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QoS Self-Provisioning and Interference Management for Co-Channel Deployed 3G Femtocells

Author

Listed:
  • Troels Kolding

    (Nokia Siemens Networks, Research Center Aalborg, Niels Jernes Vej 10, 9220 Aalborg, Denmark)

  • Pawel Ochal

    (Nokia Siemens Networks, Research Center Aalborg, Niels Jernes Vej 10, 9220 Aalborg, Denmark)

  • Niels Terp Kjeldgaard Jørgensen

    (Radio Access Technology, Department of Electronic Systems, Aalborg University, Niels Jernes Vej 12 A6-1, 9220 Aalborg, Denmark)

  • Klaus Pedersen

    (Nokia Siemens Networks, Research Center Aalborg, Niels Jernes Vej 10, 9220 Aalborg, Denmark
    Radio Access Technology, Department of Electronic Systems, Aalborg University, Niels Jernes Vej 12 A6-1, 9220 Aalborg, Denmark)

Abstract

A highly efficient self-provisioning interference management scheme is derived for 3G Home Node-Bs (HNB). The proposed scheme comprises self-adjustment of the HNB transmission parameters to meet the targeted QoS (quality of service) requirements in terms of downlink and uplink guaranteed minimum throughput and coverage. This objective is achieved by means of an autonomous HNB solution, where the transmit power of pilot and data are adjusted separately, while also controlling the uplink interference pollution towards the macro-layer. The proposed scheme is evaluated by means of extensive system level simulations and the results show significant performance improvements in terms of user throughput outage probability, power efficiency, femtocell coverage, and impact on macro-layer performance as compared to prior art baseline techniques. The paper is concluded by also showing corresponding measurements from live 3G high-speed packet access (HSPA) HNB field-trials, confirming the validity of major simulation results and assumptions.

Suggested Citation

  • Troels Kolding & Pawel Ochal & Niels Terp Kjeldgaard Jørgensen & Klaus Pedersen, 2013. "QoS Self-Provisioning and Interference Management for Co-Channel Deployed 3G Femtocells," Future Internet, MDPI, vol. 5(2), pages 1-22, May.
    • Handle: RePEc:gam:jftint:v:5:y:2013:i:2:p:168-189:d:25438
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