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Authors: Rana Shahid Manzoor ; Varun Jeoti ; Nidal Kamel and Muhammad Asif

Affiliation: Universiti Teknologi PETRONAS (UTP), Malaysia

Keyword(s): SNR, Noise power estimation, Adaptive modulation, OFDM.

Related Ontology Subjects/Areas/Topics: Channel Coding, Modulation and Multi-User Detection ; Detection, Decoding and Diversity Techniques ; Telecommunications ; Wireless Information Networks and Systems

Abstract: In this paper, a noise power estimator based on one OFDM preamble is proposed. The estimator, unlike others, performs noise power estimation at the front-end of the receiver. The proposed estimator takes into consideration the different noise power levels over the OFDM sub-carriers. The OFDM band is divided into several sub-bands using wavelet packet and noise in each sub-band is considered white. The second-order statistics of the transmitted OFDM preamble are calculated in each sub-band and the noise power is estimated. The proposed estimator is compared with Reddy’s estimator for colored noise in terms of mean squared error (MSE).

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Paper citation in several formats:
Shahid Manzoor, R.; Jeoti, V.; Kamel, N. and Asif, M. (2008). A NOVEL FRONT-END NOISE POWER AND SNR ESTIMATION USING WAVELET-PACKETS IN OFDM SYSTEMS. In Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2008) - WINSYS; ISBN 978-989-8111-62-3, SciTePress, pages 140-144. DOI: 10.5220/0002023301400144

@conference{winsys08,
author={Rana {Shahid Manzoor}. and Varun Jeoti. and Nidal Kamel. and Muhammad Asif.},
title={A NOVEL FRONT-END NOISE POWER AND SNR ESTIMATION USING WAVELET-PACKETS IN OFDM SYSTEMS},
booktitle={Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2008) - WINSYS},
year={2008},
pages={140-144},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002023301400144},
isbn={978-989-8111-62-3},
}

TY - CONF

JO - Proceedings of the International Conference on Wireless Information Networks and Systems (ICETE 2008) - WINSYS
TI - A NOVEL FRONT-END NOISE POWER AND SNR ESTIMATION USING WAVELET-PACKETS IN OFDM SYSTEMS
SN - 978-989-8111-62-3
AU - Shahid Manzoor, R.
AU - Jeoti, V.
AU - Kamel, N.
AU - Asif, M.
PY - 2008
SP - 140
EP - 144
DO - 10.5220/0002023301400144
PB - SciTePress

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