111results about "Substation remote connection/disconnection" patented technology

This application provides an energy saving method for a network device and a network device, to reduce power consumption of the network device in an energy saving mode to a watt level. The network device includes a processor, a direct current power supply, a latch, and a chip. The method includes: The processor sends a first instruction to the latch. The first instruction instructs the latch to output a first signal, the first signal is for controlling the direct current power supply to turn off a power supply, and the direct current power supply is a power supplying source of the chip and the processor in the network device. The latch receives the first instruction sent by the processor. The latch outputs the first signal to the direct current power supply based on the first instruction. The direct current power supply turns off the power supply based on the first signal, and stops supplying power to the chip and the processor, so that the network device enters the energy saving mode.

This application provides a method and interface device for auxiliary link state switching, relating to the field of communication technology. In this application, a first auxiliary link transmitter sends a first transmit signal, which is a first level signal; a first auxiliary link receiver receives the first receive signal; wherein, within a first preset time period and under preset conditions, the first auxiliary link switches from a first state to a second state; the preset conditions include: the first auxiliary link receiver continuously receives the first receive signal for a time greater than or equal to a second preset time, and the first auxiliary link transmitter begins continuously transmitting the first transmit signal for a time greater than or equal to a third preset time; the first preset time is a period of time from the start of the first auxiliary link transmitter transmitting the first transmit signal. This application can reduce the power consumption of the auxiliary link.

A method performed by a network device for enabling and disabling a group of Ambient Internet of Things (AIoT) devices in a communication network includes provisioning the group of AIoT devices with a group identifier (ID), a group key, and a first stop code, transmitting, to the group of AIoT devices, a second stop code and a third stop code that are associated with the group ID and secured using the group key, and determining whether to disable the RF transmission capability of the group of AIoT devices based on the second stop code and the third stop code.

A wireless communication method for use in a wireless terminal is disclosed. The method comprises receiving, from a wireless network node, a control signaling, determining, based on the control signaling, a plurality of transmission occasions in a plurality of periods, wherein each period comprises multiple transmission occasions, transmitting, to the wireless network node, data at one or more resources out of the plurality of transmission occasions in the plurality periods, and transmitting, to the wireless network node, a first network signaling associated with the plurality of transmission occasions in a time duration, wherein the time duration comprises one or multiple periods.

An in-vehicle network system (100) includes a first control device (40, 50, 60) and a second control device (20, 30) that is hierarchically higher than the first control device. The first and second control devices are connected via a communication bus (38, 44, 54, 64). The first control device is configured to perform a predetermined processing operation using electrical current supplied by a relay circuit (26, 28, 36) located on a power supply line (6) to the first control device, and to transmit periodic messages during the predetermined processing operation.The second control device includes a relay control unit (24, 34) configured to switch the relay circuit (26, 28, 36) on or off based on vehicle state information and to keep the relay circuit switched on while the first control device transmits the periodic messages.

Embodiments of the present application relate to the technical field of communications, and provide a method for state switching of a sidelink and an interface apparatus. In the present application, a first sidelink transmitter sends a first sending signal, the first sending signal being a first level signal; and a first sidelink receiver receives a first receiving signal, wherein when a preset condition is satisfied within a first preset time, a first sidelink is switched from a first state to a second state; the preset condition comprises that a duration within which the first sidelink receiver continuously receives the first receiving signal is greater than or equal to a second preset duration, and a duration within which the first sidelink transmitter starts to continuously send the first sending signal is greater than or equal to a third preset duration; and the first preset duration is a period of time starting from the time when the first sidelink transmitter sends the first sending signal. The present application can reduce power consumption of sidelinks.

Techniques are described herein that are capable of initiating recovery of an electronic device using a power reset pattern. In a first example implementation, a determination is made that an electronic device is in a non-operational state. A power supply control signal is generated. The electronic device is caused to initiate a recovery process using a power reset pattern by providing the power supply control signal to the power supply via a power line. The recovery process changes the electronic device from the non-operational state to an operational state. In a second example implementation, a power reset pattern is received via a power line from a power supply. A determination is made that the power reset pattern is an instruction to initiate a recovery process. An electronic device is changed from a non-operational state to an operational state by initiating the recovery process.

This application discloses a communication method, a communication apparatus, a chip, and a computer-readable storage medium. The method may be applied to a communication system including a primary node and a plurality of secondary nodes. The method includes: generating a first frame, where the first frame is at least used to determine a sleep start time of a second node; and sending the first frame. In embodiments of this application, the first frame is at least used to determine the sleep start time of the second node, so that the second node determines the sleep start time of the second node, and enters a sleep state upon arrival of the sleep start time, to reduce power consumption. Further, the first frame is specifically used to determine sleep start times of the second node and one or more downstream nodes of the second node, so that the second node and the one or more downstream nodes of the second node can determine a same sleep start time, to implement synchronous sleep.

A first communication device generates an Operation, Administration, and Maintenance (OAM) frame that includes i) OAM message content and ii) an OAM frame header outside of the OAM message content, wherein generating the OAM frame comprises generating the OAM frame header to include information that signals one of i) a low power sleep (LPS) request, and ii) a wake-up request (WUR). The first communication device transmits the OAM frame to a second communication device via a communication medium to signal to the second communication device the one of i) the LPS request, and ii) the WUR.

A device includes first and second terminals configured to be respectively connected to first and second conductors of a differential two-wire bus. First and second identical resistive dividing bridges are connected between a reference node and respectively first and second nodes. Third and fourth identical resistive dividing bridges are connected between a supply node and respectively the first and second nodes. A reading circuit is configured to determine a binary state of the bus from the currents flowing through transistors of the reading circuit.

The power supply to the lower-level control device, which receives power via a relay circuit, should be cut off at an appropriate time. [Solution] The intermediate ECUs 20 and 30 have relay control units 24 and 34 that turn on or off relay circuits 26, 28, and 36 provided on the power supply lines 6 of the lower ECUs 40, 50, and 60. The relay control units turn on or off the relay circuits according to vehicle status information relating to the state of the vehicle. The lower ECUs are able to perform control processing and termination processing by being supplied with power via the relay circuits, and periodically send periodic messages while performing control processing and termination processing. The relay control units keep the relay circuits on as long as periodic messages are being sent from the lower ECUs, even if the vehicle status information changes to switch the relay circuits from on to off.

The invention relates to a device for providing a list of terminals, characterized in that it comprises: - a module for receiving a first list including at least one identifier of at least one terminal present within a local network; - a module for obtaining, based on said at least one identifier, at least one vulnerability data point associated with said at least one terminal; - a module for sending a second list of at least one identifier of at least one terminal present within said network, said list being established based on said at least one vulnerability data point. Figure 1 (for the abstract)

The present disclosure relates to an Ethernet device being configured to change stepwise from an idle state to a full active state, wherein the Ethernet device being configured to either detect a predefined signal during an arbitration cycle in order to perform a final step to fully activate the Ethernet device or otherwise to either maintain in an intermediate state or to change back to the idle state. The present disclosure also relates to a method for the Ethernet device.

A computing node management system includes a central offload node and a plurality of computing nodes. A riser card is inserted into each computing node. Each riser card is connected to the central offload node. Each riser card establishes a communication channel between the central offload node and the computing node into which the riser card is inserted. The central offload node is configured to provide resources for the plurality of computing nodes through the communication channels.

A flow control method and apparatus, and a system are provided, and relate to the field of communication technologies, to reduce bandwidth overheads and improve effective bandwidth and communication performance while implementing flow control. The method includes: A first node generates a data packet. The data packet includes credit information of a second node, the credit information indicates a data volume quota returned to a virtual channel of the second node, and the virtual channel is used by the second node to transmit data to the first node. The first node sends the data packet to the second node. When receiving the data packet, the second node parses the data packet, to obtain the credit information of the second node. In this way, flow control on the first node is implemented based on the credit information.

A communications network includes a bus communicatively coupled to a first device and a second device. The first device and the second device are operable to perform multiple iterations of a baud-rate change (BRC) process. Each of the multiple iterations of the BRC process includes synchronizing the first device and the second device to identify when a baud-rate switch operation will be applied; and applying the baud-rate switch operation to change a currently-used baud-rate of communications between the first device and the second device to a new baud-rate of communications between the first device and the second device.

A multi-tenant application that provides high speed data services to one or more subscriber devices. High speed data services may include one or more of Dynamic Host Configuration Protocol (DHCP) services, software upgrade services, and Profile Management Application (PMA) services. The multi-tenant application comprises one or more first servers that each perform packet switching and routing and one or more second servers that each perform FCAPS functions for the one or more subscriber devices. FCAPS functions comprise fault operations, configuration operations, accounting operations, performance operations, and security operations. Second servers may be implemented entirely within an application-specific logical host composed of one or more application containers and may optionally each further perform network functions and user plane functions for the one or more subscriber devices. The one or more second servers may optionally each further perform OLT control functions and OLT MAC / PHY functions for the one or more subscriber devices.

According to an embodiment disclosed in this document, a signal processing device may include a main control unit, an auxiliary control unit electrically connected to the main control unit, and an end device electrically connected to the auxiliary control unit, in which the main control unit may transmit a wake-up signal to the auxiliary control unit when power is supplied, and the auxiliary control unit may bypass the wake-up signal and transmit the wake-up signal to the end device.

A sleep / wake-up method includes converting at least one first sleep / wake-up signal into at least one second sleep / wake-up signal, determining at least one static control target based on the at least one second sleep / wake-up signal, where the static control target indicates a function of the first sleep / wake-up signal, determining at least one sleep / wake-up action based on the at least one static control target, where the sleep / wake-up action is used to wake up at least one in-vehicle object in at least one vehicle integration unit or control at least one in-vehicle object in the at least one vehicle integration unit to enter a sleep state, and performing the at least one sleep / wake-up action.

The invention relates to a device (160) for executing a functionality in an automotive communication network (121), the device (160) being a node (110) in the automotive communication network (121), the functionality comprising basic processes and time and / or safety critical processes. The device (160) comprises a remote-control protocol chip (165) communicatively coupled to the automotive communication network (121) via a first communication means (115) and using a remote-control protocol, the remote-control protocol chip (165) executing the basic processes using input channels (140) and / or output channels (150). The device (160) further comprises a calculation unit (170) communicatively coupled to the automotive communication network (121) or the remote-control chip (165) via a second communication means (180), the calculation unit (170) being formed to execute at least in part the time and / or safety critical processes.

The application provides a voice interaction device, system, method, cloud server and medium, wherein the voice interaction device comprises a voice processor, a first communication module, at least one microphone and a voice interaction system, the voice interaction system comprises a second communication module; a first input end of the voice processor is connected with the microphone, a first output end of the voice processor is connected with the first communication module, the voice processor is used for determining that the microphone acquires a first voice signal, and sending the first voice signal acquired by the microphone to a cloud server through a connection established with the cloud server by the first communication module; the voice interaction system is connected with the cloud server through the second communication module, and the voice interaction system is used for receiving a first response signal sent by the cloud server for voice interaction. The application can meet the real-time performance of voice interaction, reduce the power consumption of an electronic device, and thus prolong the endurance time of the electronic device.

It is provided a method for detecting people, the method being performed by a people detector provided by a doorway. The method comprises the steps of: receiving an open signal indicating that a door of the doorway is open; setting a people sensor of the people detector in an active mode based on receiving the open signal; detecting when a person passes through the doorway, using the people sensor; receiving a closed signal indicating that the door of the doorway is closed; transmitting a result of the step of detecting, wherein the step of transmitting is performed based on receiving the closed signal; and setting the people sensor in a power save mode based on receiving the closed signal.

Provided is a parking assistance device and a portable terminal. A parking ECU executes parking assistance control including power-off control that automatically switches a power source of a vehicle from an on state to an off state in the case where a reaching condition that the vehicle reaches a target parking position is satisfied. In the case where the parking ECU does not become an inoperative state during a period from when the power-off control is started to when a predetermined off grace time elapses, the parking ECU performs abnormality notification for notifying a user of the vehicle that an off abnormality has occurred in which the power source has not been switched to the off state.

This invention relates to the field of Internet of Things (IoT) technology, and more specifically, to a centralized wired IoT water meter system for multiple water meters sharing communication. The system includes a concentrator at the well site, multiple water meter nodes, and a wired bus connecting the concentrator and each water meter node. Each water meter node includes a flow sensor, a main control microprocessor, a bulk acoustic wave wake-up receiver, a chaotic spread spectrum hardware module, and a bus driver circuit. The bulk acoustic wave wake-up receiver is connected to the wired bus; the chaotic spread spectrum hardware module is connected to the main control microprocessor; the bus driver circuit converts the sparse code modulation output into a differential level signal adapted for wired bus transmission; the concentrator at the well site includes a communication processing module. This invention can significantly reduce the standby power consumption of water meter nodes to extend battery life, support concurrent access of multiple nodes to improve communication efficiency, enhance anti-interference capabilities through spread spectrum gain, and utilize the uniqueness of chaotic sequences to achieve node identity binding and signal isolation at the physical level.

A method, e.g. a computer-implemented method, for processing data associated with at least one interface unit, the interface unit being configured to supply at least one signal for an energy saving mode, the method involving: combining the at least one signal for the energy saving mode with first information characterizing at least one of the following: a) part of a message of a time synchronization protocol, b) control information, e.g. time-critical control information, c) signaling, e.g. of time-critical and / or safety-critical conditions; transmitting the at least one signal for the energy saving mode along with the first information.

Systems and methods are provided herein for automated pairing of external devices to a gateway. An example method may include retrieving, by the gateway, device identifiers of the external devices associated with a gateway identifier of the gateway device, the device identifiers retrieved over a network interface between the gateway device and a database storing the device identifiers. The method also includes receiving, by the gateway, a first device identifier from a first external device over a local-area communication interface between the first external device and the gateway device, the local-area communication interface implemented according to a local area transport protocol. The method further includes determining that the first device identifier is valid based on the device identifiers retrieved from the database, and, based on the determination, executing a pairing process with the first external device according to the local-area transport protocol.

To provide a management device that allows a new selection for a method of booting a target device when an in-vehicle network system is modified.SOLUTION: A management device is configured, when an in-vehicle network system is modified, to obtain information related to a target device that is active when a predetermined function is executed, out of a plurality of devices connected to the modified in-vehicle network (Step S101). The management device selects, based on the information, a method to boot the target device, from among a first boot method and a second boot method (Step S103--Step S106). The management device causes the target device to be booted through power control in the first boot method. The management device causes the target device to be booted through communication in the second boot method.SELECTED DRAWING: Figure 2

The application discloses a remote node sleep state machine control method and system based on message timing analysis, relates to the field of node power consumption management control, and comprises the following steps: obtaining the arrival time stamp and message identifier of an inbound message and storing the message according to service categories; extracting statistical features based on adjacent arrival time interval sequences of messages of various categories, constructing a message arrival probability distribution model and calculating an arrival risk function; combining service priorities to obtain a system-level comprehensive risk function through weighted fusion, and predicting an expected time of arrival of a next message; and calculating a safety margin in combination with a current energy state of a node, and selecting a target sleep state in a multi-level sleep state machine. Thus, dynamic control of sleep depth and wake-up timing is realized, and the adaptability and response coordination of low-power consumption management of a remote node are improved.