Research Article

Prolonging the Lifetime of Wireless Sensor Networks Interconnected to Fixed Network Using Hierarchical Energy Tree Based Routing Algorithm

Figure 5

Remaining energy of ALL pattern sensor nodes with different routing algorithms and TCP/EXP.
(a) Energy versus time plot of DSDV
(b) Energy versus time plot of AODV
(c) Energy versus time plot of LEACH
(d) Energy versus time plot of HETRA