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WinProp for Broadcasting
Broadcasting networks (e.g. TV, radio or paging networks) are only using downlink signals radiated from fixed terrestrial transmitters or satellites to fixed or mobile receivers.
Accurate propagation models allow a detailed analysis of the coverage area and help to avoid areas without any coverage. Depending on the scenario and on the databases available, the propagation models for the following scenarios can be used:
Rural or suburban scenarios (based on topography and clutter)
Urban scenarios (based on topography and vector buildings)
Indoor and arbitrary 3D scenarios (based on 3D vector objects)
Tunnel scenarios (based on 3D tunnel data)
Broadcasting of radio signals from a TV tower in the hilly scenario of Stuttgart
(Prediction with Urban Dominant Path Model)
The WinProp broadcasting module is an extension of the ProMan tool and uses the propagation results (obtained with one of the propagation models) for the simulation of the broadcasting network. The module can be used for any broadcasting or paging air interface (either digital or analogue). For a digital air interface based on OFDM the corresponding network planning module is recommended.
The WinProp broadcasting module supports different types of transmitters:
Leaky Feeder Cables (especially for indoor or tunnels)
Distributed Antenna Systems (DAS)
OFDM Broadcasting Networks
Digital Video Broadcasting allows the provision of multimedia services to fix users (DVB, DAB) or mobile users (DVB-H) in a cost-effective way. WinProp provides a planning module for DVB networks considering the OFDM air interface and the SFN deployment (incl. the guard interval for possible interferences introduced by neighbouring transmitters).
The DVB radio network planning module allows the investigation of the network performance in terms of coverage, SNIR and system margin for different network configurations incl. gap-fillers within various environments (rural, urban, and indoor).
Deployment with high power transmitters and local gap-fillers (e.g. for urban & indoor coverage)
Very important for the planning of broadcasting networks are the following simulation results, computed with the WinProp broadcasting module:
Maximum received power in downlink for mobile stations (for coverage analysis)
Superposition of the signals received from different antennas (if the antennas are radiating the same signal)
Number of received carriers (if multiple carriers are received from different transmitters)
Co-Channel-Interference (for each carrier used in the network)
Result maps for all these values are computed with ProMan in the broadcasting simulation module. This module considers only the downlink signals and does not evaluate any uplink signals.
The propagation models in ProMan can work with many different types of databases depending on the scenario analyzed. Depending on the scenario the corresponding map data need to be provided:
Land Usage (Clutter)
Building data in urban scenarios
Indoor walls in indoor scenarios or when considering indoor penetration
The antenna patterns of terrestrial transmitters can either be 2x2D (horizontal and vertical) or 3D. The influence of the masts on the radiation patterns can be examined with the MASC module.
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