North American Experience With Reverse-Direction Transmission in Broad Band, Tree Structured Distribution Networks

  • I. Switzer
Conference paper
Part of the Telecommunications book series (TELECOMMUNICATI, volume 1)


The present population of broad band communications systems in the United States and Canada were developed as cable television systems, or perhaps more accurately, community antenna television systems. The first ones were built around 1952 to provide television reception in “shadow” areas or at distances too great from the transmitting station for conventional private receiving antennas to be effective. These systems evolved as “tree structures” with their “roots” at the head-end or main antenna, where signals were received to be fed through the “trunk” cables into the “branch” distribution cables into the “stems” or service drops to the “leaves” or subscriber receivers. Early systems were extended branch by branch as service was demanded and as systems grew in financial strength. The term “tree structured” is very appropriate.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1977

Authors and Affiliations

  • I. Switzer
    • 1
  1. 1.MississaugaCanada

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