2009/6/8 Philip Levis <[email protected]> > > On May 29, 2009, at 5:53 AM, Rémi Villé wrote: > > Hi, >> >> In the topology file of TOSSIM we can see that we can choose a gain for a >> link from a node A to a node B and a different one for the link from B to A, >> so it may imply that, in real world, we have different gain from a mote A to >> a mote B and from B to A. >> >> I would like to know if it's indeed the case in reality, if having two >> very different gain between two motes is a rarity, if we can say the gain >> difference between two mote directed link is often in a range of one value. >> If someone knows this value it would be perfect. >> > > Please read the work at USC on this. > > It is common in reality, due to hardware variations. While it is very > uncommon (but not impossible) for the actual RF attenuation to be different > in the two directions, the two transceivers can have different frequency > sensitivity. > > Phil
Even between two telosb mote for example ? Have you got some publication title, key words, author names or links to this subject ? Thanks, Rémi
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