There is a random backof for collision avoidance of the order of 1-5 ms. In contrast, transmitting 30 bytes is 1 ms. Miklos
On Tue, Jun 22, 2010 at 3:30 AM, Tran Thi Thuy Trang <[email protected]>wrote: > Hi, > I'm trying to measure how long does it take to send a packet in IRIS mote. > The sending time I measured here is calculated from AMSend.send is called > until AMSend.sendDone is signaled. > I expected that this sending time should increase together with growing > packet size. However, when I tried from packet size 1 to maximum packet size > 102. There is no clear increment in sending time . In fact, sending time > varies without any pattern. > Could anyone please help me explain why this happens? Is there any link > layer mechanism I should know :)?. Thanks very much in advance. > > Regards, > Trang > > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help >
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