Title	Combining Coordinated and Uncoordinated Checkpoint in Pessimistic Sender-Based Message Logging
Author	Mehdi Aminian, Mohammad k. Akbari, Bahman Javadi
Citation	Vol. 6  No. 4  pp. 156-161
Keywords

Title	DiffServ QoS Provisioning for Real Time Traffic in Frequent Handoff MobileIPv6 Networks
Author	Prabhu Patil, Chittaranjan Hota
Citation	Vol. 6  No. 4  pp. 151-155
Keywords	: IntServ, DiffServ, MobileIPv6, handoff, MIPL

Title	The Simulation Study on the Effect of Outage Channels on Mobile Cellular Network
Author	Hussein M. Aziz Basi, M.B.Ramamurthy
Citation	Vol. 6  No. 4  pp. 146-150
Keywords	Outage channels, delay probability, priority calls, mean waiting time.

Title	A Mobile Collaboration Knowledge Framework based on Mobile Ontology
Author	Wang Weihong, Cao Yuihui, Qin Zheg
Citation	Vol. 6  No. 4  pp. 140-145
Keywords	Mobile Computing, Mobile Collaboration, Mobile Ontology, Knowledge Framework