System for simultaneously transmitting multiple RF signals using a composite waveform
First Claim
Patent Images
1. A local multi-casting system comprising:
- means to receive media input;
means to simultaneously wirelessly broadcast a plurality of media signals without interleaving the media signals in transmission; and
means to digitally control receipt and broadcast of media via software.
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Abstract
A digitally controlled media multicasting system containing a signal processing system accepting and optionally modifying one or more independent single- or multi-channel baseband signals (typically, but by no means necessarily, audio or video signals); amplitude-, frequency-, or phase-modulating specified RF, IF, or LF carrier wave(s) in accord with said baseband signal(s); and then compositing the modulated carrier waves into a smaller quantity of waveform(s), said waveform(s) being (as necessary) frequency-multiplied or -shifted, and amplified for wireless transmission.
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Citations
20 Claims
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1. A local multi-casting system comprising:
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means to receive media input;
means to simultaneously wirelessly broadcast a plurality of media signals without interleaving the media signals in transmission; and
means to digitally control receipt and broadcast of media via software. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A digitally controlled signal processing system including:
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at least two independent baseband input signals;
at least one digital processor substantially controlling the signal processing;
at least one algorithm, each used by at least one digital processor (“
processor”
), controlling in conjunction with associated hardware at least one modulated carrier wave in accord with at least one selected modulation format as applied to at least one baseband input signal;
means for processing a plurality of modulation formats;
means for simultaneously processing at least two simple modulated carrier waves of different frequencies; and
means to sum at least two of the modulated carrier waves of different frequencies to create at least one composite supercarrier modulated carrier wave. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification