On Jan 18, 2011, at 2:44 PM, Jimmy wrote: > Hi, > > Currently I have a question of Micaz smallest sending rate. > > When I specified the packet size as 90 bytes and packet interval as 20 > ms, I checked the received sequence id and found nearly only half of > the transmitted packets were received. But when I decreased the packet > size to 80 bytes, or increased packet interval to 25 ms, all packets > were received. > > I was a little confused about this because I don't think the packet > transmission was saturated at this stage. One explanation I can think > of is maybe the Micaz hardware processing speed is not able to handle > this much traffic. > > I wonder whether anybody else encountered similar situation as mine. > Or what's your fastest sending rate when programming on Micaz. When I > specified packet size as 20 bytes, the packet interval can be set as > around 6ms. > > FYI, I use the timer function to trigger a packet transmission. > > Thanks for any suggestions.
Jimmy, Have checked whether the send calls are failing (i.e., with 90 byte packets you call send again before sendDone is signaled)? I'd first check the sending side. Phil _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
