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- W2225101835 abstract "The need in cognitive radio system for a simple, fast, and independent technique to sense the spectrum occupancy has led to the energy detection approach. Energy detector is known by its dependency on noise variation in the system which is one of its major drawbacks. In this paper, we are aiming to improve its performance by utilizing a weighted collaborative spectrum sensing, it is similar to the collaborative spectrum sensing methods introduced previously in the literature. These weighting methods give more improvement for collaborative spectrum sensing as compared to no weighting case. There is two method proposed in this paper: the first one depends on the channel status between each sensor and the primary user while the second depends on the value of the energy measured in each sensor. Keywords—Cognitive radio; Spectrum sensing; Collaborative sensors; Weighted Decisions." @default.
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- W2225101835 date "2011-08-26" @default.
- W2225101835 modified "2023-09-26" @default.
- W2225101835 title "A Cooperative Weighted Discriminator Energy Detector Technique in Fading Environment" @default.
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