Architecture and Approach for Obtaining Spectrum Availability Information
作者： Marja Matinmikko , Tapio Rauma , Miia Mustonen , Javier Del Ser
DOI: 10.1109/VETECS.2011.5956216
关键词:
摘要: This paper presents a novel architecture and approach for obtaining spectrum availability information in future cognitive radio systems (CRS). CRS can opportunistically access by identifying unoccupied channels while keeping higher priority on the same channel free from harmful interference. Knowledge of current state use is utmost importance operations. There are different techniques including e.g. pilot channels, databases, sensing techniques, combinations thereof. For there algorithms cooperative combining with characteristics capabilities terms performance, complexity, requirement priori information. unified selecting methods taking into account operational environment underlying policies. In addition, low complexity heuristic decision making method presented technique requirements being adaptable to changing environment.
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