Cognitive radio
2016-08-23
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The application of background cognitive radio presents a unique challenge in the ability of radio source localization to adapt to the environment, thus rendering current localization techniques ineffective due to the shift combination of spatial, frequency and temporal parameters. For any localization program to be effective, it must be able to adapt over time to cognitive radio's surroundings. The key technologies of power estimation and n-bit impact spectrum sensing, spectrum scanning, the number of each frame, the number of superframes, and the number and location of sensor nodes are checked to determine the impact of secondary user location estimation. Frequency and spatial mobility of secondary users are also considered for all possible changes in secondary user activities.
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