1. for {i = 1, i <= k − 1, i + +} do

2. if {P_Vx<= (P_i + r/2)} then

3. if { P_Vx > (P_i − r/2)} then

4. {V_x become the candidate of a AHP_i}

5. {Comparing the |P_Vx − P_j| and |P_VNx − Pi|}

6. if {|P_Vx − P_i| is the smallest one} then

7. {V_x becomes the AHP_i}

8. if {i ∈ ID_AHP} then

9. {V_x relays the packets with its new transmission range }

10. else

11. {V_x doesn’t relay the packets }

12. end if

13. end if

14. end if

15. end if

16. end for