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3G technology was the result of research and development work carried out by the International Telecommunication Union (ITU) in the early 1980s. 3G specifications and standards were developed in fifteen years. The technical specifications were made available to the public under the name IMT-2000.
While 3G was embraced by several countries at the beginning of the millennium, it was introduced to India somewhat later. The first network to make mobile internet browsing hassle-free was 3G. Even though it is sluggish those days, it is still sufficient for watching films and streaming music.
2G, understood as GSM and CdmaOne, has been superseded by newer technologies such as 3G (UMTS / CDMA2000), 4G (LTE / WiMAX) and 5G . However, 2G networks were still available as of 2023 in most parts of the world, while notably excluding the majority of carriers in North America, East Asia, and Australasia. [5] [6] [7]
An alarm-industry lobbying group estimates that 1.5 million customers still need to upgrade their fire or burglar alarms, while about half a million have medical alert devices that run on 3G; it ...
It should not be confused with 3rd Generation Partnership Project 2 (3GPP2), which developed a competing 3G system, CDMA2000. [ 4 ] The 3GPP administrative support team (known as the "Mobile Competence Centre") is located at the European Telecommunications Standards Institute headquarters in the Sophia Antipolis technology park in France.
The transition to the new band plan is still ongoing as of August 2016 although it's reaching its final stages. [7] Citizens Broadband Radio Service (CBRS) is the first shared access band available to the carriers. Unlike other bands listed above carriers do not have to buy exclusive access licenses to use the band.
The performance of each technology is determined by a number of constraints, including the spectral efficiency of the technology, the cell sizes used, and the amount of spectrum available. For more comparison tables, see bit rate progress trends , comparison of mobile phone standards , spectral efficiency comparison table and OFDM system ...
3G (Global Growth Generating) countries are 11 countries which have been identified as sources of growth potential and of profitable investment opportunities. Background [ edit ]