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Article type: Research Article
Authors: Deotale, Nitina; * | Kolekar, Uttamb | Kondelwar, Anuradhac
Affiliations: [a] Department of Electronics and Telecommunication Engineering, Priyadarshini College of Engineering, Nagpur, India | [b] A.P. Shah Institute of Technology, Thane, India | [c] Department of Electronics and Telecommunication Engineering, Priyadarshini College of Engineering, Nagpur, India
Correspondence: [*] Corresponding author: Nitin Deotale, Department of Electronics and Telecommunication Engineering, Priyadarshini College of Engineering, Nagpur, India. E-mail: nitindeotale32@gmail.com.
Abstract: In general, MIMO upgrades the radio communication with improved capacity and reliability. As there is a presence of multiple antennas at transmitter and receiver side, the proper Transmit Antenna Selection (TAS) for attaining effective performance is still a challenging point. This paper intends to introduce a TAS algorithm in LTE system using Self-Adaptive Grey Wolf Optimization (SAGWO) for improving the system performance. It introduces self-adaptiveness in the Grey Wolf Optimization (GWO) by determining the capacity improvement accomplished by each candidate solution for the TAS problem followed by updating the candidate solution based on the improvement. The simulation model considers both Rayleigh channel and Rician channel, for four antenna configurations like 2 × 2, 3 × 2, 4 × 2 and 4 × 4. To the next of the simulation, it compares the performance of SAGWO-TAS with EDB-TAS, ECB-TAS, ABC-TAS, GA-TAS, FF-TAS, PSO-TAS and GWO-TAS, i.e., traditional TAS models using Artificial Bee Colony (ABC), Ergodic Capacity (ECB), Euclidean Distance (EDB), Firefly (FF), Genetic Algorithm (GA), Particle Swarm Optimization (PSO) and GWO, respectively. It observes the BER (bit error ratio) and mean BER at varied SNR (signal-to-noise ratio) in the analysis section. The analysis proves that the BER is highly reduced for proposed optimal TAS model.
Keywords: LTE, transmit antenna selection, Rayleigh, Rician, bit error ratio, self-adaptive grey wolf optimization
DOI: 10.3233/MGS-180281
Journal: Multiagent and Grid Systems, vol. 14, no. 1, pp. 67-82, 2018
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