Recommendation ITU-R P.1238-12
Policy on Intellectual Property Right (IPR)
Annex 1
1 Introduction
2 Propagation impairments and measures of quality in indoor radio systems
3 Basic transmission loss models
3.1 Site-general models
3.2 Site-specific models
4 Delay spread models
4.1 Multipath
4.2 Impulse response
4.3 r.m.s. delay spread
4.4 Frequency selectivity statistics
4.5 Site-specific models
5 Effect of polarization
5.1 Line-of-sight case
5.1.1 Delay spread
5.1.2 Cross-polarization discrimination ratio (XPR)
5.2 Obstructed path case
5.3 Orientation of mobile terminal
6 Effect of antenna radiation pattern
6.1 Received power loss due to the beamwidth of directional antenna
6.2 Delay spread and angular spread characteristics
7 Effect of transmitter and receiver siting
8 Effect of building materials, furnishings and furniture
9 Effect of movement of objects in the room
10 Angular spread models
10.1 Cluster model
10.2 Angular distribution of arrival waves from within i-th
cluster
10.3 Double directional angular spread
11 Statistical model in static usage
11.1 Definition
11.2 System model
11.2.1 Probability density function of received power
11.2.2 Autocorrelation function of received signal level
11.2.3 Power spectrum of received signal
11.2.4 Values
11.2.5 Examples