CONTENTS

Policy on Intellectual Property Right (IPR)     ii
RECOMMENDATION  ITU-R  P.1407-4     1
Multipath propagation and parameterization of its characteristics     1
Scope     1
Annex 1     1
1 Introduction  1
2 Parameters of delay profiles  2
        2.1 Definitions of power delay profiles  2
        2.2 Definitions of statistical parameters  3
                  2.2.1 Total energy  4
                  2.2.2 Average delay time  4
                  2.2.3 r.m.s. delay spread  5
                  2.2.4 Delay window   5
                  2.2.5 Delay interval 5
                  2.2.6 Frequency correlation bandwith  5
                  2.2.7 Recommended values of parameters  6
3 Parameters of direction of arrival 6
        3.1 Definition of angle of arrival power profiles  6
        3.2 Definitions of statistical parameters  7
                  3.2.1 Total energy  8
                  3.2.2 Average arrival angle  9
                  3.2.3 r.m.s. angular spread  9
                  3.2.4 Angular window   10
                  3.2.5 Angle interval (angular spacing) 10
                  3.2.6 Spatial correlation distance  11
                  3.2.7 Recommended parameters  11
Annex 2     12
1 Introduction  12
2 Computing the spatial correlation coefficients  12
3 Effect of the correlation coefficients on MIMO capacity  14