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Reduced complexity in-phase/quadrature-phase turbo equalisation using iterative channel estimation

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3 Author(s)
Yeap, B.L. ; Dept. of Electron. & Comput. Sci., Southampton Univ., UK ; Wong, C.H. ; Hanzo, L.

A novel reduced complexity trellis-based equaliser, referred to as the in-phase/quadrature-phase equaliser (I/Q-EQ), is proposed. The I/Q-EQ is employed in the context of turbo equalisation (TEQ-IQ) and with the aid of iterative channel estimation. The performance of the TEQ-IQ is characterized in a noise limited environment over an equally-weighted, symbol-spaced three-path Rayleigh fading channel. The TEQ-IQ achieved the same performance as the conventional turbo equaliser, while achieving a complexity reduction by a factor of 1.25 and 7.17 for 4-QAM and 16-QAM, respectively

Published in:

Communications, 2001. ICC 2001. IEEE International Conference on  (Volume:2 )

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