Sony Corporation

Sony Semiconductor Solutions Corporation

Nec Corporation

Nec Energy Devices, Ltd.

Sony Group Corporation

Envision Aesc Energy Devices Ltd.

Ihi Corporation

Otsuka Pharmaceutical Company, Limited

Kyoto University

National Cancer Center

Envision Aesc Japan Ltd.

Hiroo Takahashi

Naohiro Koshisaka

Sonfun Lee

Takashi Yokokawa

Tatsuya Sugioka

Toshihisa Hyakudai

Takayuki Hirama

Hideyuki Matsumoto

Hiroaki Hayashi

Junya Yamada

Jiro Iriyama

Tatsuji Numata

Daisuke Kawasaki

Shin Serizawa

Ryuichi Kasahara

Tetsuya Kajita

Takahiro Fukuhara

Takuya Okamoto

Takahiro Okada

Takashi Miyamoto

Tatsuo Shinbashi

Ken Morita

Yuken Goto

Kenichi Maruko

Kazuhisa Funamoto

Kaoru Tachibana

Emiko Fujii

Kouzou Takeda

Katsuharu Shimura

Soichiro Miyazaki

Yoshitomo Osawa

Lachlan Bruce Michael

Takayuki Suzuki

Hiroki Sasaki

Toru Akishita

Naoki Yoshimochi

Hitoshi Okada

Kan Ebisawa

Haruki Eguchi

Hideo Owa

Kazuhisa Hosaka

Katsutoshi Ando

Mikio Sugiki

Kenji Hori

Hiroki Yoshizawa

Yasutaka Kono

Naoto Nishimura

Yuuki Tanaka

Tadaaki Yuba

Natsuki Yoneyama

Masanori Hirai

Masaaki Matsuu

Yoshimasa Yamamoto

Isao Nakanowatari

Hidekazu Tomono

Kazuhiko Aoyagi

Manabu Muto

Tsuguna Inagaki

Makoto Nariya

Takashi Sotohebo

Osamu Harasaki

Akihiro Nomura

A communication apparatus, method and program that accommodate diverse usage are disclosed. In one example, a packet header is generated according to a CSI-2 standard. The packet header includes setting information of conditions set for data to be transmitted in a packet is placed. An extended header is also generated, into which the setting information is to be placed separately from the packet header. Then, into an unused region defined as a region that is not used in the existing CSI-2 standard with respect to a data type that is the setting information indicative of a type of the data to be transmitted in the packet, extension mode setting information indicative of whether or not an extension mode using the extended header is used is placed. The disclosed technology can be applied, for example, in a mobile device or in an in-vehicle camera.

Communication apparatus and communication method as well as program

In one example, a communication device includes a LINK that generates a first output signal on a basis of a first external signal from a first external device, outputs the first output signal to a second external device, generates a second output signal on a basis of a second external signal from the second external device, and outputs the second output signal to the first external device, in which each of the first output signal and the second external signal includes command information indicating content of a command transmitted from the first external device, final-destination-device-identification-information for identifying a final destination device of data transmitted from the first external device, internal address information indicating an internal address of the final destination device, data length information indicating a length of the data transmitted from the first external device, and data-end-position-information indicating an end position of the data transmitted.

Communication device and communication system

The present disclosure relates to an information processing device, a mobile device, and a communication system for enabling further enhancement of safety. When communication is performed with another information processing device to perform high-speed data transmission of transmitting data of a frame including image data, an extended packet including an extended packet header and packet data, and a unique message capable of notifying that at least one of an information processing device, the another information processing device, or the image data is in a state different from a normal time or a usual time are transmitted to the another information processing device or received from the another information processing device, a session key is derived and at least one of generation, verification, or decryption of protection data of the unique message is executed, the image data is stored in the packet data, and the image data and the unique message are transmitted at different timings via a part or whole of a common communication path regarding the communication. The present technology can be applied to, for example, a communication system conforming to an MIPI standard.

Information processing device, mobile device, and communication system

Provided is a communication device that includes a communication processing control section that controls communication processing in accordance with a predetermined standard with a plurality of sensors, and a time synchronization counter to implement a timing control defined in the standard. Then, information processing is performed for an output control that causes the time synchronization counter to time synchronize with time synchronization counters included in the respective sensors to output time data indicating a timing at which sampling data is sampled together with the sampling data sampled at a predetermined sampling cycle in the plurality of sensors.

Communication device and communication method

Information processing apparatus, mobile apparatus, and communication systems are disclosed. In one example, an information processing apparatus performs high-speed data transmission of data of a frame including image data, transmits an extended packet including an extended packet header and packet data to a different information processing apparatus. First protected data of the packet data is generated with use of a session key, and a nonce value for the session key is updated every time the first protected data is generated. Further, the image data is stored in the packet data, the high-speed data transmission includes transmission of part or a whole of the nonce value, and the part or the whole of the nonce value is stored outside the extended packet header and transmitted. As an example, the information processing can be applied to communication systems compliant with the MIPI standard.

Information processing apparatus, mobile apparatus, and communication system

Transmission adaptable to a rule of packet modification prohibition on a transmission path is disclosed. In one example, transmission includes adding a packet header for extension to packet data obtained by packing data to be transmitted, and generating an application specific payload that is protected from modification on a transmission path. Supply of the application specific payload is switched to a selected one of a plurality of packet generation circuits, wherein the plurality of packet generation circuits are arranged in parallel for each of a plurality of types of physical layers, and each of the packet generation circuits is configured to add a packet header for a physical layer different from the packet header for extension for the application specific payload. A packet for the physical layer is generated by the selected one of the plurality of packet generation circuits.

Transmission device, reception device, and communication system

Communication devices and systems are disclosed. In one example, a communication device is configured to communicate with a communication partner device in accordance with a protocol including a first operation and a second operation. The first operation includes identification information of the communication partner device, write-instructing information, identification information of a first storage unit of the communication partner device, and data to be written in the first storage unit. The second operation follows the first operation and includes identification information of the communication partner device, write-instructing information, identification information of a second storage unit of the communication partner device, information indicating a number of the protocols, and a cyclic redundancy check (CRC) code used to detect an error in the protocol. The second storage unit is configured to store the CRC code and the information indicating the number of the protocols.

A communication apparatus, a communication method, and a non-transitory computer-readable medium. In one example, the communication apparatus includes a transmission circuitry, that, when a packet is distributed to a plurality of lanes and transmitted to a communication apparatus on a receiving side, is configured to transmit a packet header of the packet independently in each of the plurality of lanes. The packet header includes a cyclic redundancy check (CRC).

Communication apparatus and communication method, and program

A communication apparatus includes: a communication unit that performs signal transmission to and from a communication partner apparatus; and a communication control unit that changes a signal ratio in a first direction to the communication partner apparatus and a signal ratio in a second direction from the communication partner apparatus in accordance with a signal transmission state with the communication partner apparatus.

Communication apparatus, communication system, and communication method

The present disclosure relates to a communication device, a communication method, and a program that make it possible to provide higher communication quality. A retransmission detection unit acquires a message count included in a header of a packet transmitted from a communication device on a transmission side via a data channel, and detects the message count of the packet that is a candidate for which retransmission is requested as a retransmission candidate message count, and a retransmission request unit generates retransmission request data for requesting retransmission of the packet held to be enabled to be transmitted by the communication device on the transmission side among a plurality of the packets with the retransmission candidate message count. The present technology can be applied to, for example, a communication system mounted on a vehicle.

Communication device, communication method, and program

A transmission device according to an aspect of the present disclosure communicates with a reception device via a control data bus. The transmission device includes a generation unit that generates an interrupt request, and a transmission section that transmits data to the reception device via the control data bus. The interrupt request includes at least an identification bit to identify a type of transmission data, an information bit for the transmission data, and the transmission data.

There is provided a communication device which includes a determination section that determines propriety of a retransmission request on a basis of priority specified for each area within a frame in retransmission control, and a transmission section that generates retransmission request data, and makes transmission to another communication device, in a case where the retransmission request is permitted in the determination section.

Communication device and communication system for retransmission control

Communication device, communication system and communication method

Provided is a communication device, including: a transmission and reception unit that transmits and receives a signal with an other communication device; an error detection unit that detects an occurrence of an error by having the transmission and reception unit receive a preamble specifying a type of data to be transmitted next, and comparing a bit sequence of a signal received following the preamble to a bit sequence that should be transmitted for the type specified for transmission by the preamble; and a conflict avoidance unit that, if the occurrence of an error is detected by the error detection unit, instructs the transmission and reception unit to transmit a clock corresponding to a certain number of bits following the preamble, and then transmit an abort signal giving an instruction to terminate communication partway through.

Communication device, communication method, program, and communication system

The present disclosure relates to a communication apparatus, a communication method, a program, and a communication system that enable more reliable communication. An I3C master receives a max read length and a max write length from an I3C slave. Then, when transmitting/receiving data to/from the I3C slave, the I3C master controls transmission/reception of the data so that the data to be transferred in one data transfer has a data length equal to or shorter than the max read length and the max write length, and transmits transfer length information indicating the data length of the data to be transferred, prior to data transfer of the data. The present technology is applicable to a bus IF, for example.

Communication apparatus, communication method, program, and communication system

Growing community of inventors

Kanagawa, Japan

Hiroo Takahashi