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Error propagation in blind sequence estimation

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2 Author(s)
Xiang-Guo Tang ; Dept. of Electr. & Comput. Eng., California Univ., Davis, CA, USA ; Zhi Ding

We demonstrate how error propagation may occur with blind sequence estimation based on the Viterbi algorithm (BSE-VA). We further show that differential encoding can be used to alleviate this error propagation in blind sequence estimation. In addition, we compare the BSE-VA with a much simpler differential correlation approach (DCA) method for differentially encoded input symbols.

Published in:

IEEE Communications Letters  (Volume:6 ,  Issue: 6 )