| 摘要 |
A field unit includes circuitry configured to receive a signal and determine whether the received signal has a predetermined quality; circuitry configured to select a signal from a plurality of signals including a first signal indicating that the field unit is requesting an assignment of resources and the received signal was received with the predetermined quality, a second signal indicating that the field unit is requesting an assignment of resources and the received signal was not received with the predetermined quality, a third signal indicating that the field unit is not requesting an assignment of resources and the received signal was received with the predetermined quality, and a fourth signal indicating that the field unit is not requesting an assignment of resources and the received signal was not received with the predetermined quality; and circuitry configured to transmit the selected signal over a control channel. |
