Energy-aware cooperative spectrum sensing with inter-channel interference cancellation for cognitive radio networks

Bingxuan Zhao*, Shigeru Shimamoto

*この研究の対応する著者

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

As the precondition of dynamic spectrum access (DSA), the accuracy and efficiency of spectrum sensing (SS) have an important impact on performance of cognitive networks. However, the performance of energy-aware SS is greatly compromised by the accompanying inter-channel interference (ICI). Aiming to alleviate ICI, this paper proposes an energy-aware cooperative SS method with ICI cancellation. The proposed method consists of two parts: the determination of the optimal threshold and the ICI cancellation. The optimal threshold is obtained by minimizing the sum of probabilities of false alarm and missed detection. The ICI cancellation is implemented indirectly by solving a non-homogeneous linear equation set with a coefficient matrix depending only on the distances between the secondary users and the transmitters of primary users. Simulation shows that the proposed SS method can efficiently cope with the ICI and can achieve much better performance in the range with low signal to interference-plus-noise ratio.

本文言語English
ホスト出版物のタイトル2011 20th International Conference on Computer Communications and Networks, ICCCN 2011 - Proceedings
DOI
出版ステータスPublished - 2011 9 26
イベント2011 20th International Conference on Computer Communications and Networks, ICCCN 2011 - Maui, HI, United States
継続期間: 2011 7 312011 8 4

出版物シリーズ

名前Proceedings - International Conference on Computer Communications and Networks, ICCCN
ISSN(印刷版)1095-2055

Conference

Conference2011 20th International Conference on Computer Communications and Networks, ICCCN 2011
国/地域United States
CityMaui, HI
Period11/7/3111/8/4

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • ハードウェアとアーキテクチャ
  • ソフトウェア

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