Uplink grant for consecutive uplink subframes in a wireless device

A base station comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause the base station to:
• transmit an uplink grant message of Physical Uplink Shared Channel (PUSCH) transmission in a Licensed Assisted Access (LAA) cell, comprising:
• a field indicating a number of uplink subframes allocated for a PUSCH transmission;
• an assignment of resource blocks corresponding to the uplink subframes;
• and
• a power control command;
• receive PUSCH transmission in the each subframe, which is using the first transmission power in the each subframe if the first transmission power in the each subframe does not exceed a maximum allowed power value in the each subframe;
• and
• receive PUSCH transmission in the each subframe, which is transmitted using a second transmission power which does not exceed the maximum allowed power value if the first transmission power in the each subframe exceeds the maximum allowed power value in the each subframe,
• wherein a first transmission power of the PUSCH transmission in each subframe of the uplink subframes is determined based on the power control command.