Challenges and approaches to software defined duplexing radio

Recent advances in reconfigurable RF front end circuits, such as passive mixer first receivers have opened the door to the possibility of building radios that can be programmed to both transmit and receive across octaves of frequency while maintaining reasonable performance and extremely high levels...

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Published in2016 IEEE International Symposium on Circuits and Systems (ISCAS) pp. 2779 - 2782
Main Authors Apsel, Alyssa, Molnar, Alyosha, Yang, Dong, Yuksel, Hazal, Tappen, Thomas, Enroth, Emory, Mohiuddin, Mashrur, Boynton, Zachariah
Format Conference Proceeding Journal Article
LanguageEnglish
Published IEEE 01.05.2016
Subjects
Antennas
Circuits
Computer programs
Finite impulse response filters
Frequency Division Duplex
Hardware
Inductors
Matched filters
Radio
Receivers
Receiving
Software Defined Radio
Software radio
Transceiver
Transmission
Transversal filters
Wideband
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Summary:Recent advances in reconfigurable RF front end circuits, such as passive mixer first receivers have opened the door to the possibility of building radios that can be programmed to both transmit and receive across octaves of frequency while maintaining reasonable performance and extremely high levels of integration. One of the remaining challenges in software defined radio hardware is the construction of a flexible RF system capable of duplex operation. Specifically, transmitting and receiving on the same antenna across a wide band of frequencies presents a significant challenge. This paper presents some of the primary challenges that arise in this space, as well as some interesting published and potential solutions.
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SourceType-Conference Papers & Proceedings-2
ISSN:2379-447X
DOI:10.1109/ISCAS.2016.7539169