A transmission system for digital audio broadcasting using...

Details A transmission system for digital audio broadcasting using... A transmission system for digital audio broadcasting using...

H - Electricity

04

L

H04L 1/22 (2006.01) H04B 7/005 (2006.01) H04L 25/03 (2006.01) H04H 1/00 (2006.01)

Patent

CA 2199762

A digital audio broadcasting (DAB) system includes a radio-frequency (RF) transmitter and a corresponding RF receiver. The RF transmitter formats a DAB signal into a sequence of frames, each frame having a header comprising a predefined grouping of pseudo- random number sequences comprising 100 symbols. Of these 100 symbols, 86 symbols of the header are used for frame synchronization and channel sounding (for characterization of a communications channel), while the remaining 14 symbols are used for interleaver and data synchronization in an interleaved fashion.

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