circuit-switched data transmission

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• Circuit Switched Data — (CSD) is the original form of data transmission developed for the time division multiple access (TDMA) based mobile phone systems like Global System for Mobile Communications (GSM). CSD uses a single radio time slot to deliver 9.6 kbit/s data… …   Wikipedia

• High-Speed Circuit-Switched Data — (HSCSD), is an enhancement to Circuit Switched Data, the original data transmission mechanism of the GSM mobile phone system, four times faster than GSM, with data rates up to 38.4 kbit/s.As with CSD, channel allocation is done in circuit… …   Wikipedia

• Public data transmission service — In telecommunication, a public data transmission service is a data transmission service that is established and operated by a telecommunication administration, or a recognized private operating agency, and uses a public data network. Note: A… …   Wikipedia

• Transmission line — This article is about the radio frequency transmission line. For the power transmission line, see electric power transmission. In communications and electronic engineering, a transmission line is a specialized cable designed to carry alternating… …   Wikipedia

• Data access arrangement — The term data access arrangement (DAA) has the following meanings: In public switched telephone networks, a single item or group of items at the customer side of the network interface for data transmission purposes, including all equipment that… …   Wikipedia

• Packet switched network — A Packet Switched Network, or PSN, refers to the packet switched networks that existed before the Internet. The history of such networks can be divided into three eras:early networks before the introduction of X.25 and OSI,the X.25 era when many… …   Wikipedia

• Virtual circuit — In telecommunications and computer networks, a virtual circuit (VC), synonymous to virtual connection and virtual channel, is a connection oriented communication service that is delivered by means of packet mode communication. After a connection… …   Wikipedia

• Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites …   Wikipedia

• Comparison of wireless data standards — A comparison of wireless data standards can be made by several different measures. Contents 1 Introduction 2 Standards 2.1 Wide Area (WAN) 2.2 Local Area (WLAN) …   Wikipedia

• Enhanced Data Rates for GSM Evolution — Enhanced Data rates for Global Evolution (EDGE), Enhanced GPRS (EGPRS), or IMT Single Carrier (IMT SC) is a backwards compatible digital mobile phone technology that allows improved data transmission rates, as an extension on top of standard GSM …   Wikipedia

• Evolution-Data Optimized — or Evolution Data only, abbreviated as EV DO or EVDO and often EV, is a telecommunications standard for the wireless transmission of data through radio signals, typically for broadband Internet access. It uses multiplexing techniques including… …   Wikipedia