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Topic: Advanced Mobile Telephone System

	Advanced Mobile Phone System - Wikipedia, the free encyclopedia
		Advanced Mobile Phone System (AMPS) is the analog mobile phone system standard developed by Bell Labs, and officially introduced in the Americas in 1984.
		Though analog is no longer considered advanced at all, the relatively seamless cellular switching technology AMPS introduced was what made the original mobile radiotelephone practical, and was considered quite advanced at the time.
		These cells are what made the AMPS system successful because they allowed for frequency reuse so that many people could reuse the same channel in different parts of the system without interference.
	en.wikipedia.org /wiki/Advanced_Mobile_Phone_System (1297 words)

	The Early Mobiles (Site not responding. Last check: 2007-10-19)
		The Nordic Mobile Telephone system (NMT) was put into public service at the turn of the year 1981/82.
		The mobile telephone exchange, a computer operated digital exchange, automatically registered where the cellphone was located.
		The NMT system was equipped with several advanced functions, that were part of the ordinary telephone network later.
	www.angelfire.com /nd/museum/earlymob.html (241 words)

	Telephone - Wikipedia, the free encyclopedia
		Unlike a mobile phone, a cordless telephone is considered to be landline because it is only useable within a short distance of a small personal or domestic base station connected to a fixed phone line.
		The very early history of the telephone is a confusing morass of claim and counterclaim, which was not clarified by the huge mass of lawsuits which hoped to resolve the patent claims of individuals.
		Some mobile telephones, especially those used in remote locations, where constructing a cell network would be too unprofitable or difficult, instead communicate directly with an orbiting satellite.
	en.wikipedia.org /wiki/Telephone (2116 words)

	Radio Glossary
		When a portable or mobile telephone user crosses from one cell to another while talking, a central computer in the cellular system automatically reroutes the conversation from one transmitter to another, eliminating interference between callers and allowing each channel to be used several times simultaneously.
		Telephone interconnect and intercity channels are used in the conventional mode.) Because of their efficient use of limited frequencies, trunked systems have become the standard in public safety communications.
		On trunking systems, no agency uses a single frequency: Instead, several frequencies are utilized and either multiple agencies, or multiple divisions of a single large agency, operate in separate "fleets" and "sub-fleets" where units only hear the radio traffic of their own division by means of computer-controlled technology.
	gary.burkett.org /Glossary.html (2456 words)

	AMPS - Advanced Mobile Phone System
		Advanced Mobile Phone System - an analog mobile phone network that is used mainly in the US and also Latin America, Australia, New Zealand, parts of Russia and Asia-Pacific Back to the top.
		Advanced Mobile Phone Service: The term used by ATandT's Bell Laboratories (prior to the break-up of the Bell System in 1984) to refer to its cellular technology.
		Advanced Mobile Phone Service: The analog cellular air interface standard used in the United States and other countries.
	www.auditmypc.com /acronym/AMPS.asp (528 words)

	Advanced Mobile Phone System - tScholars.com (Site not responding. Last check: 2007-10-19)
		It was later replaced by the newer Digital TDMA systems, such as Digital AMPS and GSM, which brought improved security as well as increased capacity.
		Nordic Mobile Telephone system (NMT) is another analogue cellular standard that was widely used in Europe mainly in the nordic countries (Norway Denmark Sweden).
		The NMT system was set in use in the early 1980's and is now completely replaced by GSM and WCDMA.
	www.tscholars.com /encyclopedia/TACS (1370 words)

	Introduction to Mobile Telephone Systems
		This book explains the different types of mobile telephone technologies and systems from 1st generation analog to 3rd generation digital broadband.
		Mobile telephone technologies, systems, and services have dramatically changed over the past 2 years.
		Some of these changes include the increase in mobile telephone customers from 300 million to 1.3 billion customers within 5 years and the shift of focus from adding new voice customers to providing advanced services such as data transfer, web browsing, and software downloads.
	www.althosbooks.com /intomotesy1g.html (547 words)

	Mobile radio telephone Biography,info (Site not responding. Last check: 2007-10-19)
		These early mobile telephone systems can be distinguished from earlier closed radiotelephone systems in that they were available as a commercial service that was part of the public switched telephone network, with their own telephone numbers, rather than part of a closed network such as a police radio or taxi dispatch system.
		These mobile telephones were usually mounted in cars or trucks, though briefcase models were also made.
		Typically, the transceiver (transmitter-receiver) was mounted in the vehicle trunk and attached to the "head" (dial, display, and handset) mounted near the driver seat.
	www.danceage.com /biography/sdmc_0G (257 words)

	CDMA - The real meaning from Timesharetalk wikipedia (Site not responding. Last check: 2007-10-19)
		The latter system was designed and built by Qualcomm, and became the seed which helped Qualcomm engineers to invent Soft Handoff and fast power control, the necessary technologies that made CDMA practical and efficient for terrestrial cellular communications.
		TDMA systems must carefully synchronize the transmission times of all the users to ensure that they are received in the correct timeslot and do not cause interference.
		If a mobile device reaches the edge of the cell currently serving its call, it is told to break its radio link and quickly tune to the frequency of one of the neighbouring cells where the call has been moved by the network due to the mobile's movement.
	www.timesharetalk.co.uk /wiki.asp?k=CDMA (2610 words)

	The Wireless Network Evolution > 1 Evolution of Mobile Cellular Networks (Site not responding. Last check: 2007-10-19)
		The reverse channel is used for transmissions from mobiles to base station, using frequencies between 824-849 MHz.
		Third-generation mobile systems are faced with several challenging technical issues, such as the provision of seamless services across both wired and wireless networks and universal mobility.
		Advanced multiple access techniques are also being investigated, and two promising proposals have evolved, one based on wideband CDMA and another that uses a hybrid TDMA/CDMA/FDMA approach.
	www.phptr.com /articles/article.asp?p=26330 (1139 words)

	Optiset Advanced Phone for Siemens HiCom Telephone System
		system handset is available as a refurbished phone only.
		In addition to the features of the optiset E standard, the optiset E advance models have two adapter slots.
		The optiset E advance conference boasts a new extended handsfree facility of outstanding quality that is as clear as using the handset.
	www.westlake.co.uk /Optiset_Advanced.htm (155 words)

	Long-Haul Transmission Systems, Sect. 2
		The system was designed with the capability to operate over commercial or military transponder based satellite systems in X (DSCS), C and Ku (commercial) SHF frequency bands utilizing one transmit carrier and three receive carriers.
		While PCS was originally envisioned as an advanced mobile telephone system based on a microsell architecture, market forces are driving it in the direction of a system similar to digital cellular but operating at higher frequencies.
		Realization of the global PCS system will depend on establishing unternationally recognized standards, international agreements regarding use authorizations (completion of the ITU frequency coordination does not provide a guarantee that the satellite system will be authorized to provide space segment capacity for use in any particular country).
	www.fas.org /spp/military/docops/army/tmpl/longhau2.htm (12420 words)

	Privateline.com Mobile Telephone History: Page 4
		Although not related to the mobile telephony of today, Bell's experimenting was a first: radiated electromagnetic waves had carried the human voice.
		She would hook them over a pair of telephone wires, seeking a pair that were free.
		Now, telephone companies themselves had portable telephones before this, especially to test their lines, and armed forces would often tap into existing lines while their divisions were on the move, but I still think this is the first regularly occurring, authorized, civilian use of a mobile telephone.
	www.privateline.com /PCS/history4.htm (1937 words)

	Privateline.com Mobile Telephone History: Page 9
		As David Crowe explains, "It provides much better rural coverage, although its capacity is low." You had, in other words, a system employing frequency reuse, the defining principle of cellular, but no handoffs between the large sized cells.
		All systems used analog routines for sending voice, signaling was done with a variety of tones and data bursts.
		The Bell System divestiture caused nations around the world to reconsider their state owned and operated telephone companies, with a view toward fostering competition in their own countries.
	www.privateline.com /PCS/history9.htm (1641 words)

	KX-TA624-5 Advanced Hybrid Telephone System (Site not responding. Last check: 2007-10-19)
		Hybrid telephone systems work with standard telephone lines, so you never need to upgrade your phone service when your needs increase.
		Connect many types of single-line telephone devices such as answering machines, cordless phones, fax machines and computer modems directly to the system without the need for additional cards or modules.
		System display phones can show the name and number of an incoming caller, even if you're on another call.
	www.affordablephones.net /ProductDetail.asp?ID=1138 (1858 words)

	translation, translate, dictionary, cell, mobile, Finnish, Bosnian, translation, translate, translator
		MobileTran™ is both a translator and a dictionary in a mobile phone-cell phone which provides different ways of translating, depending on the way it is used.
		MobileTran™ is the first mobile telephone-cell phone translation service to be offered in the world that translates singles words, phrases, sentences and web pages from one language to another.
		It utilises advanced mobile telephone-cell phone technology coupled with our unique translation technology to provide a cheap and easy to use mobile telephone-cell phone translation service.
	www.tranexp.com /win/MobileTran.htm (350 words)

	WIRELESS PHONE SYSTEM
		is possible to have an extensive cordless phone system with advanced...
		Interface - The operating system that a wireless phone is on.
		system features are wanted, but the office is on a budget.
	system2.wirr.biz /index4.aspx (487 words)

	Home Security - Home Alarm Systems, Burglar Alarms, Home Automation, Security Systems
		Install the same professional security alarm systems that professional alarm system installers use.
		Our multi-room audio / video distribution systems range from basic impedence matching volume controls and speakers to advanced music systems with slick remote keypads and touchscreens to select and control different audio / video sources in different rooms at the same time.
		Our compurterized home management systems will warm the house a few minutes before you wake up in the morning, start the coffee and even select your favorite newscast.
	www.bassburglaralarms.com (604 words)

	Telephones - TelephoneSystems.info
		Comprehensive selection of voice mail systems from 2 ports to 24 ports for any...
		Key systems for small, mid-size and large hotels, motels and inns.
		Tools and equipment used to install telephone and data cabling and other systems.
	www.telephonesystems.info (370 words)

	[No title]
		700 MOBILE TELEPHONE SUBSCRIBERS), DUE LARGELY TO LIMITAIONS IMPOSED BY SPECTRAL OVERCROWDING.
		LAND MOBILE COMMUNICATIONS HAS SEEN A 10-12% ANNUAL GROWTH RATE FOR THE PAST TWO DECADES THE RESULT IS THAT THE 40,150,450 MHZ BANDS ARE OVER CROWDED.
		ADVANCED MOBILE TELEPHONE SYSTEM IN 1979 AT&T BEGAN TEST MARKETING ITS VERSION OF A CELLULAR TELEPHONE SYSTEM IN CHICAGO,ILL. THIS SYSTEM IS CALLED ADVANCED MOBILE TELEPHONE SYSTEM (AMPS) SOME 2100 SQ MILES OF THE METRO CHICAGO AREA ARE DIVIDED INTO 10 CELLS TO SERVE APPROX.
	www.textfiles.com /phreak/CELLULAR/cellufon.phk (678 words)

	funSMS.net - Short Messaging Service (SMS) & Cell Phones Portal - Free SMS
		Short Messaging Service, otherwise known as text messaging, mobile messaging, or alphanumeric paging is a digital cellular network feature.
		It lets you send short text and numeric messages to and from digital cell phones, cell phones and e-mail addresses, as well as cell phones and public SMS messaging gateways on the Internet.
		Mobile phone use and risk of glioma in adults: case-control study
	www.funsms.net (162 words)

	METHOD FOR CARRYING OUT FINANCIAL TRANSACTIONS BY MEANS OF A MOBILE TELEPHONE SYSTEM (EP0669031B1)
		Advanced: G06Q 20/00; G07F 7/00; G07F 7/08; H04M 17/02;
		The object of the invention is a system and a method for utilizing card operated mobile stations, especially utilizing the service card of the GSM-network's SIM-card containing the SIM-unit, favorably in different electronic service systems demanding high data protection.
		The object of the invention is a method for utilizing card operated mobile stations, especially utilizing the service card of the GSM-network SIM-card containing the SIM-unit, favorably in different electronic service systems demanding high data protection.
	www.delphion.com /details?pn=EP00669031B1 (154 words)

	Computer Science Seminar - PCS II
		Mobility, Cantel) System (Iridium) terrestrial cellular low earth orbit mini cells mini-macro cells in motion reusable channels reusable channels low transmission power low transmission power propag.
		Analog systems world-wide cordless telephone CT, CT1, no roaming Digital systems Europe CT2, DECT (Digital European cordless tel.) roaming North America PACS (Personal access communic.
		system by ETSI) FPLMTS (Future public land mobile telecomm.
	www.cs.unb.ca /profs/bjkurz/docpcs2t.htm (1057 words)

	CIA - The World Factbook -- Field Listing - Telephone system (Site not responding. Last check: 2007-10-19)
		domestic: the system is digitalized and highly automated; trunk services are carried by fiber-optic cable and digital microwave radio relay; a program for fiber-optic subscriber connections was initiated in 1996; heavy use is made of mobile cellular telephones
		domestic: new telephone exchanges provide a large capacity for new subscribers; trunk traffic is carried by microwave radio relay, coaxial cable, and open-wire and fiber-optic cable; a cellular telephone system operates throughout Kuwait, and the country is well supplied with pay telephones
		domestic: 90% of telephone network is automatic; liberalization in 2003 is transforming telecommunications; there has been 20% growth in fixed lines with a penetration rate of 58% of households; nation-wide wireless service is growing even faster with four major providers and a penetration rate of 32%
	www.cia.gov /cia/publications/factbook/fields/2124.html (10069 words)

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		Libarro World is a reality where Kerry, Clinton, Kennedy and Dean set out to defeat their imperfect duplicates (Lt Kerry, Miss Rodham, Teddie and the ultra-genius Deaniac) by exploiting a fatal weakness caused by a Berkeley professor’s flawed duplication ray.
		SoftCo Engineering Systems Inc. (http://www.softcosys.com), developer of the S-MAN CAD Standards Development System and Stan Convert, a drawing file conversion program, announced today it is putting its software product line up for acquisition.
		Only 3% felt that their companies have performance management systems that allow them take quick action to deal with poor performers.
	www.prweb.com (2332 words)

	The World Factbook 2004 -- Field Listing - Telephone system
		This entry includes a brief characterization of the system with details on the domestic and international components.
		general assessment: telephone density in Algeria is very low, not exceeding five telephones per 100 persons; the number of fixed main lines increased in the last few years to a little more than 2,000,000, but only about two-thirds of these have subscribers; much of the infrastructure is outdated and inefficient
		domestic: the existing system of multi-conductor cables is gradually being replaced by fiber-optic cables; the density of cellular telephone traffic is rapidly increasing and further modernization of the system is expected in 2001, with the introduction of the third generation of the Global System for Mobile Communications (GSM)
	www.brainyatlas.com /fields/2124.html (9529 words)

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		For our standard product line, we have batteries and battery packs available for digital camera, camcorder, laptop computer, cordless telephone, cellular telephone, two-way radio, cordless power tool, and many other applications.
		For charging solutions, we stock a variety of personal chargers and can supply industrial gang chargers for commercial applications.
	www.batteryprice.com (960 words)

	Narrowband Advanced Mobile Phone System (NAMPS) - Cell Phone Glossary - Mobiledia
		Narrowband Advanced Mobile Phone System (NAMPS) - Cell Phone Glossary - Mobiledia
		Home > Cell Phones > Cell Phone Glossary > Narrowband Advanced Mobile Phone System (NAMPS)
		Narrowband Advanced Mobile Phone System (NAMPS) - Combines cellular voice processing with digital signaling, increasing the capacity of AMPS systems and adding functionality.
	www.mobiledia.com /glossary/173.html (75 words)

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