Asynchronous multirate optical wireless PPM-CDMA in an indoor non-directed diffuse channel

被引：2
|
作者：
Hwang, SS [1 ]
Park, C [1 ]
Lee, JH [1 ]
机构：
[1] Seoul Natl Univ, Inst New Media & Commun, Wireless Commun Lab, Gwanak Gu, Seoul 151742, South Korea
来源：
ELECTRONICS LETTERS | 1997年 / 33卷 / 18期
关键词：
optical communication; code division multiple access;
D O I：
10.1049/el:19971024
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：
Asynchronous multirate pulse position modulation-code division multiple access (PPM-CDMA) is proposed for an indoor optical wireless lime dispersive channel. As a signature sequence for CDMA, an optical orthogonal code (OOC) is used. The optical PPM-CDMA has advantages in that it is power efficient and provides multirate services by simply varying the modulation level for the fixed chip rate at the transmitter and sampling time at the receiver.
引用
收藏
页码：1565 / 1567
页数：3
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