Spectrum Sensing Based on CP-OFDM System with Incited Cyclostationary Detector in Cognitive Radios
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Electronics & Communication Engineering | India | Volume 4 Issue 6, June 2015

Spectrum Sensing Based on CP-OFDM System with Incited Cyclostationary Detector in Cognitive Radios

Puthalapattu Ramachandran Ramya, P.Venkat Ramana

Cognitive radio offers an answer for spectrum shortage by cleverly identifying unutilized authorized spectrum. This requires dependable detection of occupant primary users at sufficiently low SNR. Anyway, detecting OFDM signs is especially difficult as any characteristic cyclostationarity is obliterated because of orthogonality of sub-carriers. Incited cyclostationarity can be utilized to present a controlled connection in the message signal and produce cyclostationary features that can help spectrum detecting. This paper infers an optimal most extreme probability test measurement from rst standards for detection of a cyclic prexed OFDM (CP-OFDM) signal with incited cyclostationarity. It embraces a vector matrix model for the CP-OFDM signal in the AWGN situation and exactly assesses the probability of detection through a Neyman-Pearson test. Simulation results demonstrate that a maximum detection of probability can be accomplished by utilizing the proposed optimal detection for incited cyclostationarity when contrasted with energy detection and straight forward cyclic prefix detection. Additionally, the execution scales with number of subcarriers are affected correlation.

Keywords: Spectrum Sensing, CP-OFDM, Maximum likelihood test static, incited cyclostationarity detection, AWGN channel

Edition: Volume 4 Issue 6, June 2015

Pages: 1378 - 1384

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How to Cite this Article?

Puthalapattu Ramachandran Ramya, P.Venkat Ramana, "Spectrum Sensing Based on CP-OFDM System with Incited Cyclostationary Detector in Cognitive Radios", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB155033, Volume 4 Issue 6, June 2015, 1378 - 1384

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