Sony Corporation

Sony Group Corporation

Thomson Licensing

Shigeru Sugaya

Yuichi Morioka

Yusuke Tanaka

Kosuke Aio

Mitsuhiro Suzuki

Hidemasa Yoshida

Ren Sugai

Kazuyuki Sakoda

Takeshi Itagaki

Eisuke Sakai

Takehiro Sugita

Shin Saito

Ryuichi Hirata

Tomoya Yamaura

Yasunori Maeshima

Takanobu Kamo

Yuelin Ma

Jun Iwasaki

Kazuhisa Takamura

Hideki Iwami

Ken Tanaka

Masakatsu Toyoshima

Hisaki Hiraiwa

Yoshiyuki Kobayashi

Shinichi Kuroda

Naoyuki Sato

Takushi Kunihiro

Masakazu Ukita

Kenzo Nishikawa

Chihiro Fujita

Nobuhiro Ogawa

Satoshi Konya

Atsushi Okamori

Atsushi Iwamura

Sawako Kiriyama

Takuji Maekawa

Tomonari Yamagata

Yuuji Ogihara

Yasuhiko Mizoguchi

Ryoji Miyazaki

Masaaki Akahane

Yusuke Tanake

The present technology relates to a wireless communication device and method, and a wireless communication terminal and method that enable a plurality of access points to efficiently collect receipt acknowledgments of data from respective communication terminals. The wireless communication device coordinately transmits, with one or more first other wireless communication devices, data addressed to the wireless communication terminals each including information indicating a transmission timing of a receipt acknowledgment of each of the plurality of wireless communication terminals. Furthermore, the wireless communication device receives the receipt acknowledgment from each of the wireless communication terminals after transmitting the data. The present technology can be applied to a wireless communication system.

Wireless communication device and method, and wireless communication terminal and method

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.

Communicating device and communicating method

Interference with another terminal caused by joint transmission of a plurality of wireless base stations is appropriately estimated. A wireless base station includes a wireless control section and a communication section. The wireless control section, when performing joint transmission with a joint wireless base station, generates a reference signal for estimating interference given to a wireless terminal connected to another wireless base station, and determines a setting regarding joint transmission in accordance with a result of estimation of interference based on the reference signal. The communication section transmits a reference signal to another wireless base station or a wireless terminal, and announces, to a joint wireless base station, a setting regarding joint transmission.

Wireless base station and wireless terminal

A communication apparatus, and corresponding method, that transmits and receives a radio signal using a first communication band and a second communication band, and a controller that controls an operation of communication performed by the communication section, where the controller performs control such that a signal that includes information regarding a clear channel of the second communication band is transmitted using a channel of the first communication band. Further, the controller performs control such that data is transmitted to a transmission destination of the signal using one of a plurality of the clear channels of the second communication band, the plurality of the clear channels of the second communication band being included in the signal.

Communication apparatus and communication method

The present technology relates to a communication device and a communication method capable of transmitting data with a shorter waiting time. There is provided a communication device including a control unit that sets information regarding a priority of transmission on a plurality of links for each of access categories of data in a case where data is transmitted using a plurality of links corresponding to a predetermined frequency band. The present technology can be applied to, for example, a device constituting a wireless LAN system.

Communication device and communication method

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.

Acquiring interference information using obss and without management device

The present technology relates to a communication device and a communication method capable of curbing deterioration of frequency utilization efficiency. A communication device including a control unit configured to set a first frequency channel group used at the time of simultaneously transmitting data in cooperation with another communication device constituting another network, to set a second frequency channel group used for communication in a host network, and to dynamically control bandwidths of frequency bands in the first frequency channel group and the second frequency channel group is provided. The present technology can be applied to, for example, a wireless LAN system.

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.

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.

Information processing apparatus, communication system, information processing method, and program

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.

Communication apparatus

The present technology relates to a communication apparatus and an information processing method that make it possible to appropriately reduce inter-link interference. The communication apparatus according to the present technology acquires, in a case of simultaneously performing transmission and reception of a data signal with another communication apparatus using a plurality of Links, first interference information concerning interference between Links occurring in the other communication apparatus from the other communication apparatus, and decides a transmission parameter to be used by the other communication apparatus for transmission of a data signal on a basis of the first interference information and second interference information concerning interference between the Links occurring in the communication apparatus. The present technology is applicable to a wireless communication system.

Communication apparatus and information processing method

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 and a controller. The wireless communication unit receives a signal including information regarding a channel used in an OBSS (Overlap Basic Service Set). The controller 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.

Wireless communication apparatus and wireless communication method

Provided is a wireless communication terminal and a wireless communication method that make it possible to execute coordinated transmission via a desired access point. The wireless communication terminal starts setting up the coordinated transmission in order to cause a plurality of wireless communication apparatuses to execute the coordinated transmission. The wireless communication terminal is applicable to a wireless communication system.

Wireless communication terminal and method

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.

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.

Communication control device, communication control method, communication terminal, and communication method for switching a terminal from a first connection to a second connection

Growing community of inventors

Kanagawa, Japan

Shigeru Sugaya