Abstract: When a communication apparatus that can execute authentication that uses a Wi-Fi Protected Access (WPA)2 method and authentication that uses a WPA3 method performs communication with another communication apparatus in a state in which a link is established with the other communication apparatus via a plurality of frequency channels, the communication apparatus executes authentication using the WPA3 method based on at least one frequency channel of the plurality of frequency channels being a frequency channel included in a specific frequency band.

Abstract: A communication apparatus capable of performing authentication using a Wi-Fi Protected Access (WPA) 2 method and authentication using a WPA3 method performs the authentication using the WPA3 method based on a fact that communication with another communication apparatus is performed with a plurality of links established with the another communication apparatus.

Abstract: Disclosed herein is a coil component that includes a coil part embedded in a magnetic element body. The coil part has a structure in which plural interlayer insulating films and plural conductor layers having a coil pattern are alternately stacked. At least one of the conductor layers has a clearance area having no coil pattern and extending radially outward from a center axis of the coil part. The magnetic element body includes a first magnetic resin layer provided in an inner diameter area of the coil part, a second magnetic resin layer provided in a radially outside area of the coil part, and a fifth magnetic resin layer filled in the clearance area and contacting the first and second magnetic resin layers.

Abstract: A communication apparatus capable of multilink communication complying with IEEE 802.11 standard series, comprises a determination unit configured to determine, from a plurality of wireless links established with another communication apparatus, a primary link complying with the IEEE 802.11 standard series, which is a link capable of transmission of a predetermined type of a radio frame. The determination unit determines the primary link based on at least one of a first condition concerning a plurality of frequency channels corresponding to the plurality of wireless links, and a second condition concerning a radio wave status in each of the plurality of wireless links.

Abstract: A communication apparatus, compliant with an IEEE 802.11 series standard, that is capable of performing multi-link communication with an other communication apparatus using a plurality of links having different frequency channels, receives, a first frame from the other communication apparatus through a first link among the plurality of links, obtains, based on the first frame, information on a reception timing, of a predetermined interval, in the communication apparatus for the first frame transmitted from the other communication apparatus, and transmits a second frame through a second link among the plurality of links. The communication apparatus does not transmit the second frame in a period including the reception timing, and transmits the second frame through the second link in response to the first frame being received.

Abstract: A wireless communication apparatus including least a first station (STA) and a second STA, and being connectable with at least a first access point (AP) and a second AP in parallel, includes a detection unit configured to detect that a quality of communication with the first AP with which a connection is established fulfills a predetermined condition, and a connection unit configured to establish a connection with the second AP using the second STA in a case where the detection unit detects that a quality of communication with the first AP fulfills the predetermined condition in a state that a connection with the first AP is established using the first STA.

Abstract: A communication device communicates a radio frame including a preamble and a data field of a physical layer (PHY). The preamble includes an L-STF (Legacy Short Training Field), an L-LTF (Legacy Long Training Field), an L-SIG (Legacy Signal Field), an EHT-SIG-A (Extremely High Throughput Signal A Field), an EHT-STF, and an EHT-LTF, and the EHT-SIG-A includes a field indicating a standard that the radio frame complies with.

Abstract: A communication apparatus that performs communication complying with the IEEE802.11 standard series with a partner apparatus using a plurality of radio links performs control such that when a predetermined frame that is a group addressed frame is transmitted in a first radio link of the plurality of radio links, a frame addressed to the communication apparatus does not arrive in a second radio link different from the first radio link of the plurality of radio links.

Abstract: A communication device communicates a radio frame including a preamble and a data field of a physical layer (PHY). The preamble includes an L-STF (Legacy Short Training Field), an L-LTF (Legacy Long Training Field), an L-SIG (Legacy Signal Field), an EHT-SIG-A (Extremely High Throughput Signal A Field), an EHT-STF, and an EHT-LTF, and the EHT-SIG-A includes a field indicating a standard that the radio frame complies with.

Abstract: A communication apparatus complying with an IEEE802.11 series standard receives, from a first other communication apparatus, a data frame including data units and an indication of a sequence number assigned to at least one data unit of the data units, transmits, to a second other communication apparatus, a data frame including the sequence number and the at least one data unit, receives, from the second other communication apparatus, a reception confirmation with respect to the transmitted data frame, and transmits, to the first other communication apparatus, information of the sequence number of the data unit received by the second other communication apparatus, which is included in the reception confirmation.

Abstract: A communication apparatus performs data communication with another communication apparatus by using HARQ (Hybrid Automatic Repeat Request) in compliance with an IEEE 802.11 series standard, and determines, based on a state related to communication compliant with the IEEE 802.11 series standard of the communication apparatus, a retransmission type of the HARQ that the communication apparatus can use in data communication with the other communication apparatus in the communication.

Abstract: A communication apparatus for wirelessly communicating with another communication apparatus, comprising: a transmission unit configured to transmit, to the other communication apparatus, a trigger frame used as a trigger to instruct the other communication apparatus to execute data transmission in a multi-link, wherein the trigger frame includes identification information for identifying another link different from a link in which the trigger frame is transmitted in the multi-link.

Abstract: An access point apparatus transmit, to another access point apparatus, a trigger frame for triggering communication complying with an IEEE802.11 standard series between the other access point apparatus and a station apparatus, which includes information indicative of a frequency channel to be used for the communication.

Abstract: A communication apparatus configured to be able to perform multilink communications compliant with an IEEE 802.11 standard using a plurality of links, receives one or more frames transmitted through one or more links from each of a plurality of external apparatuses, discriminates an external apparatus that is a transmission source of the one or more frames based on a parameter included in each of the one or more frames, the discrimination unit discriminating, when two or more frames are received from one of the external apparatuses through two or more different links, the one of the external apparatus as the transmission source of the two or more frames, and decides a priority, in terms of communication connection, for the plurality of external apparatuses based on communication states of the two or more frames.

Abstract: There is provided a communication apparatus that complies with an IEEE 802.11 series standard, comprising: data transmitting unit for transmitting data frames each including a data unit to an other communication apparatus a plurality of times continuously; generating unit for generating a Block Ack Request (BAR) frame; BAR transmitting unit for transmitting the BAR frame to the other communication apparatus after transmission of the data frames the plurality of times continuously; and receiving unit for receiving a Block Ack (BA) frame as a response to the BAR frame, wherein the generating unit indicates a sequence number for a data unit in an initial data frame using a predetermined field in the BAR frame, and the predetermined field includes a different field from a Starting Sequence Number field in the BAR frame.

Abstract: A communication apparatus can act as a proxy to perform communication with a plurality of other communication apparatuses by receiving a request from a client apparatus in a network in compliance with the Neighbor Awareness Networking standard, and includes a first reception unit configured to receive, from a first other communication apparatus, a first signal for service provision notification, a second reception unit configured to receive, from the first other communication apparatus, a second signal for service provision notification, and a third reception unit configured to receive, from a second other communication apparatus, a third signal for service provision notification. In addition, a notification unit notifies the client apparatus of information related to the first other communication apparatus and information related to the second other communication apparatus together in a case where the first signal, the second signal, and third signal are received.

Abstract: In a case where a communication apparatus 102 communicates, via a first frequency channel, an establishment request for establishing a connection with a communication apparatus 103 via a second frequency channel different from the first frequency channel that complies with the same communication standard as a connection via the first frequency channel, or a disconnection request for disconnecting the connection, the communication apparatus 102 establishes or disconnects the connection with the communication apparatus 103 via the second frequency channel.

Abstract: A communication device communicates a radio frame including a preamble and a data field of a physical layer (PHY). The preamble includes an L-STF (Legacy Short Training Field), an L-LTF (Legacy Long Training Field), an L-SIG (Legacy Signal Field), an EHT-SIG-A (Extremely High Throughput Signal A Field), an EHT-STF, and an EHT-LTF, and the EHT-SIG-A includes a field indicating a standard that the radio frame complies with.

Abstract: A communication apparatus obtains information regarding an access category of transmission data in each of a plurality of other communication apparatuses including a first communication apparatus and a second communication apparatus, allocates wireless resources of OFDMA such that a transmission opportunity of the first communication apparatus does not precede a transmission opportunity of the second communication apparatus that has transmission data of a higher-priority access category than an access category of transmission data in the first communication apparatus, and receives a signal that has been transmitted using OFDMA in accordance with allocation of wireless resources and that conforms to an IEEE802.11 series standard.

Abstract: A communication apparatus controls notification means configured to issue a notification to a user, in such a manner as to restrict a combination of selection of a predetermined frequency band as a frequency band to be used in a case where wireless communication complying with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 series standard is executed, and selection of a predetermined authentication method as an authentication method to be used in a case where wireless communication complying with an IEEE 802.11 series standard is executed.