Hi Sean,

Can you try out the latest SVN repository from google code? (By the
way, I think the issue Fabrice mentioned will not improve CTP)

Best,
Miklos

2011/1/4 Fabrice Dossin <[email protected]>:
> Dear,
> Which hardware and which tinyos version do you use ? I was having such
> problem with IRIS motes.
> I have finally switched to another routing algorithm but I was still
> experiencing issues like this. Finally it was found as a bug inside the
> rf230 driver and was fixed on the trunk repository. I've still did'nt find
> enough time to see if it also fix my CTP problem...
> Kind regards,
> Fabrice
>
> 2011/1/3 蔡沅峰 <[email protected]>
>>
>> Dear all,
>>
>> We’ve recently tested the performance of CTP under high data rate
>> scenario, though it is known that CTP is suitable under low data rate
>> situation. The data rate is 5 packets per seconds (80 bytes for payload) and
>> there are at most 8 sources and 12 relays in our testbed. We found in our
>> experiments that the PDR of some sources is very low, so we logged the send
>> and receive events. It seems the program runs normally, but after some
>> period of time (about five to ten minutes) , the packets from some relays
>> can’t be heard by its neighbors. We are not sure whether it is the hardware
>> problem or code problem. Have anyone encounter this problem or have anyone
>> ever implemented CTP under high data rate scenario?
>>
>> Best regards,
>>
>> Sean
>>
>>
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