Title	Design and Simulation of a SP4T Switch Based on The PIN Diode Suitable For UMTS Use
Author	Tomader Mazri, Fatima Riouch, Najiba El Amrani El Idrissi
Citation	Vol. 11  No. 9  pp. 77-81
Keywords	SPNT Switch, SPDT Switch, SP4T Switch, PIN Diode, Adaptive Microstrip Antennas

Title	Mobility and QoS Management in Heterogeneous Wireless Networks
Author	Sarra Benoubira, Mounir Frikha, Sami Tabbane
Citation	Vol. 11  No. 9  pp. 82-90
Keywords	heterogeneous wireless networks, coupling, HMIPv6, QoS, MRSVP, handover

Title	Formal Dynamic Operational Model of RIS Components
Author	Nazir Ahmad Zafar
Citation	Vol. 11  No. 9  pp. 91-97
Keywords	Formal methods, Operational model, Railway interlocking, Z notation

Title	Technique to thwart the opening of a virus embedded file without the aid of an anti-virus software
Author	Sriram Kalyanaraman
Citation	Vol. 11  No. 9  pp. 98-100
Keywords	virusStopper , Virus signature