Full-Duplex Systems Using Multireconfigurable Antennas


Full-duplex systems are expected to achieve one hundred% rate improvement over half-duplex systems if the self-interference signal will be considerably mitigated. In this paper, we propose the primary full-duplex system utilizing multireconfigurable antenna (MRA) with ∼90% rate improvement compared with [*fr1]-duplex systems. MRA could be a dynamically reconfigurable antenna structure that's capable of adjusting its properties according to sure input configurations. A comprehensive experimental analysis is conducted to characterize the system performance in typical indoor environments. The experiments are performed employing a fabricated MRA that has 4096 configurable radiation patterns. The achieved MRA-primarily based passive self-interference suppression is investigated, with detailed analysis for the MRA training overhead. Additionally, a heuristic-primarily based approach is proposed to reduce the MRA training overhead. The results show that at one% training overhead, a complete of ninety five dB self-interference cancelation is achieved in typical indoor environments. The ninety five-dB self-interference cancellation is experimentally shown to be sufficient for ninety% full-duplex rate improvement compared with [*fr1]-duplex systems.

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