Tuesday 26 June 2012

RSSI ( Recieved Signal Strength Indicator )


RSSI


RSSI stands for Received Signal Strength Indicator .
RSSI is the power received by the receiver after all gains and losses from transmitter to receiver.
RSSI can be expressed in dbm , milliwatts or watts  but In modern P2P links the received power calculation is done in dbm and its value is in negative
RSSI (dbm) = 10 log 10 ( P mw).
RSSI has a great significance in all radio technologies. It is recommended that the value of RSSI should not exceed to a specified upper level for safe operation and long life of the radio device and value of RSSI should not be lower than the specified lower limit value for reliable link establishment.
In modern radio link technologies the RSSI should not exceed -35 dbm and should not be less that -65 dbm.
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2 comments:

  1. Unknown26 June 2012 at 03:10

    What is fade margin and receiver sensitivity?

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    Replies
    1. SANDEEP BELWAL26 June 2012 at 03:18

      Hi Mr. Prabhu , Answer to ypur query will be provided in next post..
      Hope you liked my posts...

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