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BER analysis of BPSK-SIM-based SISO and MIMO FSO systems in strong turbulence with pointing errors
Institution:1. Department of Electronics and Communication Engineering, National Institute of Technology (NIT) , Tiruchirappalli 620015, India;2. Department of Electrical, Electronic & Computer Engineering, University of Pretoria, South Africa;1. College of Information & Communication Engineering, Harbin Engineering University, Harbin, China;2. Remote Sensing Signal and Image Processing Laboratory, Department of Computer Science and Electrical Engineering, University of Maryland, Baltimore County, Baltimore, MD 21250, USA;3. Center for Excellence in Signal and Image Processing, Department of Electronics and Electrical Engineering, University of Strathclyde, Glasgow G1 1XW, UK;1. Department of Applied Optics and Photonics, Calcutta University, 92, A.P.C. Road, Kolkata 700 009, India;2. Department of Electronics & Communication Engineering, B. P. Poddar Institute of Management & Technology, 137, VIP Road, Kolkata 700052, India;1. State Key Laboratory of Integrated Service Networks, School of Telecommunications Engineering, Xidian University, Xi’an 710071, China;2. School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China;3. Key Laboratory of the Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices, School of Microelectronics, Xidian University, Xi’an 710071, China;1. Department of Electronic Engineering, Howard College, University of KwaZulu-Natal, Durban 4041, South Africa;2. Department of Computer Systems Engineering, Tshwane University of Technology, Pretoria 0001, South Africa;1. School of Electronics and Telecommunications, Hanoi University of Science and Technology, 405/C9, No. 1, Dai Co Viet Street, Hanoi 10000, Viet Nam;2. Computer Communications Lab, The University of Aizu, Tsuruga, Ikki-machi, Aizu-Wakamatsu shi, Fukushima-ken 965-8580, Japan
Abstract:Free space optics (FSO) is one of the sprouting technologies in optical communication systems domain. It can be employed as an alternative for the conventional radio frequency (RF) links to work out the current limitations in communication systems. But, the major drawback in FSO communication is the effect of random environment conditions on its performance. In this paper, we analyze the bit error rate (BER) and outage performance of single-input single-output (SISO) and multiple-input multiple-output (MIMO) FSO systems in strong atmospheric turbulence using binary phase shift keying subcarrier intensity modulation (BPSK-SIM) signaling technique. The closed-form expressions are derived and the results are realized in terms of 2D and 3D plots.
Keywords:Free space optics  Bit error rate  Outage probability  Single-input single-output  Multiple-input multiple-output
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