A base unit comprising: a processor ; a memory that stores code executable by the processor, such that the base unit is arranged to: determine a plurality of consecutive uplink subframes to be transmitted from a remote unit , wherein the plurality of consecutive uplink subframes are part of an uplink burst transmission and the same frequency resource and modulation coding scheme are used in each uplink subframe of the plurality of consecutive uplink subframes; and form a Licensed Assisted Access, LAA, uplink grant message to schedule transmission of the plurality of consecutive uplink subframes, wherein: the LAA uplink grant message indicates a number of the plurality of consecutive uplink subframes to be transmitted from the remote unit ; a maximum number of consecutive uplink subframes scheduled by the LAA uplink grant message is four; the consecutive uplink subframes are part of a frame comprising ten subframes; and the LAA uplink grant message contains information to schedule multiple consecutive subframes with the same frequency resource and modulation coding scheme; and a transmitter that provides the LAA uplink grant message to the remote unit . a processor ; a memory that stores code executable by the processor, such that the base unit is arranged to: determine a plurality of consecutive uplink subframes to be transmitted from a remote unit , wherein the plurality of consecutive uplink subframes are part of an uplink burst transmission and the same frequency resource and modulation coding scheme are used in each uplink subframe of the plurality of consecutive uplink subframes; and form a Licensed Assisted Access, LAA, uplink grant message to schedule transmission of the plurality of consecutive uplink subframes, wherein: the LAA uplink grant message indicates a number of the plurality of consecutive uplink subframes to be transmitted from the remote unit ; a maximum number of consecutive uplink subframes scheduled by the LAA uplink grant message is four; the consecutive uplink subframes are part of a frame comprising ten subframes; and the LAA uplink grant message contains information to schedule multiple consecutive subframes with the same frequency resource and modulation coding scheme; and determine a plurality of consecutive uplink subframes to be transmitted from a remote unit , wherein the plurality of consecutive uplink subframes are part of an uplink burst transmission and the same frequency resource and modulation coding scheme are used in each uplink subframe of the plurality of consecutive uplink subframes; and form a Licensed Assisted Access, LAA, uplink grant message to schedule transmission of the plurality of consecutive uplink subframes, wherein: the LAA uplink grant message indicates a number of the plurality of consecutive uplink subframes to be transmitted from the remote unit ; a maximum number of consecutive uplink subframes scheduled by the LAA uplink grant message is four; the consecutive uplink subframes are part of a frame comprising ten subframes; and the LAA uplink grant message contains information to schedule multiple consecutive subframes with the same frequency resource and modulation coding scheme; and the LAA uplink grant message indicates a number of the plurality of consecutive uplink subframes to be transmitted from the remote unit ; a maximum number of consecutive uplink subframes scheduled by the LAA uplink grant message is four; the consecutive uplink subframes are part of a frame comprising ten subframes; and the LAA uplink grant message contains information to schedule multiple consecutive subframes with the same frequency resource and modulation coding scheme; and a transmitter that provides the LAA uplink grant message to the remote unit . <EOS>