Communication device and communication system

Abstract

[Problem] A communication device that can more efficiently avoid the hidden node problem is provided. [Solution] The communication device includes a communication unit configured to receive a data signal from another communication device, a determination unit configured to determine whether the data signal received by the communication unit includes a request for transmission of a busy signal indicating that a channel is in use, and a control unit configured to control a process of transmitting the busy signal by the communication unit, in accordance with a determination result of the determination unit.

Dependencies are inferred from the claim text.