H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/148 (2006.01) H04B 3/00 (2006.01)
Patent
CA 2734218
Digital information can be carried on the fiber leg of an access network using binary modulation. Binary modulated data received at an O/E node can then be modulated onto an analog waveform using quadrature amplitude modulation or some other technique for modulating an analog waveform and transmitted over, for example, the coaxial leg of the network. The O/E node may also receive an analog signal, over the coaxial leg, modulated to carry upstream data from subscriber devices. The O/E node may demodulate the upstream signal to recover the upstream data and forward that upstream data over the fiber leg using a binary modulated optical signal.
Salinger Jorge Daniel
Urban David
Borden Ladner Gervais Llp
Comcast Cable Communications Llc
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