перемикання каналів

Different spectrum decision methods in a Cognitive radio network were analyzed in this paper. The technology of Cognitive Radio networks needs to make a decision which spectrum band is the best among the available free bands. Spectrum decision is closely related to all operational parameters, channel characteristics and any activity of primary users. Also, spectrum decision depends on all cognitive users inside network activities.

As companies implement multichannel strategies and attempt to manage consumers' multichannel behavior, the migration of customers from traditional to new and alternative channels seems ubiquitous. The literature distinguishes two main types of customer migration strategies – forced and voluntary customer E-channel migration strategies. The purpose of this analysis will be an indication of the potential consequences of a customer migration strategy to the online channel – such a solution is increasingly applied by service providers.