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Smoothed Viterbi Viterbi Blind Channel Estimation with Ambiguity Cancellation for Multicarrier Transmission

Abstract : This paper presents a general blind channel estimation algorithm for multicarrier transmission. The first stage is based on the classical Viterbi Viterbi approach with the estimation of the mean value of the 4 received estimated independently, phase ambiguities between frequencies have then to be fixed. This correction is done considering only an upper bound for the delay spread of the propagation channel. A projection algorithm is then introduced leading to the estimation of the channel impulse response. The proposed algorithm can be applied to all kinds of multicarrier waveforms. It leads to a communication capacity increase and it can also efficiently in a cognitive radio network context.
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https://hal.archives-ouvertes.fr/hal-01126507
Contributor : Laboratoire Cedric <>
Submitted on : Friday, March 6, 2015 - 11:59:11 AM
Last modification on : Wednesday, January 29, 2020 - 6:28:02 PM

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  • HAL Id : hal-01126507, version 1

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Michel Terre, Rabah Maoudj, Iness Ahriz, Adrien Savarit. Smoothed Viterbi Viterbi Blind Channel Estimation with Ambiguity Cancellation for Multicarrier Transmission. European Wireless, May 2014, Barcelona, Spain. pp.1 - 5. ⟨hal-01126507⟩

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