|
why
does http://www.moteiv.com/community/Reading_RSSI_values_from_Tmote_Sky
reccomend this ? When a Tmote Sky receives a packet, it stores the signal strength of the incoming packet in the TOS_Msg structure. It is also possible to read the signal strength in the absence of the incoming packets. Such functionality is useful for estimating the noise floor of a particular channel and locating sources of interference such as 802.11 networks and microwave ovens. The default radio stack does not include such functionality; this document includes instructions for how to incorporate the needed functionality into the radio stack. I would like to measure a noise floor (SNR when not send/receive messages) with telosb motes and tinyos 2.x. Thank you Paolo Latella |
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