Terrestrial Vs Satellite Communication

Coverage area of a satellite based system is greater than that of a terrestrial based wireless communication system.

Terrestrial vs satellite communication. There are a number of differences between satellite based and terrestrial wireless communications that affect design. Terrestrial wireless communication has delay that is not noticeable whereas in satellite communication using geostationary satellites at an altitude of 36000 km the users experience a quarter of a second delay. Satellite systems cover almost entire globe. Depending on your location and goals one or both may be the best option for your delivery.

Commercial satellite communications provider intelsat is the largest company of its kind in the world. Satellite are mainly wide area broadcast media as transmitter antenna may be designed to provide signals to service areas as small as a city or as large as a country. Terrestrial communication is point to point whereas satellites communication is point to multipoint approach. Most terrestrial based networks never exceed 5 000 miles for a single data packet transaction.

Today romania is using dvb t2 as terrestrial standard but also dvb s s2 and dvb c which is. However recently content delivery via terrestrial fiber has started to shake up the industry. In this interview gerry collins director product management mobile networks shares his insights into how satellite communications can be used to complement telecoms infrastructure with the best most efficient solutions for deployment and how satellite services can support small cell and. The difference is mainly in the modes of transmission.

In the figure the terrestrial network can correspond to the voice data or video signal from a public switching telephone network pstn or from a cellular network. A typical satellite communications system is shown in figure 1 3. Romania started digital terrestrial broadcasting in 2005 but it was virtually unknown by many people in romania due to the lack of content cable tv and satellite tv being far more popular however it was the first platform to deliver hd content. The term terrestrial is used to distinguish this type from the newer technologies of satellite television direct broadcast satellite or dbs television in which the television signal is transmitted to the receiver from an overhead satellite cable television in which the signal is carried to the receiver through a cable and internet protocol television in which the signal is received over an internet stream or on a network utilizing the internet protocol.

A geo satellite with one single antenna can cover about 1 4 th of the earth.