[Tinyos-help] Data rate - Mica2

Joe Polastre polastre at cs.berkeley.edu
Fri Jul 16 10:27:35 PDT 2004


We've had trouble with the Atmel being able to process all of the interrupts
and packet composition when running at 38.4kbps.  Phil Buonadonna could
probably speak more about this.  I know some groups are actually running at
38.4 instead of 19.2

-Joe

-----Original Message-----
From: tinyos-help-bounces at Millennium.Berkeley.EDU
[mailto:tinyos-help-bounces at Millennium.Berkeley.EDU] On Behalf Of Hans-Jörg
Körber
Sent: Friday, July 16, 2004 4:11 AM
To: Tinyos-help
Subject: [Tinyos-help] Data rate - Mica2

Hello,

reading the Chipcon manual i found out that is is actually possible
to transnit Manchester encoded data with 38,4 kbit/s.
So what is the reason for setting the rate in CC1000Const.h only
to 19.2 kbit/s.

Isn't it reasonable to put the data rate as high as possible. This
would lead to less packet collisions becaus of decreased packet times.
Furthermore the higher data rate would lead to prolonged sleeping times
which would result in reduced energy consumption and thus longer
network lifetime.

Thanks in advance

H.-J. Körber
---
Dipl.-Ing. Hans-Jörg Körber
Helmut-Schmidt-Universität
Universität der Bundeswehr Hamburg
Fachbereich Elektrotechnik
Elektrische Messtechnik
Holstenhofweg 85
22043 Hamburg
Tel.  +49 40 6541 2917
Email hj.koerber at hsu-hh.de
Web   http://webcamp.unibw-hamburg.de/emt/

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