Satellite Communications/Post Modulation Filtering

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Question
Is there disadvantage of post modulation filtering over pulse shaping filtering for digitally modulated signals?

Answer
Hi Rajesh,
There is no specific advantage or disadvantage of PM filtering. For better linearity, in satellite systems
shaping is done in transponders. So far Earth Station processing is concerned, in the modern technology DSP techniques take care of all processing specs of a digitally modulated signal.
Cheers/GTRao

Satellite Communications

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TIRUMALA RAO G

Expertise

Satellite Communications Applications, Link Calculations, Teleports, Earth Stations,VSAT, Tracking, Mobile Communications, Next Generation Networks.

Experience

40 Years. Indian Space Research Organisation, PANAMSAT, Satellite Based VSAT Networks, IP Networks.

Organizations
ISRO, PANAMSAT, Engineering Institution for Higher Education (GVP College of Engineering), Consultancy.

Education/Credentials
Graduate in Electronics and Communication Engineering with Distinction. Guiding scholars for their Doctoral thesis in related areas in Academics.

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