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AbstractThis paper discusses the design of a single channel full-duplex wireless transceiver. The design uses a combination of RF and baseband techniques to achieve full-duplexing with minimal effect on link reliability. Experiments on real nodes show the full-duplex prototype achieves median performance that is within 8% of an ideal full-duplexing system. This paper presents Antenna Cancellation, a novel technique for self-interference cancellation. In conjunction with existing RF interference cancellation and digital baseband interference cancellation, antenna cancellation achieves the amount of self-interference cancellation required for full-duplex operation. The paper also discusses potential MAC and network gains with full-duplexing. It suggests ways in which a full-duplex system can solve some important problems with existing wireless systems including hidden terminals, loss of throughput due to congestion, and large end-to-end delays. Copyright 2010 ACM.
CitationChoi JI, Jain M, Srinivasan K, Levis P, Katti S (2010) Achieving single channel, full duplex wireless communication. Proceedings of the sixteenth annual international conference on Mobile computing and networking - MobiCom ’10. Available: http://dx.doi.org/10.1145/1859995.1859997.
SponsorsThis work was supported by generous gifts from DoCoMo Capital,the National Science Foundation under grants #0831163 and#0846014, the King Abdullah University of Science and Technology(KAUST), Microsoft Research, a scholarship from the SamsungScholarship Foundation and a Stanford Terman Fellowship.Finally, we would like to thank our shepherd, Ashutosh Sabharwal,and the anonymous reviewers for their comments.
JournalProceedings of the sixteenth annual international conference on Mobile computing and networking - MobiCom '10