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A Survey of Radio Resource Management in Cognitive Radio Networks
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Author(s): Chengshi Zhao (China Mobile Group Shanxi Co., China), Wenping Li (China Mobile Group Shanxi Co., China), Jing Li (China Mobile Group Shanxi Co., China), Zheng Zhou (Beijing University of Posts and Telecommunications, China)and Kyungsup Kwak (Inha University, Korea)
Copyright: 2013
Pages: 26
Source title:
Self-Organization and Green Applications in Cognitive Radio Networks
Source Author(s)/Editor(s): Anwer Al-Dulaimi (Brunel University, UK), John Cosmas (Brunel University, UK)and Abbas Mohammed (Blekinge Institute of Technology, Sweden)
DOI: 10.4018/978-1-4666-2812-0.ch013
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Abstract
The framework of “green communications” has been proposed as a promising approach to address the issue of improving resource-efficiency and the energy-efficiency during the utilization of the radio spectrum. Cognitive Radio (CR), which performs radio resource sensing and adaptation, is an emerging technology that is up to the requests of green communications. However, CR networks impose serious challenges due to the fluctuating nature of the available radio resources corresponding to the diverse quality-of-service requirements of various applications. This chapter provides an overview of radio resource management in CR networks from several aspects, namely dynamic spectrum access, adaptive power control, time slot, and code scheduling. More specifically, the discussion focuses on the deployment of CR networks that do not require modification to existing networks. A brief overview of the radio resources in CR networks is provided. Then, three challenges to radio resource management are discussed.
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