3G
hideInternational Mobile Telecommunications-2000 (IMT-2000), better known as 3G or 3rd Generation, is a family of standards for wireless communications defined by the International Telecommunication Union, which includes GSM EDGE, UMTS, and CDMA2000 as well as DECT and WiMAX. Services include wide-area wireless voice telephone, video calls, and wireless data, all in a mobile environment. Compared to 2G and 2.5G services, 3G allows simultaneous use of speech and data services and higher data rates (up to 14.4 Mbit/s on the downlink and 5.8 Mbit/s on the uplink with HSPA+). Thus, 3G networks enable network operators to offer users a wider range of more advanced services while achieving greater network capacity through improved spectral efficiency.
The International Telecommunication Union (ITU) defined the third generation (3G) of mobile telephony standards – IMT-2000 – to facilitate growth, increase bandwidth, and support more diverse applications. For example, GSM (the current most popular cellular phone standard) could deliver not only voice, but also circuit-switched data at download speeds up to 14.4 kbps. But to support mobile multimedia applications, 3G had to deliver packet-switched data with better spectral efficiency, at far greater speeds.[dubious – discuss]
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News tagged with 3g
Shop before you sign a data contract for a netbook
Electronics / Consumer & Gadgets
Dec 04, 2009 |
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Netbooks with built-in 3G wireless Internet access are all the rage this holiday season. But before you sign on the dotted line at your local AT&T or Verizon Wireless store and commit yourself to a two-year contract, consider ...
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AT&T, Verizon end lawsuits over cell ads
Dec 02, 2009 |
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(AP) -- AT&T Inc. and Verizon Wireless agreed Wednesday to end lawsuits accusing each other of lying in TV ads, taking their rivalry out of the court system for now.
AT&T to release cellphone with optional projector
Electronics / Consumer & Gadgets
Dec 01, 2009 |
4.3 / 5 (6) |
1
If cellphones with built-in video projectors are going to take the country by storm, then Dallas will be at the eye of the hurricane.
Hearst looks to digital readers of the future
4 hours ago |
5 / 5 (1) |
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With an eye on the readers of the future, US publisher Hearst Corp. announced plans Friday to launch a digital newsstand, advertising service and electronic reader for newspapers and magazines.
Tech accessories can spice up holiday list
Electronics / Consumer & Gadgets
Dec 04, 2009 |
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As much as I love buying big-ticket items such as TVs, computers, cell phones and cameras, I also love buying accessories for those items just as much, maybe even more.
GPS cell phone apps challenge standalone devices
Electronics / Consumer & Gadgets
Nov 28, 2009 |
3.6 / 5 (5) |
3
(AP) -- The growth of cell phones with global-positioning technology is making life uncertain for the makers of personal navigational devices that help drivers figure out where they are and where to go.
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