Resource Allocation for OFDM-NOMA Systems under Multiuser Scenarios with Different Speeds

Algorithm 3

Power allocation between users on the same subchannel.

  Initialize

  Set , and as a small positive value.

3. Set .

  whiledo

6:   set

   set

   ifthen

9:    ,

   else

    ,

12:   end if

  end while

  output