Mw Transmission Basics

Satisfactory Essays
Microwave Transmission Basics

Microwave Transmission Basics
Table of Contents

• MW Advantages • MW Frequency bands • MW Link elements • Antenna Radiation Pattern • MW Alarms

Microwave Transmission Basics
Features Advantages


Rapid Deployment – A microwave link can be installed in as little as one day
No right-of-way issues – Radio spans all obstacles such as roads, railways, etc., avoiding any requirement to seek permissions that inevitably are costly and introduce time delays. Flexibility – The capacity of a microwave link can be easily increased at minimal or even no cost. Radios can also be redeployed if network needs change or as a result of customer churn. Losing customers does not mean assets are lost like in the case of fiber build.





Microwave Transmission Basics
Features Advantages

• • •

Easily crosses city terrain – In many metropolitan and city authorities, street digging to install fiber is either extremely restricted, prohibitively expensive or is even banned outright.
Operator-owned infrastructure - no reliance on competitors. Low start-up capital costs, which are independent of the link distance. Minimal recurring operational costs.




Radio infrastructure already exists for many networks in the form of rooftops, cellular masts and existing radio transmission towers.
Microwave radio is not susceptible to common catastrophic failure of cable systems caused by cable cuts, and can be repaired in minutes instead of hours or days.

• Limitations
• • • Transmission Capacity Limits (i.e. PDH, STM-1) Competitive Transmission Media Optical Fiber (i.e. STM-1 up to STM-N)

Microwave Transmission Basics
Common M/W Frequency Bands
According to ITU-R recommendations

        

7 GHz 8 GHz 11 GHz 13 GHz 15 GHz 18 GHz 23 GHz 28 GHz 38 GHz

Note: Hop distance is depending on frequency. High frequency coincides with shorter transmission hop distance. Systems on 23 - 38 GHz are prone to rain

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