Comparison of 802 . 11 af and 802 . 22 standards – physical layer and cognitive functionality

  title={Comparison of 802 . 11 af and 802 . 22 standards – physical layer and cognitive functionality},
  author={Demian Lekomtcev and Roman Marsalek},
This article discusses two standards operating on principles of cognitive radio in television white space (TV WS) frequencies 802.22and 802.11af. The comparative analysis of these systems will be presented and the similarities as well as the differences among these two perspective standards will be discussed from the point of view of physical (PHY), medium access control (MAC) and cognitive layers. 
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