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  2. 3GPP - Wikipedia

    en.wikipedia.org/wiki/3GPP

    Current 3GPP standards incorporate the latest revision of the GSM standards. The documents are made available without charge on 3GPP's web site. The Technical Specifications cover not only the radio part ("Air Interface") and Core Network, but also billing information and speech coding down to source code level.

  3. System Architecture Evolution - Wikipedia

    en.wikipedia.org/wiki/System_Architecture_Evolution

    System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard.. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple ...

  4. 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.

  5. Multimedia telephony - Wikipedia

    en.wikipedia.org/wiki/Multimedia_Telephony

    The 3GPP/NGN IP Multimedia Subsystem (IMS) multimedia telephony service (MMTel) is a global standard based on the IMS, offering converged, fixed and mobile real-time multimedia communication using the media capabilities such as voice, real-time video, text, file transfer and sharing of pictures, audio and video clips. With MMTel, users have the ...

  6. List of wireless network technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wireless_network...

    CDMA2000 is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites. It is a backwards-compatible successor to second-generation cdmaOne (IS-95) set of standards and used especially in North America and South Korea, China, Japan, Australia and New Zealand.

  7. List of codecs - Wikipedia

    en.wikipedia.org/wiki/List_of_codecs

    3GPP TS 26.273 – AMR-WB+ speech Codec (C-source code) – reference implementation [27] Enhanced Voice Services (EVS) 3GPP TS.26.443 – Codec for Enhanced Voice Services (EVS) – ANSI C code (floating-point) [28] 3rd Generation Partnership Project 2 (3GPP2) Enhanced Variable Rate Codec (EVRC, a.k.a. IS-127) – based on RCELP

  8. 3GP and 3G2 - Wikipedia

    en.wikipedia.org/wiki/3GP_and_3G2

    3GP is defined in the ETSI 3GPP technical specification. [1] 3GP is a required file format for video and associated speech/audio media types and timed text in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS), Multimedia Broadcast/Multicast Service (MBMS) and Transparent end-to-end Packet-switched Streaming Service ().

  9. LTE-M - Wikipedia

    en.wikipedia.org/wiki/LTE-M

    Competing 3GPP IoT technologies include NB-IoT and EC-GSM-IoT. [5] The advantage of LTE-M over NB-IoT is its comparatively higher data rate, mobility, and voice over the network , but it requires more bandwidth, is more costly, and cannot be put into guard band portion of the frequency band for now. [ 6 ]