Sony Corporation

Sony Group Corporation

Sca Ipla Holdings Inc.

Mitsubishi Rayon Company, Limited

Mitsubishi Rayon Engineering Co., Ltd.

Convida Wireless, LLC

Sony Europe Limited

Sony Mobile Communications Inc.

Sony Europe B.v.

Yuichi Morioka

Ryo Sawai

Kazuyuki Sakoda

Hiroaki Takano

Shigeru Sugaya

Takeshi Itagaki

Hideji Wakabayashi

Ryota Kimura

Matthew William Webb

Tomoya Yamaura

Yusuke Tanaka

Shinichi Kuroda

Brian Alexander Martin

Kosuke Aio

Eisuke Sakai

Stephen Truelove

Dimitris Koulakiotis

Ryuichi Hirata

Martin Warwick Beale

Masahito Mori

Kenzo Nishikawa

Mitsuhiro Suzuki

Satoshi Takeda

Hiroki Sakakibara

Michio Kanno

Katsuya Sanai

Yoshinori Nagasaka

Atsushi Yoshizawa

Phil Young

Rickard Ljung

Hiromasa Uchiyama

Kåre Agardh

Takushi Kunihiro

Ren Sugai

Anders Berggren

Stephen John Barrett

Lars Nord

Peter Bruce Darwood

Jussi Tapani Kahtava

Darren McNamara

Chihiro Fujita

Koki Iwai

Takanobu Ohnuma

Hiroshi Shigeno

Steven John Barrett

Masanori Sato

Yifu Tang

Erika Saito

Kenzoh Nishikawa

Fumihiro Nishiyama

Yuelin Ma

Stephen Trulove

Yusuke Tanake

Yoshiaki Kameya

A communication apparatus and a communication apparatus that perform wireless communication by a multi-user method are provided. The communication apparatus includes a communication section configured to transmit and receive a wireless signal and a control section configured to control operation as a base station, and transmits a frame that includes schedule information relating to scheduled communication of the own station and can be received by a different wireless terminal and receives schedule information relating to scheduled information of a different base station. The scheduled communication includes multi-user communication of an uplink, and the schedule information includes information relating to a transmission schedule of a frame for inducing multi-user communication of an uplink.

Communication apparatus 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 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.

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

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

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.

Wireless communication device, wireless communication system, and wireless communication method

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.

Communication device and communication method

Provided 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.

Wireless communication device

A communication apparatus and a communication method for performing wireless data transmission using multiple channels are provided. The communication apparatus operating as a base station includes: a communication section that transmits and receives a wireless signal; and a control section that controls a channel used by a subordinate wireless terminal, the control section designates a first transmission scheme to a first wireless terminal that uses a specific primary channel, and designates a second transmission scheme different from the first transmission scheme to a second wireless terminal that uses a non-primary channel that does not include the primary channel. The second transmission scheme has a lower data rate or higher transmission power than that of the first transmission scheme.

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.

Wireless communication device and wireless communication method

The present technology relates to a wireless communication apparatus and method by which communication can be performed with a higher efficiency. The wireless communication apparatus includes a preamble generation section that generates a preamble that is to be deployed at the top of a transmission frame and includes header information, a midamble generation section that generates a midamble that is to be deployed in the middle of the transmission frame and includes information of at least part of the header information, and a wireless transmission processing section that transmits the transmission frame including the preamble and the midamble. The present technology can be applied to a wireless communication apparatus.

Wireless communication apparatus and method for generating midamble and controlling transmission power

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.

Wireless terminal, communication system, and wireless terminal control method

A communication apparatus, including a communication unit configured to transmit a trigger frame including sub area information in which a sub area is specified from a resource area including wireless communication resources selectable as uplink resources and receive a response frame to the trigger frame.

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. A second wireless communication apparatus includes a communication section configured to receive a broadcast signal including network connection information regarding a wireless communication system, from a plurality of wireless base stations constituting the wireless communication system and communicating with one another, the second wireless communication apparatus functioning as a wireless terminal station. The technology may be applied to wireless communication systems in accordance with the IEEE 802.11 standard, for example.

An information processing device includes a control unit. A first device that transmits data to the information processing device has a multiplexing function for multiplexing and transmitting data from a plurality of devices including the first device to the information processing device. The control unit provided in the information processing device performs control to tell the first device having the multiplexing function a multiplexing method for notification information and presence of data addressed to the first device. The notification information indicates that the first device has shifted from a functional suspension state to a data receivable state. The information processing device can reduce power consumption.

Information processing device, and information processing method using multiple multiplexing methods

Growing community of inventors

Kanagawa, Japan

Yuichi Morioka