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Questions tagged [3g]

3G - 3rd Generation Wireless Cellular System - includes UMTS, cdma2000 and TD-SCDMA systems

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How can a router that can connect to both a TD-LTE network and a mobile phone network determine which type of equipment to connect to?

From what I understand so far, the equipment installed on the BTS that TD-LTE routers receive internet from is different from the equipment that mobile phones receive internet from. I want to know how ...
SEPEHR's user avatar
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What is terminal adapter?

What exactly is an terminal adapter (TA) in an mobile station? Why a terminal equipment (TE) and an mobile termination (MT) can't communicate directly via AT protocol? Why it needs this separate ...
worner's user avatar
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Why mobile communication protocols have *G umbrella names?

Why mobile communication protocols have *G umbrella names, like 1G, 2G, 3G, 4G and 5G? Who order them? And most inportantly, have them any technically defitions? I mean, actually protocols are GSM, ...
worner's user avatar
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What's the role of the AF entity in LTE network?

An AF entity is necessary, for example, to create a dedicated bearer, but I don't understand what it really does, and why is it necessary for this creation?
AMEL BENAIDA's user avatar
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Cell information in GSM, UMTS, LTE

I'm trying to understand how a Mobile Station get the information about the cell from the BTS or the NodeB. The information I am looking for is : Mobile Country Code (MCC) Mobile Network Code (MNC) ...
Walidebisi's user avatar