DIGITAL SUBSCRIBER LOOP TRANSMISSION USING ECHO CANCELLER AND BALANCING NETWORKS.

Misao Fukuda, Toshitaka Tsuda, Kazuo Murano

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    A description is given of a 144-kb/s subscriber loop transmission system based on a hybrid transmission technology. The automatically controlled balancing network to obtain a high return loss, the 2-stage structure of an echo canceller to reduce the precision of D/A converter, and the specially formatted packetized data frame to realize a stable timing extraction characterize the system. A total system, which also has a ROOT f AGC equalizer and a decision-feedback equalizers, was implemented. An experiment showed error-8free transmission on a 4-km cable with a 0. 4-mm diameter.

    Original languageEnglish
    Pages (from-to)1181-1185
    Number of pages5
    JournalUnknown Journal
    Publication statusPublished - 1985

    ASJC Scopus subject areas

    • Media Technology

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