Thus, one important function of a cognitive radio is dynamically to avoid transmitting in occupied spectrum by detecting signals received from unknown competing systems.
Crowd-sourcing apps, real-time road-sensors, and streaming analytics would have enabled them to dynamically reroute and avoid the worst of the traffic; and GPS with real-time location tracking could have notified the NFL of their predicament (or, of course, they could have called from a cell phone).
Moreover, in addition to achieving a required level of OOB interference within a given spectrum mask, an SU transmitter performing OSA must be capable of tailoring its spectral characteristics dynamically in order to avoid interference with the dynamically changing incumbent licensed PU transmissions.
Furthermore, the dynamically distribution can effectively avoid the ICI by scheduling subcarriers with interference coordination between sectors and also improve the edge-cell performance.
Therefore, the CR behaving as a secondary user needs to dynamically reconfigure itself to avoid any noticeable interference to the primary user by efficiently using its (1) cognitive capability, (2) reconfigurable capability, and (3) learning capability.
Additionally, the adjustment algorithm dynamically adjusts tree structure to avoid breaking tree link.
The formation is allowed to dynamically change in order to avoid obstacles in the environment, while minimizing a cost function aimed at obtaining collision- and deadlock-free paths.
Moreover, in presence of multiple overlapping signals with different strengths, an optimal transmission power is estimated dynamically to maintain fairness and avoid hidden node issues at the same time.
For continuous channel interferences, frequency hopping is not reliable because it cannot avoid interferences smartly and dynamically.
Note that we did not use seismic stations in Oita prefecture to avoid possible contamination by a dynamically triggered event discussed in "Dynamic triggering in Yufuin Beppu area" section.
