Phoenix: A Collaborative Location-Based Notification System for Mobile Networks

Algorithm 1

Message propagation procedure.

Require: receive the carried message identifiers from 𝑗

 (1)  for all  𝑚∈𝒟  do

 (2)  if  𝑖 leave the target area of 𝑚  then

 (3)   𝒟←𝒟−𝑚

 (4)  else if  𝑗 carries 𝑚  then

 (5)   𝐶_𝑚←0

 (6)  else

 (7)   if  𝐶_𝑚=ℳ−1  then

 (8)    Generating and transferring a new copy of

      𝑚 to 𝑗 and making 𝑗 a carrier

 (9)    𝐶_𝑚←0

 (10)   else

 (11)    𝐶_𝑚←𝐶_𝑚+1

 (12)   end if

 (13)  end if

 (14) end for