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What is the MW Link Engineering(Basic Step Microwave Link Budget)?
Answer:
MW Link Engineering (Basic Step Microwave Link Budget)

1st Step:-Line of Sight “LOS” Clearance (to decide the antenna Ht.)

2nd Step: - Frequency and antenna selection
o Frequency planning
o Interference analysis
o Hi-Low selection (higher/lower end of frequency band- to avoid Hi-lo violation)

3rd Step:-Rain Zone – this is depend on location (based on weather condition, terrain and vegetation)
Example:-
N (value is 95) for UPE-India, Delhi, UPW-India /Other than coastal areas
Q (value is 115) for UPE-India, Kolkata, ROW, Coastal Kutch areas, Konkan,
Southern coastal region

4thStep:-Finalization of Transmission parameters (Can vary as per Customer Guideline)
o FM – Fade Margin
Example:-
Case- a. 22 dB for 13GHz with Modulation of 2048 QAM
Case- b. 30 dB for 18GHz with Modulation of 256 QAM
Case- c. 30 dB for 15GHz with Modulation of 256 QAM)
o RSL – Receiving Label
Example:-
Case- a. -32 dB for 13GHz with Modulation of 2048 QAM
Case- b. -35 dB for 18GHz with Modulation of 256 QAM
Case- c. -35 dB for 15GHz with Modulation of 256 QAM)
o Link Availability (E.g. 99.999 for Town site & 99.995 for Highway/Ruler site)




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