Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate
2011-04-26
2011-04-26
Appiah, Charles N (Department: 2617)
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
C455S127400, C455S151200, C455S554100, C725S111000, C725S131000
Reexamination Certificate
active
07933572
ABSTRACT:
A typical cable television (CATV) network can be used as a communication link between a remote antenna system and a cellular base station (BTS). To do so, capacity of the typical CATV network is expanded to add use of an additional frequency spectrum, the added frequency is then divided into frequency channels (bands) of which each channel is digitized (e.g., using QAM) to produce a certain amount data bandwidth per channel, and a certain number of those channels are concatenated together to provide an aggregate data channel for carrying traffic between the cellular BTS and the remote antenna system (e.g., a distributed antenna system (DAS)).
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Appiah Charles N
Peaches Randy
Sprint Spectrum L.P.
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