a hybrid combination scheme for cooperative spectrum sensing in cognitive radio networks

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ID: 238913
2014
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Abstract
We propose a novel hybrid combination scheme in cooperative spectrum sensing (CSS), which utilizes the diversity of reporting channels to achieve better throughput performance. Secondary users (SUs) with good reporting channel quality transmit quantized local observation statistics to fusion center (FC), while others report their local decisions. FC makes the final decision by carrying out hybrid combination. We derive the closed-form expressions of throughput and detection performance as a function of the number of SUs which report local observation statistics. The simulation and numerical results show that the hybrid combination scheme can achieve better throughput performance than hard combination scheme and soft combination scheme.
Reference Key
yao2014mathematicala Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Changhua Yao;Qihui Wu
Journal journal of power sources
Year 2014
DOI
10.1155/2014/106106
URL
http://dx.doi.org/10.1155/2014/106106
Keywords
civil engineering (general)mathematics engineering (general)

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