[Tinyos-help] Re: cc2420_lpl multiple transmitters

2006-12-12 Thread Miguel Pereira
Hi David, Thanks for your help and report. In my opinion to improve the reliability you should concentrate on resend messages. The major problem, i think, is because you are not resending the messages with CCA. I think you should use resend with CCA by default and only use resend without CCA if

Re: [Tinyos-help] Re: cc2420_lpl multiple transmitters

2006-12-12 Thread Philip Levis
On Dec 12, 2006, at 2:53 AM, Miguel Pereira wrote: Hi David, Thanks for your help and report. In my opinion to improve the reliability you should concentrate on resend messages. The major problem, i think, is because you are not resending the messages with CCA. I think you should use

Re: [Tinyos-help] Re: cc2420_lpl multiple transmitters

2006-12-12 Thread David Moss
Hi Phil - The way LPL works is through continuous retransmissions of a message for the duration of a receive check period. These retransmissions are invisible to the application layer - so from the app layer, it looks like you send a single message and get a single sendDone back. LPL

Re: [Tinyos-help] Re: cc2420_lpl multiple transmitters

2006-12-12 Thread Philip Levis
On Dec 12, 2006, at 11:30 AM, David Moss wrote: Hi Phil - The way LPL works is through continuous retransmissions of a message for the duration of a receive check period. These retransmissions are invisible to the application layer - so from the app layer, it looks like you send a single