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Full-duplex wireless communications using off-the-shelf radios: Feasibility and first results
Abstract
We study full-duplex wireless communication systems where same band simultaneous bidirectional communication is achieved via cancellation of the self-interfering signal. Using off-the-shelf MIMO radios, we present experimental results that characterize the suppression performance of three self-interference cancellation mechanisms, which combine a different mix of analog and digital cancellation. Our experimental results show that while the amount of self-interference increases linearly with the transmitted power, the self-interference can be sufficiently cancelled to make full-duplex wireless communication feasible in many cases. Our experimental results further show that if the self-interference is cancelled in the analog domain before the interfering signal reaches the receiver front end, then the resulting full-duplex system can achieve rates higher than the rates achieved by a half-duplex system with identical analog resources.
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Cited by
In-band full-duplex technology: Techniques and systems survey
Kolodziej, K. E., Perry, B. T., & Herd, J. S. (2019) · IEEE Transactions on Microwave Theory and Techniques · doi:10.1109/tmtt.2019.2896561 · Cited by 640
Foundations of MIMO Communication
Heath Jr, R. W., & Lozano, A. (2018) · Cambridge University Press eBooks · doi:10.1017/9781139049276 · Cited by 426
Full spectrum sharing in cognitive radio networks toward 5G: a survey
Hu, F., Chen, B., & Zhu, K. (2018) · IEEE Access · doi:10.1109/access.2018.2802450 · Cited by 321
Widely linear digital self-interference cancellation in direct-conversion full-duplex transceiver
Korpi, D., Anttila, L., Syrjala, V., & Valkama, M. (2014) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2014.2330093 · Cited by 287
Sharma, S. K., Bogale, T. E., Le, L. B., Chatzinotas, S., Wang, X., & Ottersten, B. (2018) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2017.2773628 · Cited by 248
Metadata
- Authors
- Duarte, M., & Sabharwal, A.
- Venue
- 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers
- Publisher
- IEEE
- Published
- 2010-11
- Pages
- 1558-1562
- ISSN
- 1058-6393 (ISSN-L)
- OpenAlex
- W2540960617
- Cited by
- 878
- References
- 0
- FWCI
- 40.18
- Type
- conference paper
- Language
- en
- Open access
- closed
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- Duarte, M., & Sabharwal, A. (2010). Full-duplex wireless communications using off-the-shelf radios: Feasibility and first results. 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers. https://doi.org/10.1109/acssc.2010.5757799
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