High-Speed Downlink Packet Access

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Topic: High-Speed Downlink Packet Access

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	High-Speed Downlink Packet Access - Wikipedia, the free encyclopedia
		High-Speed Downlink Packet Access (HSDPA) is a new mobile telephony protocol and is sometimes referred to as a 3.5G (or "3½G") technology.
		HSDPA defines a new W-CDMA channel, the high-speed downlink shared channel (HS-DSCH) that operates in a different way from existing W-CDMA channels, but is only used for downlink communication to the mobile.
		When a corrupted packet is received, the user device saves it, and combines it with subsequent retransmissions, to formulate an error-free packet as quickly and efficiently as possible.
	en.wikipedia.org /wiki/HSDPA (1392 words)

	High-Speed Uplink Packet Access - Wikipedia, the free encyclopedia
		Similar to HSDPA (High-Speed Downlink Packet Access), HSUPA is considered 3.75G.
		In HSDPA and other downlink technologies the transmitter is at the base station and its power supply is not limited in time, but more importantly the dynamic range of its amplifier is inherently greater, which made the choice of higher-order modulations more attractive.
		Similarly to HSDPA there will be a packet scheduler, but it will operate on a request-grant principle where the UEs request a permission to send data and the schedular decides when and how many UEs will be allowed to do so.
	en.wikipedia.org /wiki/HSUPA (848 words)

	Hsdpa High Speed Downlink Packet Access
		HSDPA or High Speed Downlink Packet Access is an evolution of 3G mobile telecommunications and is being referred to as...
		High Speed Downlink Packet Access: WCDMA EvolutionTroels Emil Kolding, Klaus Ingemann Pedersen, Jeroen Wigard...
		High Speed Downlink Packet Access (HSDPA) is a concept within WCDMA specifications whose main target is to increase...
	www.internetfilters.net /45/hsdpa-high-speed-downlink-packet-access.html (761 words)

	HSDPA - High Speed Downlink Packet Access - Acesso em Pacote com Elo Descendente em Alta Velocidade
		A technology called HSDPA, for high-speed downlink packet access, also known as 3.5G, is expected to deliver data at as much as 14.4 megabits a second, allowing users to browse Web pages faster on their cell phones than broadband users can do today on their personal computers.
		HSDPA, also referred to "3.5G", is a packet-based mode for WCDMA Release 5 which increases data rates to up to 14Mbit/s for intensive multimedia services and has been heralded as the future of 3G.
		The speed and the technology's inherent network efficiencies may be worth the investment.
	www.wirelessbrasil.org /wirelessbr/secoes/sec_3_5g.html (6086 words)

	HSDPA : High-Speed Downlink Packet Access
		Agilent Technologies today introduced high-speed downlink packet access (HSDPA) capabilities for its high-performance E4438C vector signal generator, PSA Series spectrum analyzers, and E4406A vector signal analyzer.
		HSDPA is a packet-based data service within W-CDMA that allows data transmission at up to 14 Mb/s in the W-CDMA downlink through the use of adaptive modulation coding.
		Agilent's HSDPA measurement personality (Option 210) for the PSA Series high-performance spectrum analyzer and the Agilent E4406A vector signal analyzer provides new composite EVM and code domain tests that support 16QAM for full characterization of devices and systems that will be used in this new access method.
	www.yenra.com /hsdpa-high-speed-downlink-packet-access (480 words)

	RussellBeattie.com - High-Speed Downlink Packet Access
		I would have thought that Cingular - the most reserved of the major carriers here in the U.S. - would have been much more cautious about the move to 3G, but it seems that not only are the investing $4 billion to ramp up, they're moving to a technology called High-Speed Downlink Packet Access.
		It just means that the fastest access will be reserved to the data cards at first.
		HSDPA is a new acronym for me, I must admit, and I saw that it's also called 3.5G and will allow 400kbps to 700kbps, with insane bursts that will never happen in real life.
	www.russellbeattie.com /notebook/1008189.html (207 words)

	Siemens Communications Lexicon - high speed downlink packet access (HSDPA)
		Siemens Communications Lexicon - high speed downlink packet access (HSDPA)
		HSDPA für das Downlink, HSUPA für das Uplink.
		HSDPA arbeitet mit einer verbesserten Modulationstechnik, eine Kombination aus QPSK und 16QAM, mit der in Verbindung mit einer speziellen Kompression, dem so genannten Turbo Codec, Datenübertragungsgeschwindigkeiten von bis zu 21,6 Mbit/s erreicht werden.
	networks.siemens.de /solutionprovider/_online_lexikon/1/f013321.htm (160 words)

	High Speed Downlink Packet Access (HSDPA) - Marigold.cz
		HSDPA využívá zpětnou informaci od mobilky o kvalitě kanálu, schopnostech mobilky, požadavcích na kvalitu služby a dostupných radiových zdrojích k tomu, aby přesněji plánovala a přenášela data.
		Zavedení výkonnějších modulačních a kódovacích schémat není samospasitelné a je třeba počítat s tím, že HSDPA bude fungovat spíše či především tam, kde zástavba základnových stanic bude dostatečné hustá a radiové prostředí dostatečně vyladěné na to, aby se minimializovaly interference a bylo možné použití těchto schémat.
		HSDPA je založeno na několika inovacích architektury sítě, díky nimž se dosahuje nižšího zpoždění, rychlejších reakcí na změnu kvality kanálu a zpracování H-ARQ, tedy hybrid automatic repeat request, hybridního automatického požadavku na opakování přenosu.
	www.marigold.cz /item/high-speed-downlink-packet-access-hsdpa (1528 words)

	What is HSDPA? - A Word Definition From the Webopedia Computer Dictionary
		High Speed Downlink Packet Access, or HSDPA, is a packet based data service feature of the in WCDMA standard which provides a downlink with data transmission up to 8-10 Mbps (and 20 Mbps for MIMO systems) over a 5MHz bandwidth in WCDMA downlink.
		The high speeds of HSDPA is achieved through techniques including; 16 Quadrature Amplitude Modulation, variable error coding, and incremental redundancy.
		HSDPA is a technology upgrade to current UMTS networks.
	www.webopedia.com /TERM/H/HSDPA.html (146 words)

	TechOnLine - Concepts of High Speed Downlink Packet Access: Bringing Increased Throughput and Efficiency to W-CDMA
		One of the most significant additions to the W-CDMA specifications is the incorporation of high speed downlink packet access (HSDPA).
		HSDPA increases downlink peak data rates and packet data efficiency, making the system more competitive with other high data rate wireless technologies in use today, such as 1xEV-DO.
		This application note discusses the major changes that HSDPA introduces in the W-CDMA physical and transport layers, including new link adaptation techniques and modifications to the structure of the physical channels, modulation, and coding.
	www.techonline.com /community/home/38313 (183 words)

	CommsDesign - HSDPA Helps W-CDMA Nets Compete with DSL, Cable Services
		3GPP-standardized HSDPA provides a two-fold improvement in network capacity as well as data speeds up to five times (over 10 Mbit/s) higher than those in even the most advanced 3G networks.
		HSDPA leverages methods that are well established within existing GSM/EDGE standards, including fast physical layer (L1) retransmission combining and link adaptation techniques, to deliver significantly improved packet data throughput performance.
		In practical deployments, the HSDPA approach delivers peak user bit rates over 100% higher than possible using Release'99-based design.
	www.commsdesign.com /showArticle.jhtml?articleID=17300672 (1983 words)

	Mobile/Cellular Technology - Mobistar UMTS Broadband 3G Network Upgrade, Belgium
		High Speed Downlink Packet Access (HSDPA) supports the introduction of high bit rate data services and increases network capacity with only a modest investment.
		The hardware is HSDPA (High Speed Downlink Packet Access) ready and is designed to upgrade to support HSDPA through a future software installation.
		Future data rates could be as high as 10Mbps to 14Mbps; the installers of the Belgium Mobistar network would seem to have an eye on the future.
	www.mobilecomms-technology.com /projects/mobistar (781 words)

	Nokia - HSDPA demo
		HSDPA (High Speed Downlink Packet Access) marks a similar boost for WCDMA that EDGE does for GSM.
		It provides a two-fold increase in air interface capacity and a five-fold increase in data speeds in the downlink direction.
		HSDPA also shortens the round-trip time between the network and terminals and reduces variance in downlink transmission delay.
	www.nokia.com /nokia/0,8764,49693,00.html (282 words)

	Nokia - Nokia launches Internet High Speed Packet Access - Press Releases - Press - About Nokia
		Also at CTIA Wireless, Nokia is demonstrating HSUPA (High Speed Uplink Packet Access), a UMTS/WCDMA uplink evolution technology currently being standardized in 3GPP, in addition to HSDPA (High Speed Downlink Packet Access).
		Nokia further expands its wide radio access offering, demonstrates High Speed Uplink Packet Access (HSUPA), and expresses commitment to EDGE evolution.
		HSDPA and HSUPA offer high voice and data performance and will enable real mass-market mobile IP multimedia.
	press.nokia.com /PR/200503/984859_5.html (546 words)

	TreoCentral.com - Will T-Mo Use HSDPA — High Speed Downlink Packet access
		A CTIA report that I read on the web talks about HSDPA (High Speed Downlink Packet access) andsupposed to be backwards compatible with GPRS and EDGE systems.
		Lucent will also be starting up as a provider to give us HSDPA access.
		Everyone is hoping that the HSDPA cards and the new wireless networks they’ll work on will be up and running by the end of 2005.
	discussion.treocentral.com /showthread.php?goto=lastpost&t=77880 (470 words)

	CommsDesign - Nortel, Option demo HSDPA at 3.6 Mbps
		The series of calls are reportedly the first data card calls to demonstrate downlink speed of 3.6 Mbps, at HSDPA category 6 using 16 QAM modulation.
		A laptop fitted with an Option 3.6 HSDPA data card based on Qualcomm core MSM 6280 technology and commercial HSDPA network equipment from Nortel were used to achieve the download speeds.
		In September, Option announced its HSDPA-Ready concept, which means that whenever the network operator decides to launch HSDPA services in its territory, a simple firmware upgrade, available via the operator's website, is sufficient to release the power of HSDPA on the data card.
	www.commsdesign.com /news/showArticle.jhtml?articleID=175007822 (466 words)

	Highspeed Downlink Packet Access [Lexikon]
		High Speed downlink Packet Access ist eine standardisierte Evolution von WCDMA (UMTS), die die Download Geschwindigkeiten auf bis zu 14 Mb/s steigert und dem Verbraucher damit ganz neue Breitbandangebote möglich macht.
		Die Leistungsfähigkeit von HSDPA ergibt sich aus verbesserten Modulations- und Codieralgorithmen und einer dezentralen Struktur.
		Bei HSDPA wird die Basisstation Node B“ genannt und soll einige Aufgaben übernehmen, die derzeit noch dem Radio Network Controller (RNC) obliegen, der mehrere Node Bs steuert.
	www.inside-handy.de /mobilfunk-lexikon,H,559,Highspeed-Downlink-Packet-Access.html (200 words)

	Oxford University Short Courses - HSDPA - HSUPA - WCDMA High Speed Packet Access
		This site will look much better in a browser that supports web standards, but it is accessible to any browser or Internet device.
		The course focuses on HSDPA and HSUPA, as well as considering the differences to the current version of WCDMA deployed in networks today, and likely upgrade paths.
		In addition, the course will appeal to technical managers, analysts and strategists wishing to increase their technical understanding of the key subject area currently in the limelight of the telecoms world.
	www.conted.ox.ac.uk /cpd/electronics/courses/hsdpa.asp (539 words)

	EE Times UK - Samsung, Vodafone, Qualcomm team on HSDPA
		The 3.5G HSDPA technology, set for commercialization next year, offers video and voice data transfer speeds of up to 14Mbps, enabling users to download a two hour-long motion picture within two minutes.
		Single, dual or four-channel modules featuring a choice of front-end input mezzanines providing up to 3 GHz input bandwidth or switchable high impedance input coupling.
		According to market research firm Gartner, the HSDPA phone market is expected to be 6.29 million sets in 2006, growing to 101.99 million by 2009.
	www.eetuk.com /showArticle.jhtml?articleID=175701376 (406 words)

	Category-breaking innovation
		Access Enforcer presents the user with an access-request form, which can be customized to the proper format and can include all the data fields necessary, pulled from multiple internal and external data sources (such as SAP's human resources application), to complete the desired process.
		Often, the managers who review access requests are expected to research and catch any potential conflicts of interest between the roles that the requester currently has and any new roles and permissions being requested.
		Access Enforcer automates that process to the maximum extent feasible while ensuring corporate accountability and compliance with Sarbanes-Oxley and other laws and regulations.
	www.networkworld.com /best/2005/022805breaker.html (3483 words)

	Advanced IP Pipeline Call On Ultra-Fast 3G Network Uses Standard PC Card
		HSDPA is a technology that, proponents claim, will speed normal 3G UMTS networks from typical speeds of about 300 Kbps to typical speeds of more than 1 Mbps.
		While HSDPA experiments have been completed previously, the vendors claimed this is the first time a call was completed using a PC add-in card that will be commercially available.
		In statements, the vendors claimed that this was an important milestone toward providing HSDPA, which they claimed is an easy upgrade for wireless operators.
	www.networkingpipeline.com /news/59300784 (524 words)

	PCWorld.com - CES 2006: Samsung's Fast-Data-Download Cell Phone
		The carrier is also considering High Speed Uplink Packet Access (HSUPA), which boosts the upload speed from the cell phone to the network, in 2007 or 2008.
		Cingular's service provides download speeds of 400 kbps to 700 kbps and is accessible via a laptop modem card for a flat rate of $60 per month.
		Services can apply HSDPA to third-generation Wideband Code Division Multiple Access (WCDMA) networks to offer significantly faster data downloads.
	www.pcworld.com /resource/article/0,aid,124093,pg,1,RSS,RSS,00.asp (432 words)

	1.5 Mbps High Speed Downlink Packet Access (HSDPA) Data Card from Option Wireless
		A High Speed Downlink Packet Access (HSDPA) data card has been developed by Option Wireless and is currently being demonstrated today at CeBIT in Hannover Germany.
		The HSDPA data cards are capable of speeds up to 1.5 Mbps, offering a true mobile broadband comparible Internet solution.
		HSDPA will also reduce operating costs compared to current UMTS networks by boosting network capacity to almost double the wireless users per cell site.
	www.mobilemag.com /content/100/104/C3831 (305 words)

	High-Speed Packet Access Opens the Door to Turbo 3G
		HSDPA (high-speed downlink packet access) and HSUPA (high-speed uplink packet access) are the first steps down this road for UMTS-based 3G systems.
		"Mobile broadband has the potential to be a major new growth area for mobile operators as they start to compete with public wireless LAN and residential broadband access services," says Gabriel Brown, Chief Analyst of Unstrung Insider and author of the report, entitled Turbo 3G: High-Speed Packet Access Arrives.
		Brown analyzes the implementation of these high-speed upgrades to mobile networks worldwide and assesses the impact of this disruptive technology on the mobile infrastructure market.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/10-06-2005/0004163234&EDATE= (377 words)

	3G White Papers HSDPA: High-Speed Downlink Packet Access: Fact Sheet (Sep '05)
		HSDPA: High-Speed Downlink Packet Access - HSDPA enables operators to provide newer, faster services like DVD-quality film/video, high-resolution interactive gaming, multimedia music tracks, Ôpush-to-watchÕ services and access to large e-mail attachments ®¢ all at speeds three times faster than todayÕs commercial 3G networks.
		o High speed: UMTS enhanced with HSDPA will offer significant benefits to end-users and operators including average download speeds of 550-1100 Kbps with a theoretical peak speed of 14 Mbps.
		An Introduction to UMA (Unlicensed Mobile Access) technology
	www.the3gportal.com /index.php/3G_White_Papers/hsdpa-high-speed-downlink-packet-access-fact-sheet-sep-05 (372 words)

	BROADBAND HSDPA SPRINT WIRELESS
		Speed Downlink Packet Access (HSDPA), is expected to offer...
		Speed Downlink Packet Access (HSDPA), which will further increase...
		downlink packet access (HSDPA) - a next-generation feature...
	hsdpa.wrlss.com /index1.aspx (485 words)

	Cingular Goes High Speed - 12/6/2005 10:39:00 AM - Wireless Week - CA6289426
		Cingular Wireless is moving full-speed ahead into the world of 3G with the launch of its high-speed downlink packet access (HSDPA) network in the United States.
		shows that HSDPA is a real and robust technology that allows people on the move to enjoy the kind of high-speed Internet access and multimedia experience normally reserved for the deskbound," said Rob Conway, CEO of the GSM Association, in a prepared statement.
		Cingular intends to extend the reach of its HSDPA network next year, as well as add additional capabilities, including the ability to transmit full-motion video and deliver ultra-fast audio.
	www.wirelessweek.com /article/CA6289426.html (350 words)

	Oneupweb :: Mobile Search Engine Marketing News
		Twenty-four hour availability means these users have access to web content exactly when they need it.
		WAP is separate and distinct from the Hyper-Text Protocol (HTTP) that desktop computers use to access Hyper-Text Markup Language (HTML) pages.
		Unlike desktop search, mobile searchers can access the internet practically everywhere.
	www.oneupweb.com /search-marketing-library/mobilesearch.htm (1158 words)

	The 3G Portal 3G Analysis: Heads up on High Speed Downlink Packet Access (HSDPA)
		High Speed Downlink Packet Access, or HSDPA to its friends, sits at the next stage along the W-CDMA evolution curve — W-CDMA being the preferred flavour of 3G for most GSM operators.
		Keeping wireless ARPU high by keeping your best customers
		It might be considered premature to start looking at a standard whose parent technology has not seen much daylight, but HSDPA has important qualities worth examining today, and it is a lot closer to deployment than many originally thought.
	www.the3gportal.com /essentialreading/archives/006871.php (142 words)

	aWaves - High Speed Downlink Packet Access, R5 HSDPA
		This course offers a description to Packet Theory and the R5 UMTS High Speed Downlink Packet Access, HSDPA features.
		In the course we will examine the pro and cons of Packet Scheduling and the challenge of new asymmetric services.
		The new HSDPA MAC layer as well as its new L1 modulation and coding in is paid special attention.
	www.awaves.com /training/courseinfo.asp?CourseID=24 (181 words)

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In the News (Sat 26 Dec 09)