An algorithm to use in adaptive wideband duplexer for software radio

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Kannangara, Shyama Dilrukshi and Faulkner, Michael (2003) An algorithm to use in adaptive wideband duplexer for software radio. IEICE Transactions on Communications, E86-B (12). pp. 3452-3455. ISSN 0916-8516


This paper proposes a new algorithm to control an adaptive duplexer for multiband software radio. It uses a wideband low isolation device combined with a two-tap/two-loop adjustable canceller to eliminate the need for multiple switched high isolation duplexers. The taps are adjusted to provide isolation peaks in the transmit and receive bands. The algorithm is based on the superposition of squared errors and achieved 66 dB isolation of the transmit signal and a 37 dB cancellation of the transmitter noise in the receiver band.

Item type Article
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Historical > RFCD Classification > 280000 Information, Computing and Communication Sciences
Keywords duplexer, cancellation, algorithm, software radio
Citations in Scopus 2 - View on Scopus
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