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Precoder/two-stage equaliser for block-based single-carrier transmission with insufficient guard interval

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5 Author(s)
Song, Y. ; Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Kowloon, China ; Fung, C.C. ; Wong, K.T. ; Meng, H.
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Proposed is a zero-inserting precoder and a two-stage linear equaliser, to shorten the guard interval in block-based single-carrier modulation. The first-stage equaliser consists of a linear single-tapper-subcarrier frequency-domain equaliser. The second-stage equaliser maximises the SINR, in the time-domain, based on the interference-plus-noise estimated from the zero-padded sub-intervals of the single-carrier modulation. This proposed scheme is applicable even without cyclic prefixing.

Published in:

Electronics Letters  (Volume:47 ,  Issue: 13 )