Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-09-08
2009-08-25
Appiah, Charles N (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S403000, C348S180000
Reexamination Certificate
active
07580708
ABSTRACT:
A system and method for monitoring the quality of signals transmitted to a remote service area that is located outside of the broadcast area of a main broadcast site. The present invention converts and combines the signals that are to be broadcast from the main broadcast site to a satellite for redistribution to the remote service areas. The converted and combined signals are looped back to a network monitoring operations located at the main broadcast site before being transmitted to the satellite. In another embodiment, the remote broadcast sites send signal strength measurements to the network monitoring operations to provide an indication of satellite transmission problems not related to the quality of the signal being broadcast from the main broadcast site.
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Appiah Charles N
Doan Kiet
The DIRECTV Group Inc.
LandOfFree
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