The present invention provides a method and an apparatus for controlling a
wireless transmission in a handoff zone. The method includes receiving a
schedule grant selectively from a first base station sector of a
multiplicity of base station sectors in an active set of a mobile station
and receiving a rate control command concurrently at the mobile station
from a second base station sector of the active set that did not provide
said schedule grant to determine at least one of a rate level and a power
level based on a precedence given to the schedule grant over the rate
control command. Using a combining rule depending upon a particular case,
the mobile station may resolve a rate or a power level for a protocol in
a digital cellular network of a mobile communication system. For a first
case, a first combining rule combines one or more rate control commands
with one or more schedule grants for a common rate control protocol,
adding a grant precedence parameter, i.e., a schedule grant from a
non-serving base station sector has precedence over rate control commands
from the sectors that did not send schedule grants in the active set of a
mobile station. For a second case, a second combining rule combines more
than one rate control commands with more than one schedule grants for a
dedicated rate control protocol by selectively setting a parameter at a
value for a protocol, a rate control command from a non-serving base
station sector overrides a schedule grant from a serving base station
sector. This may allow the non-serving base station sectors to control a
level of load from multiple users.