A communication apparatus complying with an IEEE802.11 series standard, determines, based on information received from another communication apparatus connected to the communication apparatus, whether UL MU (Uplink Multiuser) communication of the other communication apparatus is enabled or disabled, acquires, from the other communication apparatus by a method according to a result of the determination, a BQR (Bandwidth Query Report) representing a state of a communication resource usable by the other communication apparatus, and decides the communication resource used to communicate with the other communication apparatus based on the acquired BQR.