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[Discuss-gnuradio] BBN 802.11b RSSI output

From: Cocuzzo, Daniel C.
Subject: [Discuss-gnuradio] BBN 802.11b RSSI output
Date: Thu, 02 Apr 2009 11:46:56 -0400



I’m successfully running the demo scripts supplied with the BBN 802.11b code on USRP1, with typical output:


PKT: len=59, rssi=-21, src="" time=1277411936, rate=1 Mbps

PKT: len=42, rssi=-21, src="" time=1277413056, rate=1 Mbps

PKT: len=59, rssi=-24, src="" time=1280761840, rate=1 Mbps


I found an earlier (8/3/06) post in the discussion list from a BBN developer stating :


“Note that our GNU Radio IEEE 802.11 receive code currently reports signal strength in dB with respect to an arbitrary baseline. We haven't yet calibrated this to dBm.”


Does anyone know if this calibration to dBm was ever implemented? What units are the RSSI output?




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