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SFN gain in broadcast networks

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6 Author(s)
Plets, D. ; Dept. of Inf. Technol., Ghent Univ., Ghent, Belgium ; Joseph, W. ; Verloock, L. ; Martens, L.
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For broadcast networks, the Single-Frequency Net work (SFN) mode is an alternative to the well-known Multi Frequency Network (MFN) mode, where instead of transmitters operating at different frequencies, all base stations use the same frequency. Besides an expected improvement of the quality of service due to the more homogeneous distribution of received signal strength, some areas will also show a degraded quality caused by the SFN echoes. In this paper, the SFN gain is defined as a parameter describing potential gain or interference. An unambiguous methodology to obtain the actual SFN gain is presented and the variation of the gain is investigated for a DVB-H network as a function of the signal strength difference received from different transmitters. This SFN gain can be used for coverage planning of future broadcast networks.

Published in:

Broadband Multimedia Systems and Broadcasting (BMSB), 2011 IEEE International Symposium on

Date of Conference:

8-10 June 2011