Communication apparatus, information processing apparatus, control method, and computer-readable storage medium
When a communication apparatus transmits or receives a radio frame compliant with the IEEE 802.11 standard series to or from a partner apparatus in communication, capability information representing an allocation scheme of a frequency resource supported by the apparatus that has transmitted the radio frame is indicated in a MAC (Medium Access Control) frame of the radio frame.
1. A communication apparatus comprising:
one or more memories that store a set of instructions; and
at least one processing circuit, wherein the communication apparatus is caused, by the at least one processing circuit executing the instructions and/or the at least one processing circuit itself operating, to perform operations comprising:
receiving a first radio frame compliant with the IEEE 802 . 11 standard series from a partner apparatus in communication,
wherein capability information representing an allocation scheme of a frequency resource used for OFDMA (Orthogonal Frequency Division Multiple Access) supported by the partner apparatus is indicated in a MAC (Medium Access Control) frame of the first radio frame,
wherein the capability information of the communication apparatus that is to be included in a second radio frame to be transmitted to the partner apparatus is determined based on the capability information of the partner apparatus included in the first radio frame received from the partner apparatus, and
wherein the capability information in the second radio frame includes information representing whether the communication apparatus that has transmitted the second radio frame supports a static allocation scheme in which the communication apparatus is notified of allocation of the frequency resource together with a corresponding identifier and the allocation of the frequency resource is designated by the corresponding identifier when transmitting a data frame.
2. The communication apparatus according to claim 1 , wherein the capability information in the second radio frame includes information representing whether the communication apparatus that has transmitted the second radio frame supports a direct allocation scheme in which the communication apparatus is notified of allocation of the frequency resource every time a data frame is transmitted.
3. The communication apparatus according to claim 1 , the operations further comprising determining, based on the capability information of the communication apparatus and the capability information of the partner communication apparatus, an allocation scheme of the frequency resource used to transmit/receive a data frame to/from the partner apparatus.
4. The communication apparatus according to claim 3 , wherein in the determining, as the allocation scheme of the frequency resource used to transmit/receive the data frame to/from the partner apparatus, an allocation scheme of the frequency resource that can be used in both the communication apparatus and the partner apparatus is determined.
5. The communication apparatus according to claim 3 , in the determining, further based on the number of partner apparatuses that communicate in parallel, the allocation scheme of the frequency resource used to transmit/receive the data frame to/from the partner apparatus is determined.
6. The communication apparatus according to claim 3 , wherein in the determining, based on a communication characteristic of an application that uses data transmitted/received to/from the partner apparatus, the allocation scheme of the frequency resource used to transmit/receive the data frame to/from the partner apparatus is determined.
7. The communication apparatus according to claim 1 , wherein the MAC frame in one of a beacon frame, a probe request frame, a probe response frame, an association request frame, an association response frame, a reassociation request frame, and a reassociation response frame represents the capability information of the communication apparatus that has transmitted the second radio frame.
8. The communication apparatus according to claim 1 , the operations further comprising:
transmitting the second radio frame to the partner apparatus,
wherein the allocation scheme to be used between the communication apparatus and the partner apparatus is determined, by the partner apparatus, based on the capability information of the communication apparatus included in the second radio frame.
9. A control method executed by a communication apparatus, comprising:
receiving a first radio frame compliant with the IEEE 802 . 11 standard series from a partner apparatus in communication,
wherein capability information representing an allocation scheme of a frequency resource used for OFDMA (Orthogonal Frequency Division Multiple Access) supported by the partner apparatus is indicated in a MAC (Medium Access Control) frame of the first radio frame; and
transmitting a second radio frame to the partner apparatus,
wherein the capability information of the communication apparatus that is to be included in the second radio frame to be transmitted to the partner apparatus is determined based on the capability information of the partner apparatus included in the first radio frame received from the partner apparatus, and
wherein the capability information in the second radio frame includes information representing whether the communication apparatus that has transmitted the second radio frame supports a static allocation scheme in which the communication apparatus is notified of allocation of the frequency resource together with a corresponding identifier and the allocation of the frequency resource is designated by the corresponding identifier when transmitting a data frame.
10. A non-transitory computer-readable storage medium that stores a program for causing a computer included in a communication apparatus to:
receive a first radio frame compliant with the IEEE 802.11 standard series from a partner apparatus in communication,
wherein capability information representing an allocation scheme of a frequency resource used for OFDMA (Orthogonal Frequency Division Multiple Access) supported by the partner apparatus is indicated in a MAC (Medium Access Control) frame of the first radio frame; and
transmit a second radio frame to the partner apparatus,
wherein the capability information of the communication apparatus that is to be included in the second radio frame to be transmitted to the partner apparatus is determined based on the capability information of the partner apparatus included in the first radio frame received from the partner apparatus, and
wherein the capability information in the second radio frame includes information representing whether the communication apparatus that has transmitted the second radio frame supports a static allocation scheme in which the communication apparatus is notified of allocation of the frequency resource together with a corresponding identifier and the allocation of the frequency resource is designated by the corresponding identifier when transmitting a data frame.