Earticle

초록

영어

Spectrum sensing is one of the vital functions, plays an important role in cognitive radio networks (CRN). This paper discuss to enrich the sensing performance of propose estimated signal to noise ratio (SNR) based detector. Estimated SNR detector consists two detectors, energy detector (ED) & ED with ADT detector, out of these two detectors only one will perform sensing operation at a time. Which detector will be work, selection will be done on condition between estimated SNR value (Se) and threshold (γ). Results show that proposed ESNR_ADT scheme outperforms the cyclostationary based sensing method by 30.5 % at – 10 dB SNR. It is also shown that the proposed scheme takes smaller detection time period as compare to cyclostationary detection in the order of 5.2 ms at - 20 dB SNR. Furthermore, the scheme was associated with cooperative spectrum sensing (CSS) where each CRs work together in order to take final decision. Finally, it was analyzed that proposed ESNR_ADT sensing scheme with CSS improves detection performance in the order of 0.9 at low SNR value of – 18.5 dB approximately.

목차

Abstract
 I. Introduction
 II. System Description
  A. Estimated Signal To Noise Ratio
 III. Proposed System Model
  A. Proposed Esnr_Adt Spectrum Sensing Scheme
  A.1. Energy Detector With Single Threshold (Ed)
  A.2. Energy Detector With Adaptive Threshold (Ed With Adt)
  A.Cooperative Spectrum Sensing With Proposed Esnr_Adt Detector
 IV. Numerical Results and Analysis
 V. Conclusion
 Acknowledgment
 References

키워드

저자

• Ashish Bagwari [ Department of Electronics and Communication Engineering Uttarakhand Technical University, Dehradun, India ]
• Geetam Singh Tomar [ Department of Electrical and Computer Engineering University of West Indies, St. Augustine, Trinidad, and MIR Labs, Gwalior, India ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Hybrid Information Technology

• 간기

  격월간

• pISSN

  1738-9968

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605