[Tinyos-help] Mica2 (CC1000) Packet loss with 900MHz configuration

2009-10-29 Thread Paul Johnson
Hi, My apologies in advance if this question has already been answered in the archives. I've searched for anything similar but never came up with any relevant hits. I am experiencing unusual packetloss with the Mica2 (CC1000) platform. Initially, I saw approximately a 20% loss. After doing

Re: [Tinyos-help] Mica2 (CC1000) Packet loss with 900MHz configuration

2009-10-29 Thread Agnelo Silva
Hi Paul, I made experiences with Mica2 at 433MHz and I observed the same problem for some motes of my experiments lot: 13 of a total of 42 motes always are presenting RSSI and PER issues. Observe that all of the motes are tested together which helps in finding environment problems. Therefore,

Re: [Tinyos-help] Mica2 (CC1000) Packet loss with 900MHz configuration

2009-10-29 Thread Michael Schippling
My -- limited -- experience shows that the telos/micaz radio chips are quite a bit more reliable vis the mica2 900Mhz version. I have not done a 433Mhz comparison though. You might be having multi-path or antenna placement issues, as these would be frequency dependent. As Angelo suggests,