Table of ContentsICSA 411: Week 2 Data Communication Telecommunications Standards Advantages Disadvantages Institute of Electrical and Electronics Engineers (IEEE) American National Standards Institute (ANSI) National Institute of Standards and Technology (NIST) Industry Associations Int’l Telecommunications Union (ITU) ISO (International Standards Organization) Internet Engineering Task Force (IETF) RFC?Internet Standard Data Communication Basics Analog Data Choices Digital Data Choices Transmission Choices Data, Signals, and Transmission Advantages of Digital Transmission Analog Encoding of Digital Data Modem Methods of Modulation Amplitude Shift Keying (ASK) ASK Illustration Frequency Shift Keying (FSK) FSK Illustration Phase Shift Keying (PSK) PSK Illustration Differential Phase Shift Keying (DPSK) Complex Modulations Quadrature Amplitude Modulation (QAM) Quadrature Amplitude Modulation Illustration Quadrature Amplitude Modulation Uses Trellis Coded Modulation (TCM) CCITT V-Series Modem Recommendations V.32 bis Modems V.34 Modems V.34+ Modems 56kbps Modems Digital Encoding of Analog Data Converting Samples to Bits Codec Digital Encoding of Digital Data Differential NRZ Problems With NRZ Biphase Alternatives to NRZ Manchester Code Differential Manchester Digital Encoding Schemes Asynchronous & Synchronous Transmission Asynchronous Transmission Synchronous Transmission |
Author: Elizabeth Lane Lawley
Home Page: http://www.it.rit.edu/~ell/19971/411/ |