Fraunhofer Institute for Telecommunications

Heinrich-Hertz-Institut

Dr. Wilhelm Keusgen

Einsteinufer 37

10587 Berlin

www.hhi.fraunhofer.de

Sub-Project: Investigation of 60 GHz Broadband Communication: System Design and Implementation Aspects

Investigation of the 60 GHz radio channel

  • Ray-tracing simulations (car, aircraft)
  • Determination of dielectric parameters of application-specific materials (car, aircraft)
  • Provision of preliminary measurement data (from prior campaigns)

Transmission techniques and system concept

  • Link-budget
  • Crest-factor and power backoff
  • Channel capacity
  • MIMO concepts

Implementation aspects

  • Development and evaluation of processing elements for 60 GHz broadband communication:
    • Pilot sequences
    • Synchronization
    • Channel estimation
  • Link level simulations
  • Algorithm optimization
  • Design-flow for digital real-time implementation
  • Implementation aspects for Altera FPGAs

Medium Access Control (MAC) and higher layer aspects

  • Evaluation of managed and unmanaged transmission schemes (efficiency, protocol overhead)
  • System model of the air interface
  • Link adaptation and resource allocation with regard to feedback information
  • Evaluation of single hop / multi hop transmission schemes and fallback solutions
  • Network entry and handover
  • Definition of application specific QoS classes, MAC and PHY implications

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