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  2. GSM Radio Frequency optimization - Wikipedia

    en.wikipedia.org/wiki/GSM_Radio_Frequency...

    GSM radio frequency optimization (GSM RF optimisation) is the optimization of GSM radio frequencies. GSM networks consist of different cells and each cell transmit signals to and receive signals from the mobile station, for proper working of base station many parameters are defined before functioning the base station such as the coverage area of a cell depends on different factors including ...

  3. Motorola 68020 - Wikipedia

    en.wikipedia.org/wiki/Motorola_68020

    At the time the Motorola 68000 was designed, Motorola's design and fabrication services were outdated. Although even small companies like MOS Technology and Zilog had moved on to silicon gate depletion mode NMOS logic on ever-larger wafers, Motorola was still using metal gates and enhancement mode and their largest fab worked on 4-inch wafers long after most lines had moved to 5-inch.

  4. Motorola 68040 - Wikipedia

    en.wikipedia.org/wiki/Motorola_68040

    The Motorola 68040 ("sixty-eight-oh-forty") is a 32-bit microprocessor in the Motorola 68000 series, released in 1990. [2] It is the successor to the 68030 and is followed by the 68060, skipping the 68050. In keeping with general Motorola naming, the 68040 is often referred to as simply the '040 (pronounced oh-four-oh or oh-forty).

  5. Drive testing - Wikipedia

    en.wikipedia.org/wiki/Drive_testing

    RF Drive testing is a method of measuring and assessing the coverage, capacity and Quality of Service (QoS) of a mobile radio network.. The technique consists of using a motor vehicle containing mobile radio network air interface measurement equipment that can detect and record a wide variety of the physical and virtual parameters of mobile cellular service in a given geographical area.

  6. Motorola 68010 - Wikipedia

    en.wikipedia.org/wiki/Motorola_68010

    The 68010 was never as popular as the 68000. However, due to the 68010's small speed boost over the 68000 and its support for virtual memory, it can be found in a number of smaller Unix systems, both with the 68451 MMU (for example in the Torch Triple X), and with a custom MMU (such as the Sun-2 Workstation, AT&T UNIX PC/3B1, Convergent Technologies MiniFrame, Plexus P/15 and P/20, [5] NCR ...

  7. Fault management - Wikipedia

    en.wikipedia.org/wiki/Fault_management

    An alarm is a persistent indication of a fault that clears only when the triggering condition has been resolved. A current list of problems occurring on the network component is often kept in the form of an active alarm list such as is defined in RFC 3877, the Alarm MIB. A list of cleared faults is also maintained by most network management ...

  8. DataTAC - Wikipedia

    en.wikipedia.org/wiki/DataTAC

    The DataTAC network runs at speeds up to 19.2 kbit/s, which is not sufficient to handle most of the wireless data applications available today. The network runs 25 kHz channels in the 800 MHz frequency bands. Due to the lower frequency bands that DataTAC uses, in-building coverage is typically better than with newer, higher frequency networks.

  9. Failure domain - Wikipedia

    en.wikipedia.org/wiki/Failure_domain

    Smaller failure domains reduce the risk of disruption over a large section of a network, and eases the troubleshooting process. [2] Redundancy within failure domains is a key approach to help mitigate the risks of failure. For example, technologies like RAID helps mitigate the risks of drive failure by creating multiple data copies. Replication ...