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Cited by 100 publications
(60 citation statements)
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“…1 The selling/buying period should not be too long (e.g., months or years) to make dynamic spectrum access infeasible, and it should not be too short (e.g., seconds or minutes) to incur overwhelming overhead in spectrum trading. The typical duration is hours or days as shown in [12]. In the rest of paper, we assume that all the spectrum transactions are of fixed duration, so that the time parameter is not included in our formulation.…”
Section: B Reward and Risk For Osamentioning
confidence: 99%
“…1 The selling/buying period should not be too long (e.g., months or years) to make dynamic spectrum access infeasible, and it should not be too short (e.g., seconds or minutes) to incur overwhelming overhead in spectrum trading. The typical duration is hours or days as shown in [12]. In the rest of paper, we assume that all the spectrum transactions are of fixed duration, so that the time parameter is not included in our formulation.…”
Section: B Reward and Risk For Osamentioning
confidence: 99%
“…This function has to be crosslayer defined, since it depends on functionalities defined at different layers of the communication stack: the frequency channel decision making procedure should be carried out by considering multiple criteria such as interference at the primary user receivers, pathloss in the available frequency channels, wireless link errors, primary user activity, spectrum availability, routing and transport requirements, application requirements, etc. [27]. The spectrum handoff functionality is in charge of vacating a primary channel due to, e.g., the sudden activation of a primary user in that channel, or degradation of secondary user QoS.…”
Section: Cognitive Networkmentioning
confidence: 99%
“…This algorithm uses Particle Swarm Optimization, Fuzzy logic controller, Genetic Algorithm and decision making algorithm for the selection of RAT. The fuzzy neural mechanism is used in [12] and [13] for the selection of best RAT among UMTS, GERAN and WLAN. Thus many RAT selection algorithms are available for the selection of RAT.…”
Section: Introductionmentioning
confidence: 99%