What Is Terrestrial Microwave Transmission?


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Beth Kennedy Profile
Beth Kennedy answered
Microwave transmission is where information is transmitted via radio waves. It is used in terrestrial microwave radio broadcasting. This is when links are relayed in telecommunications networks. This can include backbone or back-haul carriers featured in cellular networks. These networks link BTS-BSC and BSC-MSC.

  • Terrestrial Microwave Transmission
  • Terrestrial Microwave Application
  • Microwave Transmission Advantages
  • Microwave Transmission Disadvantages
The terrestrial microwave transmission typically uses Uses the radio frequency spectrum 2 to 40 GHz. The transmitter is a parabolic dish (shaped like a bowl) and is mounted as high as possible to get the best frequency and transmission. Both private networks and common carriers can use terrestrial microwaves. An unblocked line of sight must be available between the source and the receiver. Seeing as the Earth is a curved sphere, the stations (otherwise known as repeaters) must be spaced 30 miles apart.

Terrestrial microwaves are used for both radio (voice) and television transmission. It can also be used for closed-circuit television (commonly known as CCTV) but short point-to-point connections between buildings or a data link between Local Area Connections (LANs) will be needed for the transmission to work.

There are several advantages of terrestrial microwave transmission. It can cover a wide bandwidth and has multi-channel transmissions. It can be used for both long-haul or high capacity short-haul transmissions. Also, it requires fewer amplifiers and repeaters, making it efficient and of good quality.

The disadvantages of terrestrial microwave transmission is that it can be expensive to adhere to the 30-mile line of sight requirement. The towers and repeaters can be fairly costly and there is a risk of interference from aeroplanes, birds and rain. Lastly, the frequency bands must be regulated. This means employing extra staff and can be costly seeing as there are a large number of terrestrial microwave transmitters in the world!

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