In-band on-channel broadcasting via mesh network
Abstract:
Digital content can be broadcast in a sideband of an analog broadcast channel using multiple digital in-band on-channel (IBOC) transceivers connected in a mesh configuration to form an IBOC mesh network. The digital IBOC transceivers are positioned at various geographic locations, so that unlike traditional “HD” radio broadcasts, the IBOC broadcast transmission is spread out over a wide area, using multiple low power digital IBOC transceivers rather than being broadcast from the same location as the analog signal. IBOC transmission power can be limited to a desired portion of the power used to broadcast the analog signal, based on measurements taken at the geographically distributed digital IBOC transceivers. The IBOC mesh network provides bi-directional communication between a mesh transceiver and a user device, and delivers user feedback received at one mesh transceiver to a feedback server by moving the user feedback through the IBOC mesh network.
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