CONTENTS

 1     Scope
 2     Normative references
 3     Abbreviations and relevant definitions
 4     SMATV/MATV Interactive system concepts
 5     Reference Model for system architecture of narrowband interaction channels in a broadcasting scenario (asymmetric interactive services)
        5.1     Protocol Stack Model
        5.2     System Model
        5.3     Application of the Reference Model to the SMATV Interaction Channel
 6     Interaction Channel for SMATV/MATV systems
       6.1      System description
        6.2     Approach based on the "Cable solution"
                  6.2.1     Spectrum allocation
                  6.2.2     FDM/TDMA Multiple Access
                  6.2.3     Bit rates and Framing
        6.3     Approach based on the "Master Link Solution or Low rate TDMA"
                  6.3.1     Main characteristics
                  6.3.2     Physical Layer
                 6.3.3      Frequency Range
                  6.3.4     Power Budget & Power Ranging
                  6.3.5     MAC layer
                  6.3.6     MAC address
                  6.3.7     TDMA scheme
                  6.3.8     Framing
                  6.3.9     Error Control Procedure
        6.4     SMATV/MATV Head-End Interface with other networks
                  6.4.1     RS-232 serial Interface
                  6.4.2     Alternative Interfaces
Appendix I – Report on measurements of the master link system for SMATV/MATV networks
        I.1     Introduction
        I.2     Description of the Test-Bed
        I.3     Measurements
                  I.3.1     Bit Error Rate of the GMSK signal
                  I.3.2     Maximum allowable attenuation
                  I.3.3     IF spectrum
                  I.3.4     Performance in the presence of linear distortions
        I.5     Conclusions
Appendix II – Report on Simulation of the behavior of the GMSK signal used by the  Master Link System in SMATV/MATV networks
       II.1     Introduction
       II.2     Description of the Simulation
       II.3     Transfer function analyses of the networks considered
       II.4     Simulation results
       II.5     Conclusions
       II.6     Bibliography