A comparative study of spectrum awareness techniques for cognitive radio oriented wireless networks

@article{Umar2013ACS,
  title={A comparative study of spectrum awareness techniques for cognitive radio oriented wireless networks},
  author={Raza Umar and Asrar U. H. Sheikh},
  journal={Physical Communication},
  year={2013},
  volume={9},
  pages={148-170}
}
Spectrum scarcity is impeding practical implementations of emerging wireless multimedia applications requiring significantly more frequency spectrum. Cognitive radio (CR) has emerged as a promising solution to the current spectral congestion problem by imparting intelligence to the conventional software defined radio that allows spectrum sharing through opportunistic spectrum access. The principal objective of CR is to optimize the use of under-utilized spectrum through robust and efficient… CONTINUE READING
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