Synchronizing the nodes might be hard... Couldn't you use hop count and
estimate the average delay as a function of distance? With hop count +
average delay, you can estimate the total delay...
A workaround for this is to have the motes start a oneShot time with
interval of 0x ms, then try to turn the motes on at the same time;
But you have to check how desynchronized the nodes get.
2007/11/30, antonio gonga [EMAIL PROTECTED]:
Hey all,
I'd like to use timeStamp while sending a message.
The Sender insert the time on which the message was sent, and the Base
Station also inserts the time when the message is received. On the
application layer (java Application, the system converts and subtracts these
values, so that a delay can be calculated.
Using this strategy it's possible to calculate the delay between two
sensor. It's important because I want to use it to send messages over 1Km(
i.e Wide area Wireless Sensor Network) using intermediate node. If some
data sensitive to delay has to be carried in the packets this could be the
first step to evaluate the possibility or impossibility to use WSN
I think there should be a function that enables to insert packet
timestamps like in RTP.
thanks in advance
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