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Differential beamforming using Rotman lens for wireless sensor networks
Alabed Samer,Al-Rabayah Mohammad,Mostafa Nour,Al-Arnaout Zakwan,Hamad Eyad M.,Maaz Issam,Kotb Yehia 한국통신학회 2023 ICT Express Vol.9 No.5
In this article, an optimal beamforming technique using a low cost intelligent Rotman lens antenna is proposed. The proposed technique enjoys full diversity with high coding gain, has a very low encoding and decoding complexity, and does not require channel knowledge at any transmitting or receiving antenna. From our simulation results, the proposed technique outperforms the best known non-coherent multi-antenna techniques. Furthermore, we prove that the BER expressions obtained from the theoretical analysis enjoy full diversity gain and match our conducted simulations.