On 8/7/07, John Seghers <[EMAIL PROTECTED]> wrote: > Luca Dionisi wrote: > > > > Many NEOs -> many batteries. > > Few NEOs -> few power need. > > Scaleable, isn't it? > > > > I know I'm simplifying. I'm not saying it's trivial. > > The main problem here is that the WiFi hardware was not designed for the > ultra-low-power modes required to extend the "standby" time. Note how most > phones today can go for days without recharging while waiting for a call, > but get only a few hours of talk time. > > GSM and CDMA radio systems are designed to use an absolute minimum of power > when in standby. They broadcast location occasionally, but most of the time > they are just listening--and listening only to the "housekeeping" channel. > > In a mesh network using WiFi, however, the nodes need to be active any time > they are being used for data transfer. Even topological negotiation is > going to require data transfer. > > > E.g. the previously mentioned link says: > > Netsukuku is designed to handle an unlimited number of nodes with minimal > > CPU and memory resources. > > Unfortunately this doesn't say anything about power requirements. > > - John > >
John, thanks a lot for the light. Now I see. Sad. I will step back and think. _______________________________________________ OpenMoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
