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4G Last modified: Sunday, January 04, 2009
Short for fourth generation, 4G is an ITU specification that is currently being developed for broadband mobile capabilities. 4G technologies would enable IP-based voice, data and streaming multimedia at higher speeds and offer at least 100 Mbit/s with high mobility and up to 1GBit/s with low mobility (nomadic). 4G is an IP-based and packet-switched evolution of 3G technologies (such as WCDMA, HSDPA, CDMA2000 and EVDO) that uses voice communications. A number of technologies considered to be 4G standards include Long Term Evolution (LTE), Ultra Mobile Broadband (UMB) and the IEEE 802.16 (WiMax) standard. While 3G is defined by ITU as IMT-2000, IMT-Advanced is being studied by ITU as 4G. IMT is now used as the generic name for 3G and 4G. See "Technology Terms to Know for 2009" in the Did You Know...? section of Webopedia. Sponsored listings Connectivity Software for Enterprise and Service Providers - Smith Micro has an unrivaled portfolio of security and network connectivity applications for laptops and mobile devices.
Enterprise VoIP Planet The IT Manager's Guide to Voice over IP ITU Approves New 4G Specs The International Telecommunication Union, Radiocommunication Sector (ITU-R) has re-ignited the technology tussle between so-called 4G technologies Long-Term Evolution (LTE) and WiMax by approving the technical requirements for next-generation mobile broadband technology, IMT-Advanced. Webopedia's Quick Reference Section Use this Webopedia reference section for information on common Internet and computer facts and occurrences. Wi-Fi Planet 802.11 news, commentary and information. WiMAX Forum Home page for the forum working to facilitate the deployment of broadband wireless networks based on the IEEE 802.16 standard by helping to ensure the compatibility and inter-operability of broadband wireless access equipment. WiMAX, 4G, and the Enterprise With the September launch in Baltimore of Xohm (now called "Clear"), the WiMAX-powered mobile broadband wireless service from Sprint and Clearwire, the 4G era has, unofficially at least, begun. Wireless Games The Next Internet Goldmine Whether or not wireless games will be the killer application of tomorrow, as Datamonitor puts it, it will be the next Internet goldmine for entrepreneurs.	Related Categories Mobile Computing Mobile Phones Wireless Computing Related Terms 3G CDMA CDMA2000 EVDO HSDPA IEEE 802 standards ITU UMB WiMAX Shopping 4G Products Compare Products,Prices and Stores Shop by Category: Random Access Memory (RAM) 384 Model Matches Memory Cards 317 Model Matches Cosmetics 205 Store Offers MP3 Accessories 1260 Model Matches Laptops 276 Model Matches