Abstract: A subscriber station and a method for deterministic communication in a serial bus system. The subscriber station has a communication control device for controlling a communication of the subscriber station by generating messages based on a frame and transmitting the messages to a bus of the bus system, and by evaluating at least one signal received from a bus of the bus system based on the frame, and a pause module for evaluating at least one item of status information output by the communication control device in relation to whether or not a predetermined frame has been received from the bus. The pause module is designed to generate and output a transmission delay signal based on a result of its evaluation, in order to delay or not delay the provision of a transmission message to the communication control device.

Abstract: Computer implemented methods and devices for detecting an intrusion in a communication on a shared medium, in particular a bus. A first method includes receiving a message including a first freshness value, receiving a message including a second freshness value, wherein the first freshness value and the second freshness value are correct expected freshness values, receiving a message including a warning that the message including the second freshness value is a replay message comprising a freshness value sent earlier on the shared medium, and detecting the intrusion upon receipt of the warning.

Abstract: A device and a method, in a receiver, for communication encrypted with a session key, for determining the session key for the encrypted communication. A data frame is received, wherein the data frame includes a part encrypted with the session key, wherein the data frame includes an identifier outside the part encrypted with the session key, wherein the identifier identifies a key, in particular provided in the receiver, for generating the session key. A device and a method, in a transmitter, for communication encrypted with a session key, wherein a data frame is generated and is sent to a receiver, wherein the data frame includes a part encrypted with the session key, wherein the data frame includes an identifier outside the part encrypted with the session key, wherein the identifier identifies a key, in particular provided in the receiver, for generating the session key.

Abstract: A transceiver for a commander or responder subscriber station of a serial bus system. The transceiver includes a transmitter module for sending a digital transmission signal based on a frame for a message to be sent via the bus as a differential signal to a bus of the bus system, a receiver module for receiving a differential signal from the bus and for generating a digital reception signal from the differential signal received from the bus and for forwarding the digital reception signal to a communication control device for evaluating the digital reception signal using a predetermined frame for a message from the bus, and an operating mode switching module for switching the transmitter module and the receiver module into a first operating mode between messages on the bus or into a second or third operating mode for sending or receiving a message.

Abstract: A transmitting/receiving device for a subscriber station of a serial bus system. The transmitting/receiving device has a receiver module for serially receiving differential signals from a bus and for generating a digital reception signal for a communication control device, an operating mode control module for switching the receiver module between a first operating mode and a second operating mode so that the receiver module is configured to generate the digital reception signal in the first operating mode based on differential signals generated using a first physical layer and in the second operating mode based on differential signals generated using a second physical layer, and a first evaluation block for evaluating whether a predetermined number of falling edges and/or rising edges occurs serially in the digital reception signal and whether the reception signal that comprises the edges that occurred is based on differential signals generated using the second physical layer.

Abstract: A subscriber station for a serial bus system. The subscriber station includes: a communication control device for controlling a communication of the subscriber station with at least one other subscriber station of the bus system and for generating a transmission signal according to a frame; a transmitting/receiving device which is designed for the serial transmission of the transmission signal generated by the communication control device to a bus of the bus system, and which is designed for the serial reception of signals from the bus; and a marking module for evaluating whether or not a frame received from the bus is permitted to occur on the bus, and for marking a frame with a marking in such a way that the transmitting/receiving device transmits the marking to the bus in order to communicate the result of the evaluation to the at least one other subscriber station.

Abstract: A subscriber station for a serial bus system. The subscriber station has a communication control device, and a re-integration module for re-integrating the communication control device into a communication on the bus to temporally synchronize the communication control device to a signal transmitted from the at least one other subscriber station of the bus system, which signal is created based on a frame for communication in the bus system. The re-integration module checks at least one predetermined re-integration condition to decide whether the operating mode of the communication control device is or is not to be switched into an operating mode for transmitting frames to the bus and/or for receiving frames from the bus, and uses in its check at least one predetermined re-integration condition having a sequence of bits in which the value of the last bit differs from that of the preceding bits.

Abstract: A communication control device. The communication control device has a communication control module for generating a transmit signal for controlling communication of the subscriber station with other subscriber station(s) of the bus system which uses at least one first communication phase and one second communication phase for exchanging messages between subscriber stations of the bus system, and an interface module for encoding the transmit signal in at least one part of the second communication phase of a message into an encoded transmit signal, and for inserting additional data into at least one symbol of the encoded transmit signal. The interface module is configured to insert the additional data into the encoded transmit signal as at least one symbol of the encoded transmit signal serially with the information of the symbol of the transmit signal. The symbol duration of the transmit signal and of the encoded transmit signal is identical.

Abstract: A method for processing data associated with a communication system. The method includes: managing a set of, for example, one or more, values for a first parameter which characterizes a timeliness of a message that can be received via the communication system, wherein for example, the set has at least one first subset that has, for example one or more, possible values for the first parameter and at least one second subset that has, for example one or more, historical values for the first parameter, evaluating a parameter value of the received message characterizing a timeliness of a message received via the communication system based on the set.

Abstract: A subscriber station for a serial bus system. The subscriber station has a communication control device for controlling a communication of the subscriber station with at least one other subscriber station of the bus system and for generating a transmit signal according to a frame; a receiving device configured to serially receive at least one signal from the bus; and a tamper check module for checking whether at least one predetermined field of a frame received from the at least one signal received from the bus has at least one pulse having a second bit value, which is inverse to the predetermined first bit value, in a received bit which has a predetermined first bit value and a predetermined duration.

Abstract: A responder subscriber station for a serial bus system, a commander subscriber station, and a method for communication. The responder subscriber station has a communication control device for controlling communication of the subscriber station with a commander subscriber station and for evaluating at least one signal, received from a bus of the bus system, based on a predetermined frame, wherein a field can be present in the frame for switching a first bit time and a first physical layer in a first communication phase to a second bit time and a second physical layer in a second communication phase, and a synchronization module. The synchronization module is designed to switch off its synchronization function if the communication control device is to act as a transmitter of the frame, so that the responder subscriber station is the transmitter of the signal received from the bus.

Abstract: A subscriber station for a serial bus system. The subscriber station has a communication control device for controlling a communication of the subscriber station with at least one other subscriber station of the bus system. The communication control device generates a transmit signal according to a frame and inserts a field having an edge into the frame after a second communication phase. The field has, before the edge, a predetermined length corresponding to a time period that is longer than the time period of a bit time of a first communication phase. The edge is provided for synchronization to the communication on the bus for a communication control device of the at least one other subscriber station of the bus system whose transceiver device is switched, before the predetermined time period, into an operating mode for transmitting and receiving the frame in the first communication phase.

Abstract: A method and a device for sending and/or receiving messages in a bus communication. The device includes a filter that is configured to restrict sending and/or receiving of messages in the bus communication to messages of authenticated participants of the bus communication, and to allow receiving a message for authenticating the device as participant of the bus communication, and a hardware security subsystem that is configured to authenticate the device as participant of the bus communication depending on the message for authenticating the device.

Abstract: A method for processing data associated with a serial bus system. The method includes: providing an indication characterizing at least one aspect of a control plane for a security protocol for the serial bus system, transmitting the indication on the bus system.

Abstract: A subscriber station and method for deterministic communication in a serial bus system. The subscriber station has a communication control device for controlling a communication of the subscriber station by generating messages based on a frame and by transmitting the messages to a bus of the bus system and by evaluating at least one signal received from a bus of the bus system based on the frame, with which frame the bit time in a first communication phase can differ from a bit time in a second communication phase, and a pause module for evaluating at least one item of status information output by the communication control device, wherein the pause module is designed to generate and output a transmission delay signal based on a result of its evaluation, to delay or not to delay the provision of a transmission message to the communication control device.

Abstract: A subscriber station and a method for deterministic communication in a serial bus system. The subscriber station has a communication control device for controlling a communication of the subscriber station by generating messages based on a frame and transmitting the messages to a bus of the bus system, and by evaluating at least one signal received from a bus of the bus system based on the frame, and a pause module for evaluating at least one item of status information output by the communication control device in relation to whether or not a predetermined frame has been received from the bus. The pause module is designed to generate and output a transmission delay signal based on a result of its evaluation, in order to delay or not delay the provision of a transmission message to the communication control device.

Abstract: A transmitting/receiving device for selectively waking up a subscriber station of a serial bus system. The transmitting/receiving device has a transmitting module for transmitting a transmission signal created for communication in the bus system based on a frame, as an analog signal to a bus, a receiving module for receiving an analog signal from the bus and for generating a digital received signal from the analog signal received from the bus, and a wake-up module for waking up the subscriber station after the subscriber station has been put to sleep to save energy. The wake-up module is configured to evaluate at least one wake-up condition to decide whether or not the digital received signal corresponds to a wake-up frame which sends instructions to activate the transmitting module to wake up the subscriber station.

Abstract: A transmitting/receiving device for selectively waking up a subscriber station of a serial bus system. The transmitting/receiving device has: a transmitting module for transmitting a transmission signal, which is created for communication in the bus system based on a frame, as an analog signal to a bus; a receiving module for receiving an analog signal from the bus and for generating a digital reception signal from the analog signal received from the bus; and a wake-up module for waking up the subscriber station after the subscriber station has been put to sleep to save energy, wherein the wake-up module is designed to serially carry out at least two different evaluations in order to decide whether or not the digital reception signal corresponds to a wake-up frame which gives instructions to activate the transmitting module to wake up the subscriber station.

Abstract: A subscriber station for a serial bus system and a method for communication. The subscriber station has a communication control device controlling a communication of the subscriber station with at least one other subscriber station of the bus system and generating a transmit signal. The communication control device generates the transmit signal according to a frame and to insert a field having a rising edge and a subsequent falling edge into the frame for the transition from a first communication phase to a second communication phase. The field has a predetermined length between the rising edge and the subsequent falling edge such that a sampling time at which a communication control device of the at least one other subscriber station of the bus system will sample the first bit of the second communication phase is situated between the rising edge and the subsequent falling edge.

Abstract: A commander subscriber station for a serial bus system, a responder subscriber station for the serial bus system, and a method for communication in a serial bus system. The commander subscriber station includes a communication control device for controlling communication between the subscriber station and at least another subscriber station and for evaluating at least one signal received from a bus of the bus system using a predetermined first frame or a predetermined second frame, and a status information module for evaluating the at least one signal received from the bus with respect to a predetermined control bit. The communication control device is configured to use the predetermined second frame to request a responder subscriber station subordinate to the commander subscriber station to send at least one first signal according to the predetermined second frame which differs from the predetermined first frame via the bus.