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7th International Conference on Cognitive Radio Oriented Wireless Networks

Research Article

Controlling Aggregate Interference under Adjacent Channel Interference Constraint in TV White Space

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  • @INPROCEEDINGS{10.4108/icst.crowncom.2012.248439,
        author={Lei Shi and Ki Won Sung and Jens Zander},
        title={Controlling Aggregate Interference under Adjacent Channel Interference Constraint in TV White Space},
        proceedings={7th International Conference on Cognitive Radio Oriented Wireless Networks},
        publisher={IEEE},
        proceedings_a={CROWNCOM},
        year={2012},
        month={7},
        keywords={tv white space aggregate interference transmit power adjacent channel geo-location database},
        doi={10.4108/icst.crowncom.2012.248439}
    }
    
  • Lei Shi
    Ki Won Sung
    Jens Zander
    Year: 2012
    Controlling Aggregate Interference under Adjacent Channel Interference Constraint in TV White Space
    CROWNCOM
    IEEE
    DOI: 10.4108/icst.crowncom.2012.248439
Lei Shi1,*, Ki Won Sung1, Jens Zander1
  • 1: KTH Royal Institute of Technology
*Contact email: lshi@kth.se

Abstract

TV White space, where secondary systems can be deployed inside TV coverage area and utilize the geographically unoccupied TV channels, is considered as a promising solution to relieve the spectrum shortage. TV receivers must be protected from harmful interference, generated by the secondary users transmitting on both co-channel and adjacent channels. In this paper, we propose an analytical approach to determining the permissible transmit power of short-range secondary users under aggregate adjacent channel interference constraint in TV white space. This approach employs statistical interference modeling which considers random secondary users deployment, antenna gain pattern, shadow fading, and the cumulative effect of adjacent channel interference. Numerical results show that the proposed scheme permits significantly higher transmit power than the existing deterministic method does, while at the same time, it keeps the required level of protection for the TV reception. Therefore, considerable potential for the short-range secondary access to TV white space is expected with our approach.

Keywords
tv white space aggregate interference transmit power adjacent channel geo-location database
Published
2012-07-24
Publisher
IEEE
http://dx.doi.org/10.4108/icst.crowncom.2012.248439
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