Multi-User Massive MIMO System with Adaptive Antenna Grouping for Beyond 5G Communication Network

Shakti Raj Chopra, Akhil Gupta, Sudeep Tanwar (), Calin Ovidiu Safirescu (), Traian Candin Mihaltan () and Ravi Sharma
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Shakti Raj Chopra: School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144411, India
Akhil Gupta: School of Electronics and Electrical Engineering, Lovely Professional University, Phagwara 144411, India
Sudeep Tanwar: Department of Computer Science and Engineering, Institute of Technology, Nirma University, Ahmedabad 382481, India
Calin Ovidiu Safirescu: Environment Protection Department, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca Calea Mănăştur No. 3-5, 400372 Cluj-Napoca, Romania
Traian Candin Mihaltan: Faculty of Building Services, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania
Ravi Sharma: Centre for Inter-Disciplinary Research and Innovation, University of Petroleum and Energy Studies, Dehradun 248001, India

Mathematics, 2022, vol. 10, issue 19, 1-21

Abstract: Error-correcting codes with limited errors and higher spectral efficiency are the main concern for wireless communications. In the current situation, research is increasing daily to satisfy the growing demand for users with improved QoS. Adaptive Antenna Grouping (AAG) with a multilevel space–time trellis coding scheme in the Multi-User Massive MIMO system is the better option to provide flexible data transfer speeds, encoding gains, and gain in diversity with improved spectral efficiency and low decoding complexity, including the power optimization by reduced SNR at the same Symbol Error Rate/Frame Error Rate (SER/FER). The prior aim of maintaining spectral efficiency is achieved by using Massive MIMO. This paper presents the AAG according to the channel state information in the Massive MIMO scenario. The impact of the proposed model on standard ITU-R M.2135 scenarios is also demonstrated in this paper.

Keywords: multi-user; massive MIMO; AAG; spectral efficiency; FER; SER (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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