Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment

Takuro Sato; Soichi Watanabe; Takeo Abe

doi:10.1109/ICUPC.1998.733690

Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment

Takuro Sato, Soichi Watanabe, Takeo Abe

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

Abstract

This paper describes a two dimensional (2D) equalization scheme using a higher degree equation to estimate the phase/amplitude variations of the frequency selective fading. The 2D equalization scheme reduces the multiple access interference (MAI) using the estimated parameters which is obtained by iterative estimation of the 2D coding preamble signal. The estimated phase variation of the frequency selective fading is obtained by a minimum square law using a higher degree predictive equation. The first degree and quadric equations are evaluated for frequency domain estimation. The estimated values are updated by a decision feedback equalizer (DFE). This paper evaluates the characteristics of the 2D equalization for the case of 2.048 Mbps of high speed data transmission under a frequency selective fading environment, when the fading frequencies are 50 and 100 Hz and two path conditions exist.

Original language	English
Title of host publication	ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1215-1219
Number of pages	5
Volume	2
ISBN (Print)	0780351061, 9780780351066
DOIs	https://doi.org/10.1109/ICUPC.1998.733690
Publication status	Published - 1998
Externally published	Yes
Event	IEEE International Conference on Universal Personal Communications, ICUPC 1998 - Florence, Italy Duration: 1998 Oct 5 → 1998 Oct 9

Other

Other	IEEE International Conference on Universal Personal Communications, ICUPC 1998
Country	Italy
City	Florence
Period	98/10/5 → 98/10/9

Keywords

Amplitude estimation
Data communication
Decision feedback equalizers
Equations
Fading
Frequency domain analysis
Frequency estimation
Multiple access interference
Parameter estimation
Phase estimation

ASJC Scopus subject areas

Computer Networks and Communications

Access to Document

10.1109/ICUPC.1998.733690

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Sato, T., Watanabe, S., & Abe, T. (1998). Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment. In ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings (Vol. 2, pp. 1215-1219). [733690] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICUPC.1998.733690

Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment. / Sato, Takuro; Watanabe, Soichi; Abe, Takeo.

ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings. Vol. 2 Institute of Electrical and Electronics Engineers Inc., 1998. p. 1215-1219 733690.

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

Sato, T, Watanabe, S & Abe, T 1998, Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment. in ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings. vol. 2, 733690, Institute of Electrical and Electronics Engineers Inc., pp. 1215-1219, IEEE International Conference on Universal Personal Communications, ICUPC 1998, Florence, Italy, 98/10/5. https://doi.org/10.1109/ICUPC.1998.733690

Sato T, Watanabe S, Abe T. Two dimensional equalization scheme of orthogonal coding multi-carrier CDMA under frequency selective fading environment. In ICUPC 1998 - IEEE 1998 International Conference on Universal Personal Communications, Conference Proceedings. Vol. 2. Institute of Electrical and Electronics Engineers Inc. 1998. p. 1215-1219. 733690 https://doi.org/10.1109/ICUPC.1998.733690

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