Asymptotic analysis of full-duplex bidirectional MIMO link with transmitter noise

Mikko Vehkaperä, Taneli Riihonen, Risto Wichman

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

24 Citations (Scopus)

Abstract

Bidirectional wireless communication between two multi-antenna terminals that operate in a full-duplex mode is considered. The effects of loopback self-interference and transmit-side noise due to radio front-end imperfections are analyzed in the asymptotic regime where the number of antennas at both terminals grows large. The study compares two transparent mitigation schemes by which conventional spatial multiplexing can operate without being aware of the self-interference issue: spatial-domain null-space projection and time-domain subtractive cancellation. Both schemes eliminate the information-bearing part of the self-interference perfectly, but due to transmitter imperfections, the cancellation approach suffers from residual self-interference. The receive-side null-space projection, on the other hand, suppresses also the transmit-side distortion, but at the cost of reduction in the degrees of freedom available for data reception. The results indicate that suppression becomes preferred when the level of transmit-side noise increases and the receiver does not have instantaneous knowledge about the spatial structure of the self-interference. Exhaustive Monte Carlo simulations also show that the asymptotic analytical results are useful for evaluating the performance of practical not-so-large systems.
Original languageEnglish
Title of host publication2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC
Pages1265-1270
DOIs
Publication statusPublished - 1 Dec 2013
MoE publication typeA4 Article in a conference publication
Event2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2013 - London, United Kingdom
Duration: 8 Sep 201311 Sep 2013

Publication series

SeriesIEEE International Symposium on Personal, Indoor, and Mobile Radio Communications Workshops
ISSN2166-9570

Conference

Conference2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2013
CountryUnited Kingdom
CityLondon
Period8/09/1311/09/13

Fingerprint

Asymptotic analysis
MIMO systems
Telecommunication links
Transmitters
Bearings (structural)
Antennas
Defects
Multiplexing
Communication
Monte Carlo simulation

Cite this

Vehkaperä, M., Riihonen, T., & Wichman, R. (2013). Asymptotic analysis of full-duplex bidirectional MIMO link with transmitter noise. In 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC (pp. 1265-1270). IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications Workshops https://doi.org/10.1109/PIMRC.2013.6666333
Vehkaperä, Mikko ; Riihonen, Taneli ; Wichman, Risto. / Asymptotic analysis of full-duplex bidirectional MIMO link with transmitter noise. 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC. 2013. pp. 1265-1270 (IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications Workshops).
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abstract = "Bidirectional wireless communication between two multi-antenna terminals that operate in a full-duplex mode is considered. The effects of loopback self-interference and transmit-side noise due to radio front-end imperfections are analyzed in the asymptotic regime where the number of antennas at both terminals grows large. The study compares two transparent mitigation schemes by which conventional spatial multiplexing can operate without being aware of the self-interference issue: spatial-domain null-space projection and time-domain subtractive cancellation. Both schemes eliminate the information-bearing part of the self-interference perfectly, but due to transmitter imperfections, the cancellation approach suffers from residual self-interference. The receive-side null-space projection, on the other hand, suppresses also the transmit-side distortion, but at the cost of reduction in the degrees of freedom available for data reception. The results indicate that suppression becomes preferred when the level of transmit-side noise increases and the receiver does not have instantaneous knowledge about the spatial structure of the self-interference. Exhaustive Monte Carlo simulations also show that the asymptotic analytical results are useful for evaluating the performance of practical not-so-large systems.",
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Vehkaperä, M, Riihonen, T & Wichman, R 2013, Asymptotic analysis of full-duplex bidirectional MIMO link with transmitter noise. in 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC. IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications Workshops, pp. 1265-1270, 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC 2013, London, United Kingdom, 8/09/13. https://doi.org/10.1109/PIMRC.2013.6666333

Asymptotic analysis of full-duplex bidirectional MIMO link with transmitter noise. / Vehkaperä, Mikko; Riihonen, Taneli; Wichman, Risto.

2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC. 2013. p. 1265-1270 (IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications Workshops).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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Vehkaperä M, Riihonen T, Wichman R. Asymptotic analysis of full-duplex bidirectional MIMO link with transmitter noise. In 2013 IEEE 24th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications, PIMRC. 2013. p. 1265-1270. (IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications Workshops). https://doi.org/10.1109/PIMRC.2013.6666333