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Analyzing the availability of TV white spaces in dynamic broadcast

TV White Spaces (TVWS) are a promising frequency resource which will potentially enable various new wireless applications in the field of consumer electronics. Typically, the availability of TVWS is calculated assuming a static frequency allocation of traditional digital terrestrial TV (DTT) networks. In the present paper, additionally, a flexible frequency allocation of a Dynamic Broadcast system is analyzed. A realistic case study is depicted, comparing a traditional DTT network and Dynamic Broadcast with respect to the available amount of TVWS. The outcome indicates that the freed capacity by implementing Dynamic Broadcast can result in a significant increase of available frequency resources for white space devices, as long as an appropriate allocation strategy is chosen. The differences of individual network configurations are studied by means of computer simulations and conclusions are drawn with regard to the network optimization process of Dynamic Broadcast.