- Tuesday, November 27, 2012
- Published at:Journal of Electrical Engineering
- “Voice Conversion Using Pitch Shifting Algorithmby Time Stretching with PSOLA and Re-Sampling”
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- Tuesday, November 27, 2012
- Published at:IET Signal Processing
- “Channel Estimation in OFDM System over Rician Fading Channel Based on Comb-Type Pilots Arrangement”
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- Tuesday, November 27, 2012
- Published at:Journal of Appl. Sci. (JAS), 5(5), pp. 383-386, 2005
- “Security and Performance of ElGamal Encryption Parameters”
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- Wednesday, February 25, 2009
- Published at:Not Found
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Kalman-filter method have been used for the estimation of time-frequency-selective fading
channels in OFDM systems, the estimation is based on Comb- type pilot frequencies
arrangement, the channel coefficients that belong to the pilot subcarriers are estimated.
Then these estimates are interpolated using different types of interpolations like; Low pass
interpolation, Spline cubic interpolation or Linear interpolation. The performances of all
schemes have been compared by finding Bit Error Rate where BPSK modulation scheme
was used.
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- Sunday, January 1, 2006
- Published at:Not Found
- Analysis of the effect of different parameters of the RC4 encryption algorithm where examined. Some experimental work was performed to illustrate the performance of this algorithm based on changing some of these parameters. The execution time as a function of the encryption key length and the file size was examined; this has been stated as complexity and security. Various data types were analyzed and the role of the data type was also emphasized. The results have been analyzed and interpreted as mathematical equations showing the relationship between the examined data and hence can be used to predict any future performance of the algorithm under different conditions. The order of the polynomial to approximate the execution time was justified.
IJCSA 3(2): 44-56 (2006)
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