Re: [Tinyos-help] Time Stamp

2009-02-28 Thread Miklos Maroti
gt; From: Miklos Maroti > Date: Sunday, March 1, 2009 1:06 am > Subject: Re: [Tinyos-help] Time Stamp > To: Islam Mohamad Ameen Al Jarrah > Cc: Janos Sallai , tinyHelp > > > >> Dear Islam, >> >>  Please calculate the time stamping precision you need to get 1

Re: [Tinyos-help] Time Stamp

2009-02-28 Thread Islam Mohamad Ameen Al Jarrah
- Original Message - From: Miklos Maroti Date: Sunday, March 1, 2009 1:06 am Subject: Re: [Tinyos-help] Time Stamp To: Islam Mohamad Ameen Al Jarrah Cc: Janos Sallai , tinyHelp > Dear Islam, > > Please calculate the time stamping precision you need to get 1 meter > prec

Re: [Tinyos-help] Time Stamp

2009-02-28 Thread Miklos Maroti
ruary 28, 2009 2:54 am > Subject: Re: [Tinyos-help] Time Stamp > To: Islam Mohamad Ameen Al Jarrah , tinyHelp > > > >> It's a tough problem. RF waves travel 300 meters in a microsecond. >>  This is typically more than the communication range of the motes. &g

Re: [Tinyos-help] Time Stamp

2009-02-28 Thread Islam Mohamad Ameen Al Jarrah
: Saturday, February 28, 2009 2:54 am Subject: Re: [Tinyos-help] Time Stamp To: Islam Mohamad Ameen Al Jarrah , tinyHelp > It's a tough problem. RF waves travel 300 meters in a microsecond. > This is typically more than the communication range of the motes. > TEP132/133 prescrib

Re: [Tinyos-help] Time Stamp

2009-02-27 Thread Janos Sallai
It's a tough problem. RF waves travel 300 meters in a microsecond. This is typically more than the communication range of the motes. TEP132/133 prescribes millisecond precision timestampint. The best timestamping precision you can hope for is 2-3 microseconds on average, but you need to hack the ra

[Tinyos-help] Time Stamp

2009-02-27 Thread Islam Mohamad Ameen Al Jarrah
Dear All,I need to send a packet from one mote to another with a time stamp where it will be used to calculate the distance between the two motes, and need to send an acknowledgment back to the source also with a time stamp! Can any one help me with this?Regards,Islam ___