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Opportunistic interference cancelation and user selection in cognitive multiple access network

Maham, Behrouz; Popovski, Petar; Zhou, Xiangyun


This paper investigates the problem of spectrally efficient operation of a multi-user uplink cognitive radio system in the presence of a single primary link. The secondary system applies opportunistic interference cancelation (OIC) and decode the primary signal when such an opportunity is created. We derive the achievable rate in the secondary system when OIC is used. This scheme has a practical significance, since it enables rate adaptation without requiring any action from the primary system....[Show more]

CollectionsANU Research Publications
Type: Conference paper
Source: IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
DOI: 10.1109/SPAWC.2012.6292882
Access Rights: Open Access


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