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Joint sensing time and power allocation in cooperatively cognitive networks

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2 Author(s)
Chengshi Zhao ; Grad. Sch. of IT & Telecommun., Inha Univ., Incheon, South Korea ; Kyungsup Kwak

The jointly optimal allocation of sensing time and power for a two-user amplify-and-forward overlay cognitive network is developed by maximizing the averaged aggregate throughput of the secondary network. In particular, observing that the sensing duration lies within a strict interval, the jointly optimal strategy of sensing time and power allocation is proved to be tractable by sequential optimization.

Published in:

Communications Letters, IEEE  (Volume:14 ,  Issue: 2 )