On the performance of densified DVB-H single frequency networks

  • Authors:

  • Chunhui Zhang;Thomas John Owens;Yong-Hua Song

  • Affiliations:

  • School of Engineering and Design, Brunel University, Uxbridge, Middlesex UB8 3PH, UK.;School of Engineering and Design, Brunel University, Uxbridge, Middlesex UB8 3PH, UK.;School of Engineering and Design, Brunel University, Uxbridge, Middlesex UB8 3PH, UK

  • Venue:
  • International Journal of Mobile Network Design and Innovation
  • Year:
  • 2006

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Abstract

The broadcasting of TV programmes to mobile phones can be enabled by the newly developed technology called Digital Video Broadcasting-Handheld (DVB-H). Because of the scarcity and cost of frequency resources, frequency reuse needs to be considered when rolling out DVB-H networks. By simulcasting the same content from several transmitters, a Single Frequency Network (SFN) can provide good coverage and good frequency efficiency. In this paper, the performance of densified DVB-H SFN networks is analysed in terms of the coverage probability under different coverage requirements with and without frequency reuse. A dichotomy searching approach is used to determine the optimal cell radius for a cell in a densified DVB-H SFN for a given network topology. Based on the optimal cell radius map and a SFN gain map generated from the simulation results, guidelines are proposed on how to avoid the potential pitfalls in configuring the parameters of a densified DVB-H SFN network and optimise its parameters in terms of minimising the cost of the network for a range of predefined network parameters.