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Fixed Relays for Next Generation Wireless Systems - System Concept and Performance Evaluation

Pabst Ralf    (Chair of Communication Networks at RWTH Aachen University   ); Esseling Norbert    (Chair of Communication Networks when this work was performed   ); Walke Bernhard H.    (Chair of Communication Networks at RWTH Aachen University  );
  • 초록

    This work presents a concept and the related analysis of the traffic performance for a wireless broadband system based on fixed relay stations acting as wireless bridges. The analysis focuses on the important performance indicators end-to-end throughput and delay, taking into account the effects of an automated repeat request protocol. An extension to a MAC frame based access protocol like IEEE 802.11e, 802.15.3, 802.16a, and HIPERLAN2 is outlined and taken as basis for the calculations. The system is intended for both dense populated areas as an overlay to cellular radio systems and to provide wide-area broad-band coverage. The two possible deployment scenarios for both dense urban and wide-area environments are introduced. Analytical and validating simulation results are shown, proving the suitability of the proposed concept for both of the mentioned scenarios. It is established that the fixed relaying concept is well suited to substantially contribute to provide high capacity cellular broad-band radio coverage in next generation (NG) cellular wireless broadband systems.


  • 주제어

    Cellular radio .   fixed relays .   multi-hop .   urban scenario .   wide area .   wireless broadband.  

  • 참고문헌 (19)

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    15. IETF, http://www.ietf.org/html.charters/manet-charter.html 
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    18. N. Esseling, H. Vandra, and B. Walke, 'A forwarding concept for HIPER­LAN/2,' in Proc. European Wireless 2000, Dresden, Germany, Sept. 2000, pp.13-17 
    19. 3GPP, 'Selection proc. for the choice of radio transm. techno of the UMTS, (UMTS 30.03),' ETSI, Sophia Antipolis, France, Report TR 101 112, V3.2.0, Apr. 1998 

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