CONTENTS

 1 Abstract 1
Part 1  Digital terrestrial television: Mobile diversity case reception  field test regarding present DVB-T     4
1 Scope  4
2 Introduction  4
3 Carriers coherent sum diversity receiver system   4
4 Test development 5
        4.1 Choice of the test vehicle and of the best receiving antenna system   5
        4.2 Analysis of available instruments (directly by RaiWay and with the cooperation of Rohde & Schwarz Italia) and the choice of data measurement and storage system     5
        4.3 Reference vehicle implementation and field test 6
        4.4 Analysis of the acquired data  7
5 Conclusions  9
Part 2  Mobile reception with four-branch space diversity for ISDB-T     10
1 Introduction  10
2 ISDB-T signal 10
 3     Diversity technology for mobile reception  10
4 Performance evaluation  12
        4.1 Mobile reception experiments in the city of Nagoya  12
        4.2 Distribution of received field strength  15
        4.3 Relation between received field strength and correct reception rate  16
5 Conclusions  18