[Tinyos-help] Packet loss problem

2007-11-26 Thread Vijayant Bhatnagar
Hi, We are trying to simulate broadcast environment. Initially we have set up 6 motes trying to send packet to "Master" Node. We have observed that not all 6 motes are able to send the packet. Is it because of backoff problem or some kind of fault with our implementation ? After going through the t

Re: [Tinyos-help] Packet loss problem micaz

2007-09-07 Thread Philip Levis
On Sep 7, 2007, at 2:14 AM, Wojciech Czylok wrote: Hello, we are working on a research projekt about wireless sensor networks and got a problem with packet loss under TinyOS 2.0.1 We use micaz family motes and our goal was to build a network topology like a repeater. The mote A sends packets

Re: [Tinyos-help] Packet loss problem micaz

2007-09-07 Thread Michael Schippling
Loosing 2% is not too bad actually, but under your ideal conditions you should be doing better. Your surmise about send contention is probably correct, but the only way I know to fix it is to implement some kind of ACK-retry mechanism. MS Wojciech Czylok wrote: Hello, we are working on a resea

[Tinyos-help] Packet loss problem micaz

2007-09-07 Thread Wojciech Czylok
Hello, we are working on a research projekt about wireless sensor networks and got a problem with packet loss under TinyOS 2.0.1 We use micaz family motes and our goal was to build a network topology like a repeater. The mote A sends packets (containing its TOS_NODE_ID and a counter) to its nei