Physical Layer Considerations for Cognitive Radio: Modulation Techniques

  title={Physical Layer Considerations for Cognitive Radio: Modulation Techniques},
  author={Zsolt Koll{\'a}r and P{\'e}ter Horv{\'a}th},
  journal={2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)},
Cognitive radio (CR) is one of the promising future possibilities for wireless broadcasting and communication. One of the key issues is the physical layer, where the modulation waveform best suitable for the CRs has to be chosen. In this paper we present the most promising modulation schemes with their advantages and disadvantages. Orthogonal frequency division multiplexing (OFDM) is the most favored modulation nowadays for high speed digital communications, but many other modulation techniques… CONTINUE READING
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