Acta Optica Sinica, Volume. 39, Issue 7, 0706001(2019)
Layered Optical Spatial Modulation in Turbulent Channels
Figures & Tables(6)
Fig. 4. Bit error performance of LOSM and SPPM systems at different transmission rates
Table 1. Codeword table of LOSM system
View tableTable 1. Codeword table of LOSM system
Source bits b (1),b (2)First layer transmitter index 2-PAM signal Second layer transmitter index 4-PPM signal 000,0000 =[1,0,0,0,0]T Al =Δ =[0,1,0,0,0]T xm =[Dm ,0,0,0]000,0001 =[1,0,0,0,0]T Al =Δ =[0,1,0,0,0]T xm =[0,Dm ,0,0]000,0010 =[1,0,0,0,0]T Al =Δ =[0,1,0,0,0]T xm =[0,0,Dm ,0]000,0011 =[1,0,0,0,0]T Al =Δ =[0,1,0,0,0]T xm =[0,0,0,Dm ]︙ ︙ ︙ ︙ ︙ 111,1111 =[0,0,0,1,0]T Al =2Δ =[0,0,0,0,1]T xm =[0,0,0,Dm ]
Table 2. Spectral efficiency of optical spatial modulation
View tableTable 2. Spectral efficiency of optical spatial modulation
Serial number Modulation Spectral efficiency /(bit·s-1·Hz-1) Transmission rate /(bit·s-1) 1 L -PAM MUXN tlog2L N tlog2L 2 L -SPAMlog2( LN )log2( LN )3 M -SPPMlog2( MN )/M log2( MN )4 ( L ,M )-LOSMlog2( LN )+log2(MN )/M log2( LN )+log2(MN )
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Huiqin Wang, Yating Li, Minghua Cao, Zhongxian Bao. Layered Optical Spatial Modulation in Turbulent Channels[J]. Acta Optica Sinica, 2019, 39(7): 0706001
Paper Information
Category: Fiber Optics and Optical Communications
Received: Feb. 13, 2019
Accepted: Mar. 22, 2019
Published Online: Jul. 16, 2019
The Author Email: Wang Huiqin (15117024169@139.com)
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