ABSTRACT
Contents 21.1 Introduction ...........................................................................................424 21.2 Diversity Schemes ................................................................................. 426
21.2.1 Space Diversity ......................................................................... 426 21.2.2 Polarization Diversity ................................................................427 21.2.3 Angle Diversity ......................................................................... 428 21.2.4 Frequency Diversity .................................................................. 428 21.2.5 Path Diversity ........................................................................... 428 21.2.6 Time Diversity ......................................................................... 428 21.2.7 Transformed Diversity ...............................................................429
