Tele Communication

TELECOMMUNICATION, no doubt is one of the fastest growing industries not only in India… but also all around the globe. As cellular phones have replaced outdated wireline systems, therefore there is an explosive growth in the field of   communication that suggests a bright and a stupendous future for engineers in the field of Telecom.
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.

Comments

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