I you want the AUTHORITATIVE definition, e.g. by IEEE, you will have to search for it.
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of Weixing Wang > Sent: quarta-feira, 18 de Janeiro de 2006 10:31 > To: ns-users@ISI.EDU > Subject: [ns] what is lifetime of sensor network > > > Hello, > > I'm confused with the lifetime of sensor network. Is it the time until the > last or the first node uses out of energy. Or, is it the time before a > small fraction of nodes die, and how exact is the fraction. I want the > AUTHORITATIVE definition, e.g. by IEEE. Any one can help? Thanks in > advance. > > Best regards, > Weixing Wang > > > > >