5th International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities

Research Article

A Testbed to Emulate Next-Generation Directional RF and Free-Space Optical Tactical Networks

  • @INPROCEEDINGS{10.1109/TRIDENTCOM.2009.4976239,
        author={William M. Turner and Daniel J. Tebben and Jason R. Madsen and Anurag Dwivedi},
        title={A Testbed to Emulate Next-Generation Directional RF and Free-Space Optical Tactical Networks},
        proceedings={5th International ICST Conference on Testbeds and  Research Infrastructures for the Development of Networks and Communities},
        publisher={IEEE},
        proceedings_a={TRIDENTCOM},
        year={2009},
        month={5},
        keywords={FSO  directional  mobile  network topology  tactical  test bed},
        doi={10.1109/TRIDENTCOM.2009.4976239}
    }
    
  • William M. Turner
    Daniel J. Tebben
    Jason R. Madsen
    Anurag Dwivedi
    Year: 2009
    A Testbed to Emulate Next-Generation Directional RF and Free-Space Optical Tactical Networks
    TRIDENTCOM
    IEEE
    DOI: 10.1109/TRIDENTCOM.2009.4976239
William M. Turner1,*, Daniel J. Tebben1, Jason R. Madsen1, Anurag Dwivedi1
  • 1: The Johns Hopkins University, Applied Physics Laboratory, 11100 Johns Hopkins Road, Laurel, MD 20723-6099
*Contact email: WILLIAM.TURNER@JHUAPL.EDU

Abstract

The Tactical Edge Network Emulation Tool (TENET) Hardware Integration System (THIS) is designed to characterize higher layer responses to the dynamic physical layer topology of a tactical network utilizing directional communication links. THIS emulates the mobile, tactical, network environment using the hardware in a static infrastructure. MATLAB-based tools implement the TENET emulation to simulate mobility induced link fragility, and the Distributed Adaptive Pre-computed Restoration (DAPR) algorithm to conduct dynamic network topology optimization. A fast, reconfigurable, full-mesh network of six nodes represents the resulting physical layer topology on a laboratory optical bench. A collection of LabVIEW programs, collectively named the Tactical Hardware Automation Tool (THAT), coordinates with TENET output and a Microelectromechanical systems (MEMS) based optical switch to dynamically conform the links between the six fixed nodes to the simulated network topology. Standard real-world programs are run at higher network layer protocols and respond to the dynamic physical layer accordingly. Thus, experiments utilizing this test bed can characterize network performance of the emulated mobile tactical network. This paper outlines the test bed in full, but will also briefly describe the network emulation methodology, as well as the initial results of some physical layer restoration performance to act as a baseline for future net-centric application testing.