Method and system for automatic planning of transmission time delays of transmitters in a time and frequency synchronous broadcasting network
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United States of America Patent
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Dec 29, 2009
Grant Date -
Apr 5, 2007
app pub date -
Sep 28, 2006
filing date -
Sep 30, 2005
priority date (Note) -
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Abstract
The system for automatic planning of delays in a network (N) of SFN type comprises: means initiating an OFDM transmission for each radio transmitter (4), inter-symbol delays being provided; a calculation module processing network data and determining figures of populations located in zones with interference; control means and initiation means to delay transmission at each transmitter, with a delay varying between 0 and 1 ms; delay adjustment means linked to the control means for combinations of delays for all transmitters. The module (11) recalculates the figures of populations located in interference zones for successive combinations of delays, and configuration means (13) of the system provide the number of permitted iterations. The optimal combination is obtained when said estimated population figures are minimum.
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