| Budget Amount *help |
¥16,770,000 (Direct Cost: ¥12,900,000、Indirect Cost: ¥3,870,000)
Fiscal Year 2018: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2017: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2016: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2015: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
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| Outline of Final Research Achievements |
In this research project, we considered autonomous distributed mechanisms for cooperative sensing in cognitive radio networks with an extremely huge number of wireless nodes. We proposed two schemes: collaborative spectrum sensing mechanism based on system load and detection performance of wireless nodes, and a coalition formation method based on machine learning technique. In the former scheme, we developed the merge-split algorithm with incentive mechanism under game theory, while the latter was developed with Multi-Armed Bandit problem. We investigated the performance of proposed methods by simulation experiments, validating those effectiveness quantitatively.
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