| 摘要 |
Embodiments of the present invention provide a wireless communication method, an apparatus, and a system. The method includes: receiving, by UE in a fixed downlink subframe whose subframe number is i - K UL , at least one TPC command sent by a base station, where the at least one TPC command is carried on a PDCCH whose format is a DCI format 3/3A, and the at least one TPC command includes a TPC command of an uplink signal that is sent in an uplink subframe whose subframe number is i ; determining, by the UE according to the TPC command of the uplink signal that is sent in the uplink subframe whose subframe number is i , transmit power of the uplink signal that is sent in the uplink subframe whose subframe number is i , where the subframe whose subframe number is i is the ( K UL ) th subframe that is after the fixed downlink subframe whose subframe number is i - K UL . According to the wireless communication method, the apparatus, and the system that are provided in the embodiments of the present invention, a problem that in a scenario in which a dynamic TDD uplink-downlink subframe configuration is applied, a base station fails to receive an uplink signal. |
