Abstract: There is provided a determination device comprising a determination section configured to determine an area where a portable device is positioned, on a basis of wireless communication between a plurality of first wireless communication devices installed at different portions of a mobile object and a second wireless communication device installed in a portable device, in conformity with a designated communication standard, wherein the determination section determines the area where the portable device is positioned, by using different determination expressions depending on the respective first wireless communication devices, each of which has successfully calculated an RSSI with regard to a signal received from the second wireless communication device through wireless communication compliant with the designated communication standard and a determination target area.

Abstract: There is provided a determination device comprising a determination section configured to determine an area where a portable device is positioned, on a basis of wireless communication between a plurality of first wireless communication devices disposed at different portions in a target space where a plurality of areas is defined and a second wireless communication device installed in a portable device, in conformity with a designated communication standard, wherein the determination section determines the area where the portable device is positioned, by using different determination expressions depending on the respective first wireless communication devices, each of which has successfully calculated an RSSI with regard to a signal received from the second wireless communication device through wireless communication compliant with the designated communication standard and a determination target area.

Abstract: A communication device achieves inter-device authentication with high accuracy and high responsiveness. The communication device includes a control section configured to execute a process related to transmission or reception of a first authentication signal and a second authentication signal that are necessary for a first authentication process for authentication of another communication device. The control section starts execution of a second authentication process for different authentication from the first authentication process, after transmission or reception of the first authentication signal and before transmission or reception of the second authentication signal.

Abstract: [Object] To provide a mechanism that makes it possible to avoid inconveniences when the authentication process has abnormality. [Solution] A communication device comprising a control section configured to control each of a first process that achieves a prescribed function, and a second process that authenticates another communication device and that is different from the first process, wherein the control section performs control in such a manner that the second process is not performed in a case where abnormality is recognized.

Abstract: A control device including a control section configured to obtain distance measurement information, and perform a process according to the obtained distance measurement information, the distance measurement information being information that is obtained by transmitting and receiving a distance measurement signal between at least two communication devices, and the distance measurement signal being a signal that is transmitted and received to measure a distance between the two communication devices.

Abstract: A determination device comprising a determination section configured to determine whether a portable device is positioned in a first area or a second area on a basis of results of ranging based on wireless communication between at least two first wireless communication devices and a second wireless communication device, the at least two first wireless communication devices being disposed with a boundary arrangement interposed therebetween, the boundary arrangement being arranged at a boundary between the first area and the second area, the second wireless communication device being installed in the portable device, wherein the determination section determines whether the portable device is positioned in the first area or the second area on a basis of a difference between ranging value calculated by first wireless communication device disposed in the first area and ranging value calculated by first wireless communication device disposed in the second area.

Abstract: There is provided a wireless communication device, including a first wireless communication unit that performs first wireless communication with another communication device, the first wireless communication selectively using a plurality of channels complying with a first communication standard, a second wireless communication unit that performs second wireless communication with the another communication device, the second wireless communication complying with a second communication standard different from the first communication standard, and a control unit that controls the first wireless communication by the first wireless communication unit and the second wireless communication by the second wireless communication unit, in which the control unit controls the second wireless communication unit to start standby for receiving a signal used for the second wireless communication after a specified period of time, on the basis of reception of a connection request related to the first wireless communication by t

Abstract: A control device that communicates with a first communication device and a second communication device includes: a determination section configured to determine a position of a terminal on a basis of a first ranging result obtained from a radio wave communicated between the first communication device and the terminal and a second ranging result obtained from a radio wave communicated between the second communication device and the terminal, wherein the first communication device is disposed at a first position where it is difficult to directly receive the radio wave between a first area and a second area that are separated by a first member including material through which it is difficult for the radio wave to penetrate, and the second communication device is disposed at a second position where it is possible to directly receive the radio wave between the first area and the second area.

Abstract: A wireless communication device having a control section configured to control transmission and reception of a wireless signal by an antenna in conformity with a designated communication standard, wherein the control section controls a timing of causing the antenna to transmit a second signal in response to a first signal received by the antenna, on a basis of fixed time and delay time related to internal transfer in the wireless communication device, the fixed time being decided in advance.

Abstract: To realize more secured Authentication while convenience is secured. There is provided a communication device including a control unit configured to control a process relating to transmission or reception of a first authentication signal and a second authentication signal used for a first authentication process that is authentication between the communication device and another communication device, in which the control unit further controls a second authentication process that is authentication different from the first authentication process and starts a process relating to transmission or reception of signals used for a second authentication process that is authentication different from the first authentication process before transmission or reception of the first authentication signal.

Abstract: There is provided a communication device comprising: a control unit configured to control ranging with a wireless signal in conformity with a regulated communication standard, wherein the control unit controls output intensity of a data transmission signal that has a payload based on reception sensitivity for a plurality of ranging signals transmitted to and received from other communication devices.

Abstract: To provide a mechanism capable of matching timings at which communication is performed between devices. A communication device for performing wireless communication with another communication device, the communication device comprising: a first wireless communication unit configured to perform communication conforming to a first wireless communication standard; a second wireless communication unit configured to perform communication conforming to a second wireless communication standard; and a control unit configured to control the first wireless communication unit so that the first wireless communication unit transmits, a plurality of times, a first signal, the first signal being a signal conforming to the first wireless communication standard and being a signal including setting information that is information for setting a timing at which the second wireless communication unit performs communication.

Abstract: A control device and a control method that can reduce power consumption for waiting for reception of a signal are provided. The control device includes a controller configured to control a communicator such that the communicator performs wireless communication with another device. The controller controls a reception waiting time of a predetermined signal which is transmitted from the other device by the wireless communication on the basis of acquired acquisition information.

Abstract: A control device that communicates with a first communication device and a second communication device, the control device comprising: a determination section configured to determine a position of a terminal on a basis of a first ranging result obtained from a radio wave communicated between the first communication device and the terminal and a second ranging result obtained from a radio wave communicated between the second communication device and the terminal, wherein the first communication device is disposed at a first position where it is difficult to directly receive the radio wave between a first area and a second area that are separated by a first member including material through which it is difficult for the radio wave to penetrate, and the second communication device is disposed at a second position where it is difficult to directly receive the radio wave between the first area and the second area.

Abstract: To calculate the propagation times of signals transmitted and received between the devices more easily and accurately. There is provided a wireless communication device comprising a control section configured to control transmission and reception of a wireless signal by an antenna in conformity with a designated communication standard, wherein the control section controls a timing of causing the antenna to transmit a second signal in response to a first signal received by the antenna, on a basis of fixed time and delay time related to internal transfer in the wireless communication device, the fixed time being decided in advance.

Abstract: A communication device including: a plurality of wireless communicators configured to perform wireless communication with another communication device; and a controller configured to estimate a position at which the other communication device is located on the basis of a plurality of measured distance values which indicate distances between the plurality of wireless communicators and the other communication device and which are acquired through wireless communication performed by the plurality of wireless communicators.

Abstract: A control device includes a control section configured to obtain one or more distance measurement values, and estimate a relative position of a position changeable type communication device with respect to a target space based on the one or more distance measurement values, the one or more distance measurement values being obtained when one or more position fixed type communication devices and the position changeable type communication device perform wireless communication, and indicating a distance between each of the one or more position fixed type communication devices and the position changeable type communication device.

Abstract: An authentication system comprising: a plurality of communication devices; and a control device configured to execute a process on a basis of information obtained through wireless communication between the respective communication devices and another communication device that is different from the plurality of communication devices, wherein each of the plurality of communication devices includes a wireless communication section configured to perform wireless communication with the other communication device, and the control device determines that the other communication device is successfully authenticated in a case where any one of a plurality of pieces of information regarding distances between the respective communication devices and the other communication device satisfies a designated condition on a basis of the pieces of information regarding the distances obtained through the wireless communication between the respective communication devices and the other communication device.

Abstract: To provide a control device and control method that make it possible to reduce inter-device authentication failure. Provided is a control device including a control section configured to execute an authentication process of authenticating another device on the basis of information for authentication acquired from the other device. The control section starts the execution of the authentication process in the case where a predetermined trigger is acquired.

Abstract: A communication device provides secure inter-device authentication that ensures certainty of processes. The communication device includes a control section configured to execute a process related to transmission or reception of a first authentication signal and a second authentication signal that are necessary for a first authentication process for authentication between the communication device and another communication device. The control section further controls a second authentication process for different authentication from the first authentication process, and starts a process related to transmission or reception of first information that is necessary for the second authentication process after transmission or reception of the second authentication signal.