Classification of microwave link systems

Classification of #microwave_link systems

1.According to distance between the points to be connected
#Long-haul microwave links (20 to 50 km, in certain cases even more)
#Short-haul microwave links (a few hundred metres up to 20 km)

2.According to transmission capacity and multiplex process

#Up to around 34 Mbit/s (classical PDH)
#Up to around 200 Mbit/s per system (Ethernet or mixed with PDH)
#Up to n times 155 Mbit/s (SDH)

3.According to frequency band used

- 6 to 8 GHz (long-haul microwave links of up to over 50 km, for the highest possible capacity)
- 11 to 15 GHz (medium-haul distances of 10 to 20 km)
- 18 to 38 GHz (short-haul microwave links between 1 and 10 km)
- 52 GHz and more (shortest distances of all, up to around 1 km)

4.According to equipment technology

Classical indoor equipment with waveguide between equipment and antenna
Splitting equipment (microwave link system with the indoor and outdoor unit separated)

2+0
non-resilient configuration is 2+0 which has two ODUs connected to a single antenna via a coupler.  The hardware configuration is identical to 1+1 FD, but the ODUs carry separate signals to increase the overall capacity.

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http://telecom4eng.blogspot.com/2016/09/classification-of-microwavelink-systems.html