The mobile phones which were launched for 1st Generation are called “1G”, the 1G system were introduced in 1980’s, these cell phones were large in size not in perfect shape, in other words they could not be carried with you, you have to place them in vehicle, and transmitted across an analogue signal. It was quiet inconvenient to carry these phones with them due to their large size, approximately after ten years cell phones were introduced for the 2nd Generation, referred as “2G”,this technology was introduced in 1990’s, which provides digital signals, service of text messaging or SMS (Short Message Service) was provided to the viewer. The mobiles introduced were better than before and gives preferably good looks. As the rise in technology and human searching for more and more reaches to 3G in 1998 and 4G was launched in 2008.
What is 3G?
It actually stands for “Third Generation“. This technology is based on the set standards for mobile phone, by this technology you can have coverage of text messages, voice calls and also gives fast access to the internet. It has capability to carry larger amount of data, 3G finds application in wireless voice telephony, mobile internet access, fixed wireless internet access, video calls and mobile TV. It is a new generation of cellular standards after 1G and 2G. The mobiles used for this are called “Smartphones”, This technology cannot be used on the cell phones made for 1G and 2G. This opened up paths for new mode of communication, video calling enabled for 3G. On this we can download audio, video in excessive amount.
What is 4G?
It actually stands for “Fourth Generation“, it is the fourth generation of mobile telecommunication technology, launched in 2008, succeeding 3G and preceding 5G. A 4G system in addition to the usual voice and other services of 3G, provides mobile broadband internet access, for example to laptops with wireless modems, to smart phones, and to other mobile devices. Potential and current applications include amended mobile web access, IP telephony, gaming services, high definition mobile TV, Video conferencing, 3D television, and cloud computing.
- 3G has data throughput range up to 3.1 Mbps with an average speed range between 0.5 to 0.15 Mbps. On The Other Hand. 4G provides 12 to 16 Mbps but estimated to do much more than it. 3G provides peak upload rate of 5 Mbps and 4G provides it of 500 Mbps.
- The switching technique for 3G is packet switching and 4G has message switching along with packet switching.
- The services and applications in 3G are CDMA 2000, UMTS, EDGE etc, and 4G has Wimax2 (first used in South Korea) and LTE-Advance (First used in Oslo, Norway).