Techniques are provided to manage interference for soft handoff and broadcast services in a
wireless frequency hopping communication
system (e.g., an OFDMA
system). These techniques may be used for the forward and reverse links. In a first scheme, an FH function ƒsho(r,T) is used for soft-handoff users, an FH function ƒs<sub2>i< / sub2>(k,T) is used for users not in soft handoff in each sector si, and the FH function ƒs<sub2>i< / sub2>(k,T) is modified to be orthogonal to the FH function ƒsho(r,T) if and when necessary. In a second scheme, the FH function ƒsho(r,T) used for soft-handoff users is defined to be orthogonal to or have
low correlation with the FH function ƒs<sub2>i< / sub2>(k,T) used for users not in soft handoff in each sector si, so that modification of the FH function ƒs<sub2>i< / sub2>(k,T) is not needed. The FH function ƒs<sub2>i< / sub2>(k,T) for each sector may be defined to be pseudo-random with respect to the FH functions ƒs<sub2>i< / sub2>(k,T) for other sectors.