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

Title	Design and Evaluation of Two Symmetrical Evolutionist-Based Ciphering Algorithms
Author	F. Omary, A. Tragha, A. Bellaachia, A. Mouloudi
Citation	Vol. 7  No. 2  pp. 181-190
Keywords	Cryptography, symmetric ciphering, key, combinatorial optimization, evolutionist algorithm.

Title	Performance of DS UWB with MUD Schemes
Author	Nguyen Van Yen
Citation	Vol. 7  No. 2  pp. 176-180
Keywords