Ns3

== I Introduction ==

1 Motivations
 1.1 Related Work -Limitations of Hardware Testbeds

 1.2 Testing and Prototyping of 4G Cellular Systems

 1.3 Opportunities for Collaboration and Cooperation == 2 Goals 6 ==  2.1 Accurate Cellular Wireless Emulation in Software

 2.2 FlexibilityofSimulationScenarios 2.3 Support for High-Performance Computing Systems

 3 Needs Assessment 