A wideband analog multi-resolution spectrum sensing (MRSS) technique for cognitive radio (CR) systems
- 22 September 2006
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- No. 02714302,p. 4
- https://doi.org/10.1109/iscas.2006.1693528
Abstract
Spectrum sensing technology is most vital to the implementation of a CR system using dynamic spectrum resource management. This paper suggested a CR system architecture with a wideband dual-stage spectrum sensing technique - a coarse and a fine spectrum sensing. Specifically, the coarse spectrum sensing technique adopted wavelet transforms in this architecture to provide a multi-resolution spectrum sensing (MRSS) feature. Analog implementation of the MRSS block offers wideband, low-power, and real-time operation. From the system simulation results, MRSS achieved 15-, 20-, and 30-dB detection margin for FM, VSB, and OFDM signals, having the corresponding signal power of -110, -120, and -120 dBm, respectivelyKeywords
This publication has 4 references indexed in Scilit:
- Implementation issues in spectrum sensing for cognitive radiosPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2005
- Cognitive radio: brain-empowered wireless communicationsIEEE Journal on Selected Areas in Communications, 2005
- Cognitive radio for flexible mobile multimedia communicationsPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2003
- Signal interception: a unifying theoretical framework for feature detectionIEEE Transactions on Communications, 1988