1. 3G

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  6. About 3G

    International Mobile Telecommunications-2000 (IMT--2000), better known as 3G or 3rd Generation, is a generation of standards for mobile phones and mobile telecommunications services fulfilling specifications by the International Telecommunication Union.[1] Application services include wide-area wireless voice telephone, mobile Internet access, video calls and mobile TV, all in a mobile environment. Compared to the older 2G and 2.5G standards, a 3G system must allow simultaneous use of speech and data services, and provide peak data rates of at least 200 kbit/s according to the IMT-2000 specification. Recent 3G releases, often denoted 3.5G and 3.75G, also provide mobile broadband access of several Mbit/s to laptop computers and smartphones.

    The following standards are typically branded 3G:

    • the UMTS system, first offered in 2001, standardized by 3GPP, used primarily in Europe, Japan, China (however with a different radio interface) and other regions predominated by GSM 2G system infrastructure. The cell phones are typically UMTS and GSM hybrids. Several radio interfaces are offered, sharing the same infrastructure:
      • The original and most widespread radio interface is called W-CDMA.
      • The TD-SCDMA radio interface, was commercialised in 2009 and is only offered in China.
      • The latest UMTS release, HSPA+, can provide peak data rates up to 56 Mbit/s in the downlink in theory (28 Mbit/s in existing services) and 22 Mbit/s in the uplink.
    • the CDMA2000 system, first offered in 2002, standardized by 3GPP2, used especially in North America and South Korea, sharing infrastructure with the IS-95 2G standard. The cell phones are typically CDMA2000 and IS-95 hybrids. The latest release EVDO Rev B offers peak rates of 14.7 Mbit/s downstreams.

  7. Quotes about 3G

    1. The breakthrough product was 3G, and the magic number for cost was $100 - so it would be as cheap as WiFi - though femtocell is a more complicated technology, now we're working actively with, predominantly, Taiwanese partners, and we're ramping up production in China.
      In Femtocells Go WAN
    2. LTE should solve the data issue from an access point of view, so why not phase out 3G (which is struggling to meet data demand) and keep 2G networks for basic voice services.
      In World moving toward first ever global mobile standard
    3. We are further extending our nano3G solution with our own C-class product as a natural complement to our existing S-Class and E-Class 3G units.
      Andy Tiller in Femtocell will support eight phones simultaneously