電信詞匯解釋

1、電信詞匯解釋隨著全球范圍內(nèi)市場化程度的加大,電信業(yè)務(wù)的競爭也越加激烈,市場對電信服務(wù)產(chǎn)品的要求越來越高,接下來為大家整理了電信詞匯解釋，希望對你有幫助哦!wi-fithis refers to wlan products built to the ieee 802.11 standard, which have been certified for interoperability by the wi-fi alliance.wlanwireless local area network. a subscriber can connect to a local area network of

2、computers, for example, via a wireless radio connection. the ieee 802.11 standards are examples of wlan systems.wmlwireless mark-up language - the language behind wap.bluetootha short-range wireless technology designed to allow connection of portable devices in a wire-free manner. for example connec

3、tion of a wireless hands-free kit.broadband1high speed connectivity - wireless transmission in vodafones case. typically allowing the fast transmission of multimedia content.cdmacode division multiple access - a generic term for a typeof digital mobile telephony technology which supports a number of

4、 mobile connections. this technique is used by some alternative systems to gsm. see also w-cdma.contract customera subscriber with whom vodafone has a formal contractual agreement with the customer billed on a monthlybasis for access fees and any additional airtime or data used. vodafone contract ta

5、riffs all have an amount of airtime included in the monthly charge. see prepay customer.data productsdata products are those products and services that use the vodafone network but are not voice. they include basic text messages (sms), multimedia messaging (mms), internet browsing and downloads such

6、 as ring tones and games.edgeenhanced data rate for gsm evolution - a development ofgsm whichallowsfor the fasterdeliveryof advancemobile2services such as full multimedia messaging.fixed linetelecommunications lines that are not wirefree but connected to physical points.2gsecond generation technolog

7、y. a term used to describe the digital cellular networks such as gsm which were introduced as a replacement for analogue cellular networks.2.5gtechnological upgrades to standard gsm mobile networks which increase data transmission speeds and efficiency. the term encompasses hscsd, gprs and edge. see

8、n as an intermediate technology between 2g and 3g.3gthird generation (umts) technology using new data transmission standards and operating at a different part of the spectrum range to second generation networks. licences havebeen issued by european governments to cover the umts spectrum around the 2

9、ghz level.gprsgeneralpacketradioservice.anenhancementtothegsmmobilecommunicationssystemthatsupportsdata3packets. it enables a continuous flow of data packets over thesystem for applications that support web browsing and file transfer for example. with gprs, your phone is always connected to wap and

10、other data services, so you dont need to dial in each time you want to access data services.gsmglobalsystemformobilecommunication-anopen,non-proprietary digital wireless technology platform.hertz (hz)measure of frequency or cycles per second. usually measured in millions as megahertz (mhz) or in bil

11、lions as gigahertz (ghz).htmlhypertext mark-up language - the language used to create web documents.hscsdhigh speed circuit switched data. circuit-switched wireless data transmission for mobile users at data rates of 28.8 kbits per second or higher, compared to a maximum of only 9.6 kbits per second

12、 using traditional gsm networks.ieeethe institute of electrical and electronics engineers is a us4based organisation providing expertise across a wide range of engineering fields. one of its main areas of activity is the development of industry standards.mmsmultimedia messaging service (mms) is a st

13、ore andforward messaging service which allows mobile subscribers to exchange multimedia messages with other mobile subscribers. mms supports the transmission of additional media types: text, picture, audio, video or a combination of these.multi-access portala service that provides web access from a

14、range of different devices such as mobile, fixed and cable television devices.pdapersonal digital assistant - devices such as personal organisers (e.g. palm and ipaq).portala gateway or entry point to the internet incorporating significant functionality such as search engines, news alerts and person

15、al preferences that enable users to access the data they want from the web from a central point.5prepay customera customer who does not have a written contract and buys his/her talk time in advance, by purchasing vouchers from retail outlets for example. see contract customer.roamingthe facility for

16、 a subscriber to use his/ her mobile for both outgoing and incoming calls on any other network, in the same or another country, that has entered into a commercial roaming agreement with the subscribers home network.short code accesscodes to enable users to access services such as answerphones withou

17、t having to dial a full number.sms or text messagingshort message service. a service which enables mobile telephone users to send and receive text messages on their handsets.spectruma specific frequency range.tdmatime division multiple access - a generic term for a type of digital mobile telephony t

18、echnology including gsm.umts6universalmobiletelecommunicationssystem.alsoknown as 3g, the third generation digital standard for mobile telecommunications.wapwireless application protocol. a global, open standard for providing mobile phones, pagers and other handheld deviceswith secure access to e-mail and