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Networked Life by Mung Chiang

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19 Why am I getting only a few % of the advertised 4G speed?

By the end of this chapter, you will count yourself lucky to get as much as a few percent of the advertised speed. Where did the rest go?

19.1   A Short Answer

First of all, the terms 3G and 4G can be confusing. There is one track following the standardization body 3GPP called UMTS or WCDMA, and another track in 3GPP2 called CDMA2000. Each also has several versions inbetween 2G and 3G, often called 2.5G, such as EDGE, EVDO, etc. For 4G, the main track is called Long Term Evolution (LTE), with variants such as LTE light and LTE advanced. Another competing track is called WiMAX. Some refer to evolved versions of 3G, such as HSPA+, as 4G too. All these have created quite a bit of ...

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