Physical barriers (mountains, buildings, trains, etc.).Signal going through a cellular repeater.There are many different factors that influence signal strength and quality, including but not limited to: On the opposite side, professionals with a good understanding of this ratio are able for example, to correctly assess the RF links, and also to perform more extensive optimizations, obtaining the best possible performance of the system. This article talks about another magnitude, equally important: the RSSI (dbm), which impacts strength of signal.Īlthough this ratio is of fundamental importance to any cellular system, it is not well understood by many professionals. The Signal Strength is a very important and essential measure for any technology (GSM, CDMA, UMTS, LTE, etc.). This article explains how to interpret and optimize one of them : RSSI. ) display some parameters to help optimizing 2G/3G/4G connexions.
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