Joint Spatio-Frequency Resource Management for Cognitive MIMO Systems

Yuan Fei Xu; Li Hong Li

doi:10.4028/www.scientific.net/AMM.513-517.1600

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517Joint Spatio-Frequency Resource Management for...

Joint Spatio-Frequency Resource Management for Cognitive MIMO Systems

Abstract:

This paper proposes a joint spatio-frequency resource model and management strategy in cognitive MIMO (Multi-Input Multi-Output) systems by exploiting the spatial signal processing ability provided by multi-antenna techniques. With the scheme cognitive system could coexist with the primary in one occupied authorized frequency channel without interfere with the later. Accordingly cognitive transmission could be carried out even there is no idle spectrum available. This is a complement to traditional CR in which the performance of cognitive user depends to a great extent on the availability of spectrum hole. Simulation results show that compared with conventional CR, the proposed method could effectively improve the performance of cognitive user on the premises that no interference is imposed on the primary.

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

Pages:

1600-1604

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.1600

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Online since:

February 2014

Authors:

Yuan Fei Xu*, Li Hong Li

Keywords:

Cognitive Radio (CR), MIMO Systems, Outage, Precoding

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* - Corresponding Author

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