A New Energy-Efficient Data Transmission Scheme Based on DSC and Virtual MIMO for Wireless Sensor Network

Algorithm 1

Cooperative group allocation algorithm.

(1)   for all    do  /* represents a source node;

             represents all the source node

            without traversal*/

(2)    mark as traversal, and update ;

(3)     for all    do   /* represents a source node*/

(4)     calculate the distance between and ;

(5)     end for

(6)    select the node whose satisfies Condition 1 and Condition 2;

           /*Condition 1: ;

              Condition 2: */

(7)    if   not unique then

(8)     randomly select a node from and compose a CG with ;

(9)     store this CG in the allocation table;

(10)   mark this node as traversal, and update ;

(11)   else if   unique then

(12)    and compose a CG;

(13)   store this CG in the allocation table;

(14)   mark as traversal, and update ;

(15)  else if   none then

(16)   end this cycle;

(17)  end if

(18) end for