Received signal strength indicator: Difference between revisions

Revision as of 07:02, 11 March 2024

Revision as of 04:02, 12 March 2024

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{{Short description|Measurement of the power in a radio signal}}

[[File:Signal Strength -74 dBm 66 asu LTE Golan Telecom Signal Bars EN.jpg|thumb|Cellular Signalsignal strength of -74dBm (or 66 {{abbr|asu|arbitrary signal unit}}) displayed on a smartphone. Also shown: signal bars of two cellular networks, and signal bars of a Wi-Fi network.]]

In [[telecommunications]], '''received signal strength indicator''' or '''received signal strength indication'''<ref name="Usage of received signal strength indicator v. received signal strength indication in literature">{{cite web |url=https://books.google.com/ngrams/graph?content=received+signal+strength+indicator%2Creceived+signal+strength+indication&year_start=1800&year_end=2019&corpus=en-2019&smoothing=3 |website=Google Ngram Viewer |title= Usage of received signal strength indicator v. received signal strength indication in literature}}</ref> ('''RSSI''') is a measurement of the [[Electric power|power]] present in a received [[radio]] signal.<ref>{{Cite book

|author=Martin Sauter |year=2010 |title=From GSM to LTE: An Introduction to Mobile Networks and Mobile Broadband |chapter=3.7.1 Mobility Management in the Cell-DCH State |type=eBook |publisher=[[John Wiley & Sons]] |page=160 |isbn=9780470978221 |accessdate=2013-03-24 |chapter-url=https://books.google.com/books?id=uso-6LN2YjsC&q=received%20signal%20strength&pg=PA160 }}</ref>