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Topic: High-speed circuit-switched data

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In the News (Sat 15 Jun 19)

 Circuit Switched Data - Wikipedia, the free encyclopedia
Circuit Switched Data, often known as CSD, is the original form of data transmission developed for the GSM mobile phone system.
HSCSD is a system which was based on, and quite similar to CSD but designed to provide higher data rates.
CSD used a single radio time slot to deliver 9.6 kbit/s data transmission to the GSM Network and Switching Subsystem where it could be connected through the equivalent of a normal modem to the PSTN allowing direct calls to any dial up service.
en.wikipedia.org /wiki/Circuit_Switched_Data   (442 words)

 High-Speed Circuit-Switched Data - Wikipedia, the free encyclopedia
High-Speed Circuit-Switched Data (HSCSD), is a development of Circuit Switched Data, the original data transmission mechanism of the GSM mobile phone system.
The first innovation in HSCSD was to allow different error correction methods to be used for data transfer.
HSCSD require the time slots being used to be fully reserved for a single user.
en.wikipedia.org /wiki/High-Speed_Circuit-Switched_Data   (513 words)

 High Speed Circuit Switched Data
High Speed Circuit Switched Data (HSCSD) is a new high speed implementation of GSM data techniques.
HSCSD allows wireless data to be transmitted at 38.4 kilobits per second or even faster over GSM networks by allocating up to eight time slots to a single user.
With HSCSD the user will find wireless connection to the Internet much faster at 38.4 kbps, which is up to four times faster than today's standard usage.
www.cellular.co.za /hscsd.htm   (269 words)

 Clarion (UK) - High Speed Circuit Switched Data (HSCSD)
This data format is only supported in the UK by Orange, the benefit to users of the Orange High Speed Data service is that data can be sent and received via a mobile phone at three times the speed of other mobile networks CSD services.
Since the circuit switch data call retains a dedicated channel for the duration of the call, this format is particularly suited to transmitting or receiving large files or video.
Many high-tier handsets are supplied with the necessary software to enable data to be passed from the laptop or PDA.
www.clarionuk.co.uk /mobile_data_hscsd.htm   (373 words)

 MegaFon North-West :: Services :: services :: Mobile Internet (regions)
High speed circuit switched data HSCSD is a technique that overcomes speed restrictions of wireless communication networks making it possible for the GSM subscribers to transmit data at speeds comparable or even exceeding the speeds in wire networks.
It means that during the period of connection actual speed of data transmitting depending on the load of the channels and the level of the signal can be lower than the speed at which the connection was set up.
When connection is set up for data transmitting between mobile phones of North-West branch of OJSC "MegaFon" located within the range of action of the network of North-West branch of OJSC "MegaFon", the speed of data transmitting with application of the HSCSD technique is restricted by the value of 28.8 Kbit/s.
www.nwgsm.com /site/eng/services/services/hscsd.html   (1012 words)

Circuit switched gives you a radio timeslot to yourself, with the full data rate of that timeslot (9600 baud) available exclusively to you.
Packet switched networks (such as GPRS) use a different data connection method.
HSCSD takes the circuit switched paradigm one step further.
www.gcrsoft.com /data.html   (806 words)

 High Speed Circuit Switched Data - FOLDOC Definition
High Speed Circuit Switched Data - FOLDOC Definition
(HSCSD) A planned feature of GSM Phase 2 defining a standard for circuit switched data transmission over a GSM link at up to 57.6 (78.8?) kbps.
As it is circuit switched, it is suited to streaming applications such as video conferencing and multimedia.
nightflight.com /foldoc-bin/foldoc.cgi?High+Speed+Circuit+Switched+Data   (135 words)

 Telephony: Nokia imagines ubiquitous computing: Will telecom compete with or complement computing world? networking architecture - Nokia's new high-speed, circuit-switched data HSCSD - Company Business and Marketing
In addition to developing the path toward higher data rates in GSM networks-from HSCSD to general packet radio services, enhanced data rate for GSM evolution and finally third generation-Nokia is involved with three partnerships to pursue its ubiquitous computing vision.
Although PC manufacturers are interested in wireless data when it becomes viable, they aren't talking about adding telephony capabilities to their products, he said.
Companies such as Microsoft and Sun Microsystems have of late dabbled in the wireless data world, exploring concepts of ubiquitous computing-the capability to access data from anywhere as well as access devices that typically don't have intelligence such as fax machines and locks.
www.findarticles.com /p/articles/mi_m0TPY/is_ISSN_0040-2656/ai_53226380   (1331 words)

 Orange Business - network - technology - High Speed Data
High Speed Data calls are charged per second, just like voice calls.
Orange Link - voice and data makes it simple for your company to take advantage of a range of Orange services, including Orange High Speed Data - and no matter how many you use, it automatically allocates the required bandwidth to each service.
Based on HSCSD technology, High Speed Data provides a reliable, dedicated connection with data transfer rates up to 28.8 kbps.
orange.co.uk /business/corporate/network/technology/hscsd   (319 words)

 Broadband Technologies and Definitions
The higher data rates will allow users to take part in video conferences and interact with multimedia Web sites and similar applications using mobile handheld devices as well as notebook computer computers.
IDSL is a system in which digital data is transmitted at 128 Kbps on a regular copper telephone line (twisted pair) from a user to a destination using digital (rather than analog or voice) transmission, bypassing the telephone company's central office equipment that handles analog signals.
Digital data is transmitted to your computer directly as digital data and this allows the phone company to use a much wider bandwidth for transmitting it to you.
www.cis.state.mi.us /mpsc/comm/broadband/mediums/tech_def.htm   (7095 words)

HSCSD is the next enhancement to existing circuit-switched GSM data, and will bring the GSM network to par with ISDN.
With data throughput 6 times faster than that of current GSM data, HSCSD can provide the high transmission speeds required for flexible access to these data sources.
Moreover, GPRS will provide optimal connectivity to packet-switched data networks such as the Internet.
www.rayharock.com /sky/london.html   (961 words)

 cooltech.iafrica.com cellular feature mtn
High Speed Circuit Switched Data (HSCSD) is a new circuit switched data bearer (CSD) that offers considerably higher throughput than is currently available with CSD.
Data transfer speeds are expected to increase by a further 50% within the next six months.
HSCSD is similar to CSD in that a subscriber is allocated a single core time slot for the duration of the call.
cooltech.iafrica.com /cellularfeature/mtn   (325 words)

 Nokia - Nokia introduces the world's first high-speed data terminal for wireless networks - Press Releases - Press - About Nokia
Using the Nokia Card Phone 2.0 with HSCSD puts GSM wireless data at par with existing land-line modem speeds, enabling data transmission rates which are four times higher compared with today's standard speed of 9.6.kb/s.
For GSM operators, HSCSD, being mostly a software upgrade, does not entail new network elements and therefore it is a cost efficient way to introduce new advanced services here and now, hence satisfying the high-end and vertical subscribers segments with several new and fast data services," says Matti Alahuhta, President, Nokia Mobile Phones.
When sending and receiving e-mail, the data speed can be doubled up to 28.8 bits/s and for downloading web pages the Nokia Card Phone 2.0 is able to triple data transmission speeds to 43.2 kbit/s.
press.nokia.com /PR/199906/776767_5.html   (781 words)

 Netimperative - Spotlight: High Speed Data - does it work?
HSCSD with two time slots per call does provide some extra headaches for mobile network operators, as the extra time slot in use for data may deprive another voice call user of a time slot.
Overall then, HSCSD seems to be a bit of a blind alley in terms of broadband mobile data technology in the UK - Orange is on its own, and as with most new services, it isn't quite as user friendly as it could be.
HSCSD is therefore easier to implement in mobile networks than General Packet Radio Service (GPRS) because the network resources are already there - it is simply a question of capacity and a software upgrade - while GPRS requires a hardware and software upgrade to base stations.
www.netimperative.com /2001/02/15/Spotlight_High_Speed/view   (1121 words)

 Mobile/Cellular Technology - HSCSD (High Speed Circuit Switched Data) Data Transfer System - Mobile Cellular Data
HSCSD (High-Speed Circuit-Switched Data) is essentially a new high speed implementation of GSM (Global System for Mobile Communication) data transfer.
HSCSD operates across a GSM network, and therefore no extra hardware is required by a mobile communications operator to offer the service, just a network software upgrade.
HSCSD is being rolled out across many GSM networks as a stop gap before broadband mobile services becomes more readily available.
www.mobilecomms-technology.com /projects/hscsd   (574 words)

 Nokia Cardphone >> Plug and Play Phone for Typists
HSCSD is circuit-switched wireless data transmission for mobile users at data rates up to 38.4 Kbps, four times faster than the standard data rates of the Global System for Mobile (GSM) communication standard.
HSCSD also leverages reduced-rigour error correction standards to increase the data rate from 9.6 Kbps to 14.4 Kbps, giving a total of 28.8 Kbps.
And although the theoretical maximum of GPRS is 115 Kbps, data rates aren't expected to exceed 30 Kbps in urban areas.
www.topgold.com /sightings/cardphone.html   (826 words)

 High-speed data communication now available to over 100 million GSM users in 27 countries worldwide
HSCSD does not require the user to learn an entirely new data service or technology: it is very similar to existing services, just substantially faster.
According to David Gordon, Manager of International Services for Partner Communications Company, Israel, and Co-chair of the HSCSD Interest Group of the GSM Association, “HSCSD is especially valuable to travelers that are seeking to connect to their corporate networks and email service without the hassle of cables and plugs, and at reasonable data rates”.
HSCSD, being mainly a software upgrade does not entail new network elements and so the GSM operator not only avoids having to redesign the network, but can also have fast implementation.
www.pressbox.co.uk /Detailed/4459.html   (957 words)

 GSA - Global mobile Suppliers Association: Press Release
HSCSD is a high-speed circuit switched data technology, which will ultimately enable data speeds of up to 57.6kbps in GSM networks.
HSCSD phones capable of transmitting data at 14.4kbps over one channel (or slot) are already available, a rate which represents an improvement of 50 per cent compared to the current speed of 9.6kbps.
HSCSD makes it possible to surf the Internet on the move and view pages with a high graphics content in seconds.
www.gsacom.com /news/gsa_034.php4   (777 words)

 What is HSCSD (High Speed Circuit Switched Data)?
HSCSD (High Speed Circuit Switched Data) is a specification for data transfer over GSM networks.
HSCSD was an enhancement to to earlier CSD (Circuit Switched Data) standard.
GPRS has the advantage over HSCSD for most data transfer because HSCSD, which is circuit-switched, is less bandwidth efficient with expensive wireless links than GPRS, which is packet-switched.
www.tech-faq.com /hscsd-high-speed-circuit-switched-data.shtml   (359 words)

 HSCSD - High Speed Circuit Switched Data
High Speed Circuit Switched Data enhances the capabilities of the current GSM network by combining time slots on the GSM radio carrier.
Data rates of 14.4Kbps, using one timeslot, 28.8Kbps using two time slots, or 57.6Kbps using four time slots can be achieved.
HSCSD is best suited for services such as video conferencing.
www.mpirical.com /companion/GSM/HSCSDData.htm   (53 words)

 High Speed Circuit Switched Data - HSCSD - funSMS.net
High Speed Circuit Switched Data - HSCSD - funSMS.net
High Speed Circuit Switched Data (HSCSD) is an enhancement of data services ("Circuit Switched Data - CSD) of all current GSM networks.
HSCSD is offered to subscribers using either voice terminals that support the feature, or a special PCMCIA portable computer card, with a built in GSM phone that turns notebook computers and other portable devices into a complete high-speed mobile office with the ability to make voice calls hands free, as well as data transfer.
www.funsms.net /hscsd.htm   (457 words)

 Press Release: Mobile Data For Corporates
Brown's is conducting these tests with HSCSD in preparation to support the new high speed circuit switched data services that the mobile operators will roll out during 2000.
Brown's has already conducted trials with high speed circuit switched data (HSCSD) messages to the Brown's Box, using test facilities at Blackheath, in London.
HSCSD has four time slots and will be over four times as fast as GSM data but data users will need to purchase new mobile phone handsets in order to connect their laptops at 43.2 kbps.
www.brownsbox.com /hscsd.htm   (122 words)

HSCSD is a circuit-linked technology for higher transmission speeds, up to 57 kilobits per second, primarily in GSM systems.
EDGE was developed to enable the transmission of large amounts of data at a high speed of 384 kilobits per second.
LAN is a small data network covering a limited area, such as within a building or group of buildings.
mobifi.com /glossary   (1976 words)

 Nokia - High-Speed Data means business today - Press Releases - Press - About Nokia
Wireless data is an increasingly important focus for GSM operators and the ability to meet growing customer demands for high-quality mobile data service requires faster data speeds; enabled by the new Nokia BSS7 software release.
All Nokia base stations are fully compatible with the high-speed data feature, which will be available with the Nokia BSS7 software release.
To facilitate the implementation of high-speed data services, the Nokia Artus Access Router supports the 14.4 kbit/s data rate today, with higher speeds planned to be available later this year.
press.nokia.com /PR/199806/778025_5.html   (498 words)

 PA Consulting Group - 2000 - Orange and Ubinetics Sign Strategic Partnership
High Speed Circuit Switched Data is, as the name suggests, based on a dedicated circuit model.
HSCSD currently provides data speeds of up to 28.8kbps, with the potential later this year to increase the speed to 43.2kpbs and 57.6kpbs.
Jointly develop dual mode high-speed internet access cards
www.paconsulting.com /news/press_release/2000/PR_20000512.htm   (1161 words)

 * Circuit - (Telecom): Definition
In contrast with Packet Switched data networks, circuit switched systems maintain a dedicated circuit for the duration of a call or session,...
An enhancement to GSM networks that enables data speeds to be boosted from 9.6kbps in multiples up to 57.6kbps, by combining timeslots.
Data Circuits - Telephone circuits designed to carry computer-type digital information.
www.bestknows.com /telecom/circuit.html   (1045 words)

 Message from the Editor in Chief
The evolution of GSM to GSM phase 2+ includes the introduction of high-speed circuit-switched data services known as High-Speed Circuit-Switched Data (HSCSD), high-speed packet services such as General Packet Radio Service (GPRS), along with new intelligent control mechanisms or enhancements of voice service.
A packet data system similar to GPRS was introduced earlier in North American cellular networks under the name Cellular Digital Packet Data (CDPD).
The data rates offered by EDGE might not be sufficient to support some multimedia applications.
www.comsoc.org /ci/public/2000/may/cimess.html   (1047 words)

 Nokia Support Glossary
A data transmission connection that is few times faster that the GSM data connection.
A feature that lets the user use a phone without lifting or holding the handset to their ear.
europe.nokia.com /support/glossaryCDAMaster/0,,lang_id=1&letter=7,00.html   (59 words)

 3 - Company site   
HSCSD (High Speed Circuit Switched Data) One of three technology developments along with EDGE and GPRS which provides an upgrade of the GSM networks to improve their data capability.
Refers to data communications systems operating at speeds above 100Kps.
HSCSD increases speed sufficiently for the very basic video transmission and internet access at rates close to existing fixed line rates.
www.three.co.uk /hygiene/threeGlossary.omp?letter=h   (123 words)

The Siemens S40 is a triple band Global System for Mobile Communications (GSM) mobile phone with Wireless Access Protocol (WAP) and High Speed Circuit Switched Data (HSCSD).
HSCSD (High Speed Circuit Switched Data) Class 10, up to 57.6 kbps
A wide range of accessories including a desktop charger, car charger, car kit, hands-free headset, and several carrying cases are all available for purchase.
www.dvdoverseas.com /store/itemsi-s40.html   (336 words)

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