PDM-DPSK-MPPM hybrid modulation for multi-hop free-space optical communication

被引：0
作者：
王卓 [1 ]
石文孝 [1 ]
吴芃霞 [1 ]
机构：
[1] College of Communication Engineering, Jilin University
来源：
Optoelectronics Letters | 2016年 / 12卷 / 06期
基金：
中国国家自然科学基金;
关键词：
DPSK; BER; MPPM; PDM-DPSK-MPPM hybrid modulation for multi-hop free-space optical communication; free;
D O I：
暂无
中图分类号：
TN929.1 [光波通信、激光通信];
学科分类号：
0803 ;
摘要：
A hybrid polarization division multiplexed-differential phase shift keying-multipulse pulse position modulation(PDM-DPSK-MPPM) scheme for multi-hop free-space optical(FSO) communication is investigated. The analytical bit error rate(BER) of the proposed system in Gamma-Gamma turbulence channels is derived and verified using computer simulation. The results show that both multi-hop and hybrid modulation schemes are efficient techniques to improve the performance of FSO links. Compared with the traditional binary phase shift keying(BPSK) and MPPM, the hybrid scheme can improve the bandwidth-utilization efficiency and reliability of the system. Compared with the coherent demodulation of PDM-QPSK-MPPM, the system complexity is reduced at the cost of the degradation of BER performance, which can improve the practicality of hybrid modulation technology in FSO system.
引用
收藏
页码：450 / 454
页数：5
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