Title	Characteristics of Multi Pumped Raman Amplifiers in Dense Wavelength Division Multiplexing (DWDM) Optical Access Networks
Author	Abd El?Naser A. Mohammed, Abd El?Fattah A. Saad, Ahmed Nabih Zaki Rashed, Mahmoud M. A. Eid
Citation	Vol. 9  No. 2  pp. 277-284
Keywords	Raman gain, stimulated Raman scattering(SRS), multiplexing, demultiplexing, access networks

Title	Designing a Subliminal Channel for Deceiving Enhancement
Author	Abdulameer K.Hussain
Citation	Vol. 9  No. 2  pp. 285-292
Keywords	Cryptography, Authentication, Subliminal Channel , Digital Signature, Security

Title	The Algorithm of the Calculation of Homology Group on Oriented Connected Simplicial Complexes
Author	Habiba Elzohny, Taghrid Emam, Fatimah Al-Ghamdi
Citation	Vol. 9  No. 2  pp. 293-296
Keywords	Homology, algorithm

Title	Extending The Network Lifetime Using Optimized Energy Efficient Cross Layer Module (OEEXLM) In Wireless Sensor Networks
Author	T.V.Padmavathy
Citation	Vol. 9  No. 2  pp. 297-304
Keywords	Routing, Medium access control, life time of the network, energy efficiency, OEEXLM module, Wireless Sensor Networks