Method, system and apparatus

An apparatus comprising:

• at least one processor and at least one memory Including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to:
• at a user device capable of transmitting a subframe toward a wireless network, the subframe having a subframe structure comprising at least one first symbol associated with one of physical layer signals or a first channel, and at least one second symbol associated with a second channel, determine whether a respective one of the physical layer signals or the first channel is scheduled to be transmitted in the at least one first symbol;
• and
• in response to the respective one of the physical layer signals or the first channel being determined not to be scheduled to be transmitted in the at least one first symbol and the second channel is scheduled to be transmitted during the at least one second symbol, cause transmission from the user device toward the wireless network of a signal indicating channel occupancy during the at least one first symbol and cause transmission from the user device toward the wireless network of the second channel during the at least one second symbol.

An apparatus comprising:

• at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to:
• receive, at a network node in a wireless network and from a user device, a subframe, the subframe having a subframe structure comprising at least one first symbol associated with one of physical layer signals or a first channel, and at least one second symbol associated with a second channel;
• and
• in response to a respective one of the physical layer signals or the first channel not being scheduled to be transmitted in the at least one first symbol and the second channel is scheduled to be transmitted during the at least one second symbol, the subframe comprises a signal indicating channel occupancy during the at least one first symbol and the second channel during the at least one second symbol.