The diagram illustrates signal coverage extension for a high-rise building. Suppose the facility has 13 levels, 11 floors and 2 basements. For example of a scenario, Floors 9th to 13th level suffering the " Ping Pong Effect " . The first to 8th level will be the " signal fades " areas. The basement and inside the elevator are " dead spot " which can not access any signal from base stations. A way of solving this problem is to install a micro base station, a cable booster and indoors distributed antennas to extend the coverage of mobile signal within this kind of large building. Users will see a noticeable increase in the range of their mobile networks as the repeater is indeed putting out a stronger signal.
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