Abstract
A shift of most emerging electronic devices to wireless access has created extensive demand for radio spectrum. Regulatory committees in different parts of the world, after rigorous studies on wireless spectrum, have found that most licensed spectrum is underutilized in time, frequency and space. This has caused regulatory bodies to permit access of unused spectrum on a license-free basis so long as no interference is caused to primary users of the spectrum. Cognitive Radio technology has emerged as a key technology in solving the spectrum scarcity problem. Recent studies have shown that the majority of the TV band is vacant in remote, rural areas and the characteristics of this band are ideal for providing broadband in these areas to bridge the digital divide. Regulatory committees and the IEEE society have started establishing standards for providing wireless broadband connectivity in rural and remote areas in licensed TV spectrum using cognitive radios. The IEEE 802.22 Wireless Regional Area Network (WRAN) standard for rural broadband connectivity has been published and provides details of the Physical and MAC layer specification and deployment process. This article discuss the overall IEEE 802.22 specification and the capabilities it offers.
Keywords
- Medium Access Control
- Cognitive Radio
- Orthogonal Frequency Division Multiple Access
- Medium Access Control Layer
- OFDM Symbol
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Hiremath, S., Mishra, A.K., Patra, S.K. (2015). Engineering Review of the IEEE 802.22 Standard on Cognitive Radio. In: Mishra, A., Johnson, D. (eds) White Space Communication. Signals and Communication Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-08747-4_1
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