Abstract
Conventional wireless communication systems operate in a half-duplex mode, i.e., current radios cannot transmit and receive at the same time and on the same frequency. Full-duplex wireless operation was generally assumed to be impossible due to the great difference in transmit and receive signal power levels. However, recent advances in antenna, hardware, and signal processing techniques have shown that full-duplex operation is practically feasible. Thanks to novel combinations of antenna, analog, and digital cancellation techniques, self-interference suppression of 80–110 dB can be made possible. The feasibility in building a practical full-duplex radio using off-the-shelf hardware and software-defined radios therefore alleviates many problems in wireless network design.
Highlights
C ONVENTIONAL wireless communication systems operate in a half-duplex mode, i.e., current radios cannot transmit and receive at the same time and on the same frequency
Recent advances in antenna, hardware, and signal processing techniques have shown that full-duplex operation is practically feasible
There is no question about the overall feasibility of full-duplex wired networking, but interesting new research problems and innovation opportunities emerge from developing full-duplex transceiver hardware, signal processing and networking concepts to outperform their half-duplex counterparts optimally in terms of different objectives and under varying design constraints
Summary
C ONVENTIONAL wireless communication systems operate in a half-duplex mode, i.e., current radios cannot transmit and receive at the same time and on the same frequency. Thanks to novel combinations of antenna, analog, and digital cancellation techniques, self-interference suppression of 80–110 dB can be made possible. The self-interference cancellation for a full-duplex system is typically implemented in analog and digital domains.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
