Abstract
In this chapter, we investigate the spectrum sensing and access of a heterogeneous spectrum harvesting sensor network (HSHSN) which consists of EH-enabled spectrum sensors and battery-powered data sensors. The former detects the availability of licensed channels, while the latter transmits sensed data to the sink over the available channels. Two algorithms that operate in tandem are proposed to achieve the sustainability of spectrum sensors and conserve energy of data sensors, while the EH dynamics and PU protections are considered. Extensive simulation results are given to validate the effectiveness of the proposed algorithms.
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Notes
- 1.
The Frobenius norm is defined as the square root of the sum of the absolute squares of the elements of the matrix. For example, if
$$\begin{aligned} \varvec{A} = \begin{bmatrix} a_{11}&a_{12} \\ a_{21}&a_{22} \end{bmatrix}, \end{aligned}$$then
$$\begin{aligned} || \varvec{A} ||_{Fr} = \sqrt{|a_{11}|^2 + |a_{12}|^2 + |a_{21}|^2 + |a_{22}|^2}. \end{aligned}$$ - 2.
In [12], the real experimental data obtained from the baseline measurement system (BMS) of the Solar Radiation Research Laboratory (SRRL) shows that the EH rate ranges from 0 to 100 mW for most of the day.
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Zhang, D., Chen, Z., Zhou, H., Shen, X. (2017). Spectrum Sensing and Access in Heterogeneous SHSNs. In: Resource Management for Energy and Spectrum Harvesting Sensor Networks. SpringerBriefs in Electrical and Computer Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-53771-9_3
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DOI: https://doi.org/10.1007/978-3-319-53771-9_3
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