Abstract: [Problem to be Solved] It is possible to achieve more appropriate retransmission control in wireless LAN systems. [Solution] There is provided a wireless LAN communication device including: a generator that generates a data frame for which a data unit in which an encoding process is performed and a data unit in which a retransmission process is performed are different from each other; and a transmission section that transmits the data frame. The encoding process makes it possible to determine whether or not decoding is successful.

Abstract: The present technology relates to a communicating device and a communicating method that can realize communication of higher reliability. A communicating device is provided which includes a control section configured to perform control of transmitting data to another communicating device by using a usable frequency channel, generating a request signal including channel information regarding plural usable frequency channels, the request signal being a signal for requesting an acknowledgment signal used to confirm normal reception of the data, and transmitting the generated request signal to the other communicating device by using the plural frequency channels. The present technology is applicable to wireless LAN systems, for example.

Abstract: The present technology relates to a wireless communication apparatus and method, and a program which enable communication to be performed more efficiently. The wireless communication apparatus includes a preamble generating unit configured to generate a preamble signal including header information, an inter-training generating unit configured to generate an inter-training signal including at least part of information of the header information, and a wireless transmission processing unit configured to transmit transmission data after transmitting the preamble signal in at least one or more frequency channels among a plurality of the frequency channels and transmit a plurality of the inter-training signals by utilizing one or a plurality of the frequency channels among the plurality of the frequency channels during a transmission period of the transmission data. The present technology can be applied to a wireless communication apparatus.

Abstract: There is provided an information processing apparatus capable of improving the accuracy of the degree of comfort in another area to be learned by a user, the information processing apparatus including: a comfort degree calculation unit that calculates a degree of comfort of a particular user on the basis of sensor data of another user; and an output control unit that controls such that information regarding the degree of comfort is output to a terminal of the particular user.

Abstract: A communication device is provided that performs highly reliable data communication using a plurality of channels. The communication device includes: a generation unit that generates a transmission frame including an aggregation frame in which a sequence of subframes is multiplexed in a time axis direction and a frequency channel axis direction; and a transmission unit that wirelessly transmits the transmission frame. The generation unit generates the aggregation frame aggregated to cause each of the subframes included in the sequence to be stored at least once in each of frequency channels, and arranges in the aggregation frame at least one slot for receiving a continuation request signal.

Abstract: An AP notifies of BSS Color information of its own device together with information for specifying the BSS Color information to be managed. Upon receiving the notification, an STA identifies BSS Color information used in the same ESS and BSS Color information used in an OBSS not belonging to the ESS, and deals with signals from other BSSs in the same ESS, in accordance with signals from the BSS of its own device.

Abstract: [Object] To enable the access point device to grasp interference information without using a management device. [Solution] Provided is a station device including: a reception unit configured to receive a signal transmitted from another network other than a BSS to which the own device belongs; an acquisition unit configured to acquire parameter information regarding the signal; and a reporting unit configured to report the parameter information to an access point device that performs interference control in the BSS.

Abstract: There is provided a wireless communication apparatus serving as an access point of a wireless LAN. The wireless communication apparatus includes a wireless communication unit (110) and a controller (130). The wireless communication unit (110) receives a signal including information regarding a channel used in an OBSS (Overlap Basic Service Set). The controller (130) determines a frequency band of a channel used in a BSS (Basic Service Set) on the basis of the information regarding the channel used in the OBSS.

Abstract: A communication apparatus is provided, and the communication apparatus includes a control unit that performs control to: generate channel information relating to transmittable frequency channels of data, and bandwidth information relating to a bandwidth of a frequency to be used to transmit the data; transmit a request signal to another communication apparatus, by using a frequency channel that has been selected from the transmittable frequency channels, the request signal including the channel information and the bandwidth information that have been generated; and transmit the data to the other communication apparatus, by using frequency channels that have been selected as receivable frequency channels by the other communication apparatus. The present technology can be applied, for example, to a wireless LAN system.

Abstract: [Object] To provide a communication apparatus and a communication method which are capable of suppressing a decrease in communication efficiency in UL communication of a random access scheme. [Solution] Provided is a communication apparatus, including a communication unit configured to transmit a first frame including wireless communication resource information in which resources selectable as uplink resources are specified from a plurality of resources and attribute information related to transmission of a second frame and receive the second frame transmitted as a response to the first frame. Provided is a communication apparatus, including a communication unit configured to receive a first frame including wireless communication resource information in which resources selectable as uplink resources are specified from a plurality of resources and attribute information related to transmission of a second frame and transmit the second frame as a response to the first frame.

Abstract: To provide a communication apparatus which controls channel access operation under a multi user environment, and a communication method. Channel access operation of each STA after an MU mode is finished is controlled through a trigger frame from an AP to prevent collision immediately after the MU mode is finished. Further, the AP sets a smaller CW upon transmission of the trigger frame than a CW of an STA to preferentially transmit the trigger frame and give priority to communication in the MU mode over communication in an SU mode. Further, by the CW of each STA upon switching of the mode being not reset, a transmission waiting period after the MU mode is finished is shortened.

Abstract: [Object] To enable a communication device which has received a response frame to identify, a BSS to which a transmitting device of the response frame belongs while ensuring backward compatibility. [Solution] Provided is a communication device that transmits a response frame, including: a generating unit configured to generate the response frame in which information used for identification of a BSS to which the communication device belongs or information used for identification of an own device is included in or after a padding bit specified in IEEE 802.11; and a transmitting unit configured to transmit the response frame.

Abstract: Among information regarding a sensing device (IoT device), only particular content (attribute information) is disclosed. A communication terminal includes a packet-signal reception unit, an attribute-information extraction unit, and an attribute-information transmission unit. The packet-signal reception unit receives a packet signal transmitted from a sensing device around the communication terminal. The attribute-information extraction unit extracts attribute information on the sensing device from the packet signal transmitted from the sensing device around the communication terminal. The attribute-information transmission unit transmits the attribute information that has been extracted to a server.

Abstract: An information processing apparatus including a control unit that performs control for adding, to request information for requesting a different apparatus for a confirmation response to a plurality of data transmitted to the different apparatus, notification information. The notification information is information regarding at least sequence numbers other than a start sequence number from among sequence numbers corresponding to the plurality of data. Further, the control unit transmits the request information, to which the notification information is added, to the different apparatus.

Abstract: [Object] To enable determination as to whether or not at least part of a predetermined signal is correctly received at a transmission destination device even in the case of failure in reception processing of a signal which responds to the predetermined signal. [Solution] Provided is a communication device including: a transmitting unit configured to perform transmission processing of a first signal; a receiving unit configured to perform reception processing of a second signal which responds to the first signal in a predetermined period determined by a time point of the transmission processing; and a determining unit configured to perform determination as to whether or not at least part of the first signal is correctly received at a transmission destination device on the basis of information acquired in process of the reception processing.

Abstract: There is provided a wireless device configured to perform both multi-user spatial multiplex communication and single user communication with a communication device. The wireless device is configured to set a first waiting time for the single user communication, and count the first waiting time in a period in which a second waiting time for the multi-user spatial multiplex communication is counted. The wireless device then transmits data through the single user communication after the first waiting time expires.

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: The present technology relates to a communication apparatus and a communication method for performing wireless communication more efficiently. There is provided a communication apparatus acting as a wireless base station including a control section configured to acquire, from another wireless base station, information related to configuration information regarding the other wireless base station. On the basis of the information related to the configuration information regarding the other wireless base station, the control section performs control to generate sharing verification information indicating whether or not the configuration information regarding the other wireless base station has a commonality with the wireless base station. The control section further performs control to transmit the sharing verification information to the other wireless base station. The present technology may be applied to wireless LAN systems, for example.

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: A plurality of sensor devices that senses environmental data at installation positions is appropriately arranged. Each sensor device includes a device detection unit, a position fixing unit, a sensor unit, and a transmission unit. The device detection unit performs operation of detecting another sensor device in the surrounding area and generates a detection result thereof. The position fixing unit fixes a position of the own sensor device on the basis of the detection result obtained by the device detection unit. The sensor unit senses environmental data at a position fixed by the position fixing unit. The transmission unit transmits the data sensed by the sensor unit.