Coverage Optimization for DVB-T2 SFN Networks
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 2
Abstract
Single Frequency Network (SFN) television broadcasting systems have been widely deployed in broadcast network, such as more recently in DVB-T2 which is based on coded orthogonal frequency-division multiplexing (COFDM) modulation. One of the benefits of DVB-T2 versus DVB-T is the larger SFNs which make possible to use more effectively the frequencies. The need to release Digital Dividend 1 and Digital Dividend 2 has reduced evidently the capacities of Albanian Plan of Digital Frequencies approved by GE-06 Agreement. As such the coverage optimization of existing digital networks is a very important issue currently in Albania. Taking into account that two of the main issues regarding SFNs is the requirement for synchronization among transmitters and the multipath interference (MPI) at the receiver antenna, the optimization should take into consideration both these properties. This paper give some result of implementing coverage optimization, performed using the heuristic genetic algorithm (GA) approach for DVB-T2 SFNs in two allotments of Albanian territory.
Authors and Affiliations
Loreta Andoni
Keywords
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