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| | RFC 3481 (rfc3481) - TCP over Second (2.5G) and Third (3G) Generation Wire |
 | | These may exceed the default IP MTU values of 576 bytes for IPv4 RFC 1191 [6] and 1280 bytes for IPv6 [18]. | | | Accordingly, key issues are TCP performance and the several techniques which can be applied to optimize it over different wireless environments [19]. | | | The loss rate of IP packets is low due to the ARQ, but the recovery at the link layer appears as delay jitter to the higher layers lengthening the computed RTO value. |
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http://www.faqs.org/rfcs/rfc3481.html
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| | EETimes.com - Moto's 2.5G entry challenges TI, Intel in wireless |
| | Moto's 2.5G entry challenges TI, Intel in wireless | | | EETimes.com - Moto's 2.5G entry challenges TI, Intel in wireless | | | The 710 is code-compatible with the Omap1510, which supports multimedia processing functions and which can be separately developed with the TCS2100. |
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http://www.eet.com/story/OEG20010917S0092
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| | 2.5G |
| | CDMA2000's 1xRTT is the first technology for the evolution of cdmaOne 2G networks to 2.5G networks. | | | Another 2.5G technology that is circuit based, High Speed Circuit Switched Data (HSCSD). | | | GPRS represents the first packet-based technology for evolution from 2G GSM networks to 2.5G networks. |
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http://www.mobilein.com/2.5G.htm
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| | 2.5G Will Be Fine, Thank You |
| | Now, 2.5G (either GPRS, EDGE, or CDMA2000 technologies) is seen as a legitimate alternative to 3G. | | | Whitepaper: Managing IT Assets as Performing Contributors to Service Value Learn how BMC Asset Management and Discovery solutions help you optimize your IT assets to meet business requirements and lower costs in the process. | | | With European 2.5G systems costing $3 billion compared to $250 billion for 3G, the "business case for 3G appears to be eroding," said the study. |
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http://itmanagement.earthweb.com/entdev/article.php/881381
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| | Oki Optical Components - 2.5G Pigtailed Laser Diode Family - CWDM DFB Modules |
| | Oki Optical Components - 2.5G Pigtailed Laser Diode Family - CWDM DFB Modules | | | Oki offers 2.5G Fabry-Perot and CWDM lasers which consist of CWDM DFB laser and a back monitor photodiode in a hermetically sealed coaxial package with single fiber. | | | 2.5G Pigtailed Laser Diode Family - CWDM DFB Modules |
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http://www.okioptical.com/fi_25g_trans_pig_fp.shtml
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| | 2.5G network - MobileBurn Forums |
| | Maybe something to do with the PTT technology requires 2.5G data? | | | What’s more, we are the first and only 2.5G network in the country, which enables you to do so. | | | More than 150,000 Orange and Hutch users can immediately use this service. |
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http://forums.mobileburn.com/showthread.php?t=3396
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| | AMD Device Boosts 2.5G, 3G Cell Phones |
| | "No other product on the market today delivers the low-power consumption of this device while simultaneously providing the high throughput needed in advanced 2.5G and 3G phones," said Kevin Plouse, vice president of technical marketing and business development for AMD's Memory Group. | | | So-called 2.5G phones, which are already in use in parts of Europe and Japan, and more advanced 3G phones, currently offered only in Japan, are designed to receive and transmit large amounts of data, enabling phone devices to operate as handheld computers. | | | Advanced Micro Devices on Wednesday announced the availability of a 64Mb flash memory device designed for use in 2.5G and 3G cellular phones that features enhanced power-saving capabilities to extend battery life, a key concern for handheld manufacturers. |
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http://www.eweek.com/article2/0,3959,446523,00.asp
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| | Glossary Search Results |
| | It features digital encoding of voice, and 3G features are slowly being added to form a 2.5G version of digital wireless technology. | | | 2.5G - Second generation wireless technology (2G) with incomplete third generation (3G) technology added to it. | | | What is good for 50 people may not work for 300 people. |
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http://www.geek.com/glossary/glossary_search.cgi?1
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| | 2.5G |
| | The term "second and a half generation" is used to describe 2G-systems that have implemented a packet switched domain in addition to the circuit switched domain. | | | Some protocols, such as EDGE for GSM and CDMA2000 1x-RTT for CDMA, officially qualify as "3G" services (because they have a data rate of above 144 kbit/s), but are considered by most to be 2.5G services (or 2.75G which sounds even more sophisticated) because they are several times slower than "true" 3G services. | | | 2.5G is a stepping stone between 2G and 3G cellular wireless technologies. |
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http://www.worldhistory.com/wiki/2/2.5G.htm
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| | 2.5G service deployments gather momentum |
| | In contrast, the maximum bandwidth supported by 2.5G Code Division Multiple Access (CDMA)-based 1xrtt service to a stationary device is 153K bit/sec. | | | When considering current 2.5G services and future enhancements, important issues include service availability, device throughput, security, application design and price. | | | However, users should have modest expectations regarding phase one 2.5G throughput because the bandwidth experienced with these services under real-life conditions is significantly lower than the maximum. |
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http://www.networkworld.com/columnists/2002/0204eye.html
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| | Wireless Glossary: 2.5G |
| | 2.5G extends 2G systems, adding features such as packet-switched connection and enhanced data rates. | | | Scroll through the terms in the left to find a technology. | | | These networks support WAP, MMS, SMS mobile games, and search and directory. |
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http://portals.devx.com/wireless/Door/11264
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| | The Kerton Group - Publications and Research |
| | 2.5G is a version of wireless technology which is loosely defined as: always on, packet data, and faster than current cellular data flavor of 2.5G offered by ATT will offer speeds of "up to 10 times current rates", and will allow concurrent use of wireless data services and voice services. | | | If ever there was a case for a technology with a need for compelling applications and content, 2.5G is it. | | | The most obvious that comes to my mind is Instand Messaging and other communications apps that can take advantage of a always-on connection. |
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http://www.kerton.com/papers/20010802c.html
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| | Amvac Chemical Corporation - Fortress® 2.5G |
| | Fortress 2.5G is not systemic and will not interact with corn herbicides. | | | Successful growers turn to the same proven technology they have come to rely on for corn rootworm control --Fortress 2.5G Granular Insecticde from AMVAC. | | | Fortress 2.5G rapidly binds to the soil and has very low water solubility, resulting in low soil mobility, which minimizes leaching and runoff potential. |
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http://www.amvac-chemical.com/fortress25.html
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| | The 3G/2.5G Controversy: GSM vs. CDMA - NewMobileComputing.com |
| | Like CDMA2000 1x and every other 2.5G and 3G network, 1xEV-DV will probably be slower than advertised. | | | A lot of it swirls around the term "2.5G," which it seems was coined because wireless operators started developing low-bandwidth data services and calling them 3G, hoping to capitalize on the hype. | | | This was most apparent with GPRS, or Global Packet Radio Service, which is available to many GSM users today. |
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http://newmobilecomputing.com/story.php?news_id=3091
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| | 2.5G - a Whatis.com definition |
| | 2.5G describes the state of wireless technology and capability usually associated with General Packet Radio Services (GPRS) - that is, between the second and third generations of wireless technology. | | | 3GNewsroom.com suggests "Forget 3G, look out for 2.5G instead." | | | SearchNetworking.com provide links to sites related to "Wireless in the Enterprise." |
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http://whatis.techtarget.com/definition/0,,sid9_gci750029,00.html
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| | Bluetooth SoC targets 2.5G/3G handsets |
| | Typical 2.5G and 3G handset applications require just 8 external components: six capacitors, one inductor, and a band pass filter. | | | The chip's Bluetooth EDR mode provides data transfer rates of 2 and 3Mbps, which are double and triple the data speeds of current Bluetooth V1.2 solutions. | | | RF Micro Devices has announced a Bluetooth system-on-chip (SoC) supporting Bluetooth's Enhanced Data Rate (EDR) capabilities, said to provide up to three times faster throughput than current Bluetooth 1.2 devices. |
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http://www.linuxdevices.com/news/NS4083570655.html
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| | Cingular Wireless Delivers 2.5G Services to Seattle Customers |
| | The new 2.5G service is branded as ‘Cingular Internet Express’ offering consumers and businesses alike Internet access of speeds up to 10 times faster than currently available, the company said. | | | This upgraded service gives Seattle customers the flexibility to move between an Internet session and a phone call or a text message without having to abandon their Internet connection. | | | Using a mobile phone or PC, subscribers can take advantage of the portal’s offerings such as calendar, shopping, and e-mail, address book, and instant messaging as well as the latest information on stocks, sports games, and weather. |
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http://www.mobileinfo.com/News_2001/Issue36/Cingular_GPRS.htm
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| | TI expects solid revenue on 2.5G chips CNET News.com |
| | Customers are also acclimating to the additional applications that can be delivered through these networks. | | | TI's projections and current revenue trends indicate that, despite the downturn in the communications market, the move toward faster networks that will be able to deliver voice, streaming media and data is proceeding. | | | The shift toward these networks, long delayed, is the result of a variety of factors, Ayelsworth said. |
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http://news.com.com/2100-1040-894819.html
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| | Company Advances Roaming Across 2.5G, 3G, and WLANs |
| | Roaming across WLANS, and back and forth from 2.5G and 3G networks, is seen as an important step in facilitating the type of transparent, seamless connectivity users will come to expect from next-generation networks. | | | MSS, according to Megisto, enables carriers and mobile operators to increase revenues on a per user basis by creating new services and effectively billing end-users for them. | | | The MSS architecture is intended to take advantage of continuous data connectivity services, like 2.5G and WLANs - and monetize the connectivity by tracking consumption, delivering services and seamless integration with back-end billing and management systems. |
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http://www.wi-fiplanet.com/news/article.php/959481
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| | XChange - Telera, Vialto Introduce “Multimodal” 2/2.5G Apps |
| | Software platform provider Telera and third-party application developer Vialto have voice-enabled Microsoft Exchange/Outlook to give 2G and 2.5G wireless users “multimodal” access to e-mail, calendar and contact information. | | | The SmartMOBILE Suite, which allows end users to use information within their companies’ enterprise when paired with telco services, includes two initial applications — SmartCALL and SmartPDA. |
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http://www.x-changemag.com/hotnews/23h127440.html
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| | broadband » News » P800 - Is it time for a 2.5g phone? - Lets party like its 1989 |
| | Or is there some perverse contention that 2.5G data should be considered Broadband? | | | That is one of the better reviews I have read for the P800, you might want to checkout the Nokia 6800 it is going to have a RIM client later this summer | | | Surely you've noticed that this site deals with a heck of a lot more than just broadband. |
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http://www.broadbandreports.com/shownews/28788
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| | CNN.com - China Mobile has eyes only for 2.5G - June 5, 2001 |
| | A 2.5G upgrade would support much higher data transmission speeds. | | | "As the coming four years will still be the world of 2.5G, China Mobile will be cautious about a rapid transfer to 3G," said Lu. | | | China Mobile deputy director Lu Xiang Dong told the Xinhua news agency that China Mobile's upcoming 2.5G services would enable it to rival the CDMA technology offered by China Unicom. |
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http://archives.cnn.com/2001/BUSINESS/asia/06/05/hk.chinamobile2.5g
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| | Oh gee, here comes 2.5G - Tech Update - ZDNet |
| | Dan Farber and David Berlind deliver daily insights on the business and technology news that matters to enterprise IT. | | | GPRS is the data delivery arm of cellular telephone networks using the Global System for Mobile Communications (GSM) standard, which is at the core of between 70 and 80 percent of the world's telephone networks. | | | Oh gee, here comes 2.5G - Tech Update - ZDNet |
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http://techupdate.zdnet.com/techupdate/stories/main/0,14179,2869946-2,00.html
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| | Unstrung - Convedia Enters 2.5G, 3G - Wireless Networking News Wire |
| | The global information exchange for Data Center managers | | | REGISTER for our new publication focused on putting 802.11 wireless LAN technology to work! | | | Convedia media servers provide the ideal solution for 2.5G and 3G application developers and service providers building IP-based service infrastructures to deliver innovative mobile applications to their subscribers.” |
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http://www.unstrung.com/document.asp?doc_id=47729
(681 words)
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| | Five Leading 2.5G and 3G Mobile Operators in Australia, France, Malaysia, Mexico and Spain Bring SEVEN-Powered Mobile ... |
| | These five operators are innovators in their markets, characterized by fast subscriber and data growth rates and leading 2.5G and 3G networks. | | | REDWOOD CITY, Calif., June 6 /PRNewswire/ -- Today, SEVEN announced commercial partnerships with five leading 2.5G and 3G mobile operators who have chosen its software to provide push-based mobile email to their enterprise and consumer customers. | | | Five Leading 2.5G and 3G Mobile Operators in Australia, France, Malaysia, Mexico and Spain Bring SEVEN-Powered Mobile Email to Market |
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http://www.tmcnet.com/usubmit/2005/Jun/1151625.htm
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| | i.250 Innovative Convergence™ (2.5G) Platform |
| | It offers the lowest system part-count in the industry for mobile communication devices—as few as 125 components vs. 250 or more in competing solutions—to produce best-in-class system cost. | | | The i.250 Innovative Convergence platform is a comprehensive silicon-to-software solution designed to enable manufacturers to get to market quickly with smart, 2.5G GSM/GPRS wireless products. | | | Freescale > Wireless > i.250 Innovative Convergence™ (2.5G) Platform |
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http://freescale.com/webapp/sps/site/overview.jsp?nodeId=02M0ylfXPgQM109z14Hj
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| | CNN.com - AT&T Wireless launches 2.5G with limitations - July 20, 2001 |
| | However, while the initial deployment gives the company bragging rights, the actual implementation does have a number of severe limitations. | | | (IDG) -- AT&T wireless, spun off from AT&T as an independent company earlier this month, got off to a roaring start by announcing this week that it is the first wireless network provider to deploy 2.5G (Generation) service. | | | CNN.com - AT&T Wireless launches 2.5G with limitations - July 20, 2001 |
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http://archives.cnn.com/2001/TECH/ptech/07/20/ATT.wireless.idg
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| | broadband » News » Still Hyping 2.5G - Cingular, meet wall, writing |
| | Cingular and AT&T Wireless are in an interesting spot; their respective (soon to be collective) EDGE offerings barely scrape 130kbps for around $80 a month, while Nextel's Flash OFDM (1.5Mbps at $75 a month) and Verizon's EvDO (300-500kbps at $80 a month) networks are slowly heading nationwide in billion dollar deployments. | | | News » Still Hyping 2.5G - Cingular, meet wall, writing | | | I hope Cingular and ATT execs can dump some of their options and buy some Nextel stock. |
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http://www.broadbandreports.com/shownews/42651
(742 words)
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