Blind beamforming schemes in SC-FDMA systems with insufficient cyclic prefix and carrier frequency offset

Cheng Yi Liu; Yung Fang Chen; Chih Peng Li

doi:10.1109/TVT.2009.2023128

Blind beamforming schemes in SC-FDMA systems with insufficient cyclic prefix and carrier frequency offset

Cheng Yi Liu, Yung Fang Chen, Chih Peng Li

Department of Communication Engineering

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

7 Scopus citations

Abstract

In cyclic prefix (CP)-based transmission systems, if the time duration of the cyclic extension is shorter than the channel impulse response duration, system performance is degraded due to the introduction of intersymbol interference (ISI) and intercarrier interference (ICI). In this paper, we propose a blind beamforming algorithm for single-carrier frequency-division multiple-access (SC-FDMA) systems under insufficient CP scenarios. In addition, we also consider the effects of carrier frequency offsets (CFOs) in the processing schemes. The simulation results are presented by employing an SC-FDMA uplink signal model to illustrate the efficacy of the proposed algorithms.

Original language	English
Article number	4926206
Pages (from-to)	4848-4859
Number of pages	12
Journal	IEEE Transactions on Vehicular Technology
Volume	58
Issue number	9
DOIs	https://doi.org/10.1109/TVT.2009.2023128
State	Published - Nov 2009

Keywords

Antenna arrays
Beamforming
Interference cancellation
Single-carrier frequency-division multiple access (SC-FDMA)

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10.1109/TVT.2009.2023128

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title = "Blind beamforming schemes in SC-FDMA systems with insufficient cyclic prefix and carrier frequency offset",

abstract = "In cyclic prefix (CP)-based transmission systems, if the time duration of the cyclic extension is shorter than the channel impulse response duration, system performance is degraded due to the introduction of intersymbol interference (ISI) and intercarrier interference (ICI). In this paper, we propose a blind beamforming algorithm for single-carrier frequency-division multiple-access (SC-FDMA) systems under insufficient CP scenarios. In addition, we also consider the effects of carrier frequency offsets (CFOs) in the processing schemes. The simulation results are presented by employing an SC-FDMA uplink signal model to illustrate the efficacy of the proposed algorithms.",

keywords = "Antenna arrays, Beamforming, Interference cancellation, Single-carrier frequency-division multiple access (SC-FDMA)",

author = "Liu, {Cheng Yi} and Chen, {Yung Fang} and Li, {Chih Peng}",

note = "Funding Information: Manuscript received August 6, 2008; revised December 25, 2008 and February 26, 2009. First published May 15, 2009; current version published November 11, 2009. This work was supported by the National Science Council, Taiwan, under Contract NSC 98-2221-E-008-036 and Contract NSC 98-2623-E-009-002-D. The review of this paper was coordinated by Prof. S. Cui.",

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N2 - In cyclic prefix (CP)-based transmission systems, if the time duration of the cyclic extension is shorter than the channel impulse response duration, system performance is degraded due to the introduction of intersymbol interference (ISI) and intercarrier interference (ICI). In this paper, we propose a blind beamforming algorithm for single-carrier frequency-division multiple-access (SC-FDMA) systems under insufficient CP scenarios. In addition, we also consider the effects of carrier frequency offsets (CFOs) in the processing schemes. The simulation results are presented by employing an SC-FDMA uplink signal model to illustrate the efficacy of the proposed algorithms.

AB - In cyclic prefix (CP)-based transmission systems, if the time duration of the cyclic extension is shorter than the channel impulse response duration, system performance is degraded due to the introduction of intersymbol interference (ISI) and intercarrier interference (ICI). In this paper, we propose a blind beamforming algorithm for single-carrier frequency-division multiple-access (SC-FDMA) systems under insufficient CP scenarios. In addition, we also consider the effects of carrier frequency offsets (CFOs) in the processing schemes. The simulation results are presented by employing an SC-FDMA uplink signal model to illustrate the efficacy of the proposed algorithms.

KW - Antenna arrays

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KW - Interference cancellation

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Blind beamforming schemes in SC-FDMA systems with insufficient cyclic prefix and carrier frequency offset

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Keywords

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