Performance of M-QAM MIMO PNC Based on MRC and ZR Techniques

IF 6.3 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Open Journal of the Communications Society Pub Date : 2025-01-29 DOI:10.1109/OJCOMS.2025.3535871

Alaa A. Yassin;Ebtihal H. G. Yousif;Rashid A. Saeed;Hashim Elshafie;Abdullah Alenizi;Hesham Alhumyani

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引用次数: 0

Abstract

Wireless networks have been experiencing a very substantial increase in the delivered amount of data with high speed, due to the expansion of wireless applications. Physical-layer Network Coding (PNC) combined with MIMO techniques is introduced to optimize performance metrics and provide increased data throughput and full diversity gain. This paper investigates the performance of MIMO PNC assuming a Two-Way Relay Network (TWRN) over Rayleigh fading. Maximum Ratio Combining (MRC) and Zero-Forcing (ZF) for the receive/transmit diversity techniques are used at the relay node to reduce multi-user interference. The system model is based on denoise-and-forward (DNF) relaying along with the Latin Square (LS) mapping algorithm at the relay node and square M-ary Quadrature Amplitude Modulation (M-QAM) at all nodes. The targetted performance metrics are the error probability, improvement of uplink capacity gain and downlink achievable sum rate. Furthermore, the mathematical model of end-to-end and uplink average error probability, PNC throughput, capacity, and sum rate are derived for the proposed scheme over the Rayleigh fading channel and verified through Monte-Carlo simulations. The obtained result demonstrates the reduction of symbol error rate in addition to enhancement of the normalized throughput, capacity, and sum rate when increasing the number of antenna at the relay node.

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来源期刊

IEEE Open Journal of the Communications Society Multiple-

CiteScore

13.70

自引率

3.80%

发文量

审稿时长

10 weeks

期刊介绍： The IEEE Open Journal of the Communications Society (OJ-COMS) is an open access, all-electronic journal that publishes original high-quality manuscripts on advances in the state of the art of telecommunications systems and networks. The papers in IEEE OJ-COMS are included in Scopus. Submissions reporting new theoretical findings (including novel methods, concepts, and studies) and practical contributions (including experiments and development of prototypes) are welcome. Additionally, survey and tutorial articles are considered. The IEEE OJCOMS received its debut impact factor of 7.9 according to the Journal Citation Reports (JCR) 2023. The IEEE Open Journal of the Communications Society covers science, technology, applications and standards for information organization, collection and transfer using electronic, optical and wireless channels and networks. Some specific areas covered include: Systems and network architecture, control and management Protocols, software, and middleware Quality of service, reliability, and security Modulation, detection, coding, and signaling Switching and routing Mobile and portable communications Terminals and other end-user devices Networks for content distribution and distributed computing Communications-based distributed resources control.