NDLI: The multicode interleaved DSSS system for high speed wireless digital communications

Content Provider	IEEE Xplore Digital Library
Author	Xiaojing Huang Yunxin Li
Copyright Year	2001
Description	Author affiliation: Motorola Australian Res. Center, Botany, NSW, Australia (Xiaojing Huang)
Abstract	An intersymbol interference (ISI) free spread spectrum system, named multicode interleaved direct sequence spread spectrum (MCI-DSSS) system, is proposed in this paper. By combining the multicode direct sequence spreading and block interleaving together, this system is able to provide high-speed data transmission over severe multipath frequency-selective fading channel While the ISI is resolved by the orthogonality of the code set used in the multicode spreading, high degree path diversity is exploited to overcome the significant dispersion of the channel which may have a delay spread much longer than one bit duration, Another advantage of this MCI-DSSS system over conventional multicode and multicarrier systems is its higher power efficiency as constant envelope modulations can be applied to the binary MCI-DSSS baseband signal. The principle of the multicode interleaved direct sequence spreading and the MCI-DSSS system models are described. The selection of practical code sets in relation to the system structures is summarized and numerical results are given.
Starting Page	2990
Ending Page	2994
File Size	510809
Page Count	5
File Format	PDF
ISBN	0780370971
DOI	10.1109/ICC.2001.937221
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-11
Publisher Place	Finland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spread spectrum communication Intersymbol interference Diversity reception Interleaved codes Data communication Frequency-selective fading channels Delay Modulation coding Baseband Power system modeling
Content Type	Text
Resource Type	Article

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