Maximizing the Lifetime of Wireless Sensor Networks Using Multiple Sets of Rendezvous

Algorithm 1

The algorithm for finding RPs at different levels of .

Algorithm to find RPs at different levels of  

Input: T, locations of sensor nodes,

Output: , , …

(1) of nodes at level 2,

(2) for    to    do

(3)   of nodes at level

(4)  order nodes in clockwise direction

(5)  for    to    do

(6)   

(7)   if PL() ≤   then

(8)    , k++

(9)   end if

(10)  end for

(11)   if no feasible RP set exists then

(12)   

(13)   goto line (4)

(14)  end if

(15) end for