Optimal Resource Allocation for Energy-Efficient OFDMA Networks

Algorithm 1

Joint energy-efficient resource (JERA) allocation.

Input:    and

Output:    and  

() Obtain    and   by solving the MA problem, and then get by (22), where ;

() if    then

()  return   and ;

() else

()  Obtain    and    by solving the RA problem with the power constraint , and get by (22);

() end if

() if    then

()  return    and ;

() else

() ;

() repeat

()  ;

()  Obtain by performing the OEPA algorithm (see detail in Algorithm 2) with input , and calculate   by solving

    the RA problem with ;

() until  

() return    and ;

() end if