GEO-Mobile Radio Interface Specifications (Release 3); Third Generation Satellite Packet Radio Service; Part 5: Radio interface physical layer specifications; Sub-part 5: Radio Transmission and Reception; GMR-1 3G 45.005 (V3.5.1)
The present document defines the performance requirements for the Mobile Earth Station (MES) radio transceiver for the GMR-1 3G Mobile Satellite System. Requirements are defined for two categories of parameters: ? Those that are required to provide compatibility among the radio channels@ connected either to separate or common antennas@ which are used in the system. This category also includes parameters providing compatibility with existing systems in the same or adjacent frequency bands. ? Those that define the transmission quality of the system.