Abstract: [Object] To enable an access point device to grasp interference information without using a management device. [Solution] Provided is a communication device including: an acquisition unit configured to acquire first parameter information regarding an own BSS; and a transmission unit configured to transmit the first parameter information to a device belonging to another BSS which interferes with the own BSS.

Abstract: A wireless communication apparatus is provided that performs wireless communication using a specified wireless channel and forms part of an ad hoc wireless network. The device includes a recording portion that records country ID information and recording-time information in to a storage medium, where the recording-time information indicates the time at which the country ID information was recorded in to the storage medium, a time determination portion that uses the recording-time information to determine whether a predetermined time period has elapsed from the time at which the country ID information was recorded, and a channel setting portion that, when the predetermined time period has not elapsed from the time at which the country ID information was recorded in the storage medium, sets a wireless channel to a frequency channel that can be used in the country indicated by the country ID information recorded in the storage medium.

Abstract: A wireless communication device includes: a control unit configured to control generation of a participation request frame relating to a request for participation in a group, which includes at least one wireless communication device, in which role information specifying a communication role in communication with an outside of the group is stored on a basis of group information regarding the group; and a transmission unit configured to transmit the participation request frame. A wireless communication device including: a transmission unit configured to transmit a report frame in which group information regarding a group including at least one wireless communication device is stored; and a reception unit configured to receive a participation request frame relating to a request for participation in the group in which role information specifying a communication role in communication with an outside of the group is stored.

Abstract: [Object] To provide a mechanism capable of improving the efficiency of wireless communication even in a case in which the sequence numbers of received data units are non-sequential. [Solution] A wireless communication device including: a processing unit that generates a protocol data unit (PDU) that has sequence information with which a sequence number of a data unit that is determined as being to be resent is specified; and a communication unit that transmits the PDU generated by the processing unit. A wireless communication device including: a communication unit that receives a protocol data unit (PDU) that has sequence information with which a sequence number of a data unit that is determined as being to be resent is specified; and an acquisition unit that acquires the sequence information from the PDU received by the communication unit.

Abstract: A communication device, including: a processing unit configured to generate a first protocol data unit (PDU) including first sequence number information specifying a first sequence number of a data unit set for each multicast group, multicast group information specifying a multicast group, and a data unit; and a wireless communication unit configured to transmit the first PDU generated by the processing unit. The communication device provides a mechanism capable of improving efficiency of wireless communication even in a case in which a plurality of types of multicast communication which differ in a multicast group serving as a destination are performed.

Abstract: An information processing apparatus includes a control unit. The control unit controls transmission of an inducement frame for causing another communication device to transmit a transmission suppression period reduction frame for reducing a transmission suppression period. In addition, the control unit controls transmission of the transmission suppression period reduction frame on the basis of the inducement frame in a case where the control unit receives the inducement frame. Transmission suppression periods set in other information processing apparatuses are equally reduced to eliminate inequality in using wireless resources.

Abstract: [Object] To provide a mechanism capable of preventing communication collision while suppressing a reduction in the opportunities to access the transmission path. [Solution] A communication device, including: a processing unit configured to generate a second frame used for releasing a stop of transmission of a frame caused by a first frame, the second frame including first destination information specifying a destination stored in the first frame, the first frame being used for stopping transmission of frames of communication devices other than the destination and serving as a response to a communication request and a wireless communication unit configured to transmit the second frame.

Abstract: An information processing apparatus includes a control part. The control part performs control to transmit a frame for requesting the transmission of data to an information processing apparatus as a destination of the data and for requesting information processing apparatuses other than the information processing apparatus as the destination to set a transmission inhibition time, the frame being transmitted with transmitting power determined on the basis of surrounding environment information regarding an environment surrounding the information processing apparatus transmitting the frame. Transmission of the frame causes the transmission inhibition time to be set over an appropriate range of information processing apparatuses. Efficiency of utilization of communication resources is improved by suitably setting a transmission inhibition time.

Abstract: To provide a mechanism capable of improving the efficiency of communication without disturbing other communication. A wireless communication device includes: a reception unit that receives a signal; and a transmission unit that transmits a signal on a basis of a first threshold value set in association with a second threshold value. The first threshold value includes a detection level related to an electric wave in the wireless communication device, and the second threshold value includes a reception determination level of a signal detected by the wireless communication device, which is set on a basis of transmission power of the wireless communication device.

Abstract: [Object] To provide a mechanism capable of avoiding overlapping of wireless communication network identifiers while curbing degradation of utilization efficiency of the wireless communication resource. [Solution] A communication device includes a communication unit that transmits a request signal for a wireless communication network identifier identified in a physical layer and receives a response signal by a wireless communication resource corresponding to the wireless communication network identifier after the transmission of the request signal. A communication device includes a communication unit that receives a request signal for a wireless communication network identifier identified in a physical layer and transmits a response signal by a wireless communication resource corresponding to the wireless communication network identifier after the reception of the request signal.

Abstract: Wireless communication is appropriately performed. An information processing apparatus is an information processing apparatus including a management unit. The management unit included in the information processing apparatus manages a transmission suppression time period set in a network including the information processing apparatus. Along with the management, the management unit also manages a transmission suppression time period set in each of other networks, the other networks not including the information processing apparatus and transmitting radio waves reaching at least the information processing apparatus, the management unit managing the transmission suppression time period for each of the other networks.

Abstract: A wireless communication apparatus is provided that performs wireless communication using a specified wireless channel and forms part of an ad hoc wireless network. The device includes a recording portion that records country ID information and recording-time information in to a storage medium, where the recording-time information indicates the time at which the country ID information was recorded in to the storage medium, a time determination portion that uses the recording-time information to determine whether a predetermined time period has elapsed from the time at which the country ID information was recorded, and a channel setting portion that, when the predetermined time period has not elapsed from the time at which the country ID information was recorded in the storage medium, sets a wireless channel to a frequency channel that can be used in the country indicated by the country ID information recorded in the storage medium.

Abstract: [Object] To provide a communication device and a communication method capable of reducing a communication overhead occurring in use of a block ACK. [Solution] A communication device including: a communication unit configured to transmit a first frame including a request parameter and data for a block acknowledge (ACK) and receive a second frame including a confirmation response to a response parameter and the data for the block ACK.

Abstract: A communication device includes a communication unit configured to transmit a physical layer (PHY) header including two pieces of information for identifying direct link communication. A communication device includes a communication unit configured to receive a PHY header including two pieces of information for identifying direct link communication and receive a portion subsequent to the PHY header on a basis of the two pieces of information. A communication device includes a communication unit configured to transmit a PHY header including two pieces of information for identifying mesh network communication. A communication device includes a communication unit configured to receive a PHY header including two pieces of information for identifying mesh network communication and receive a portion subsequent to the PHY header on a basis of the two pieces of information.

Abstract: [Object] To provide a mechanism which is capable of suppressing a decrease in the communication efficiency while reducing the power consumption even in communication in which a plurality of wireless communication networks are the destination. [Solution] A communication device includes a communication unit configured to transmit a frame including a physical layer (PHY) header including a wireless communication network identifier. The wireless communication network identifier includes a second level wireless communication network identifier in which a plurality of first level wireless communication network identifiers are specified. A communication device includes a communication unit configured to receive a physical layer (PHY) header including a wireless communication network identifier. The wireless communication network identifier includes a second level wireless communication network identifier in which a plurality of first level wireless communication network identifiers are specified.

Abstract: [Object] To provide a mechanism capable of suppressing confusion in communication using a local identifier. [Solution] A communication device includes a communication unit configured to receive a first signal addressed to another communication device including first information in which a local identifier which is used in a wireless local area network (LAN) and different from a global identifier is specified and transmit a second signal including second information in which the local identifier specified from the first information included in the received first signal is specified. A communication device includes a communication unit configured to receive a second signal including second information in which a local identifier which is used in a wireless local area network (LAN) and different from a global identifier is specified and transmit a third signal including third information in which the local identifier allocated by the communication device is specified.

Abstract: In wireless communication with another communication apparatus in a predetermined wireless network, overhead information defined in a media access control layer is divided into a header of information necessary for the common access control and a header of information necessary for each payload. Address information is added to the header of information necessary for the common access control to transmit the generated header attached to the transmission data. For example, in a case of forming a physical burst in which a plurality of data payloads are combined into one, a frame structure is provided without useless repetition of address information.

Abstract: An information processing device includes a control unit. The control unit performs control to restrict retransmission of data or transmission of a request for an acknowledgment of receipt of the retransmission data, in accordance with the congestion status of a wireless transmission traffic. The control unit also performs control to transfer acquired data to an upper layer in case of having successfully acquired the data up to a predetermined sequence number in multicast data transmitted from another device that restricts retransmission of data in accordance with the congestion status of a wireless transmission traffic. The device can prevent decreases in the total throughput in a network.

Abstract: [Object] To provide a mechanism capable of improving communication efficiency even in communication before allocation of an AID. [Solution] A communication device including: a communication unit configured to transmit a first frame including a second association identifier decided by a communication device to which a first association identifier is allocated and receive a second frame including information related to the second association identifier.

Abstract: A wireless communication system of the invention comprises a plurality of communication stations decentralized-autonomously construct a network without having a relation between a control station and a station to be controlled under a communication circumstance where a plurality of channels are prepared. In this case, each of the communication stations prepares a plurality of operation modes for activating transmitting and receiving operations, informs the own operation mode, and receives information regarding operation modes of peripheral stations to manage its operation mode of each of the peripheral stations.