Wireless communication devices for transmitting data using spatial reuse and data communication methods using the same

A data communication method of transmitting first data using spatial reuse (SR) in which the first data is transmitted via a wireless data channel while second data is contemporaneously transmitted via the wireless data channel by another device, the data communication method comprising:

• transmitting a first test signal having a first transmission factor;
• transmitting a second test signal in response to determining an acknowledgement signal corresponding to the first test signal has not been received, the second test signal having a second transmission factor different from the first transmission factor;
• and
• transmitting the first data using the second transmission factor in response to determining an acknowledgment signal corresponding to the second test signal has been received, the transmitting the first data includes adjusting a first transmission period of the first data such that the first transmission period terminates at a time at which a second transmission period of the second data terminates.

A data communication method of transmitting first data using spatial reuse (SR) in which the first data is transmitted via a wireless data channel while second data is contemporaneously transmitted via the wireless data channel by another device, the first data corresponding to a first transmission period for transmitting the first data, the data communication method comprising:

• obtaining a second transmission period of the second data from a header of the second data;
• adjusting the first transmission period based on the second transmission period to generate an adjusted first transmission period;
• and
• transmitting the first data based on the adjusted first transmission period.