Journal
IEEE WIRELESS COMMUNICATIONS LETTERS
Volume 8, Issue 2, Pages 544-547Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2018.2879339
Keywords
Cognitive radio; spectrum sensing; sample covariance matrix
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Funding
- Natural Science Foundation of China [61871246, 61571250]
- Zhejiang Natural Science Foundation [LY18F010008]
- Ningbo Leading and Top-Notch Talented Training Project [NBLJ201801001]
- Australian Research Council's DECRA [DE120101266]
- K. C. Wong Magna Fund in Ningbo University
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In this letter, we investigate the application of antieigenvalues to spectrum sensing for the first time and design an antieigenvalue-based detector. A theoretical expression for the decision threshold of the proposed detector is also derived. It is shown that the mean-to-square extreme eigenvalue detector is a special case of the proposed one. Numerical simulations validate the theoretical analysis, and demonstrate the superior performance of the proposed detector.
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