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Topic: Personal Handyphone System

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	PHS: Personal HandyPhone System
		Personal HandyPhone System (PHS) was developed in Japan as a cordless telecommunication system operating within the band 1895MHz to 1918MHz.
		PHS is a lightweight portable wireless telephone that functions as a cordless phone in the home and as a mobile phone elsewhere.
		The Personal Handyphone also handles voice, fax, and video signals.
	www.javvin.com /wireless/PHS.html (52 words)

	Low-Tier Wireless Local Loop Radio Systems Part 2: Comparison of Systems
		The PACS radio system was shown to have a lower cost for comparable coverage than the PWT-E system for all but the highest extremes of service penetration and high-density subscriber assumptions.
		Figure 2 shows the variation in the total number of RPs required for both geographic and traffic coverage for the PWT-E and PACS systems for the Miami and Jacksonville low tier coverage areas as the penetration of WLL was assumed to vary from 0 to 100 percent, with a corresponding variation in mobility traffic.
		For the PWT-E system, on the other hand, the initial deployment of RPs for geographic coverage represents far higher capacity than is needed for traffic throughout the study period, and therefore the number of RPs required remains constant up to a WLL penetration of about 60.
	www.comsoc.org /~ci/private/1997/mar/Wilkes2.html (4094 words)

	Verizon Learning Center - Wireless Technology - Personal Communication Networks - Page 3 of 5
		Personal Handyphone System (PHS) is an open standard formulated in Japan for personal communications services.
		PHS was originally developed in response to a need for a digital cordless telephone system and a compatible second tier public mobile system.
		Personal Communication Networks will also make use of a combination of micro-cellular radio techniques and Advanced Network Intelligence to provide infrastructure to support a mass market for low power, lightweight and inexpensive pocket radio telephones.
	www22.verizon.com /about/community/learningcenter/articles/displayarticle1/0,1727,1154z3,00.html (446 words)

	[No title]
		PHS builds upon similar low cost mobile systems such as the United Kingdom's CT-2 system to bring about a highly reliable, low-cost cordless telephone system that is fully digitized throughout its operation.
		However, as the system is designed for both outdoor and indoor use, users will be able to make and receive calls while inside underground shopping centers and other facilities that often cause interference to cellular phones.
		Furthermore, as the system makes use of land lines for switching calls between different cell areas the quality of transmissions is extremely high with little indication that one is using a cordless phone.
	massis.lcs.mit.edu /archives/reports/japan.personal.handyphone (3325 words)

	Verizon Learning Center - Wireless Technology - An Overview - Page 3 of 6
		The Japanese equivalent to DECT is PHS (Personal Handyphone System), however from the outset, it was developed as a public access product, not as a home or business cordless system.
		The data speed of PHS is currently at 64kb/s and it is expected to deliver 128kb/s in the Spring of 2002.
		The Personal Handyphone System (PHS) standard is a TDD-TDMA based low tier microcellular wireless communications technology operating in the 1880 to 1930 MHz band, now used by millions of subscribers worldwide in public PHS networks, PHS-WLL networks, corporate indoor PBX applications and in the home environment.
	www22.verizon.com /about/community/learningcenter/articles/displayarticle1/0,1727,1153z3,00.html (942 words)

	RedOrbit - Technology - Lucent Technologies Awarded Contracts for Personal Handyphone Networks (Site not responding. Last check: 2007-11-01)
		The Personal Handyphone System uses a wireless telephone similar to a cordless phone but more sophisticated, providing wireless voice and data services, and limited mobility in a particular geographic area.
		While maintaining the same features their customer is accustomed to in their homes and businesses, the PHS can be deployed as a citywide or rural portable telephone network, enabling users to travel throughout a community and still receive service, up to 500 meters from the nearest micro cell site.
		The company's systems, services and software are designed to help customers quickly deploy and better manage their networks and create new, revenue-generating services that help businesses and consumers.
	www.rednova.com /news/display?id=24979 (829 words)

	IEC: Wireless Local Loop (WLL)
		Due to widespread deployment, analog cellular systems are expected to be a major wireless platform for WLL, at least in the short term.
		These systems have seen rapid growth and are expected to outpace analog cellular over the next few years.
		Some of the services include personal numbers assigned to individuals rather than telephones, call completion regardless of locations (find me), calls to the PCS customer that can be paid by either the caller or the receiver, and call-management services that give the called party greater control over incoming calls.
	www.iec.org /online/tutorials/wll/topic02.html (1069 words)

	CNN.com - Network system supports visually impaired people - October 10, 2001
		The system was developed by the Japanese government agency National Institute of Advanced Industrial Science and Technology (AIST) using software that transmits voice and video via the second-generation wireless PHS (personal handyphone system) network, and light-weight devices incorporating a small video camera, an earphone and a microphone.
		AIST itself does not plan to commercialize the system, but offered it as a way of showing how wireless network infrastructure can be used in unique ways.
		A system such as the one AIST demonstrated potentially will be able to use 3G videophone cameras, which would eliminate the need for users to carry PCs with them.
	archives.cnn.com /2001/TECH/ptech/10/10/real.world.computing.idg/index.html (567 words)

	Mars Microrover Telecom Closing Comments (Site not responding. Last check: 2007-11-01)
		Of the remaining types of Mars exploration systems, all will need "comm-to-orbit", that is, communication relay to and from Earth, not by way of a lander but by way of an overhead orbiting satellite or group of satellites.
		This system is quite limited in its capabilities, for it does not support the forward command path or radiometric position determination, only data relay back to Earth.
		Along these lines, a recently discussed goal is to have a dedicated Mars Relay Satellite system in place to support the first manned mission to Mars which is capable of live High Definition Television transmissions of the surface operations: we at JPL are ready for the challenge.
	mars.jpl.nasa.gov /MPF/rovercom/closing.html (1545 words)

	Teradyne Semiconductor Test - FLEX - News:
		The system will be used for production device test of Atheros’ portfolio of RF System-on-a-Chip (RF SOC) devices, including the AR1900, the world’s first single-chip cellular solution for Personal Handyphone System (PHS) handsets.
		FLEX Platform systems span test requirements from DFT and structural test to standard analog and mixed-signal to the latest high-integration System-on-a-Chip (SOC) and System-In-Package (SIP) devices for consumer, automotive, mass storage, wireless, and data communications applications.
		And, the OpenFLEX™ open system architecture complements the FLEX Platform’s broad set of high-density instrumentation, allowing focused instruments to be added and further enhance system performance and test economics.
	www.teradyne.com /std/press/flex/2005-10-13.html (562 words)

	Mobile Media Japan
		Summary Telecommunications equipment manufacturers are shifting their PHS (personal handyphone system) operations to China as the domestic market reaches saturation.
		Personal handyphone system (PHS) phones were once pushed into the background by standard mobile phones, but their presence recently started to expand.
		The combined number of subscribers to cellular phone and PHS (personal handyphone system) services stood at 76.91 million at the end of July, accounting for 60.3 per cent of Japan’s population, the Telecommunications Ministry reported Thursday.
	www.mobilemediajapan.com /headline.asp?page=PHS (4385 words)

	New Products & Services
		Unlike the NTT phone, which was developed for the PHS (personal handyphone system) and has never left prototype status, the new Samsung phone is designed for use with CDMA (code division multiple access) based cellular networks and will be available later in April.
		According to a new Forrester Research Inc. report, a new device called the personal video recorder (PVR) is poised to revolutionize both the TV industry in general, and specifically how networks target audiences and sell advertising.
		The option is billed as letting carriers reward their customers with discounted or free long distance calls if they listen to one or more advertisements or respond to a short market research survey before making the calls.
	www.e-tactics.com /1999/April/new_page_1.htm (1256 words)

	GIS News: GPS based “Vehicle Anti-Theft System” developed in Japan
		The new anti-theft system named as” dubbed Keep-eye”, will be released in Japan for 55,000 Yen from March 2003, and the communications equipment will be leased at 2,980 Yen per month.
		But it is difficult for systems using only GPS technology to function when a car is between tall buildings or in an underground parking lot.
		The new system, however, can cover areas that cannot be reached by GPS technology alone, as PHS technology can be used even underground.
	www.gisdevelopment.net /news/viewn.asp?id=GIS:N_xqbntjsh (205 words)

	Carlyle and Kyocera dig deep into DDI Pocket \| The Register
		Personal handyphone devleopment Private equity investor Carlyle should find plenty of opportunities to develop DDI Pocket, the personal handyphone system business in which it has agreed to buy a 60 per cent stake.
		The low-cost system has a lot of potential in developing countries and may also offer opportunities in the data services market.
		The low-cost personal handyphone system (PHS) service has been in decline in Japan in the face of the sophisticated products offered by the major operators, and currently has about three million subscribers.
	www.theregister.co.uk /2004/06/23/carlyle_kyocera_ddi_pocket (532 words)

	David Lee--System Building
		PYTHIA: A software system for automatic generation of test cases for systems modeled by state machines.
		The main objective of the technique is to achieve desired coverage criteria with a minimal number of tests.
		There was a large number of devices, called objects, to be tested and a manual testing was proved to be time consuming, expensive, and unreliable; furthermore, given the project schedule, it would be impossible to conduct a thorough test manually.
	www.cse.ohio-state.edu /~lee/english/inpages/system_2.htm (212 words)

	Communications Technology Web page - John Wiley & Sons, Ltd.
		Particular attention is paid to the radio-related specifics required for establishment of a mobile communication system which it is far more complex than a wired network.
		All systems described have been implemented during research for analysis of their performance by event driven stochastic simulation under typical traffic loads.
		Consequently the similarities and differences between systems are described clearly and coherently.
	www.wiley.com /legacy/wileychi/commstech/walke1.html (287 words)

	Privateline.com Mobile Telephone History: Page 11
		Built on an earlier proposal, this code-division multiple access or CDMA based system would be all digital and promised 10 to 20 times the capacity of existing analog cellular systems.
		New systems such as 3G will arrive in America once additional spectrum is cleared for their use.
		On July 1, 1995 the NTT Personal Communications Network Group and DDI Pocket Telephone Group introduced the Personal Handyphone System or PHS to Japan.
	privateline.com /PCS/history11.htm (1048 words)

	Goodman - Wireless Personal Communications Systems (Site not responding. Last check: 2007-11-01)
		Wireless Personal Communications Systems begins with an intriguing look at the anatomy of a single cellular phone call, providing a useful context for the information that follows.
		Each system is described using a unified framework so the reader can easily compare and contrast the systems.
		Each chapter concludes with a set of exercises, and the last chapter is dedicated to twelve tutorials that provide concise explanations of technical subjects essential to wireless communications.
	www.ccs.neu.edu /home/futrelle/teaching/com1204sp2001/goodman/goodman.html (275 words)

	NTT DoCoMo issues profit warning - Breaking (Site not responding. Last check: 2007-11-01)
		Japan's top mobile phone operator NTT DoCoMo has warned that earnings for the current year to March would be lower as it winds up its loss-making personal handyphone system (PHS) service.
		It expects to incur a loss of ¥61 billion due to impaired assets held by the money-losing PHS division, it added.
		PHS mobile technology uses small cells in greater numbers than conventional mobile systems which resulted in lower equipment costs but although it was touted as a global standard, it never took off outside of Japan.
	www.smh.com.au /technology/ - !http://www.smh.com.au/news/Breaking/NTT-DoCoMo-issues-profit-warning/2005/03/01/1109546833405.html?from=moreStories (302 words)

	Wuxi Telecom Deploys Lucent Technologies Prepaid System To Support Its Personal Handyphone System (Phs) Networks
		Lucent's PHS system enables a full array of innovative services including short message service (SMS), Hi-Mode, high-speed wireless data, prepaid services, location-based services and Centrex services.
		Lucent Technologies designs and delivers the systems, services and software that drive next-generation communications networks.
		Backed by Bell Labs research and development, Lucent uses its strengths in mobility, optical, software, data and voice networking technologies, as well as services, to create new revenue-generating opportunities for its customers, while enabling them to quickly deploy and better manage their networks.
	www.tmcnet.com /usubmit/2005/Jan/1107381.htm (1049 words)

	4th Wave \| Acronym Dictionary \| P
		PBX - Private Branch Exchange - a telephone system within an enterprise that switches calles between enterprise users on local lines while allowing all users to share a certain number of external phone lines.
		The main purpose of a PBX is to save the cost of requireing a line for each user to the telephone company's central office.
		POP - Points of Presence - The point at which a line from a long distance carrier (IXC) connects to the line of the local telephone company or to the user if the local company is not involved.
	www.fourthwave.com /Acronyms/AcronymPs.htm (592 words)

	Lucent Technologies :: Lucent Technologies Awarded PHS Network Expansion Contracts by China's Gansu Telecom and ... (Site not responding. Last check: 2007-11-01)
		In Gansu province, Lucent was awarded a PHS expansion contract covering 14 cities, which is expected to support 1.7 million subscribers by the end of the deployment.
		Additionally, Lucent's AnyPath(R) Messaging System will be deployed to provide messaging services for up to 360,000 subscribers in Lanzhou, the provincial capital of Gansu.
		With the AnyPath Messaging System, end-users will have unrestricted access to all of their messaging services, regardless of where they are, the kind of network they are on and the type of device they are using.
	sev.prnewswire.com /telecommunications/20050705/NYTU02105072005-1.html (688 words)

	TomsNetworking (Site not responding. Last check: 2007-11-01)
		Updated - Atheros today announced its first cellular product, which is for PHS (Personal Handyphone System) applications.
		The single-chip AR1900 integrates a complete handset solution, including 1.9 GHz transceiver, baseband, protocol control block, application processor, voice coder and analog paths, polyphonic ring-tone generator, power management, and LCD, keypad and USB interfaces implemented in a standard digital CMOS process.
		The PHS (Personal Handyphone System), which is widely deployed in China, Japan, Taiwan and other countries, is an advanced digital TDMA-TDD technology operating at 1.9 GHz and providing high-quality voice, advanced data services, and long battery life.
	www.tomsnetworking.com /print.php?sid=1006 (141 words)

	ChinaTechNews.com is the Technology Portal for the Latest Chinese News, Information, and Commentary on Internet, ... (Site not responding. Last check: 2007-11-01)
		Lucent Technologies today announced a series of Personal Handyphone System (PHS) contracts with China Telecom that were awarded under the frame agreement announced in January 2004.
		Personal handyphone systems are popular in China where there is a need for low-cost, limited mobility wireless phone services.
		Backed by Bell Labs innovation, Lucent's personal handyphone systems and terminals have been widely deployed throughout the country, serving more than six million subscribers in more than 10 provinces, including Fujian, Gansu, Jiangsu, Hubei, Sichuan, Jiangxi, Shandong, and Liaoning.
	www.chinatechnews.com /index.php?action=show&type=news&id=1333 (556 words)

	PC World - Fujitsu Phone Calls on IP, Cellular Networks
		A Global System for Mobile Communications module can be inserted and the handset will work on GSM networks.
		If a Personal Handyphone System module is inserted, it will work on Japan's PHS network, for example.
		Because the cellular network interface is in a card that's already been approved by the carrier or relevant authorities, the rest of the handset requires no special approval and so can be customized or loaded with whatever software the user requires.
	www.pcworld.com /news/article/0,aid,116831,pg,1,RSS,RSS,00.asp (648 words)

	Glossary
		Personal Communications Services operating in the 1.9 GHz band.
		Personal Digital Cellular (Japan) used to be called JDC.
		Total Access Communications System (900 MHz.) Analog standard similar to AMPS.
	www.emory.edu /BUSINESS/et/P98/gsm/acros.html (129 words)

	Atheros Communications, Inc. :: Atheros Communications and UTStarcom Collaboration Delivers Portfolio of PAS Cellular ... (Site not responding. Last check: 2007-11-01)
		The UTStarcom portfolio of handsets is the first to be based on Atheros' cellular solution, which is the world's only single-chip technology for PHS (Personal Handyphone System) or PAS as it is known in China.
		Atheros combines its wireless systems expertise with high-performance radio frequency (RF), mixed signal and digital semiconductor design skills to provide highly integrated chipsets that are manufacturable on low-cost, standard complementary metal-oxide semiconductor (CMOS) processes.
		Atheros technology is being used by a broad base of leading customers, including personal computer and networking equipment manufacturers.
	sev.prnewswire.com /semiconductors/20060424/SFM14324042006-1.html (767 words)

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