[Tinyos-help] 20% Packet loss :(

[Alan Marchiori]

On Thu, Jul 16, 2009 at 7:32 AM, Faisal
Aslam<aslam at informatik.uni-freiburg.de> wrote:
> Hi,
>
> I have an application for different kinds of motes (i.e. mica2, micaz,
> telosb). A mote broadcast a packet after every 15 seconds. However, we
> have a packet loss of around 20%. The application is multi-hop hence a
> packet loss has worse effects. We have the similar packet loss if we
> test the application with only one sender and one receiver. Hence we do
> not think these losses are due to collisions.
> The sendDone is called every time with success hence we also know the
> packets are getting send successfully always.
> I have three questions. (1) Is that normal to loss 20% of packet while
> packet broadcast even if there is one sender and one receiver in a hop
> distance. (2) What can be the reasons of packet loss with only one
> sender and receiver (3) and how can we reduce packet loss.
>
> I will be very thankful with your reply.


3) you can try a link layer with retransmissions.  see TEP127