RECOMMENDATION ITU-R P.1411-2 - Propagation data and prediction methods for the planning ... 1 Introduction 2 Physical operating environments and definition of cell types 3 Path categories 3.1 Definition of propagation situations 3.2 Data requirements 4 Path loss models 4.1 LoS situations within street canyons 4.2 Models for NLoS situations 4.3 Default parameters for site-general calculations 4.4 Influence of vegetation 5 Building entry loss 6 Multipath models 7 Number of signal components 8 Polarization characteristics 9 Characteristics of direction of arrival