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.
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页数：5
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