19 2G/3G Overview GSM /GPRS BSS BTS BSC NodeB RNC PCU UTRAN SCP SMS SCE PSTN ISDN Internet, Intranet MSC/VLR GMSC HLR/AUC SGSN CG BG GGSN GPRS Other PLMN IPBB 20. 20 2G (RAN) BTS (Base Station Transceiver) BTS is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network.
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3g Third-generation wireless was a major upgrade to the second generation, introducing high-speed packet access (HSPA) technology and universal mobile telecommunications system (UMTS).What happened to 3G? It wasn't that long ago when switching between carriers meant having to worry about whether your phone was GSM or CDMA. Those days are gone. GSM and CDMA were associated with 3G networks. Even with 4G LTE, 3G was still used for most calls and SMS texts. All three of the major carriers have sunsetted 3G.
Different TDMA technologies are GSM, PDC, iDEN , iS-136. GSM was first 2G System. CDMA technology is IS-95. W-CDMA is based on GSM network. 3G technologies enable network operators to offer
Typical 2G standards include GSM and IS-95 with extensions via GPRS, EDGE and 1xRTT, providing Internet access to users of originally voice centric 2G networks. Both EDGE and 1xRTT are 3G standards, as defined by the ITU, but are usually marketed as 2.9G due to their comparatively low speeds and high delays when compared to true 3G technologies.
LTE (4G), GSM (3G & 2G), CDMA (3G & 2G), 5G and ISM. The fundamental differences between these four modern technologies is the way they transmit and receive information. LTE (Long Term Evolution) is a 4G communication standard designed to be 10x faster than standard 3G. the technology provides IP-Based communication of voice and multimedia and