Title :
Performance of zero-forcing equalizers for single-carrier zero-padded transmissions over multipath fading channels
Author_Institution :
Dept. of ACSE, Hiroshima Univ., Japan
Abstract :
We study the bit-error rate (BER) performance of single-carrier (SC) zero-padded (ZP) transmissions with zero-forcing (ZF) equalization. Padded redundant zeros mitigate multipath effects but reduce the bandwidth efficiency. We show analytically that the BER improves as the bandwidth efficiency decreases, i.e., there is a clear trade-off between BER and bandwidth efficiency. We also demonstrate that ZP outperforms SC cyclic prefixed (CP) transmission.
Keywords :
diversity reception; equalisers; error statistics; fading channels; multipath channels; BER; bandwidth efficiency; bit-error rate; multipath diversity; multipath fading channels; padded redundant zeros; single-carrier zero-padded transmission; zero-forcing equalizers; AWGN; Additive white noise; Bandwidth; Bit error rate; Equalizers; Fading; Finite impulse response filter; Intersymbol interference; OFDM; Transmitters;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on
Print_ISBN :
0-7803-8484-9
DOI :
10.1109/ICASSP.2004.1327002