Title	Cryptography Protection of Digital Signals using Some Recurrence Relations
Author	K.R. Sudha, A.Chandra Sekhar, Prasad Reddy PVGD
Citation	Vol. 7  No. 5  pp. 203-207
Keywords	Recurrence relations, Cryptography, Fibonacci numbers, Bernoulli’s numbers, Lucas numbers

Title	Recurrent Neural Network Based BER Prediction for OFDMA Channel
Author	Gowrishankar, P.S.Satyanarayana
Citation	Vol. 7  No. 12  pp. 95-101
Keywords	Prediction, BER, OFDMA, CSI, ESN, RRBFN and Wireless MAN

Title	Analysis of Nonlinear Distortion Using Orthogonal Polynomials HPA Model
Author	Hassan Zareian, Vahid Tabataba Vakili
Citation	Vol. 8  No. 1  pp. 164-169
Keywords	OFDM, nonlinear distortion, orthogonal polynomials, BER performance, theoretical analysis

Title	Simulation Study on Performance Improvement by Gain Optimization in CWDM Metropolitan Ring Network
Author	Mohammad Syuhaimi Ab-Rahman, Hamimi Fadziati A. Wahab, Boon Chuan Ng
Citation	Vol. 8  No. 11  pp. 140-147
Keywords	EDFA, gain, load line, BER, ring network, performance improvement, maximum node