Saastra University Leverages NetSim for Research on Securing Femtocells

Femtocells have been proposed as solution for high-speed mobile network (i.e. LTE) bandwidth requirements. In this paper, researchers try to identify and mitigate a possible attack in femtocells where locational information about a femtocell user is disclosed

Challenge

Developing the Multihop Algorithm for privacy: An algorithm is to be developed to provide privacy to the sender which would require no additional hardware.

Simulating and Analyzing the algorithm: This algorithm should then be implemented into the device code, simulated and analyzed for performance.

Use Case

Developing custom code: Source C files, Cellular.c, GSM.c, Handover.c and GSM_Channel.c of NetSim’s GSM library were modified . These codes were linked and debugged using NetSim’s project work environment.

Modeling network configurations: Custom network configurations were created using NetSim’s XML based network configuration files. Alcatel Lucent home cell v2 was modeled with a radius of 25 meters and with 15 users.

Generating performance metrics: Packet and event traces were used for calculating the sought network performance metrics namely, Average Number of Reflections, and Average Time Spent in Femto Cell.

Results

Statistically analyzing performance: Since the trade off of the algorithm was increased delay, this was studied and found to be approx 50 ms, which could be afforded by the network architecture
“We chose NetSim given its extensive R & D capabilities in MANETs, WSNs, Cognitive Radio Networks and Cellular networks. NetSim has an easy to use UI for creating scenarios and modeling protocol & device parameters. The protocol library source codes are written in C and easily understandable. NetSim’s product features and quick support from their technical team makes it easier to simulate complex networking protocols which results in publishing quality research articles”
Sriram
Dr.V.S.Shankar Sriram,
SAASTRA University, Thanjavur
The published research paper is available at http://tetcos.com/downloads/Femto_Cell.pdf 

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