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Equalization and Predistortion for Mitigation of VSAT Channel Impairments

Resource Type
White Papers

In recent years, the satellite communications industry has seen various improvements in VSAT system efficiency and coding schemes through a number of Digital Video Broadcasting Standard extensions. However, the benefits of these improvements and extensions are not yet completely clear where linear and nonlinear impairments impact end-to-end link performance. These impairments must be taken into careful consideration since they limit the achievable spectral efficiency for a given system architecture and link budget. Hughes has implemented an equalization scheme in the JUPITER™ System to tackle distortions caused by impairments in VSAT channels.