Patent ID: 6930993

Claim:
A base station apparatus for communicating with a plurality of subscriber stations on a TDMA wireless communication manner, comprising: an interference time slot database for registering/storing thereinto a communication time slot in which interference happens to occur; and a TDMA control unit for executing reallocation/rearrangement of time slots communicating with the respective subscriber stations in response to a change in a traffic based upon the interference time slot information of the interference time slot database; wherein when interference is detected in a time slot received from a subscriber station, interference time slot information about said time slot in which interference is detected is registered into said interference time slot database; the time slot reallocation/rearrangement are carried out based upon registered information of said interference time slot database such that said time slot in which interference is detected is reassigned to one or more time slots where no interference has been detected; and also time slot reallocation/rearrangement information is transmitted to the respective subscriber stations, and wherein time slot allocations/arrangements of all respective ones of said plurality of subscriber stations are changed once each super frame of a TDMA frame transmission structure, and wherein said base station transmits to the respective subscriber stations subsequent time slot reallocation/rearrangement information containing new time slot arrangements, over a plurality of frames within a super frame period.