A device , comprising: a processor ; memory coupled to the processor; and a transmitter and a receiver coupled to the processor; wherein the device is configured to transmit a first signal to a base station before a first time interval expires, the first signal transmitted in a first wireless communication resource slot in the first time interval, the first wireless communication resource slot mapped to a second wireless communication resource slot in a second time interval that begins after the first time interval expires, wherein information about the mapping of the first wireless communication resource slot to the second wireless communication resource slot is installed on the device and the base station a priori; wherein further the device is configured to, upon receipt of a second signal indicating the award of the second wireless communication resource slot, transmit data in the second wireless communication resource slot; wherein the device is configured to, if the second signal is not received by the device before a timer expires during the first time interval, then transmit a third signal before the first time interval expires, the third signal transmitted in a third wireless communication resource slot in the first time interval, the third wireless communication resource slot mapped to a fourth wireless communication resource slot in the second time interval; wherein further the device is configured to recognize that it has been awarded the fourth wireless communication resource slot and can transmit data in the fourth wireless communication resource slot in response to receipt of a fourth signal indicating the award of the fourth wireless communication resource slot. a processor ; memory coupled to the processor; and a transmitter and a receiver coupled to the processor; wherein the device is configured to transmit a first signal to a base station before a first time interval expires, the first signal transmitted in a first wireless communication resource slot in the first time interval, the first wireless communication resource slot mapped to a second wireless communication resource slot in a second time interval that begins after the first time interval expires, wherein information about the mapping of the first wireless communication resource slot to the second wireless communication resource slot is installed on the device and the base station a priori; wherein further the device is configured to, upon receipt of a second signal indicating the award of the second wireless communication resource slot, transmit data in the second wireless communication resource slot; wherein the device is configured to, if the second signal is not received by the device before a timer expires during the first time interval, then transmit a third signal before the first time interval expires, the third signal transmitted in a third wireless communication resource slot in the first time interval, the third wireless communication resource slot mapped to a fourth wireless communication resource slot in the second time interval; wherein further the device is configured to recognize that it has been awarded the fourth wireless communication resource slot and can transmit data in the fourth wireless communication resource slot in response to receipt of a fourth signal indicating the award of the fourth wireless communication resource slot. <EOS>