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RF Self-Interference Reduction Techniques for Compact Full Duplex Radios Host Publication: 2015 IEEE 81st Vehicular Technology Conference (VTC Spring) Authors: B. Debaillie, D. van den broek, C. Lavin, B. Van Liempd, E. Klumperink, C. Palacios, J. Craninckx and B. Nauta Publisher: IEEE Publication Date: May. 2015 Number of Pages: 6
Abstract: This paper describes three RF self-interference reduction techniques for full-duplex wireless links, which specifically target integration in compact radios. Concretely, a self-interference cancelling front-end, a dual-polarized antenna, and an electrical balance duplexer are proposed. Each technique offers specific benefits in terms of implementation density, self-interference rejection, bandwidth and flexibility. Depending on their characteristics, they can be adopted in different next-generation full-duplex applications and standards. All concepts are prototyped, and achieve at least 45dB of self-interference reduction over more than 10MHz bandwidth.
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