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The Scientific World Journal
Volume 2013 (2013), Article ID 143970, 6 pages
Research Article

Derivation of Probability Density Function of Signal-to-Interference-Plus-Noise Ratio for the MS-to-MS Interference Analysis

1Radio Technology Research Department, Electronics and Telecommunications Research Institute, 138 Gajeongno, Yuseong-gu, Daejeon 305-700, Republic of Korea
2School of the Electronics Engineering, Kyungpook National University, Sankyuk-dong, Puk-gu, Daegu 702-701, Republic of Korea

Received 5 August 2013; Accepted 7 October 2013

Academic Editors: A. Kaloxylos, E. Stevens-Navarro, and G. Wang

Copyright © 2013 Ho-Kyung Son and Che-Young Kim. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper provides an analytical derivation of the probability density function of signal-to-interference-plus-noise ratio in the scenario where mobile stations interfere with each other. This analysis considers cochannel interference and adjacent channel interference. This could also remove the need for Monte Carlo simulations when evaluating the interference effect between mobile stations. Numerical verification shows that the analytical result agrees well with a Monte Carlo simulation. Also, we applied analytical methods for evaluating the interference effect between mobile stations using adjacent frequency bands. The analytical derivation of the probability density function can be used to provide the technical criteria for sharing a frequency band.