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Rapidly Deployable Radio Network - Phase II. Joseph Evans, Gary Minden, Glenn Prescott, K. Sam Shanmugan, Victor Frost, David Petr, James Roberts Dan DePardo, Artur Leung, Craig Sparks

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Rapidly deployable radio network phase ii l.jpg

Rapidly Deployable Radio Network - Phase II

Joseph Evans, Gary Minden, Glenn Prescott, K. Sam Shanmugan,

Victor Frost, David Petr, James Roberts

Dan DePardo, Artur Leung, Craig Sparks

Ricardo Sanchez, Syed Fazal, Tim Gallagher, Ken Filardo, Richard Killoy,Saravanan Radhakrishnan, Fadi Wahhab, Rupul Safaya, Shane Haas,

John Paden, Chris Bartels, Benjamin Schulte

Information & Telecommunication Technology Center

University of Kansas

Global Mobile Information Systems (GloMo) Program

Principal Investigators Meeting - July 28-30, 1998

Arlington, Virginia

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  • To create and implement technologies for flexible, high performance, rapidly self-configuring radio networks, and to demonstrate these innovative technologies

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Specific Objectives

  • Develop rapidly, self-organizing IP/ATM wireless networks

  • Develop modular and configurable radios with 5-10 km range

  • Deploy scalable prototypes for experiments and evaluation

  • Extend location-based network control algorithms

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Impact on DoD

  • Create new networking and communication technologies to support rapid deployment of US military forces or aid in civilian disaster relief operations

  • Provide high speed wireless communication to the smaller units of the military on the move (battalion TOC and below)

  • Bring interoperable technology into the military communication network at all levels

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  • Rapid deployment of large, multi-hop wireless and mobile networks, and integration with other DoD infrastructure

  • How to exploit knowledge of location and radio capabilities for rapid initial configuration, mobility support, routing, and reconfiguration

  • Assuring quality of service in a mobile, wireless environment with rapidly changing channel conditions and topology

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RDRN Mobile Access Point Deployment

Nodes determine location

based on GPS

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RDRN Mobile Access Point Deployment

Automatically build a topology based on location and radio environment

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RDRN Mobile Access Point Deployment

Establish high bandwidth wireless ATM bidirectional links

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RDRN Mobile Access Point Deployment

Build user access around

each Mobile Access Point

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RDRN Mobile Access Point Deployment

Capability to interoperate with

satcom services

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RDRN Mobile Access Point Deployment

ATM switch services

Capability to interoperate with “wired” services

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Technical Approach

  • Use of GPS or other sensor for location information

  • Exchange of location information between nodes with Orderwire system

  • Automatic topology configuration using digital antenna beamforming

  • Adapts to switch and user nodes moving

  • Interoperable with commercial satellite, Internet, and Asynchronous Transfer Mode networks

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Technical Approach

  • Design and implement

    • digital beamforming wireless systems

    • algorithms for rapid network configuration

    • algorithms for QoS sensitive traffic

    • multiple adaptation algorithms

  • Deploy systems

    • modular research prototypes

    • measure and tune behavior

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  • Implemented 5.3 GHz, 5.8 GHz radios with real-time Radio Controller and integrated with Network Control Host

  • RDRN testbed integrated with Rapid Deployment Force Demonstration Network

  • Orderwire system redesigned and re-implemented

  • Released software based ATM switch with signaling to Bellcore for evaluation in WIT

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  • 5.3 GHz, 5.8 GHz radios & cylindrical antenna arrays

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  • Prototype systems tested in field at various distances

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  • Prototype systems tested in field at various distances

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  • Preliminary radio designs tested

    • full duplex omnidirectional systems at 5.3 GHz, 5.8 GHz

    • equivalent to a slice of the beamforming system

    • better than 10-9 BER at 7 km LOS

  • Cylindrical antenna arrays implemented

  • Orderwire and network control system revisions for higher performance complete

  • Beamforming radio implementation proceeding

  • Adaptive QoS-based MAC and network control research and implementation proceeding

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Channel & link

adaptation algorithms

Advanced antennas



and testing

IP/ATM performance evaluation

Efficient MAC protocols

Scaleable computing resources

Design modular TX & RX

Design digital beamforming

receiver architecture






for mobile










software radio


End of

Phase II

Plans for Future Development


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Technology Transition

  • Applications to military and commercial sectors

    • beamforming radio technology

    • reconfiguration and mobility methodology & algorithms

  • Actual transitions

    • interoperability testing at WIT facility

    • discussions with US Army CECOM on RAP program

      • network control software provided

      • possible demonstrations

    • telecom carrier interoperability testing with Sprint

    • investigating UAV applications

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Key Resources

  • Contacts

  • Web sites

    • http://www.ittc.ukans.edu/RDRN

  • Technical papers

    • 4 journal and 3 conference papers on RDRN efforts

    • http://www.ittc.ukans.edu/RDRN/documents

  • RDRN demonstrations

    • Rapid Deployment Force demonstration area

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RDRN GloMo Demonstration

  • See the RDRN demonstration in the Rapid Deployment Force demo room

  • Multimedia data and conferencing wireless ATM link to the Washington DC Tidal Basin area from the roof of the Sheraton National in Arlington using 5.3/5.8 GHz radios and arrays

  • Roaming mobile end point in Washington DC area, with tracking via Orderwire and GPS

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RDRN GloMo Demonstration

  • RDRN MAP Node near Jefferson & FDR Memorials

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RDRN GloMo Demonstration

  • RDRN MAP Node on roof of conference hotel

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RDRN GloMo Demonstration

  • RDRN Teleconference from conference floor to the banks of the Potomac