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MIMO On-Frequency Repeater with Self-Interference Cancellation and Mitigation
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
Ericsson Research, Isafjordsgatan 14E, 164 93 Kista, Sweden.
2009 (English)In: 2009 IEEE VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, IEEE , 2009, 708-712 p.Conference paper (Refereed)
Abstract [en]

In this paper, we consider the idea of a MIMO on- frequency repeater (OFR), with end-to-end MIMO channel rank preservation, MIMO aware repeater output-to-input self- interference cancellation, and a new repeater output-to-input beamforming based interference mitigation method for MIMO signals. The latter is used to increase the repeater output-to-input isolation and in turn increase the communication rate and range. The MIMO-OFR idea is compared via simulation to two 2-phase forwarding methods. Through simulation, we observe higher mean channel capacity and improved outage probability for the proposed idea. The viability of the interference feedback mitigation method is also discussed by considering a reflection channel and channel estimation errors for the output-to-input channel, indicating positive potential worth exploring further.

Place, publisher, year, edition, pages
IEEE , 2009. 708-712 p.
, IEEE Vehicular Technology Conference, ISSN 1550-2252
Keyword [en]
self-interference cancellation, SIC, MIMO, repeater, on-frequency, relay, spatial multiplexing, beamforming
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-67298DOI: 10.1109/VETECS.2009.5073671ISI: 000273169200143OAI: diva2:484797
VTC Spring 2009 - IEEE 69th Vehicular Technology Conference; Barcelona; 26 April 2009 through 29 April 2009
QC 20120219Available from: 2012-01-27 Created: 2012-01-27 Last updated: 2012-02-19Bibliographically approved

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Communication Systems

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