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  2. Cellular network - Wikipedia

    en.wikipedia.org/wiki/Cellular_network

    The most common example of a cellular network is a mobile phone (cell phone) network. A mobile phone is a portable telephone which receives or makes calls through a cell site (base station) or transmitting tower. Radio waves are used to transfer signals to and from the cell phone. Modern mobile phone networks use cells because radio frequencies ...

  3. Time-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Time-division_multiple_access

    Most 2G cellular systems, with the notable exception of IS-95, are based on TDMA. GSM, D-AMPS, PDC, iDEN, and PHS are examples of TDMA cellular systems.. In the GSM system, the synchronization of the mobile phones is achieved by sending timing advance commands from the base station which instruct the mobile phone to transmit earlier and by how much.

  4. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    0G: An early cellular mobile phone technology emerged in the 1970s. At this time, although briefcase-type mobile phones have appeared, they still generally need to be installed in a car or truck. PTT: Push to talk; MTS: Mobile Telephone System; IMTS: Improved Mobile Telephone Service; AMTS: Advanced Mobile Telephone System

  5. 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.

  6. Cellular digital packet data - Wikipedia

    en.wikipedia.org/wiki/Cellular_digital_packet_data

    There are 2 kinds of Intermediate systems 1. Generic intermediate system: simple router with no knowledge of mobility issues 2. mobile data intermediate system: specialized intermediate system that routes data based on its knowledge of the current location of Mobile end system. It is a set of hardware and software functions that provide ...

  7. Mobile computing - Wikipedia

    en.wikipedia.org/wiki/Mobile_computing

    A smartphone is a tool of mobile computing. Mobile computing is human–computer interaction in which a computer is expected to be transported during normal usage and allow for transmission of data, which can include voice and video transmissions. Mobile computing involves mobile communication, mobile hardware, and mobile software ...

  8. Multi-access edge computing - Wikipedia

    en.wikipedia.org/wiki/Multi-access_edge_computing

    Multi-access edge computing (MEC), formerly mobile edge computing, is an ETSI-defined [1] network architecture concept that enables cloud computing capabilities and an IT service environment at the edge of the cellular network [2] [3] and, more in general at the edge of any network. The basic idea behind MEC is that by running applications and ...

  9. C-RAN - Wikipedia

    en.wikipedia.org/wiki/C-RAN

    C-RAN (Cloud-RAN), also referred to as Centralized-RAN, is an architecture for cellular networks. [1] [2] [3] C-RAN is a centralized, cloud computing-based architecture for radio access networks that supports 2G, 3G, 4G, 5G and future wireless communication standards. Its name comes from the four 'C's in the main characteristics of C-RAN system ...