In-band on-channel digital broadcasting

Telecommunications – Transmitter and receiver at separate stations – Single message via plural modulation of single carrier

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455 65, 455102, 455143, 455202, 375232, 375270, H04B 104, H04B 112, H04B 168

Patent

active

054653967

ABSTRACT:
A system for combining AM and FM transmissions. In-band, On-channel, FM Digital Audio Broadcast (IBOC FM-DAB) allows simultaneous transmission of DAB and FM over existing FM allocations without interfering with conventional analog FM signals. The utility of existing FM spectrum allocations is therefore enhanced.

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