Patent ID: 8179823

Claim:
A communication control method in which channel assignment responses are made in downlink information from a base station device by using a TDD-OFDMA communication method between the base station device and a plurality of terminal devices in response to channel assignment requests included in uplink information from the terminal devices, comprising: a step of estimating whether a received timing of receiving the uplink information is earlier or later than a reference based on a pilot symbol included in the channel assignment request when the base station device confirms the channel assignment request from the terminal device; and a step of transmitting, based on the received timing estimation result, the channel assignment response for rejecting channel assignment with an added transmission timing shift amount when the received timing of the channel assignment request is out of a reference range; and a step of transmitting the channel assignment response performing the channel assignment to the terminal device when the received timing of the channel assignment request is in the reference range.