Real-Time Spectrum Sniffer for Cognitive Radio Based on Rotman Lens Spectrum Decomposer

@article{Wang2018RealTimeSS,
  title={Real-Time Spectrum Sniffer for Cognitive Radio Based on Rotman Lens Spectrum Decomposer},
  author={Xiaoyi Wang and Alireza Akbarzadeh and Lianfeng Zou and Christophe Caloz},
  journal={IEEE Access},
  year={2018},
  volume={6},
  pages={52366-52373}
}
We introduce the concept of an energy-detection Rotman-lens spectrum decomposer (RLSD) real-time spectrum-sniffer (RTSS) for cognitive radio. Compared to a previously existing RTSS, the RLSD-RTSS offers the advantages of being 1) Based an a simpler and lower-cost purely passive structure, 2) Easier to design and easily amenable to tunability, 3) Of much broader bandwidth, and 4) Of accommodating more channels. The electrical size of the device is electrically larger, but perfectly acceptable in… CONTINUE READING
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