Review Papers | Electronics & Communication Engineering | India | Volume 4 Issue 5, May 2015
A Review on Spectrum Mobility for Cognitive Radio Networks
Anuj Thakur | Ratish Kumar 
Abstract: Cognitive radio is one of the technologies which has the potential to improve the spectrum utilization and network performance. Spectrum Mobility is an indispensable component in cognitive radio network that not only guarantees desired QoS of primary users but also grants resilient service for secondary users. Spectrum Mobility occurs when the primary user appears in the licensed band occupied by secondary user and it is used to avoid interference between primary and secondary users. This paper provides a systematic current overview of spectrum mobility process, various performance metrics and challenges regarding spectrum mobility are pointed out and finally a number of promising concepts and schemes are briefly presented.
Keywords: Cognitive radio, spectrum holes, spectrum handoff, handoff delay
Edition: Volume 4 Issue 5, May 2015,
Pages: 2536 - 2541
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