Methods and apparatus for transmission of analog channels over digital packet networks
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United States of America Patent
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Jan 31, 2006
Grant Date -
N/A
app pub date -
Nov 16, 2000
filing date -
Nov 16, 2000
priority date (Note) -
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Abstract
Methods and apparatus are provided for tunneling (transparently transmitting) over a packet network, from a source to a destination, the spectrum of one or more bandpass channels individually selected from a larger spectrum at the source. Each channel is selected, translated to baseband (using sampling techniques), digitized, framed, merged with other digital services, transmitted (along with associated attribute information) using packet techniques, and later reconstructed. The present invention provides a selective and efficient use of available bandwidth, in that it is not necessary to transmit the entire spectrum, when only one or few portions of the spectrum are desired. This in turn, reduces bandwidth requirements all along the transmission path and at the source and destination. The reduced bandwidth requirements have associated reductions in power and costs.
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