ArticleSensors (Basel, Switzerland)2023
Modified Gini Index Detector for Cooperative Spectrum Sensing over Line-of-Sight Channels.
Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Partial Covariance-Based Detectors for Cooperative Spectrum Sensing in Cognitive Communications.Sensors (Basel, Switzerland) · 2026Article
- Performance Analysis of Centralized Cooperative Schemes for Compressed Sensing.Sensors (Basel, Switzerland) · 2024Article
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Authors and funding
1 author.
Funding
Abstract
Recently, the Gini index detector (GID) has been proposed as an alternative for data-fusion cooperative spectrum sensing, being mostly suitable for channels with line-of-sight or dominant multi-path components. The GID is quite robust against time-varying noise and signal powers, has the constant false-alarm rate property, can outperform many the state-of-the-art robust detectors, and is one of the simplest detectors developed so far. The modified GID (mGID) is devised in this article. It inherits the attractive attributes of the GID, yet with a computational cost far below the GID. Specifically, the time complexity of the mGID obeys approximately the same run-time growth rate of the GID, but has a constant factor approximately 23.4 times smaller. Equivalently, the mGID takes approximately 4% of the computation time spent to calculate the GID test statistic, which brings a huge reduction in the latency of the spectrum sensing process. Moreover, this latency reduction comes with no performance loss with respect to the GID.
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