Title :
Measurement of the required cross-polar protection ratio in G-PAL TV FM satellite transmissions planning
Author :
Marti, J. ; Mossi, J.M. ; Ferrando, M.
Author_Institution :
Dept. de Commun., Univ. Politecnica de Valencia, Spain
fDate :
8/1/1994 12:00:00 AM
Abstract :
A measurement campaign using live TV broadcast satellite signals and receiving commercial equipment has been carried out to study the required cross-polar protection ratio at the receiving antenna in satellite transmission planning. This experiment provides useful and realistic conclusions for the optimum spectrum allocation of TV channels in broadcasting satellite systems, as for example, the frequency offset required between cross-polar channels depending on the cross-polar rejection at the receiving antenna, for a certain grade of video signal impairment due to the cross-polar channel interference effects, and taken also into account the noise contribution on the signal
Keywords :
direct broadcasting by satellite; electromagnetic compatibility; frequency allocation; interference suppression; radiofrequency interference; receiving antennas; satellite antennas; telecommunication channels; television antennas; television broadcasting; video signals; TV channels; broadcasting satellite systems; cross-polar protection ratio; cross-polar rejection; frequency offset; interference effects; live TV broadcast satellite signals; noise contribution; optimum spectrum allocation; receiving antenna; satellite transmissions planning; video signal impairment; Antenna measurements; Multimedia communication; Protection; Radio spectrum management; Receiving antennas; Satellite antennas; Satellite broadcasting; TV broadcasting; TV interference; Transmitting antennas;
Journal_Title :
Electromagnetic Compatibility, IEEE Transactions on
