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VOACAP (Voice of America Coverage Analysis Program) [1] is a radio propagation model that uses empirical data to predict the point-to-point path loss and coverage of a given transceiver if given as inputs: two antennas (configuration and position), solar weather, and time/date.
RF and microwave antennas, components, and systems, including mobile devices. MRI coils, radar, waveguides, SAR validation. AWR Axiem: commercial Yes Yes Yes Yes Yes Automatic, Hybrid MoM PCBs, multi-layer PCBs, LTCC, HTCC, on-chip passives, printed antennas. Integrated into Microwave Office. AWR Analyst: commercial Yes Yes Yes Yes Yes
Android phones, like this Nexus S running Replicant, allow installation of apps from the Play Store, F-Droid store or directly via APK files. This is a list of notable applications (apps) that run on the Android platform which meet guidelines for free software and open-source software.
Users of the app share information with Opensignal, which is used in their independent maps of carrier coverage and NetworkRank service. As of July 2021 the app has been downloaded over 10 million times. [4] Opensignal NetworkRank is an in-app service comparing the performance of different cellular carriers in particular regions.
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Instead of one antenna with omnidirectional coverage, the station may use as few as 3 (rural areas with few customers) or as many as 32 separate antennas, each covering a portion of the circular coverage. This allows the base station to use a directional antenna that is pointing at the user, which improves the signal-to-noise ratio. If the user ...
A coverage map may be produced to indicate the area in which a certain signal strength is delivered. [1] Even if it is 100% accurate (which it never is), a major factor on whether a signal is receivable depends very much on whether the receiving apparatus is sensitive enough to use a signal of that level.
When the user goes to a covered area, the noticer ceases beeping. Similarly coverage maps are often used to visualize coverage, these are produced by networks themselves as well as independent companies. Coverage noticers can be integrated in a mobile phone also and several apps exist to show coverage maps on devices, including OpenSignal.