Differential Two-Pulses Position Modulation for Synchronized Wireless Optical Communications

被引：0
|
作者：
Rouissat, Mehdi [1 ]
Borsali, Riad Ahmed [1 ]
机构：
[1] Abou Bekr Belkaid Univ, TLT, Dept Elect, Fac Technol, Tilimsen, Algeria
来源：
COMPUTER NETWORKS, CN 2013 | 2013年 / 370卷
关键词：
MPPM; DPPM; D2PPM; optical wireless communications; performance analysis;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In Wireless Optical Systems (WOS), Multi-pulse Pulse Position Modulation and Differential Pulse Position Modulation are two famous modulation schemes compatible with free space optical communication system. In this paper we present a modified form of the existing DPPM based on MPPM coding, called Differential Two-Pulses Position Modulation (D2PPM). In this new form, every symbol ends with a pulse, thus it doesn't require any synchronization, and moreover it shows an improvement in terms of spectral efficiency and data rate. We present the expressions of spectral efficiency, power requirements, and the data rate improvement normalized to PPM, and we present also comparison results to MPPM modulation scheme.
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页码：252 / 257
页数：6
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