Modems White Papers

DOCSIS STG

Overview Cisco Systems support for the Data over Cable Service Interface Specifications (DOCSIS) Set-top Gateway (STG) brings intelligence and flexibility to the cable video distribution network. Incorporating out-of-band (OOB) messaging in DOCSIS digitally modulated carriers, cable operators can consolidate cable modem (CM) and set top box (STB) data traffic on a shared DOCSIS channel. Cable operators can accelerate the rollout of new, bandwidth-intensive, interactive video services and migrating legacy technology-based video networks to a standards-based IP network.

Further White Paper Details
PublisherCisco File FormatPDF, requires Acrobat Rdr 5
Date PublishedAugust 2003 Downloads26
FormatWhite Papers   
Topics

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V.92 The Next Generation Modem Technology

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Effect of Rounding and Saturation in Fixed-Point DSP Implementation of IFFT and FFT for OFDM Applications

This paper describes a new technique for designing FFTs for Orthogonal Frequency Division Multiplex (OFDM) transmitters and receivers. Using the new technique, signals within the FFT structure are scaled so...

Optimum Noise Thresholds in Decision Directed Impulse Noise Mitigation for OFDM

Impulse noise is a significant problem in some OFDM applications including digital television broadcasting. This paper studies the optimum threshold values for a novel decision directed impulse noise mitigation algorithm....

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