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Joint Channel Estimation for Three-Hop MIMO Relaying Systems | IEEE Journals & Magazine | IEEE Xplore

Joint Channel Estimation for Three-Hop MIMO Relaying Systems


Abstract:

We propose a novel joint channel estimator for a relaying MIMO communication system. Considering a three-hop relaying protocol, our combined alternating least squares (Co...Show More

Abstract:

We propose a novel joint channel estimator for a relaying MIMO communication system. Considering a three-hop relaying protocol, our combined alternating least squares (Comb-ALS) algorithm obtains cooperative diversity by fully exploiting the tensor algebraic structures of the available cooperative MIMO links. This is achieved by coupling the tensor data for the different relay-assisted links to iteratively estimate the channel matrices. Simulation results corroborate the effectiveness of the proposed tensor-based joint channel estimator in comparison with a sequential tensor-based method and a sequential LS estimator.
Published in: IEEE Signal Processing Letters ( Volume: 22, Issue: 12, December 2015)
Page(s): 2430 - 2434
Date of Publication: 13 October 2015

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