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The aggregate interference caused on a primary receiver by Cognitive Radio (CR) nodes distrbuted uniformly in an annular region around it is investigated, assuming Rayleigh fading and path loss. By approximating the aggregate interference with that caused by the nearest CR interferer, the exact analytical moment generating function for the nearest interferer is derived for cases of no power control...
We consider two different users sharing the same spectrum resource, interfering with each other, under outage performance requirements for both the users. We derive a practical condition to enable the spectrum-sharing under simultaneous outage performance. Furthermore, when the condition is fulfilled, we provide equations to define the two-dimensional region of allocated powers (P1, P2), for the two...
Total power of the ongoing traffic is a key element in most RRM functions, i.e. power control, call admission control (CAC), handoff control, load control, etc. An efficient RRM procedure should be able to manage all these functions efficiently which cannot be achieved without accurately characterizing the total traffic power. Nevertheless, all the proposed solutions to describe the system capacity...
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