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Title: An overview of spectrum sharing techniques in cognitive radio communication system
Authors: Pandit, Shweta
Singh, G.
Keywords: Cognitive radio
Dynamic spectrum access
Opportunistic spectrum access
Wireless communication
Spectrum sharing
Issue Date: 2015
Publisher: Jaypee University of Information Technology, Solan, H.P.
Abstract: As the complexities of wireless technologies increase, novel multidisciplinary approaches for the spectrum sharing/management are required with inputs from the technology, economics and regulations. Recently, the cognitive radio technology comes into action to handle the spectrum scarcity problem. To identify the available spectrum resource, decision on the optimal sensing and transmission time with proper coordination among the users for spectrum access are the important characteristics of spectrum sharing methods. In this paper, we have technically overviewed the state-of-the-art of the various spectrum sharing techniques and discussed their potential issues with emerging applications of the communication system, especially to enhance the spectral efficiency. The potential advantages, limiting factors, and characteristic features of the existing cognitive radio spectrum sharing domains are thoroughly discussed and an overview of the spectrum sharing is provided as it ensures the channel access without the interference/collision to the licensed users in the spectrum.
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