Performance of GFDM system with channel estimation error over FTR mmWave channels for 5G and beyond communication
AEU - International Journal of Electronics and Communications(2023)
摘要
Millimeter-wave (mm-Wave) communication are the building block of the beyond 5G (B5G) generations. For mm-Wave communication, the fluctuating two-ray (FTR) fading channels serve as an appropriate model for the small-scale fading. Generalized frequency division multiplexing (GFDM) is envisioned as one of the potential candidate to fulfil the requirements of B5G communication systems. This paper presents the performance analysis of a GFDM system over the FTR fading environment. In this analysis, both GFDM and space-time coded (STC) GFDM system has been considered, and an exact closed-form expression of the average symbol error rate (ASER) is derived for the mu-QAM modulation technique under imperfect channel estimation condition. The simulation results demonstrate excellent agreement with the numerical results obtained for GFDM and STC-GFDM systems with different channel and system parameters such as m, K-f, Delta, T-A, R-A, rho(2)(A) and mu. An asymptotic analysis is also done for both systems.
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关键词
Average symbol error rate,Channel state information,Fluctuating two-ray mmWave channels,Space-time coded,Beyond 5G,GFDM
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