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Topic: Mobile Telephone System

    Note: these results are not from the primary (high quality) database.

Universal Mobile Telecommunications System - Wikipedia, the free encyclopedia Universal Mobile Telecommunications System (UMTS) is one of the third-generation (3G) mobile phone technologies. Precursors to 3G are 2G mobile telephony systems, such as GSM, CDMA, PDC, PHS and other 2G technologies deployed in different countries. Marketing material for UMTS has emphasised the possibility of mobile videoconferencing, although experience in Japan and elsewhere has shown that user demand for Video calls is not very high. en.wikipedia.org /?title=Universal_Mobile_Telephone_System   (2395 words)

UMTS - Universal Mobile Telecommunications System Mobile telecoms Universal Mobile Telephone System: the technology standard to be used in third generation (3G) mobile phones (as expected to roll-out in Japan in late 2000, Europe in 2001 and the US in 2002), and which will permit a very high speed (384Kbs) data connection to the Internet. Universal Mobile Telecommunications System - UMTS is one of the major new third generation mobile communications systems being developed within the framework defined by the ITU to offer broad band multimedia services in addition to basic services such as voice telephony. Universal Mobile Telecommunications System.  A technology considered to be the next generation of GSM.  It allows for wireless data transmissions to mobile units -- usually for Internet applications.  Faster than GPRS, it supports transfer rates up to 2 Mbps.  See also GSM and GPRS. www.auditmypc.com /acronym/UMTS.asp   (802 words)

ABSTRACT A mobile, radio communication system is composed of fixed base-stations[1][4] and mobile handsets or terminals. It was preceded by the first generation NMT mobile telephone network, and the second generation of GSM. UMTS is conceived as a multi-function, multi-service, multi-application digital mobile system that will provide personal communications at rates ranging from 144 kbps up to 2 Mbps according to the specific environment, will support universal roaming, and will provide for broadband multimedia services. www.geocities.com /phstirnemann/abstract.htm   (5657 words)

side.gif Within the next ten years, the UMTS (Universal Mobile Telephone System) is expected to become the dominant mobile system all over the world. Since GSM is the worlds largest system for mobile communication today and also lay the foundation for the future UMTS, it is important to recognize the need to study the methods and tools for forensic analysis of the GSM system. Today GSM is the largest system for mobile communications in the world, and exist on all continents. www.ijde.org /03_spring_art1.html   (6263 words)

02326.000113&ELEMENT_SET=DECL In new mobile telephone systems, the data transmission rates used will be considerably higher than in the present systems due to the wireless remote use of various computer applications. In present mobile telephone systems, the data transmission rates used for both speech and data have been relatively low, and it has been possible to keep the resource problem under control. In systems using the code division multiple access (CDMA) method, in a downlink from a radio network subsystem to user equipment, different users use the same code tree in which the spreading codes used in the system are arranged mutually orthogonally. www.wipo.int /cgi-pct/guest/getbykey5?KEY=00/02326.000113&ELEMENT_SET=DECL   (7210 words)

Privateline.com: Cellular Telephone Basics IMTS or the Improved Mobile Telephone System equipment (and its variants) may still be around in certain countries, not the United States, serving isolated and rural areas not well covered by cellular. This spectrum efficient method contrasts sharply with earlier mobile systems that used a high powered, centrally located transmitter, to communicate with high powered car mounted mobiles on a small number of frequenices, channels which were then monopolized and not re-used over a wide area. Time division systems are now being regarded as legacy technologies, older methods that must be accommodated in the short term future, but ones which are not the future itself. www.privateline.com /Cellbasics/Cellbasics.html   (2233 words)

3G - Wikipedia, the free encyclopedia UMTS (Universal Mobile Telephone System), based on W-CDMA technology, is the solution generally preferred by countries that used GSM, centered in Europe. The services associated with 3G provide the ability to transfer both voice data (a telephone call) and non-voice data (such as downloading information, exchanging email, and instant messaging). They are predicting an operational system for 2005.Here is the TD-SCDMA official site TD-SCDMA Forum[1].Wireless 3G[2] is the portal 3G website in China. en.wikipedia.org /wiki/3G   (694 words)

Evolution of Mobile Communication System Mobile communication technology has evolved along a logical path, from simple first-generation analogue products designed for business use to second generation digital wireless telecommunication system for residential and business environments. In addition to the capacity bottleneck, the utility of first-generation analogue systems was diminished by the proliferation of incompatible standards in Europe. The development of PCS is a global movement, which evolves from the existing second-generation mobile networks to allow new services to be established as well as to facilitate the steady improvement of the existing networks. www.iis.ee.ic.ac.uk /~frank/surp99/article1/mshh97   (1185 words)

United States Patent Application: 0040198365 Indeed, even the proposed "Universal Mobile Telecommunications System 3GPP" standard for advanced packet radio service through wireless telephony networks, as is well known in the art, will not afford a QoS level as high as present-day wireless LAN networks. When the mobile terminal user transitions from the first access node to the second access node, the user receives service in accordance with a secondary PDP context activated by the mobile terminal user. In practice, the mobile terminal user 16 will initially establish the secondary PDP context in the same manner in which the primary PDP context is established as described with respect to FIG. appft1.uspto.gov /netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=/netahtml/PTO/srchnum.html&r=1&f=G&l=50&s1="20040198365".PGNR.&OS=DN/20040198365&RS=DN/20040198365   (3912 words)

Siemens (Video) Universal Mobile Technology System from Siemens means and end to delay - as communication is sped up and access to vital information is just a button press away. Siemens Universal Mobile Technology System will empower users in multiple ways, from seamlessly connecting to their office network while commuting, to monitoring their homes while away. Siemens' Universal Mobile Telephony System makes life a breeze, even when you're far from home. www.ameinfo.com /news/Industry_Talk/Siemens__Video_   (398 words)

Mbango WAP FAQ's Means that your mobile phone automatically sets up communication procedures with different radio base stations when you are on the move. Its main function is to offload the WAP mobile device from a lot of computational layers. Devices, such as laptops, phones, digital cameras, PDAs, even fridges, have to use Bluetooth technology in order to 'talk' to each other, but most manufacturers are currently working on installing Bluetooth so the concept of devices talking to themselves is not just an abstract vision of the future. www.mbango.com /glossary.htm   (595 words)

The PC Technology Guide Europe has settled on the Universal Mobile Telephone System (UMTS), with WCDMA as the chosen 3G protocol. The phenomenal uptake of digital mobile telephony in Japan (over 40 million subscribers by mid-2000) created a situation in which 3G was seen as a way to solve network capacity problems, as well as providing opportunities for new services through enhanced data rates. Unlike in those parts of the world in which GSM is the foundation of present 2G systems, the Japanese PDC system has no scheduled enhancements for bridging the gap to 3G. www.pctechguide.com /30mobcomms_3G.htm   (1064 words)

Gprs and Edge to 3G EDGE was initially developed for mobile network operators who fail to win Universal Mobile Telephone System (UMTS) spectrum. Relatively high mobile data speeds may not be available to individual mobile users until Enhanced Data rates for GSM Evolution (EDGE) or Universal Mobile Telephone System (UMTS) are introduced Rather than dedicating a radio channel to a mobile data user for a fixed period of time, the available radio resource can be concurrently shared between several users. www.3g-generation.com /gprs_and_edge.htm   (1322 words)

UMTS UMTS is one of the Third Generation (3G) mobile systems being developed within the ITU's IMT-2000 framework. It is a realisation of a new generation of broadband multi-media mobile telecommunications technology. The coverage area of service provision is to be world wide in the form of FLMTS (Future Land Mobile Telecommunications Services and now called IMT2000). www.umts-for-less.com   (113 words)

Siemens Implementation of business management systems is growing at a rate of 50 per cent a year. The first SAP R/3 systems focused on enhancing the effectiveness of financial and materials management as well as logistics. Lietuvos Telekomas also placed an order for exchanges with Siemens to build digital EWSD switching systems in 150 localities in Lithuania. www.siemens.fi /annualreview/vk99eng/infor_tietol.html   (850 words)

IEC: Universal Mobile Telecommunications System (UMTS) Protocols and Protocol Testing The first systems offering mobile telephone service (car phone) were introduced in the late 1940s in the United States and in the early 1950s in Europe. The introduction of cellular systems in the late 1970s and early 1980s represented a quantum leap in mobile communication (especially in capacity and mobility). Semiconductor technology and microprocessors made smaller, lighter weight, and more sophisticated mobile systems a practical reality for many more users. www.iec.org /online/tutorials/umts/topic01.html   (1013 words)

FT.com - Special Reports / FTIT June 6 2001 Mobile phone systems such as GPRS (General Packet Radio Service) and UMTS (Universal Mobile Telephone System) or 3G, promise a new world of telecommunications with faster, always-on connections. Mobile phone networks can also increase their data capacity by a factor of two. Mobile phone networks suffer from two major problems when compared with fixed-line networks. specials.ft.com /ftit/june2001/FT3U4ZE5KNC.html   (925 words)

Media Mentions - News & Events - MessageVine - We Are Your Instant Messenger for Desktop, Wireless, WAP, i-mode, and SMS Messaging Emblaze Systems has signed manufacturing agreements for its mobile video chips with both Samsung and Ericsson, but it is unclear which markets these products would address with so few GPRS handsets on the market. But with mobile operators facing bankruptcy as a result of their expensive bids for 3G licenses around Europe and beyond, the industry has failed dismally to deliver this '2.5G' solution. One encouraging aspect of the mobile Internet market is that many players, new and old, are coming to realise that the only way that they are going to make any money is to first concentrate on the business market. www.messagevine.com /news/mm/communicate0501.htm   (2447 words)

Wireless Developer Network - Mobile Wireless Tomorrow Universal Mobile Telephone System (UMTS) is the widely used European name for 3G. Standardization of 3G mobile systems is based on ITU (International Telecom Union) recommendations for IMT 2000. Although both have chosen CDMA as the technology behind the 3G systems, the systems advocated by these two groups are different. www.wirelessdevnet.com /channels/wireless/training/mobilewirelesstomorrow3.html   (820 words)

WirelessReady® Alliance Global System for Mobile Communications is a digital mobile telephone system. UMTS (Universal Mobile Telephone System otherwise called WCDMA is supposedly the universal standard for 3G networks. A wireless communications system for subscribers on foot or in vehicles. www.wirelessready.org /nettech_gsm.asp   (527 words)

IP drives the mobile trading revolution - PC Magazine Barclays is looking to mobile technologies for substantial long-term cost savings and is keeping its options open: its IP-enabled back-office systems are designed to host both GPRS and Wap platforms. In March, it signed a three-year contract with BT's mobile arm BT Cellnet and software giant Oracle, which will result in a "flexible" distribution and middleware system for its applications, according to a Barclays' spokesman. "The Nokia 3G All-IP Core will support all major radio access standards, blurring the difference between the fixed and the mobile network user by combining Nokia carriers' know-how with the most advanced IP architecture," says Lauri Melamies, senior vice president for network systems at Nokia Networks. www.pcmag.co.uk /vnunet/analysis/2131825/ip-drives-mobile-trading-revolution   (933 words)

Equalisation Schemes for Digital Mobile Communications The work has concentrated on the mobile radio channel, and has developed a simulation model of the channel based on that recommended by COST 207 for use in the specifications of the digital mobile radio system GSM. Further, advanced digital cellular systems use coded modulation techniques to increase capacity and reliability, but the performance of these may be severely affected by the multipath channel. Many radio channels, and especially the mobile communication channel, are subject to dispersion due to multipath propagation. www.elec.york.ac.uk /comms/projects/equal-mob.html   (228 words)

Nokia - WCDMA - Technologies - Phones Third-generation mobile telephony or 3G networks such as WCDMA (Wideband Code-Division Multiple Access) and UMTS (Universal Mobile Telephone System) allow for faster data transfer than GPRS and EDGE, and also let you talk while you transfer data. Wideband Code-Division Multiple Access is a relatively new technology for accessing radio channels (where data is exchanged) with mobile devices. WCDMA technology gives you a faster data connection in mobile networks: currently up to 384 kbps.. europe.nokia.com /nokia/0,,62515,00.html   (207 words)

Research Notebook: Telecommunications : Research Notebook : HBS Working Knowledge A table showing country-by-country status of UMTS-2000 (Universal Mobile Telephone System), which covers 3G (third generation) mobile licensing in Europe, provides up-to-date information on awards to telecom companies with date and amount of each award. The ITU Web site is also a source of information on the activities of the organization regarding mobile telephone and telecommunications activities worldwide. As a convenience, some basic country indicators are included, such as population, population density, GDP, and number of telephone subscribers. hbsworkingknowledge.hbs.edu /pubitem.jhtml?id=3846&t=notebook   (286 words)

Dictionary : FUJITSU EMEA UMTS is described as providing "personalised globally accessible high quality mobile communications services" meeting such objectives as integration of fixed and mobile services allowing use of a single terminal, multimedia capability, low cost, and high frequency spectrum efficiency. This means that application programs are more easily ported between different versions of UNIX than between any other proprietary operating systems The key feature of UNIX is that while all versions of UNIX are not the same, it is an open architecture and not proprietary to any hardware vendor. www.fujitsu.com /emea/services/dictionary/u.html   (342 words)

GN Online: UAE well-placed for 3G - Al Owais Ali Al Owais said the government-controlled institution introduced the advanced General Packet Radio Service (GPRS) in January and is planning to carry out a project to set up a UMTS (Universal Mobile Telephone System) network in 2004. The UAE has pumped massive investments to introduce the latest mobile telephone technology that will place it on the way towards the revolutionary third generation of mobile phones, Etisalat's director general said yesterday. "This service and the GPRS system will put the UAE on the way towards the services of the third generation of mobile phones," he told Al Ittihad Arabic language daily. www.gulf-news.com /Articles/print.asp?ArticleID=67432   (220 words)

Mobile Zapp Mobile Zapp Mobile is the only CDMA mobile phone operator in Romania, since the county's market leaders use GSM. There exists other proposals for the ITU-IMT2000 requirements for 3G systems besides UMTS like: CDMA2000 proposed under the American IS standards including 1xEVDO (up to 2 MByte/s data only), 1xEVDV (greater than 2 MByte/s with voice support)and other proprietary systems including iBurst from Arraycom, Flarion and wCDMA-TDD (IPWireless). Verizon Verizon Communications is a Local Exchange Telephone Company formed with the merger of Bell Atlantic and GTE. bonose.com /Mobile.html   (659 words)

Phones, dreams, and the mobile Internet - ZDNet UK Comment They all want to be part of the universal mobile telephone system, UMTS, now known as Third Generation or G3; but the price of a ticket for that runs into billions of dollars. And, because Microsoft's centre of excellence for PDAs is in Scandinavia, not California or Seattle, it knows that mobile data really does work, the way it works in Europe and the rest of the world, and the way it doesn't work in the US. Right now, all the mobile phone network operators are staring ruin in the face. comment.zdnet.co.uk /guykewney/0,39020676,2115683-2,00.htm   (692 words)

TheStreet.com: Mobile Licensing Costs Weigh Heavily on Telecom Stocks Well, not for the mobile telecom operators, whose valuations have been hit after the huge sums paid out for licenses in the recent European Universal Mobile Telephone System (UMTS) auctions. Mobile Licensing Costs Weigh Heavily on Telecom Stocks Markets are suffering from a spate of profit warnings and political uncertainty caused by a number of factors. www.thestreet.com /pf/comment/weekineurope/1104257.html   (763 words)

VoIP Testing, 3G Testing, UMTS Testing, GPRS Testing, CDMA Testing, Analog Testing, Automated Mobile Phone Testing, NGN Testing, Converged Communications Testing NGNs include the convergence of mobile wireless, traditional wireline, and IP networks for voice and data communications. ipNetfusion's EAST® test system is a scalable, data-driven, open platform solution providing a portfolio of customizable test cases. ipNetfusion is a leading provider of sophisticated, user-friendly, and scalable diagnostic systems for the simulation and load test of Next Generation Networks. www.alliancecom.com   (130 words)

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