Performance of delay diversity with subcarrier-based signal phase rotation in OFDM system

Toshihiro Iima; Haruki Higuchi; Yukitoshi Sanada

doi:10.1109/ICCS.2010.5685938

Performance of delay diversity with subcarrier-based signal phase rotation in OFDM system

Toshihiro Iima, Haruki Higuchi, Yukitoshi Sanada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper investigates the performance of delay diversity with subcarrier-based signal phase rotation in an OFDM system. Delay diversity achieves transmit diversity with channel coding by intentionally ingenerating paths which have different delays at a transmitter side. However, the correlation between subcarriers is not always low. The proposed scheme which combines the delay diversity and the phase rotation of the transmit signal offers diversity gain by reducing the correlation between the specific combination of the subcarriers. It is shown through computer simulation that the proposed scheme improves the BER performance by about 2 dB with a repetition code.

Original language	English
Title of host publication	12th IEEE International Conference on Communication Systems 2010, ICCS 2010
Pages	436-440
Number of pages	5
DOIs	https://doi.org/10.1109/ICCS.2010.5685938
Publication status	Published - 2010 Dec 1
Event	12th IEEE International Conference on Communication Systems 2010, ICCS 2010 - Singapore, Singapore Duration: 2010 Nov 17 → 2010 Nov 19

Publication series

Name	12th IEEE International Conference on Communication Systems 2010, ICCS 2010

Other

Other	12th IEEE International Conference on Communication Systems 2010, ICCS 2010
Country/Territory	Singapore
City	Singapore
Period	10/11/17 → 10/11/19

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/ICCS.2010.5685938

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Performance of delay diversity with subcarrier-based signal phase rotation in OFDM system. / Iima, Toshihiro; Higuchi, Haruki; Sanada, Yukitoshi.
12th IEEE International Conference on Communication Systems 2010, ICCS 2010. 2010. p. 436-440 5685938 (12th IEEE International Conference on Communication Systems 2010, ICCS 2010).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Iima, T, Higuchi, H & Sanada, Y 2010, Performance of delay diversity with subcarrier-based signal phase rotation in OFDM system. in 12th IEEE International Conference on Communication Systems 2010, ICCS 2010., 5685938, 12th IEEE International Conference on Communication Systems 2010, ICCS 2010, pp. 436-440, 12th IEEE International Conference on Communication Systems 2010, ICCS 2010, Singapore, Singapore, 10/11/17. https://doi.org/10.1109/ICCS.2010.5685938

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AB - This paper investigates the performance of delay diversity with subcarrier-based signal phase rotation in an OFDM system. Delay diversity achieves transmit diversity with channel coding by intentionally ingenerating paths which have different delays at a transmitter side. However, the correlation between subcarriers is not always low. The proposed scheme which combines the delay diversity and the phase rotation of the transmit signal offers diversity gain by reducing the correlation between the specific combination of the subcarriers. It is shown through computer simulation that the proposed scheme improves the BER performance by about 2 dB with a repetition code.

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Performance of delay diversity with subcarrier-based signal phase rotation in OFDM system

Abstract

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