'Diffraction loss' presentation slideshows

Mobile Radio Propagation

Mobile Radio Propagation. Mobile radio channel is an important factor in wireless systems. Wired channels are stationary and predictable, while radio channels are random and have complex models . Modeling of radio channels is done in statistical fashion based on receiver measurements.

1.17k views • 74 slides

Figure 14.1 The UK microwave communications wideband distribution network

Figure 14.1 The UK microwave communications wideband distribution network. Figure 14.2 Splitting of a microwave frequency allocation into radio channels. Figure 14.3 Extraction (dropping) of a single radio channel in a microwave repeater.

622 views • 45 slides

3.7 Diffraction

3.7 Diffraction. allows RF signals to propagate to obstructed ( shadowed ) regions - over the horizon (around curved surface of earth) - behind obstructions received field strength rapidly decreases as receiver moves into obstructed region

1.42k views • 34 slides

Wireless Communication Channels: Large-Scale Pathloss

612 views • 25 slides

EELE 5490, Fall, 2009 Wireless Communications

EELE 5490, Fall, 2009 Wireless Communications. Ali S. Afana Department of Electrical Engineering Class 5 Dec. 4 th , 2009. Outline. Review Free space propagation Received power is a function of transmit power times gains of transmitter and receiver antennas

366 views • 21 slides