RECOMMENDATION ITU-R BS.1547 - Terrestrial component of systems for hybrid satellite-terrestrial digital ... ANNEX 1 - Summaries of digital systems 1 Summary of Digital System DH 2 Summary of Digital System E ANNEX 2 - Digital System DH 1 Introduction 2 System overview 2.1 Layer structure of Digital System DH 2.2 Satellite broadcast segment 2.3 MCM implementation 2.4 MCM waveform parameters 2.5 Time diversity delay between early and late broadcast channels 2.6 Receiving scenarios of hybrid satellite/terrestrial signals 2.7 Receiver architecture ANNEX 3 - Digital System E 1 Introduction 2 System overview 3 Physical layer and modulation 3.1 Frequency band 3.2 Bandwidth 3.3 Polarization 3.4 Modulation 3.5 Chip rate 3.6 Signature sequence and spreading sequence 3.7 Data spreading 3.8 Roll-off factor 3.9 The number of CDM channels 4 Channel coding 4.1 Error correction coding 4.2 Interleaving 4.3 Pilot channel 5 Service multiplexing 6 Source coding 6.1 Audio source coding 6.2 Data coding 7 Example of an application of Digital System E 7.1 Satellite link 7.2 Gap filler 7.3 Experimental results of high-speed vehicular receptions 7.4 Receiver model