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

Authors:
Zhiguo Ding;D. B. Ward
Affiliations:
Dept. of Electr. & Electron. Eng., Imperial Coll. London, UK;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2005

Citing 0
Cited 3

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A linear programming receiver for blind detection of full rate space-time block codes

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Abstract

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.