Simultaneous overlapping broadcasting of digital programs

Details Simultaneous overlapping broadcasting of digital programs Simultaneous overlapping broadcasting of digital programs

1995-03-16

1997-07-22

Olms, Douglas W.

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via time channels

348423, 348614, H04J 300, H04B 7015

Patent

active

056510101

ABSTRACT:
Within a desired service area, multiple transmitters at separately located sites simultaneously broadcast the same multi-channel, multi-program signal. Broadcast waves from the transmitters propagate throughout substantially overlapping portions of the service area. Obstructions in the service area, e.g. mountains, buildings, trees, etc., may block reception from one or more of the transmitters at certain sites. However, at most receiving sites, the receiving antenna can receive a clear line-of-sight transmission from at least one of the transmitters. In the preferred implementation, the channels are 6 MHz wide channels broadcast in the super high frequency microwave portion of the spectrum. Each such channel carries a multiplexed digital data stream containing packets of information for a plurality of programs, e.g. television programs.

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