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  2. Mobile phone signal - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_signal

    Arbitrary Strength Unit (ASU) is an integer value indicating the received signal strength measured by the mobile phone. It is possible to calculate the real signal strength measured in dBm (and thereby power in Watts) by a formula. However, there are different formulas for 2G, 3G and 4G networks. In GSM networks, ASU maps to RSSI (received ...

  3. Signal strength in telecommunications - Wikipedia

    en.wikipedia.org/wiki/Signal_strength_in...

    Weak signal strength can also be caused by destructive interference of the signals from local towers in urban areas, or by the construction materials used in some buildings causing significant attenuation of signal strength. Large buildings such as warehouses, hospitals and factories often have no usable signal further than a few metres from ...

  4. Opensignal - Wikipedia

    en.wikipedia.org/wiki/Opensignal

    Opensignal NetworkRank is an in-app service comparing the performance of different cellular carriers in particular regions. The service is a part of their carrier maps, which are colour-coded to show areas of strong and weak cell phone signal. The information used is provided by users of the Opensignal application. [5]

  5. You’re Not Imagining It: Cell Phone Reception Is Getting Worse

    www.aol.com/finance/not-imagining-cell-phone...

    A separate test to check my cell phone signal strength found that at home, I had something called RSRP of -108 – generally considered “poor signal,” and at the office, I had RSRP of -111 ...

  6. The Best Cell Phone Signal Boosters for Staying Connected - AOL

    www.aol.com/best-cell-phone-signal-boosters...

    Cell phone signal strength is measured in decibels (dB), a more accurate way to gauge versus the number of bars on your display. Generally speaking, that ranges from -50 dB to -120 dB. Values of ...

  7. Angle of arrival - Wikipedia

    en.wikipedia.org/wiki/Angle_of_arrival

    The aim is either for the cell system to report the location of a cell phone placing an emergency call or to provide a service to tell the user of the cell phone where they are. Multiple receivers on a base station would calculate the AoA of the cell phone's signal, and this information would be combined to determine the phone's location.