What is HSDPA? The Universal Mobile Telecommunications Service (UMTS) – also known as the 3G standard – first arrived in 1999, and operators first started rolling out 3G services a couple of years later. At the time, the existing 2G protocol was fine for handling basic functions (e.g. ...
the ETSI (European Telecommunications Standards Institute) had standardized UMTS, today the 3rd Generation Partnership Project (3GPP) maintains it further. The standard is constantly being expanded, for example, increased the maximum HSDPA receive ...
Because UMTS has deep GSM roots, it is sometimes called 3GSM. However, as the name W-CDMA implies, it also makes extensive use of CDMA technology. Upgraded UMTS networks around the globe are able to provide fast download speeds of up to 14 Mbps via the HSDPA (High-Speed Downlink Packet...
3G UMTS uses a totally different radio interface based around the use of Direct Sequence Spread Spectrum as CDMA or Code Division Multiple Access.Although 3G UMTS uses a totally different radio access standard, the core network is the same as that used for GPRS and EDGE to carry separate ...
It is the first standard of the so-called second generation (“2G”), replacing the analog systems of the first generation (in Germany: A-line, B-grid and C-grid) and is the world’s most popular wireless standard. What is UMTS (UMTS broadband, 3G)? The acronym stands for UMTS “...
Quick definition: An IMSI (International Mobile Subscriber Identity) is a globally unique number that cellular networks use to identify and authenticate every user and/or device on a GSM or UMTS network. IMSIs are used in any network that connects with another and are stored on the SIM card....
GSM or CDMA: Which is more popular? Between GSM and CDMA, GSM -- and, by extension, its descendants 5G New Radio (NR), UMTS and LTE -- is more popular. GSM-based technologies are deployed in practically every country in the world. ...
Unlike GSM and UMTS, LTE is a purely packet switched network in which both voice and data services are carried by IP. LTE uses orthogonal frequency division multiple access (OFDMA) in which the spectrum is divided into resource blocks (RB) that are composed of twelve 15 kHz subcarriers. By...
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What is a SIM Bank? SIM Bank is another name for the SIM box which is a hardware-based network device that has the capability of reading a bank of SIM cards. It then establishes a virtual connection between SIM cards and GSM based devices to allow them to communicate. The SIM bank ...