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Blind channel estimation based on the Lloyd-Max algorithm innarrowband fading channels and jamming
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index.pdf
Date
2011
Author
Dizdar, Onur
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In wireless communications, knowledge of the channel coefficients is required for coherent demodulation. In this thesis, a blind channel estimation method based on the Lloyd-Max algorithm is proposed for single-tap fading channels. The algorithm estimates the constellation points for the received signal using an iterative least squares approach. The algorithm is investigated for fast-frequency hopping systems with small block lengths and operating under partial-band and partial-time jamming for both detecting the jammer and estimating the channel. The performance of the Lloyd-Max channel estimation algorithm is compared to the performance of pilot-based channel estimation algorithms which also use the least squares approach and non-coherent demodulation and decoding.
Subject Keywords
Wireless communication systems.
URI
http://etd.lib.metu.edu.tr/upload/12613333/index.pdf
https://hdl.handle.net/11511/20547
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Graduate School of Natural and Applied Sciences, Thesis
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O. Dizdar, “Blind channel estimation based on the Lloyd-Max algorithm innarrowband fading channels and jamming,” M.S. - Master of Science, 2011.