Quasi-Orthogonal Multi-Carrier CDMA

被引：0

作者：

Jitsumatsu, Yutaka ^{[1
]}

Kohda, Tohru ^{[1
]}

机构：

[1] Kyushu Univ, Dept Comp Sci & Commun Engn, Nishi Ku, Fukuoka 8190395, Japan

来源：

GLOBECOM 2008 - 2008 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE | 2008年

关键词：

D O I：

10.1109/GLOCOM.2008.ECP.229

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

It is believed that the dimension of the signal space with interval T and bandwidth W is 2WT, while we cannot make the out-of-band and out-of-time energies of any waveform zero. We propose a Gaussian pulse shaping for multi-carrier CDMA systems to utilize the time and frequency resources effectively. Gaussian pulses have ICI and ISI; they are not orthogonal. Markovity of spreading codes save the drawback of ICI and ISI. Overlapped Gaussian pulses increase the spectral efficiency.

引用

页数：5

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