A space-time block-coded OFDM scheme for unknown frequency-selective fading channels

M. Uysal; N. Al-Dhahir; C. N. Georghiades

A space-time block-coded OFDM scheme for unknown frequency-selective fading channels

M. Uysal, N. Al-Dhahir, C. N. Georghiades

Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

We introduce a space-time block-coded orthogonal frequency-division multiplexing (STBC-OFDM) scheme for frequency-selective fading channels which does not require channel knowledge either at the transmitter or at the receiver. The decoding algorithm is based on generalized maximum-likelihood sequence estimation. Due to the assumed orthogonality structure of STBC, the decoding rule reduces to a single step. Its form also allows the derivation of a recursive expression, which can be easily implemented by a Viterbi-type algorithm. We investigate the performance of the proposed scheme over two-tap Rayleigh fading channels. Simulation results show the performance of the proposed recursive-type receiver to be near optimum.

Original language	English (US)
Pages	G93-G97
State	Published - 2001
Event	12th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2001) - San Diego, CA, United States Duration: Sep 30 2001 → Oct 3 2001

Conference

Conference	12th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2001)
Country/Territory	United States
City	San Diego, CA
Period	9/30/01 → 10/3/01

ASJC Scopus subject areas

General Engineering

Cite this

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title = "A space-time block-coded OFDM scheme for unknown frequency-selective fading channels",

abstract = "We introduce a space-time block-coded orthogonal frequency-division multiplexing (STBC-OFDM) scheme for frequency-selective fading channels which does not require channel knowledge either at the transmitter or at the receiver. The decoding algorithm is based on generalized maximum-likelihood sequence estimation. Due to the assumed orthogonality structure of STBC, the decoding rule reduces to a single step. Its form also allows the derivation of a recursive expression, which can be easily implemented by a Viterbi-type algorithm. We investigate the performance of the proposed scheme over two-tap Rayleigh fading channels. Simulation results show the performance of the proposed recursive-type receiver to be near optimum.",

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T1 - A space-time block-coded OFDM scheme for unknown frequency-selective fading channels

AU - Uysal, M.

AU - Al-Dhahir, N.

AU - Georghiades, C. N.

PY - 2001

Y1 - 2001

N2 - We introduce a space-time block-coded orthogonal frequency-division multiplexing (STBC-OFDM) scheme for frequency-selective fading channels which does not require channel knowledge either at the transmitter or at the receiver. The decoding algorithm is based on generalized maximum-likelihood sequence estimation. Due to the assumed orthogonality structure of STBC, the decoding rule reduces to a single step. Its form also allows the derivation of a recursive expression, which can be easily implemented by a Viterbi-type algorithm. We investigate the performance of the proposed scheme over two-tap Rayleigh fading channels. Simulation results show the performance of the proposed recursive-type receiver to be near optimum.

AB - We introduce a space-time block-coded orthogonal frequency-division multiplexing (STBC-OFDM) scheme for frequency-selective fading channels which does not require channel knowledge either at the transmitter or at the receiver. The decoding algorithm is based on generalized maximum-likelihood sequence estimation. Due to the assumed orthogonality structure of STBC, the decoding rule reduces to a single step. Its form also allows the derivation of a recursive expression, which can be easily implemented by a Viterbi-type algorithm. We investigate the performance of the proposed scheme over two-tap Rayleigh fading channels. Simulation results show the performance of the proposed recursive-type receiver to be near optimum.

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M3 - Paper

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SP - G93-G97

T2 - 12th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2001)

Y2 - 30 September 2001 through 3 October 2001

ER -

A space-time block-coded OFDM scheme for unknown frequency-selective fading channels

Abstract

Conference

ASJC Scopus subject areas

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