Sony Group Corporation

Sony Corporation

Ren Sugai

Shigeru Sugaya

Yusuke Tanaka

Yuichi Morioka

Ryota Kimura

Hiroki Matsuda

Kosuke Aio

Naoki Kusashima

Ryuichi Hirata

Hiroshi Harada

Keiichi Mizutani

Kyoya Teramae

A communication device (A) includes a communication unit () and a control unit (). The communication unit () performs wireless communication with a first communication device () that supports in-band full-duplex (IBFD) communication that transmits and receives wireless signals using at least a part of resources of the same frequency and the same time. The control unit () measures channel quality with a first communication device () at each level of quality of service requested for the wireless communication with the first communication device () on the basis of interference from a second communication device (B) that performs wireless communication with the first communication device ().

Communication device and communication method

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.

An information processing device includes an encoding processing unit and a determination unit. The encoding processing unit performs error correction encoding processing in which a plurality of bit sequences are output from one or more bit sequences. The determination unit divides the plurality of bit sequences into a first bit sequence group (BS) and a second bit sequence group (BS), and determines to transmit the first bit sequence group (BS) and the second bit sequence group (BS) through different propagation paths, the first bit sequence group (BS) being decodable without performing error correction decoding processing corresponding to the error correction encoding processing, and the second bit sequence group (BS) being used for the error correction decoding processing.

Information processing device, communication system, and information processing method to increase frequency utilization efficiency

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.

Provided are an information processing device, an encoding method, and a decoding method that implement low latency communication. An information processing device of the present disclosure includes a first processing unit that performs processing of a first protocol layer including processing of generating first coded data by encoding first data with an erasure correction code that is a first code, and provides the first coded data to a second protocol layer lower than the first protocol layer.

Information processing device, encoding method, and decoding 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

The present technology aims to achieve flexible transition of a communication apparatus from a centralized communication mode to another mode. A communication apparatus includes: a transition information generation unit that generates a plurality of pieces of different transition information related to transition from a first mode in which centralized communication is performed by an access point to a second mode in which no centralized communication by an access point is performed; and a frame generation unit that generates a frame containing the transition information.

Communication apparatus and communication method

Provided is an information processing device which includes a processing unit that transmits information requesting retransmission in a coding unit of a first code processed in a second protocol layer higher than a first protocol layer that performs processing related to a second code, and performs decoding of the first code on a basis of an encoded symbol of the first code obtained by decoding of the second code.

Information processing device and information processing method

The present technology relates to a wireless communication device and a method that enable reliable transmission of data even in communication using a plurality of bands. The wireless communication device collectively manages a sequence number of data transmitted using each band in communication using a plurality of bands and controls of transmission of information on a notification method of a reception result of the data and information on a management method. The present technology can be applied to wireless communication systems.

Wireless communication device and method for multi band operations (MBO)

The present technology relates to a wireless communication apparatus and a wireless communication method that make it possible to read necessary information even in a case where a physical header at a top portion of a signal transmitted from a base station of another BSS fails to be received and the signal is received from the middle. The wireless communication apparatus includes a communication section configured to generate and transmit an OFDM signal in which second information is superimposed in a frequency axis direction of the OFDM signal which includes first information destined for one or more subordinate client devices. The present technology can be applied to a wireless communication apparatus and so forth that perform wireless communication, for example, standardized by IEEE 802.11.

Wireless communication apparatus and wireless communication method

[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.

Wireless communication device and wireless communication method

A communication apparatus includes a transition information generation unit that generates a plurality of pieces of different transition information related to transition from a first mode in which centralized communication is performed by an access point to a second mode in which no centralized communication by an access point is performed and a frame generation unit that generates a frame containing the transition information.

Provided is a communication device that favorably implements SR communication and MU communication. A communication device that operates as a base station includes a determination unit that determines a communication status in a BSS of the communication device, and a control unit that controls transmission and reception of a signal regarding connection change of a terminal according to the communication status to and from a surrounding base station. The determination unit determines the presence of a small number of terminals falling outside a distribution of implementation statuses of spatial reuse communication or multi user communication of entire subordinate terminals, and transmits a signal requesting the small number of terminals to be connected to the surrounding base station or transmits a signal inquiring of the surrounding base station acceptance of the small number of terminals.

Growing community of inventors

Kanagawa, Japan

Ren Sugai