COMMUNICATION DEVICE, COMMUNICATION METHOD AND PROGRAM Russian patent published in 2021 - IPC H04W72/02 H04L27/26 H04W72/04 

FIELD: radio communication.

SUBSTANCE: receiving unit is made with the possibility of individually receiving the first control information, which relates to a set of resources without granting permission described by frequency and time, and the second control information related to the available set of resources described by frequency and time for data transmission; and a control unit is made with the possibility of randomly selecting a resource without granting permission from the set of resources without granting permission based on the first control information, determining, whether the selected resource without granting permission is available for data transmission based on the second control information, and implementing control so that data is transmitted to a transmission object using the selected resource without granting permission defined as available for data transmission.

EFFECT: providing the possibility of flexible construction, depending on application cases, and increasing the transmission efficiency of the communication system.

19 cl, 26 dwg