Title	New One-Time Proxy Signature Scheme based on DLP using the Warrant
Author	Young-Seol Kim, Jik Hyun Chang
Citation	Vol. 7  No. 2  pp. 215-220
Keywords	Digital signature, Proxy signature, One-Time Signature, Public key cryptography

Title	Mobile Location Estimation in NLoS Environment Base on Interior Point Method
Author	Masoud Ghoreishi Madiseh, Ali Shahzadi, Ali Asghar Beheshti Shirazi
Citation	Vol. 7  No. 2  pp. 205-214
Keywords	Location Estimation, None Line of Sight (NLoS), Time of Arrival (ToA), Interior Point Method (IPM)

Title	Performance Analysis of Dynamic Sub-Carrier Allocation Technique for Adaptive Modulation based MC-CDMA System
Author	G.K.D.Prasanna Venkatesan, V.C.Ravichandran
Citation	Vol. 7  No. 2  pp. 201-204
Keywords	MC-CDMA ISI, adaptive modulation, , sub-carrier.

Title	Multiple Audio Watermarking With Spectrum Pyramid
Author	Roumen Kountchev, Mariofanna Milanova, Vladimir Todorov, Roumiana Kountcheva
Citation	Vol. 7  No. 2  pp. 191-200
Keywords	Digital watermarking, Spectrum pyramid, Complex Hadamard Transform