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Frequency-Domain Pre-Equalization for Multicode Direct Sequence Spread Spectrum Signal Transmission
Fumiyuki ADACHI Kazuaki TAKEDA Hiromichi TOMEBA
IEICE TRANSACTIONS on Communications
Publication Date: 2005/07/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
pre-equalization, frequency-domain equalization, direct sequence spread spectrum,
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Severe frequency-selective fading, encountered in a broadband wireless mobile communication, significantly degrades the bit error rate (BER) performance of direct sequence spread spectrum (DSSS) signal transmission with rake combining. In this paper, frequency-domain pre-equalization transmission, called pre-FDE transmission, is presented for orthogonal multicode DSSS signal transmission. It is confirmed by the computer simulation that pre-FDE transmission can achieve a BER performance almost identical to that attainable by FDE reception.