Abstract: To extend the number of bits of an identifier without affecting the number of data bits to be transmitted. The present disclosure provides a receiving apparatus (1102) that identifies a transmitting apparatus (1101) based on a first identifier (10) having been individually given to each transmitting apparatus in order to identify the transmitting apparatus and a second identifier (20) which is for identifying the transmitting apparatus and which is shared among a plurality of transmitting apparatuses. According to this configuration, the number of bits of an identifier can be extended without affecting the number of data bits.

Abstract: The present disclosure relates to a transmitting device and a transmitting method, and a receiving device and a receiving method which are capable of improving confidentiality and communication resistance in low power wide area (LPWA) communication. The transmitting device generates a key stream on the basis of GPS time information, encrypts transmitted data on the basis of the key stream to generate encrypted data, and transmits the encrypted data to the receiving device. The receiving device generates a key stream on the basis of GPS time information and decodes the encrypted data into the transmitted data on the basis of the key stream. The present disclosure can be applied to an LPWA communication system.

Abstract: The present technology relates to a transmission device, a transmission method, a reception device, a reception method, and a communication method capable of shortening a pause time of data transmission. According to an aspect of the present technology, a transmission device classifies channels usable for data transmission into a plurality of groups, selects the channels that are used in transmission units and that continue on a time axis from the channels of the different groups in accordance with an identifier, and performs the data transmission of the transmission units by using the selected channels. It is possible to make application to a communication system transmitting data through one-way communication from a transmission device to a reception device.

Abstract: The present technology relates to an information processing device, an information processing method, a transmitter, a transmission method, a receiver, and a reception method which can provide setting information necessary for each receiver. An information processing device of one aspect of the present technology holds non-common setting information that is not common setting information among setting information used in transmitters for setting for transmitting information in association with identification information of the respective transmitters. In addition, the information processing device transmits, to a receiver that has received identification information transmitted from a predetermined transmitter using common setting information that is setting information common in the plurality of transmitters, the non-common setting information associated with the identification information received by the receiver.

Abstract: A communication device includes an acquisition unit configured to acquire first information for communication in which a first frequency band has been used, the first frequency band being an unlicensed band in which a plurality of communication schemes can be mixed, from a second frequency band different from the first frequency band, and a communication control unit configured to control communication in a predetermined communication scheme in which the first frequency band has been used, on the basis of the first information.

Abstract: An object of the present invention is to secure a relative relationship when positions are displayed by use of position information transmitted from a plurality of wireless communication devices. Each of the wireless communication devices of the present invention includes a position information acquisition unit and a transmission unit. The position information acquisition unit acquires the position information of the wireless communication devices by the GPS, for example. At that time, the position information acquisition unit also acquires time information when the position information is acquired. The transmission unit transmits transmission data including the position information and the time information when the position information is acquired in a predetermined transmission slot.

Abstract: An information processing apparatus includes an acquisition unit that acquires first position information indicating a position of a target object in a target region and a generation unit that generates, on the basis of the first position information, second position information including area mesh information that indicates a target area mesh containing the target object and included in plural area meshes produced by dividing the target region in a first direction and a second direction such that a division number in the second direction varies for each position in the first direction in the target region and relative position information that indicates a position of the target object in the target area mesh. The present technology is applicable to a transmission device and a reception device.

Abstract: The present disclosure relates to a transmitting device and a transmitting method, and a receiving device and a receiving method which are capable of improving confidentiality and communication resistance in low power wide area (LPWA) communication. The transmitting device generates a key stream on the basis of GPS time information, encrypts transmitted data on the basis of the key stream to generate encrypted data, and transmits the encrypted data to the receiving device. The receiving device generates a key stream on the basis of GPS time information and decodes the encrypted data into the transmitted data on the basis of the key stream. The present disclosure can be applied to an LPWA communication system.

Abstract: To extend the number of bits of an identifier without affecting the number of data bits to be transmitted. The present disclosure provides a receiving apparatus (1102) that identifies a transmitting apparatus (1101) based on a first identifier (10) having been individually given to each transmitting apparatus in order to identify the transmitting apparatus and a second identifier (20) which is for identifying the transmitting apparatus and which is shared among a plurality of transmitting apparatuses. According to this configuration, the number of bits of an identifier can be extended without affecting the number of data bits.

Abstract: In installation work, a camera captures a vehicle including an occupant and a license plate of the vehicle in a view angle from an installation position of the camera and transmits, to the terminal, a captured image of the occupant and a captured image of the license plate in response to a setting request from a terminal. The terminal displays a setting screen including the captured image of the occupant and the captured image of the license plate, receives input of parameters including an operation mode of the camera and positional relationship information indicating a positional relationship between the camera and the vehicle according to manipulations of an operator, and transmits the input parameters to the camera. The camera derives and sets camera parameters corresponding to the operation mode based on the input parameters transmitted from the terminal.

Abstract: The present technology relates to a transmission device, a transmission method, a reception device, a reception method, and a communication method capable of shortening a pause time of data transmission. According to an aspect of the present technology, a transmission device classifies channels usable for data transmission into a plurality of groups, selects the channels that are used in transmission units and that continue on a time axis from the channels of the different groups in accordance with an identifier, and performs the data transmission of the transmission units by using the selected channels. It is possible to make application to a communication system transmitting data through one-way communication from a transmission device to a reception device.

Abstract: The present technology relates to an information processing device, an information processing method, a transmitter, a transmission method, a receiver, and a reception method which can provide setting information necessary for each receiver. An information processing device of one aspect of the present technology holds non-common setting information that is not common setting information among setting information used in transmitters for setting for transmitting information in association with identification information of the respective transmitters. In addition, the information processing device transmits, to a receiver that has received identification information transmitted from a predetermined transmitter using common setting information that is setting information common in the plurality of transmitters, the non-common setting information associated with the identification information received by the receiver.

Abstract: LDPC coding is executed using a check matrix of an LDPC code whose code length is 736 bits and whose code rate is 1/4, and modulation is executed using a repetition unit that has an LDPC code obtained by the LDPC coding, repeatedly arranged therein. The LDPC code includes information bits and parity bits, the check matrix includes an information matrix portion corresponding to the information bits and a parity matrix portion corresponding to the parity bits, the parity matrix portion has a stepwise structure, the information matrix portion is indicated by a check matrix initial value table, and the check matrix initial value table is a predetermined table indicating positions of elements of “1” of the information matrix portion for each eight columns. This technique is applicable to, for example, information transmission using the LDPC code.

Abstract: An object of the present invention is to secure a relative relationship when positions are displayed by use of position information transmitted from a plurality of wireless communication devices. Each of the wireless communication devices (100) of the present invention includes a position information acquisition unit (130) and a transmission unit (170). The position information acquisition unit (130) acquires the position information of the wireless communication devices (100) by the GPS, for example. At that time, the position information acquisition unit (130) also acquires time information when the position information is acquired. The transmission unit (170) transmits transmission data including the position information and the time information when the position information is acquired in a predetermined transmission slot.

Abstract: In installation work, a camera captures a vehicle including an occupant and a license plate of the vehicle in a view angle from an installation position of the camera and transmits, to the terminal, a captured image of the occupant and a captured image of the license plate in response to a setting request from a terminal. The terminal displays a setting screen including the captured image of the occupant and the captured image of the license plate, receives input of parameters including an operation mode of the camera and positional relationship information indicating a positional relationship between the camera and the vehicle according to manipulations of an operator, and transmits the input parameters to the camera. The camera derives and sets camera parameters corresponding to the operation mode based on the input parameters transmitted from the terminal.

Abstract: LDPC coding is executed using a check matrix of an LDPC code whose code length is 736 bits and whose code rate is 1/4, and modulation is executed using a repetition unit that has an LDPC code obtained by the LDPC coding, repeatedly arranged therein. The LDPC code includes information bits and parity bits, the check matrix includes an information matrix portion corresponding to the information bits and a parity matrix portion corresponding to the parity bits, the parity matrix portion has a stepwise structure, the information matrix portion is indicated by a check matrix initial value table, and the check matrix initial value table is a predetermined table indicating positions of elements of “1” of the information matrix portion for each eight columns. This technique is applicable to, for example, information transmission using the LDPC code.

Abstract: There is provided a recording adjustment device, a recording adjustment method, and a program of which enables recording compensation for an optical disc for a high-linear density to be realized. The recording adjustment device according to an embodiment of the present technique executes filter processing on the basis of a regenerative signal obtained by reproducing data recorded in a recording medium, and a recording pattern of marks and spaces of the data, identifies an impulse response of a system, calculates a difference in amplitude between an output from the filter processing after the identification of the impulse response and the regenerative signal every edge type, and detects a slope of a step response in the vicinity of an edge position.

Abstract: There is provided a recording adjustment device, a recording adjustment method, and a program of which enables recording compensation for an optical disc for a high-linear density to be realized. The recording adjustment device according to an embodiment of the present technique executes filter processing on the basis of a regenerative signal obtained by reproducing data recorded in a recording medium, and a recording pattern of marks and spaces of the data, identifies an impulse response of a system, calculates a difference in amplitude between an output from the filter processing after the identification of the impulse response and the regenerative signal every edge type, and detects a slope of a step response in the vicinity of an edge position.

Abstract: An image server includes: a focus position control unit for determining a focus position based on a maximum value of focus evaluation detected by a picture signal level detection unit; and a focus lens driver for moving the focus lens in predetermined control volumes based on an instruction from the focus position control means; characterized in that, in case the exposure time is changed to a longer cycle than a predetermined cycle, the focus position control unit determines a large control volume corresponding to the change in exposure time and moves the focus lens with the control volume to detect the maximum value of focus evaluation and performs focus control.

Abstract: An optical disc recording apparatus that uses a pseudo-random number sequence for recording auxiliary information, wherein a sequence of data based on auxiliary information is modulated by a signal represented by a combination of a sequence of pseudo-random numbers and a predetermined periodic signal, and recorded traces of the pits or the marks are changed depending on the modulated sequence of data, thereby recording the auxiliary information on the optical disc. By making it difficult to estimate the structure of the sequence of pseudo-random numbers, duplication of an optical disc is hindered.