Power allocation strategies across N orthogonal channels for single-relay networks at both source and relay

Youngwook Ko, M. Ardakani, S.A. Vorobyov

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

Abstract

We consider a wireless relay network with one source, one relay and one destination, where communications between nodes are preformed over N orthogonal channels. This, for example, is the case when orthogonal frequency division multiplexing is employed for data communications. Since the power available at the source and relay is limited, we study optimal power allocation strategies at the source and relay in order to maximize the overall source-destination capacity. Depending on the availability of the channel state information at both the source and relay or only at the relay, power allocation is performed at both the source and relay or only at the relay. Considering different setups for the problem, various optimization problems are formulated and solved. Some properties of the optimal solution are also proved.
Original languageEnglish
Title of host publicationIEEE 17th International Conference on Telecommunications (ICT), 2010
Place of PublicationDoha, Qatar
Pages481-486
ISBN (Electronic)978-1-4244-5247-7
DOIs
Publication statusPublished - Apr 2010
EventIEEE 17th International Conference on Telecommunications (ICT), 2011 - Doha, Qatar
Duration: 07 Apr 201010 Apr 2010

Conference

ConferenceIEEE 17th International Conference on Telecommunications (ICT), 2011
CountryQatar
CityDoha
Period07/04/201010/04/2010

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