Maximising sum rate for two interfering wireless links

Nasreen Badruddin*, Jamie Evans, Stephen Hanly

*Corresponding author for this work

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

11 Citations (Scopus)

Abstract

In this paper, we consider the problem of maximising the sum rate of two interfering links in Gaussian noise. We assume no fading and that interference is treated as worst-case Gaussian noise, and that the optimal power allocation must be time-invariant. We show that either both links must operate at maximum power, or one link operates at maximum power and the other link is switched off. The switching point between one power scheme to another depends on the value of ± which is the SNR of the link, as well as the channel gains at all links.

Original languageEnglish
Title of host publicationProceedings of the 2008 Australian Communications Theory Workshop, AusCTW08
EditorsParastoo Sadeghi
Place of PublicationBellingham, WA
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages75-81
Number of pages7
ISBN (Electronic)9781424420384
ISBN (Print)9781424420377
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event2008 Australian Communications Theory Workshop, AusCTW08 - Christchurch, New Zealand
Duration: 30 Jan 20081 Feb 2008

Other

Other2008 Australian Communications Theory Workshop, AusCTW08
CountryNew Zealand
CityChristchurch
Period30/01/081/02/08

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