Abstract: A communication device that performs wireless communication using a plurality of links includes a common data processing unit that includes a common storage unit of a cache type storing success/failure of acquisition of packets received on the plurality of links, and that performs common data processing on packets received on individual links, and a control unit that controls transmission of a response signal to the packets received. The control unit generates a common response signal including acquisition success/failure information received on the plurality of links on the basis of acquisition success/failure information held in the common storage.

Abstract: A communication control device that causes a second communication device to generate a switching response frame indicating a response of connection switching that is to be transmitted to a communication terminal configured to switch a connection destination from a first communication device to the second communication device, on the basis of information regarding a connection between the first communication device and the communication terminal.

Abstract: The present technology relates to a wireless communication device and method, and a wireless communication terminal capable of reducing a processing time. The wireless communication device causes a wireless transmission unit to transmit a reference signal in a known pattern addressed to a wireless communication terminal in coordination with one or more other wireless communication devices, generates a request signal for requesting a second measurement result simpler than a first measurement result of the reference signal from the wireless communication terminal, and causes the wireless transmission unit to transmit the request signal. The present technology can be applied to a communication system.

Abstract: Provided is a communication device including a plurality of antenna elements and that performs wireless communication in a high frequency band while suppressing the circuit scale. The communication device includes: a communication unit that transmits and receives a wireless signal using a plurality of antenna elements; and a control unit that controls compensation for degradation in communication quality in the communication unit on the basis of control information received from outside. The communication unit includes a plurality of wireless interfaces and a delay compensation unit that compensates for delay of the wireless interfaces. The control unit determines whether or not to perform the compensation on the basis of capability information exchanged with a communication partner.

Abstract: A communication device and a communication method for allowing a communication terminal to be able to search for access points within a short time are provided. A communication device operating as an access point in a wireless network transmits a beacon signal at a predetermined beacon interval on an operation channel selected from available frequency channels. In addition, the communication device performs data transmission and data reception to/from a communication terminal subordinate thereto on the operation channel, and transmits a notification signal including information about the operation channel while switching channels at each predetermined cycle in available frequency channels other than the operation channel.

Abstract: The present technology relates to a communication device and a communication method capable for enabling more reliable acknowledgment of data receipt.

Abstract: In joint transmission using an access point, unnecessary data transmission and occurrence of a waiting time are avoided. A wireless communication devices includes a communication control unit and a signal generation unit. The communication control unit generates control information for requesting communication result information regarding whether reception is successful in a transmission destination device when first joint communication is performed jointly with another wireless communication device. The signal generation unit generates a signal including the control information generated by the communication control unit as a signal for urging second joint communication jointly with the other wireless communication device.

Abstract: A wireless communication device includes: a transmission unit that transmits a request frame indicating a request for traffic information; a receiving unit that receives a response frame in which the traffic information is stored; and a control unit that controls transmission of a frame related to permission of transmission directed to a first wireless communication device that is identified on the basis of the traffic information stored in the received response frame and that is permitted to perform multiple access. A wireless communication device includes: a receiving unit that receives a request frame indicating a request for traffic information; a transmission unit that transmits a response frame in which the traffic information is stored in response to the received request frame; and a control unit that controls transmission of a frame related to the traffic information on the basis of a communication parameter related to multiple access.

Abstract: The present technology relates to a wireless communication device and a method, in which packets can be efficiently relayed with low latency. The wireless communication device performs direct relay transmission in which a pseudo data frame, in which a packet of a data signal transmitted from a first another wireless communication device is set as another information, is generated, information based on each received packet for which error detection is performed is overwritten on each pseudo data frame to generate a data frame, and the data frame is sequentially output, and performs control to transmit the sequentially output data frames to a second another wireless communication device. The present technology can be applied to a wireless communication system.

Abstract: A communication device that performs processing for estimating out-of-band leakage power is provided. The communication device includes a communication unit that transmits and receives wireless signals in a first frequency band and a second frequency band, and a control unit that controls a communication operation in the communication unit, transmits a reference signal in the first frequency band and the second frequency band, and receives a communication result from a transmission destination of the reference signal. The control unit determines the transmission destination of the reference signal on the basis of results of exchange of capability information with the first terminal and the second terminal, and performs control such that a notification signal for notifying of transmission of the reference signal in advance is transmitted in the first frequency band and the second frequency band.

Abstract: The present technology relates to a communication control apparatus and a method, and a wireless communication apparatus and a method that enable data that has failed to be demodulated to be retransmitted with higher reliability. A communication control apparatus that functions as AP1 causes a first wireless communication apparatus that functions as AP2 to hold a Data signal including data, and causes the first wireless communication apparatus to operate to transmit the Data signal to a second wireless communication apparatus that functions as STA upon receipt of a transmission request. The present technology is applicable to a wireless communication system.

Abstract: The present technology relates to communication control devices and methods, wireless communication devices and methods, and wireless communication terminals that can prevent retransmission of data that does not need to be retransmitted. A communication control device includes a communication unit that communicates with a first wireless communication device and a second wireless communication device; and a control unit that performs control to transmit response setting information in which a transmission method of a transmission result of coordinated transmission to a wireless communication terminal by the first wireless communication device and the second wireless communication device is set to the first wireless communication device and the second wireless communication device. The present technology can be applied to communication systems.

Abstract: Frame collisions are prevented in a communication system in which wireless communication is performed in accordance with the IEEE 802.11 standard. A communication unit receives terminal list information including respective addresses of wireless terminals belonging to a predetermined network. In a case where a frame the destination of which is an address included in the transmitted terminal list information is received, a control unit sets a period to prohibit data transmission until communication in the predetermined networks is completed, and in a case where a frame the destination of which is another address not included in the terminal list information is received, the control unit sets a period to prohibit data communication until communication in a network to which the other address belongs is completed.

Abstract: The present technology relates to a wireless communication device and method, and a wireless communication terminal and method which allow for increased transmission opportunities using multi-link aggregation. A communication control device transmits a first parameter and a second parameter. The first parameter is used for setting of communication in which a wireless communication terminal uses a plurality of links. The second parameter is used for setting of communication in which the wireless communication terminal uses a single link. It is possible to apply the present technology to a wireless communication system.

Abstract: The present technology relates to a wireless communication device and method, and a wireless communication terminal capable of reducing a processing time. The wireless communication device causes a wireless transmission unit to transmit a reference signal in a known pattern addressed to a wireless communication terminal in coordination with one or more other wireless communication devices, generates a request signal for requesting a second measurement result simpler than a first measurement result of the reference signal from the wireless communication terminal, and causes the wireless transmission unit to transmit the request signal. The present technology can be applied to a communication system.

Abstract: The present technology relates to a wireless communication device and a method, and a wireless communication terminal and a method in which sounding is capable of being implemented efficiently. A wireless communication device controls transmission of antenna operation information to a wireless communication terminal, the antenna operation information being information regarding operation of an antenna for sounding in an enhanced multi-link multi-radio (EMLMR) mode. The present technology can be applied to a wireless communication system.

Abstract: A communication device that performs processing for estimating out-of-band leakage power is provided. The communication device includes a communication unit that transmits and receives wireless signals in a first frequency band and a second frequency band, and a control unit that controls a communication operation in the communication unit, transmits a reference signal in the first frequency band and the second frequency band, and receives a communication result from a transmission destination of the reference signal. The control unit determines the transmission destination of the reference signal on the basis of results of exchange of capability information with the first terminal and the second terminal, and performs control such that a notification signal for notifying of transmission of the reference signal in advance is transmitted in the first frequency band and the second frequency band.

Abstract: [Object] To reduce the frequency of the occurrence of the transmission collision of frames. [Solution] A communication device, including: a receiving unit configured to receive a frame transmitted by another terminal; a length information acquiring unit configured to acquire length information related to the frame from the received frame; and a transmission frame deciding unit configured to decide a length of a transmission frame on the basis of the acquired length information.

Abstract: The present disclosure relates to a wireless base station and a terminal device that can shorten time required for sounding information collection by a plurality of wireless base stations and suppress deterioration of following accuracy. When a wireless base station as a master performs channel measurement with a terminal device, it is possible to transmit channel measurement frames in wireless base stations including the wireless base station at the same timing or at different timings only by instructing another wireless base station to perform a channel measurement, and also transmitting a Sounding Trigger frame including a transmission timing and a transmission stream of a channel measurement frame once. The present disclosure can be applied to communication systems in wireless LAN.

Abstract: In joint transmission using an access point, unnecessary data transmission and occurrence of a waiting time are avoided. A wireless communication devices includes a communication control unit and a signal generation unit. The communication control unit generates control information for requesting communication result information regarding whether reception is successful in a transmission destination device when first joint communication is performed jointly with another wireless communication device. The signal generation unit generates a signal including the control information generated by the communication control unit as a signal for urging second joint communication jointly with the other wireless communication device.