TitleFull-Duplex mmWave Communication with Hybrid Precoding and Combining
Publication TypeConference Paper
Year of Publication2020
AuthorsLópez-Valcarce, R, Martínez-Cotelo, M
Conference NameEuropean Signal Processing Conference (EUSIPCO)
Date Published08/2020
Conference LocationAmsterdam (Netherlands)
Keywordsfull-duplex, mmWave, rodin, winter
Abstract We investigate the design of hybrid precoders and combiners for a millimeter wave (mmWave) point-to-point bidirectional link in which both nodes transmit and receive simultaneously and on the same carrier frequency. In such full-duplex configuration, mitigation of self-interference (SI) becomes critical. Large antenna arrays provide an opportunity for spatial SI suppression in mmWave. We assume a phase-shifter based, fully connected architecture for the analog part of the precoder and combiner. The proposed design, which aims at cancelling SI in the analog domain to avoid frontend saturation, significantly improves on the performance of previous approaches.