Method and apparatus for processing air-borne digital data...

Details Method and apparatus for processing air-borne digital data... Method and apparatus for processing air-borne digital data...

2004-06-14

2008-07-08

Ferguson, Keith T (Department: 2618)

Telecommunications

Wireless distribution system

C455S003010, C455S003030, C455S003040, C455S003050, C455S414100

Reexamination Certificate

active

07398050

ABSTRACT:
A method of communicating data in a satellite digital audio radio (SDAR) system includes transmitting two radio frequency digital signals to a SDAR receiver within a motor vehicle. The two signals include substantially identical information. Each signal includes universal data, and also group-specific data that may or may not be relevant to the particular receiver. The group-specific data is located in a predetermined time location within the signals. This method includes combining the group-specific data from one of the two signals with group-specific data from the other signal to create a group-specific output signal. Similarly, the universal data from one of the two signals is combined with universal data from the other signal to create a universal output signal.

REFERENCES:
patent: 5970085 (1999-10-01), Yi
patent: 6823169 (2004-11-01), Marko et al.
patent: 2004/0092228 (2004-05-01), Force et al.

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