[Tinyos-help] RadioSignalStrength and Distance

Aaron Ault aultac at purdue.edu
Tue Mar 29 07:46:20 PST 2005

I am presenting a paper at the WinMee (www.winmee.org) conference on 
April 3rd on this exact subject.  You can find the paper at

The paper is titled "K-Nearest-Neighbor Analysis of Received Signal 
Strength Distance Estimation Across Environments."  You may also want 
to refer to a recent paper that we cite by Elnahrawy "The Limits of 
Localization Using Signal Strength: A Comparative Study" located at 


On Mar 29, 2005, at 9:55 AM, MANJUNATH wrote:

> Dear All,
>         How can I convert TOS_Msg.strength value into distance and what
>         would be the accurecy.
>         I am using MICA2 motes..
> Thanking you,
> Manjunath
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