Multi-phased VSG CDMA with level clipping for high-rate transmission systems

Young-Hwan You,Cheol-Hee Park,Dae-Ki Hong,Sung-Jin Kang,Kyeung-Hak Seo,Jin-Woong Cho

IEEE Communications Letters（2003）

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摘要

In this letter, a multi-phased CDMA system employing a variable spreading gain (VSG) approach is proposed for high-rate applications, based on four algorithms for selecting a multi-code set. From simulation results, in addition to simple receiver structure thanks to level clipping, the multi-phased VSG CDMA system provides an high bit rate transmission, while maintaining an acceptable performance degradation.

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关键词

Multiaccess communication,Bit rate,Quadrature phase shift keying,Degradation,Performance gain,Fluctuations,Power system modeling,Multicarrier code division multiple access,Internet,Digital modulation

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