1. About us: 4G stands for Fourth Generation phrase - that is the quaternary extension of intercommunicate receiver communications technology.It is similar to 2G (2nd Generation) and 3G (3rd generation) is be implemented. The researchers sullen to mobile information systems fourth generation (4G) to make the be problems in the third generation mobile systems (3G). It is providing the types of service arrive more diverse, high-quality voice signal-to high-resolution video signal, the radio personal credit line high-speed data. 4G concept is widely utilize not precisely boothular telephone systems however withal include another(prenominal) types of telecommunication systems broadband wireless access. One of the scathe used to describe 4G is MAGIC: Mobile multimedia, Anytime anywhere, Global mobility pay, compound wireless solution and Customized personal service. As a annunciate for the future, 4G systems is the cell radio access system bandw idth, has been a major botheration of the field of mobile communication. 4G services not just now software documentation the next generation mobile communication, but also support the fixed wireless networks. 2. Development substructure: Life history and development of mobile services from the source generation 1G to 4G generation through many different stages: [pic] [pic] |Techonogy |1G |2G |2.
5G |3G |4G | | number began ! |1970 |1980 |1985 |1990 |2000 | |Implementation |1984 |1991 |1999 |2002 |2007 | | serve |Analog voice, synchronous |Digital voice, succinct |higher(prenominal) capacity, |Higher capacity, broadband|Higher capacity, | | |data to 9.6 Kbps...If you want to deal a full essay, order it on our website:
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