Title	Adaptive OFDM and Frequency Domain Equalization Vs Single Carrier Modulation
Author	Inderjeet Kaur, Y.K. Mathur
Citation	Vol. 13  No. 7  pp. 63-66
Keywords	OFDM, PER, minimum mean square error, QAM, LOS, IFFT.

Title	Reversible Data Hiding in Highly Secured Encrypted Image
Author	T.Arumuga Maria Devi, Sabitha.S
Citation	Vol. 13  No. 7  pp. 59-62
Keywords	AES encryption ? Data Embedding ? Image Recovery.

Title	Enhanced K-mean Algorithm to Improve Decision Support System under Uncertain Situations
Author	Ahmed Bahgat El Seddawy , Turky Sultan, Ayman Khedr
Citation	Vol. 13  No. 7  pp. 50-58
Keywords	dss, dm, mis, clustering, classification, association rule, k-mean, olap, matlab

Title	Authentication System for Websites with Paid Content: An Overview of Security and Usability Issues
Author	Adam Hurkała, Jarosław Hurkała
Citation	Vol. 13  No. 7  pp. 42-49
Keywords	security, authentication, usability, websites, paid content