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Subspace approach to blind and semi-blind channel estimation for space-time block codes

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2 Author(s)
Zhiguo Ding ; Dept. of Electr. & Electron. Eng., Imperial Coll. London, UK ; D. B. Ward

A new approach to blind and semi-blind channel estimation for space-time block codes (STBCs) is presented. By exploiting the recently proposed generalized space-time block code framework, an STBC system is reduced from multiple-input multiple-output to a single-input multiple-output system. A conventional blind algorithm based on the subspace algorithm is then used to identify the channel impulse responses and achieve equalization. Simulation results demonstrate the performance of the proposed algorithm and a comparable scheme.

Published in:

IEEE Transactions on Wireless Communications  (Volume:4 ,  Issue: 2 )