Abstract: The present technology relates to a communication device and a communication method capable of realizing more efficient communication. There is provided a communication device including a base station including a control section configured to determine whether an existing standard-compliant terminal is connected to the base station in a usage frequency band that is a frequency band to be used by the base station on the basis of existing standard-compliant terminal connection information that indicates whether the existing standard-compliant terminal is connected to the base station in a predetermined frequency band and that is received from another base station. The present technology is applicable to, for example, a wireless LAN system.

Abstract: A wireless communication system includes a wireless communication device that functions as a base station, and one or more wireless communication terminals that communicate with the wireless communication device as slave units, a controller in the wireless communication device sets propriety information indicating whether or not reception of a packet transmitted from the wireless communication terminals is possible during a downlink transmission period when the wireless communication device transmits a packet, and a communication section in the wireless communication device transmits the packet including the propriety information.

Abstract: The technology relates to a wireless communication apparatus and a wireless communication method for enabling a wireless terminal station to easily select an appropriate connection destination from among a plurality of wireless base stations. A first wireless communication apparatus includes a communication section configured to transmit to a wireless terminal station a broadcast signal including network connection information regarding a wireless communication system having a plurality of base stations communicating with each other, the first wireless communication apparatus functioning as one of the plurality of wireless base stations.

Abstract: A communications device transmitting/receiving signals to/from a mobile communications network includes one or more network elements providing a wireless access interface for the communications device. The wireless access interface includes plural communications resource elements across a host frequency range of a host carrier, and a first section of the communications resources within a first frequency range for preferable allocation to reduced capability devices forming a first reduced bandwidth carrier and a second section of the communications resources within a second frequency range for preferable allocation to the reduced capability devices forming a second reduced bandwidth carrier. Each of the first and second frequency ranges is within the host frequency range.

Abstract: The present technology relates to a communication apparatus and a communication method that can improve a communication characteristic. The communication apparatus is a base station and includes a control section configured to determine, on the basis of first communication situation information regarding a communication situation of the base station and second communication situation information regarding a communication situation received from another base station, whether or not it is permissible to carry out control of a communication parameter in the base station, and determine, on the basis of the first communication situation information and the second communication situation information, whether or not it is permissible to transmit first control request information regarding a control request of a communication parameter in the other base station. The present technology can be applied, for example, to a wireless LAN system.

Abstract: A wireless communication device including: a transmitter unit configured to transmit an RTS (Request To Send) packet to a plurality of wireless communication devices; a receiver unit configured to receive a CTS (Clear To Send) packet responding to the RTS packet; and a data processing unit configured to transmit data packets from the transmitter unit to the plurality of wireless communication devices when the CTS packet is received by the receiver unit from at least some of the plurality of wireless communication devices.

Abstract: A wireless communication device including: a wireless communication unit configured to perform wireless communication with another wireless communication device in accordance with an IEEE 802.11 standard; and a control unit configured to control the wireless communication unit so that the wireless communication unit includes schedule information in a PLCP header defined in the IEEE 802.11 standard and transmits the schedule information to the other wireless communication device, the schedule information relating to orthogonal frequency-division multiple access.

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 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: Provided is a communication apparatus including a communication unit that receives frames including first information from a plurality of other communication apparatuses and transmits first frames including information indicating a first transmission time period to the plurality of other communication apparatuses, a control unit that determines the first transmission time period on the basis of the plurality of pieces of first information, and a processing unit that generates the first frames.

Abstract: Improvement of use efficiency of radio resources is realizable. An information processing device is an information processing device which includes a reception unit and a control unit. The reception unit included in this information processing device is a reception unit which receives a packet. In addition, the control unit included in the information processing device is a control unit which controls a packet monitoring state of the information processing device in case of detection of reception of a packet not addressed to the information processing device. The packet monitoring state is controlled on the basis of reception power at the time of reception of the packet not addressed to the information processing device.

Abstract: A communication apparatus and a communication method that avoid mutual interference between nodes. The communication apparatus includes a communication section and a control section. The communication section sends and receives wireless frames. The control section controls transmission and reception of frames. The control section controls transmission, to one or more target stations and with a transmission parameter (transmission power) specified for each target station, of a trigger frame that induces transmission of a transmission refrainment frame. The communication apparatus functions as a base station, and the control section selects, as target stations, one or more subordinate terminals to which a downlink signal is to be sent and controls the transmission of the trigger frame ahead of the transmission of the downlink signal.

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: 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 communications device transmits and receives date via a wireless access interface in a mobile communications network. First resource allocation messages are received by communications devices to allocate one or more of plural communications resource elements of a host frequency range of a host carrier.

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: [Problem] It becomes possible to realize more efficient communication in a wireless local area network (LAN) system. [Solution] There is provided a wireless communication device that functions as an access point of a wireless LAN, including: a generation unit that generates a wireless signal in which allocation information for allocating a plurality of stations to one resource unit is stored; and a transmission unit that transmits the wireless signal to the stations.

Abstract: A mobile station in a wireless communication network. The mobile station includes a radio communication that transmits an access request message to a base station via a first communication resource, and receives a timing adjustment in response to the access request message from the base station. The mobile station also includes an adjustment value storage unit that stores the timing adjustment, and a control unit that adjusts access timing corresponding to a second communication resource based on the timing adjustment value stored in the adjustment value storage unit. The radio communication unit then communicates with the base station via the first communication resource and the second communication resource.

Abstract: The present technology relates to a wireless communication device that is adapted to be capable of effectively utilizing frequency resources. The wireless communication device is a wireless communication device that is connected to one or a plurality of target wireless communication devices, and that includes: a transmission unit that transmits, to another wireless communication device, a measurement request signal requesting measurement related to a propagation status of a signal from the target wireless communication device; and a receiving unit that receives a measurement request response signal transmitted from the another wireless communication device in response to the measurement request signal, the measurement request response signal including a result of the measurement. The present technology can be applied to a wireless base station and a wireless terminal station.

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.