Increasing spectrum capacity for ad hoc networks using cognitive radios: an analytical model

  title={Increasing spectrum capacity for ad hoc networks using cognitive radios: an analytical model},
  author={Hassan Al-Mahdi and Mohamed Abd rabou Kalil and Florian Liers and Andreas Mitschele-Thiel},
  journal={IEEE Communications Letters},
In this letter, an analytical model to evaluate the performance of ad hoc devices equipped with cognitive radio capabilities, is investigated. By applying cognitive radio technology, the ad hoc devices will utilize the unused spectrum of the existing legacy systems in an opportunistic manner in addition to using the unlicensed spectrum. Therefore, the network throughput will be increased. The results show that the performance is improved in terms of blocking and dropping probabilities. 
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