Performance Improvement in Cooperative Communication Wireless Networks Using QAM in Decode-and-Forward Protocol
D. Faridha Banu, R Pradeep, B. Hakeem, T.L. Kayathri · 2022 8th International Conference on Advanced Computing and Communication Systems (ICACCS) · 2022
In Cooperative communication networks, the Performance improvement of (QAM)Quadrature amplitude modulation for wireless networks over uniformly distributed Rayleigh fading channels using Decode-and-forward (DF) dual-hop relaying system are exploited. The general order rectangular QAM's lower bond expressions and ASER using maximal ratio combining (MRC) scheme with moment generating function (MGF) is employed. The QAM's Average symbol error rate has been derived using the best relay selection scheme (BRS). The derived expression is checked by comparing the simulated and Numerical results. By using different QAM, the Average symbol error rate and its performance is compared in terms of Signal to noise Ratio (SNR) gain of BRS schemes. ASER's impact on system parameters is highlighted. By simulation result, our approach shows that the proposed technique improves the performance of wireless networks.