[Tinyos-help] what affects RSSI

2008-07-28 Thread Min Guo
Surely the longer the distance, the weaker the RSSI. Besides, if several senders are sending, due to the overlapping and the phase differences of signals, isn't it possible that the receiver may sometimes detect a stronger and sometimes a weaker RSSI than only one sender is sending? I made an expe

Re: [Tinyos-help] what affects RSSI

2008-07-28 Thread Paul Stickney
I would be more interested in the effects of radition propagation patterns (not signal inference) and environmental factors. HTH, Paul On Mon, Jul 28, 2008 at 8:38 AM, Min Guo <[EMAIL PROTECTED]> wrote: > Surely the longer the distance, the weaker the RSSI. Besides, if > several senders are sendi

Re: [Tinyos-help] what affects RSSI

2008-07-28 Thread Min Guo
Is there a good technique report for RSSI? I found the ieee802.16, but I still do not know whether RSSI can decrease when several messages meet on the air On Mon, Jul 28, 2008 at 6:11 PM, Paul Stickney <[EMAIL PROTECTED]> wrote: > I would be more interested in the effects of radition propagation >

Re: [Tinyos-help] what affects RSSI

2008-07-28 Thread Sarfraz Nawaz
This paper http://www.isi.edu/~johnh/PAPERS/Son06a.html would answer your questions. On Tue, Jul 29, 2008 at 3:08 AM, Min Guo <[EMAIL PROTECTED]> wrote: > Is there a good technique report for RSSI? I found the ieee802.16, but > I still do not know whether RSSI can decrease when several messages >