-com:20000612
Publication status	Published - Oct 2000

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abstract = "An MMSE (minimum mean square error)based joint timing and frequency synchronisation algorithm utilising a Simplified frame structure is proposed for fast burst synchronisation in orthogonal frequency division multiplexing (OFDM) systems. A single synchronisation symbol is exploited in the time domain to give, first, an estimate of coarse frame starting position and fine frequency offset, and later, in the frequency domain, the multiple of subcarrier spacing frequency offset using a reference symbol power adjustment (RPA) technique. The power of the start symbol, which also acts as a reference symbol in differential modulation, is varied linearly to determine the multiple subcarrier frequency offset. The performance of the proposed frame is confirmed by simulation for a differential quaternary phase shift keying (DQPSK) system in a multipath fading environment.",

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N2 - An MMSE (minimum mean square error)based joint timing and frequency synchronisation algorithm utilising a Simplified frame structure is proposed for fast burst synchronisation in orthogonal frequency division multiplexing (OFDM) systems. A single synchronisation symbol is exploited in the time domain to give, first, an estimate of coarse frame starting position and fine frequency offset, and later, in the frequency domain, the multiple of subcarrier spacing frequency offset using a reference symbol power adjustment (RPA) technique. The power of the start symbol, which also acts as a reference symbol in differential modulation, is varied linearly to determine the multiple subcarrier frequency offset. The performance of the proposed frame is confirmed by simulation for a differential quaternary phase shift keying (DQPSK) system in a multipath fading environment.

AB - An MMSE (minimum mean square error)based joint timing and frequency synchronisation algorithm utilising a Simplified frame structure is proposed for fast burst synchronisation in orthogonal frequency division multiplexing (OFDM) systems. A single synchronisation symbol is exploited in the time domain to give, first, an estimate of coarse frame starting position and fine frequency offset, and later, in the frequency domain, the multiple of subcarrier spacing frequency offset using a reference symbol power adjustment (RPA) technique. The power of the start symbol, which also acts as a reference symbol in differential modulation, is varied linearly to determine the multiple subcarrier frequency offset. The performance of the proposed frame is confirmed by simulation for a differential quaternary phase shift keying (DQPSK) system in a multipath fading environment.

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Fast burst synchronisation technique for OFDM-WLAN systems

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