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  2. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

  3. CDMA2000 - Wikipedia

    en.wikipedia.org/wiki/CDMA2000

    CDMA2000 1X (IS-2000), also known as 1x and 1xRTT, is the core CDMA2000 wireless air interface standard.The designation "1x", meaning 1 times radio transmission technology, indicates the same radio frequency (RF) bandwidth as IS-95: a duplex pair of 1.25 MHz radio channels. 1xRTT almost doubles the capacity of IS-95 by adding 64 more traffic channels to the forward link, orthogonal to (in ...

  4. Code-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Code-division_multiple_access

    Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel.

  5. List of CDMA terminology - Wikipedia

    en.wikipedia.org/wiki/List_of_CDMA_terminology

    IMSI 11 12 – Same as MNC (Mobile Network Code) IMSI S – Short IMSI, Mobile Identification Number Inbound Roamer. Industry Organizations. INF – Industry Negative File Interconnection. Inter standard roaming. IRM – International roaming MIN IS-2000 – Superseded by TIA-2000. IS-41 – Superseded by TIA-41. IS-835. IS-856 – Superseded ...

  6. CDMA frequency bands - Wikipedia

    en.wikipedia.org/wiki/CDMA_frequency_bands

    From the latest published version of the respective 3GPP2 technical standard (C.S0057-F), [5] the following table lists the specified frequency bands of the cdmaOne and CDMA2000 standards. [6] [7] [8]

  7. UMTS - Wikipedia

    en.wikipedia.org/wiki/UMTS

    The Universal Mobile Telecommunications System (UMTS) is a 3G mobile cellular system for networks based on the GSM standard. Developed and maintained by the 3GPP (3rd Generation Partnership Project), UMTS is a component of the International Telecommunication Union IMT-2000 standard set and compares with the CDMA2000 standard set for networks based on the competing cdmaOne technology.

  8. IMT-2000 - Wikipedia

    en.wikipedia.org/wiki/IMT-2000

    also known as CDMA2000, the successor to 2G CDMA ; IMT-2000 CDMA TDD. also known as TD-SCDMA; IMT-2000 TDMA Single Carrier. also known as EDGE, an intermediate 2.5G technology; IMT-2000 FDMA/TDMA. also known as DECT; To meet the IMT-2000 standards, a system must provide peak data rates of at 384 kbit/s for mobile stations and 2 Mbit/s for fixed ...

  9. List of CDMA2000 networks - Wikipedia

    en.wikipedia.org/wiki/List_of_CDMA2000_networks

    [11] [12] China Telecom China: CDMA2000 1xRTT, EV-DO Rev. B 450 / 800 / 2100: Mar 2003 ... Voice data via IP over the CDMA2000 1x EV-DO network. Interdnestrcom