Wednesday, February 19, 2020

Does Telecommunications Include Internet

As compared to other countries, In India, there are about 920 million telecom subs cribers in which 12 million subscribers are added every month. Whereas in the entire Middle East and Saudi Arabia have around 24 million subscribers. This shows that India is the best option to pursue your career in Telecom industry.
Wireless communication has undergone a tremendous enlargement and growth in technology with the potential to provide high speed, high quality information exchange between devices which are anywhere in the world. There is a wide and remarkable history of mobile communication technology. Wireless technology has developed from 1st generation (1G) to 4th generation (4G), and now even 5G is coming in the picture.
Basically 1G is the analog cellular mobile communication network in the time period of middle of 1970s to the middle of 1980s. The best examples of 1G mobile communication systems are AMPS, TACS, NMT etc. But in 1G, the frequency spectrum was not utilized completely. In fact there were limited types of services in 1G and most important of all, the speed of data services were quite low. So, due to these typical drawbacks of first generation technology, the digital mobile communication technologies emerged, which completely replaced the analog communication technology. And then in 1990s, finally 2G came into being whose technologies are GSM and IS-95.
The GSM (Global System for Mobile Communication) is originated from Europe and it was based on TDMA ( time division multiple access). The IS-95 was the CDMA (code division multiple access) technology. The CDMA System has a very large capacity and is somehow better than GSM. As the security of data is more in CDMA as compared to GSM.  But as we know, every technology comes with flaws, it can be minor or even major. So even 2G mobile communication systems also had some shortcomings, which were that 2G supports only voice services and low speed data services.

3 comments:

  1. This way my pal Wesley Virgin's autobiography launches with this SHOCKING and controversial VIDEO.

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