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Frequency selective channel estimation in time-reversed space-time coding

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2 Author(s)
Ammar, N. ; Dept. of Electr. & Comput. Eng., California Univ., Davis, CA, USA ; Zhi Ding

Time reversed space-time block code (TR-STBC) was originally proposed to handle frequency selective fading channels. Its detection requires accurate channel knowledge at the receiver side. In this work, we present a channel estimation approach that does not require training data under TR-STBC encoding. We provide identification conditions that are based on the known code parameters as well as channel matrix rank. We present a simple subspace algorithm for channel estimation. Additionally, simulations results are presented to highlight the performance of the estimation scheme.

Published in:

Wireless Communications and Networking Conference, 2004. WCNC. 2004 IEEE  (Volume:3 )

Date of Conference:

21-25 March 2004