... Waterloo, On-tario, Canada, in 1997, and the M.S. and Ph.D. degrees in electrical engineering fromStanford University, Stanford, California,USA, in 1998 and 2002, respectively. Since2002, he ... allocation for bothusers at these rates are illustrated in Figure 6. Note that inhigh frequency bands, frequency-division multiplexing for the two users is enforced when MUD is off. On the otherhand, ... transmission powers for users 1 and 2, respectively. Let Sn3, Sn4be the upstream trans-mission power for users 1 and 2. Let the FEXT channels beαn1,2, αn2,1, αn3,4, αn4,3, and the NEXT...