| CPC H04W 52/325 (2013.01) [H04L 1/1671 (2013.01); H04W 52/367 (2013.01)] | 16 Claims |

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1. A wireless communication method for use in a wireless device, the wireless communication method comprising:
transmitting data in a first period;
performing a first operation in a second period which is within the first period;
sensing a first power in a channel, in which the data is transmitted, in a third period which is after the second period and within the first period;
performing a second operation in a fourth period, which is after the third period and within the first period, based on the first power, wherein the first power is greater than a first threshold and is not greater than a second threshold and the second operation comprises transmitting the data by a reduced transmitting power in the fourth period;
sensing a second power in the channel in a fifth period, which is after the fourth period and is within the first period; and
performing a third operation in a sixth period, which is after the fifth period and is within the first period, based on the second power,
wherein a time delay between the third period and the fifth period is configured by a radio resource control (RRC) signaling, indicated by downlink control information (DCI) or set as a default value,
wherein:
the second power is greater than the first threshold and is not greater than the second threshold and the third operation comprises:
transmitting the data in the sixth period in the reduced transmitting power,
sensing a third power in the channel in a seventh period, which is after the sixth period and is within the first period, and
performing a fourth operation in an eighth period, which is after the seventh period and is within the first period, based on the third power, or
the second power is not greater than the first threshold and the third operation comprises transmitting the data in the sixth period by a power of transmitting the data before the second period.
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