4G Technology

4G refers to the fourth generation of cellular wireless standards. It is a successor to 3G and 2G families of standards. The nomenclature of the generations generally refers to a change in the fundamental nature of the service, non-backwards compatible transmission technology and new frequency bands. The first was the move from 1981 analog (1G) to digital (2G) transmission in 1992. This was followed, in 2002, by 3G multi-media support, spread spectrum transmission and at least 200 kbit/s, soon expected to be followed by 4G, which refers to all-IP packet-switched networks, mobile ultra-broadband (gigabit speed) access and multi-carrier transmission

Technology makes new life in this world. Communication systems are the major part in our technology. 3G communication systems are still facing many problems in communication network. 4G technology “Fourth Generation communication systems” are the new latest technology which deals with networking and communication systems. Mean while these 4G technology giving solutions for problems of 3G systems.

The standard applications of 4G communication systems to expand a wide range of new latest services like wireless communications. Depending upon data rates it introduces different types of wireless broadband communications systems.

“MAGIC” is the word which gives u proper definition of 4G communication systems. MAGIC – “Mobilemultimedia, anytime anyplace, Global mobility support, integrated wireless solution, and customized service”.One of the main parts of 4G Communications systems are “cellular broadband wireless access systems” showing much interest to developing the mobile communication technology.

New technologies always replace the old one technology. Like the way in future 4G communication systems occupies new place in wireless communication systems by replacing 3G systems. By using 4G systems we can access huge amount of data from anywhere at any time to wide range of information and services.

The main functions of 4G systems are to handle huge amount of data, pictures, etc. the main future vision of 4G systems are to maintain and develop the different types of networks using IP -internet protocol as single protocol. Because of this service we can access every technical application.

Every time Latest technologies will focus on business expectations. 4G systems and its applications make growth in the consumer and business development. Survey of Japan local papers says that few top countries are Japan, china, and South Korea are that they decided to work on developing new technologies such as 4G mobiles. Few days back one meeting was happened in Seoul in March with officials from the above countries, they decided to work and share information on developing 4G mobile phones.

4G mobile phone technology supports IPv6 – “Internet Protocol version 6 and provides faster communication speeds “100 mbps “, capacity and diverse usage formats. These formats would support for other public networks such as optical fiber and wireless local area networks.

4G is now currently an ideal. Still, some technology companies they are incorporating latest technical advances into cellular technology. They use to calling “3.5G” techno. Someday this 4G networks may replace all existing 2.5G and 3G technologies .