| 摘要 |
A wireless terminal for transmitting data to a base station with placing the data on a plurality of subcarriers, the wireless terminal includes: an antenna; and a processor configured for controlling the antenna to transmit, to the base station, a request signal for requesting an access right with placing the request signal on a predetermined number of subcarriers; and controlling the antenna to transmit, to the base station, a request message for requesting a communication resource being transmitted by subcarriers whose number is less than the predetermined number, to use the access right assigned by the base station with respect to the request signal when the wireless terminal has transmission data; wherein the processor is configured to control the antenna to transmit the request message to the base station when the level of communication with the base station is lower than a threshold value.
|
