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International Conference on Internet of Things as a Service

IoTaaS 2018: IoT as a Service pp 448–458Cite as

A Novel DAG Spectrum Sensing Algorithm with Reducing Computational Complexity

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Abstract

Aiming at problems that the eigenvalue based spectrum sensing algorithms don’t perform well in the situation of low SNR, small sample and need high computational complexity with eigenvalue decomposition, based on the difference value between maximum and minimum eigenvalue spectrum sensing algorithm (DMM), a difference value between the arithmetic mean and geometric mean eigenvalue spectrum sensing algorithm (DAG) with low computational complexity and dynamic threshold was proposed, which via the power method. Simulation results show that the DAG can improve performance over the classical algorithms in situation of low SNR, small samples and increased second users without reduction of computational complexity.

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Acknowledgment

This work was supported in part by:

(1) The National Science Foundation of China (61701521).

(2) The Certificate of China Postdoctoral Science Foundation Grant (2016M603044).

(3) The National Science Foundation of ShannXi (2018JQ6074).

Author information

Authors and Affiliations

  1. Institute of Information and Navigation, Airforce Engineering University, Xi’an, China

    Weiting Gao, Fuwei Jiang & Weilun Liu

  2. Xi’an Modern Control Technology Research Institute, Xi’an, China

    Fei Ma

Authors
  1. Weiting Gao
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  2. Fuwei Jiang
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  3. Fei Ma
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  4. Weilun Liu
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Corresponding author

Correspondence to Weiting Gao .

Editor information

Editors and Affiliations

  1. Northwestern Polytechnical University, Xi′an, China

    Bo Li

  2. Northwestern Polytechnical University, Xi'an, China

    Mao Yang

  3. Shandong University, Jinan, Qinghai, China

    Hui Yuan

  4. Northwestern Polytechnical University, Xi'an, Shaanxi, China

    Zhongjiang Yan

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© 2019 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Cite this paper

Gao, W., Jiang, F., Ma, F., Liu, W. (2019). A Novel DAG Spectrum Sensing Algorithm with Reducing Computational Complexity. In: Li, B., Yang, M., Yuan, H., Yan, Z. (eds) IoT as a Service. IoTaaS 2018. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 271. Springer, Cham. https://doi.org/10.1007/978-3-030-14657-3_46

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  • DOI: https://doi.org/10.1007/978-3-030-14657-3_46

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-14656-6

  • Online ISBN: 978-3-030-14657-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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