VHF Spectrum Monitoring Using Meraka Cognitive Radio Platform
The radio frequency (RF) spectrum is a natural resource used by wireless network operators to provide radio communications and transmission systems. The scarcity of RF spectrum has led to the development of dynamic spectrum access techniques to achieve more efficient spectrum utilisation. A number of related questions arise, including: How much of the RF spectrum is currently available? How much of it can be used opportunistically and dynamically without interfering with licensed or primary users (PUs)? In this paper, we present work being conducted in South Africa on the application of software defined radio (SDR) to dynamic RF spectrum usage. Specifically, we discuss the Meraka Cognitive Radio Platform (MCRP) which is based on Universal Serial Radio Peripheral version 2 (USRP2) hardware and GNU radio software. We also discuss the implementation and operation of the spectrum monitoring sub-system in MCRP. Lastly, the results of the measurements which were conducted using the MCRP are presented.
Keywordscognitive radio GNU radio spectrum management universal software radio peripheral graphical user interface
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- 1.Rashid, R.A., Sarijari, M.A., Fisal, N., Yusof, S., Mahalin, N.H.: Spectrum Sensing Measurement using GNU Radio and USRP Software Radio Platform. In: Proc. of The Seventh International Conference on Wireless and Mobile Communications 2011, pp. 237–242 (2011)Google Scholar
- 2.Mitola III, J., Maguire Jr., G.Q.: Cognitive radio: making software radios more personal. IEEE Personal Communications 6(4) (1999)Google Scholar
- 3.Federal Communications Commission (FCC): Facilitating opportunities for flexible, efficient and reliable spectrum use employing cognitive radio technologies: Notice of proposed rulemaking and order. ET Docket 03–108 & 03-322 (2003) Google Scholar
- 4.Wireless Innovation Forum (was SDR Forum), What is software defined radio, http://www.wirelessinnovation.org/page/whatisSDR
- 6.Manicka, N.: GNU radio test bed. M.S. thesis. Dept. Computer Science and Electrical, University of Delaware (Spring 2007)Google Scholar
- 7.Ettus Research website, USRP, http://www.ettus.com/ (accessed: April 01, 2012)
- 8.GNU Radio website, http://gnuradio.org/redmine/ (accessed: April 01, 2012)
- 9.Newman, T.R., Bose, T.: A cognitive radio network testbed for wireless communication and signal processing education. In: Proc. DSP Workshop and Signal Processing Education Workshop, Marco Island, FL, USA, pp. 757–761 (January 2009)Google Scholar
- 10.Masonta, M.T., Johnson, D., Mzyece, M.: The White Space Opportunity in Southern Africa: Measurements with Meraka Cognitive Radio Platform. In: Popescu-Zeletin, R., Jonas, K., Rai, I.A., Glitho, R., Villafiorita, A. (eds.) AFRICOMM 2011, Part I. LNCST, vol. 92, pp. 64–73. Springer, Heidelberg (2012)CrossRefGoogle Scholar