Frequency domain MDPSK based non-equalization OFDM for coherent free-space optical communication over modified rician turbulence channel

• Main Authors: Chen, Chen, Zhong, Wen-De, Li, Xiang
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2015
• Subjects: DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
• Online Access: https://hdl.handle.net/10356/103482; http://hdl.handle.net/10220/25503; http://search.informit.com.au/documentSummary;dn=539490233444530;res=IELENG
• Institution: Nanyang Technological University

We apply frequency-domain MDPSK based nonequalization OFDM (NE-OFDM) in coherent FSO communication. Our study shows that NE-OFDM attains a comparable BER performance to equalized OFDM, but with lower complexity and higher spectral efficiency.