Adaptive co-channel interference cancelation for power-limited applications

Redha Mahmoud Mesleh Radaydeh, Mohamed-Slim Alouini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

This paper proposes an adaptive co-channel interference -steering algorithm for highly correlated receive antenna channels with an aim of reducing the power consumption at the receiver. With this algorithm, the receiver activates as many antennas as necessary to maintain the residual total interference instantaneous power within a tolerable range, which can be set to guarantee a target performance level. The mode of operation does not require perfect knowledge of the statistical ordering of interfering signals instantaneous powers, which further reduces the complexity of implementation. It is shown that the arbitrary interference cancelation technique and no cancelation scenario can be studied as limiting cases of the proposed scheme. Analytical expressions for the statistics of the residual total interference instantaneous power are derived, which are then used to obtain results for the average number of active antennas and system outage performance. Numerical studies supported by simulations are presented to clarify the usefulness of the proposed scheme. ©2010 IEEE.
Original languageEnglish (US)
Title of host publication21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages521-526
Number of pages6
ISBN (Print)9781424480166
DOIs
StatePublished - Sep 2010

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