Approximate equation of bit error rate in OFDM systems over specular multipath fading channels

Fumihito Sasamori; Atsuhiro Yamano; Shiro Handa; Fumiaki Maehara; Fumio Takahata; Shinjiro Oshita

doi:10.1109/WCNC.2003.1200710

Approximate equation of bit error rate in OFDM systems over specular multipath fading channels

Fumihito Sasamori^*, Atsuhiro Yamano, Shiro Handa, Fumiaki Maehara, Fumio Takahata, Shinjiro Oshita

^*Corresponding author for this work

School of Fundamental Science and Engineering

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

1 Citation (Scopus)

Abstract

Orthogonal frequency division multiplexing (OFDM) systems avoid the effect of multipath fading by absorbing delayed waves into guard interval. But as the effect of delayed waves over guard interval becomes stronger, it causes the bit error rate (BER) performance in OFDM systems to be more degraded. This paper proposes the approximate derivation method of the BER in DQPSK/OFDM systems over frequency selective fading channels. In this study, we will derive the approximate equation of the BER with differential coding/differential detection in the time domain. We confirm that the BER derived from the proposed approximate equation coincides with that by computer simulation even when such parameters as the Doppler frequency shift, the delay spread, the Rician factor and so on are varied.

Original language	English
Title of host publication	2003 IEEE Wireless Communications and Networking Conference, WCNC 2003
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2096-2101
Number of pages	6
ISBN (Electronic)	0780377001
ISBN (Print)	9780780377004
DOIs	https://doi.org/10.1109/WCNC.2003.1200710
Publication status	Published - 2003 Jan 1
Event	2003 IEEE Wireless Communications and Networking Conference: The Dawn of Pervasive Communication, WCNC 2003 - New Orleans, United States Duration: 2003 Mar 16 → 2003 Mar 20

Publication series

Name	IEEE Wireless Communications and Networking Conference, WCNC
Volume	3
ISSN (Print)	1525-3511

Conference

Conference	2003 IEEE Wireless Communications and Networking Conference: The Dawn of Pervasive Communication, WCNC 2003
Country/Territory	United States
City	New Orleans
Period	03/3/16 → 03/3/20

ASJC Scopus subject areas

Engineering(all)

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10.1109/WCNC.2003.1200710

Cite this

Sasamori, F., Yamano, A., Handa, S., Maehara, F., Takahata, F., & Oshita, S. (2003). Approximate equation of bit error rate in OFDM systems over specular multipath fading channels. In 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003 (pp. 2096-2101). [1200710] (IEEE Wireless Communications and Networking Conference, WCNC; Vol. 3). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/WCNC.2003.1200710

Approximate equation of bit error rate in OFDM systems over specular multipath fading channels. / Sasamori, Fumihito; Yamano, Atsuhiro; Handa, Shiro et al.
2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc., 2003. p. 2096-2101 1200710 (IEEE Wireless Communications and Networking Conference, WCNC; Vol. 3).

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

Sasamori, F, Yamano, A, Handa, S, Maehara, F, Takahata, F & Oshita, S 2003, Approximate equation of bit error rate in OFDM systems over specular multipath fading channels. in 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003., 1200710, IEEE Wireless Communications and Networking Conference, WCNC, vol. 3, Institute of Electrical and Electronics Engineers Inc., pp. 2096-2101, 2003 IEEE Wireless Communications and Networking Conference: The Dawn of Pervasive Communication, WCNC 2003, New Orleans, United States, 03/3/16. https://doi.org/10.1109/WCNC.2003.1200710

Sasamori F, Yamano A, Handa S, Maehara F, Takahata F, Oshita S. Approximate equation of bit error rate in OFDM systems over specular multipath fading channels. In 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc. 2003. p. 2096-2101. 1200710. (IEEE Wireless Communications and Networking Conference, WCNC). doi: 10.1109/WCNC.2003.1200710

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AU - Takahata, Fumio

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AB - Orthogonal frequency division multiplexing (OFDM) systems avoid the effect of multipath fading by absorbing delayed waves into guard interval. But as the effect of delayed waves over guard interval becomes stronger, it causes the bit error rate (BER) performance in OFDM systems to be more degraded. This paper proposes the approximate derivation method of the BER in DQPSK/OFDM systems over frequency selective fading channels. In this study, we will derive the approximate equation of the BER with differential coding/differential detection in the time domain. We confirm that the BER derived from the proposed approximate equation coincides with that by computer simulation even when such parameters as the Doppler frequency shift, the delay spread, the Rician factor and so on are varied.

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Approximate equation of bit error rate in OFDM systems over specular multipath fading channels

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