Evolution of Return-path Cable TV Access Technologies Toward Fiber-to-the-Home Network Architecture

S. Ovadia (USA)


digital, return-path, cable TV, fiber-to-the home, hybrid fiber coax.


The return-path of a dense wavelength-division multiplexed cable TV access network architecture using time-division-multiplexing and frequency-stacking methods is reviewed. Digitizing the return-path bandwidth provides significant cost savings while maintaining network transparency and flexibility. A deep-fiber dense wavelength-division-multiplexed network with a parallel switched Ethernet architecture is advantageous to passive optical network architecture since it provides a flexible cost-effective migration path toward fiber-to-the-home network architecture.

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