FM Techniques in Existing Networks

  • Syed V. Ahamed
  • Victor B. Lawrence


Frequency and phase modulation are the two major subsets of angle modulation techniques for encoding signals onto carriers. The instantaneous phase of the carrier is equally influenced by both of these analog coding methodologies. If the modulated signal can be represented as.


Carrier System Digital Subscriber Line Satellite Link Frequency Allocation Pilot Tone 
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  1. 2.1.
    Bell Telephone Laboratories 1982, Transmission Systems for Communications, Fifth Edition, Bell Telephone Laboratories, IncGoogle Scholar
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    AT&T 1985, Telecommunication Systems Engineering, second printing, New York, NY.Google Scholar
  3. 2.3.
    E.A. Lee and D.G. Messerschmitt 1988, Digital Communication, Kluwer Academic Publishers, Boston, MA.CrossRefGoogle Scholar
  4. 2.4.
    S.V. Ahamed 1982, “Simulation and Design Studies of Digital Subscriber Lines,” Bell System Technical Journal, Vol. 61, No.6, July-August, 1003–1077Google Scholar

Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Syed V. Ahamed
    • 1
    • 2
  • Victor B. Lawrence
    • 2
  1. 1.City University of New YorkNew YorkUSA
  2. 2.Bell Labs Innovations Lucent Technologies HolmdelHolmdelUSA

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