42results about "Bus-type electromagnetic networks" patented technology

The present disclosure relates to an optical switching network having optical switches that controllably reroute light between bus optical waveguides. An optical switch includes a shunt optical waveguide disposed vertically in a gap between a first bus optical waveguide formed in a first waveguide layer and a second bus optical waveguide formed in a second waveguide layer and configured to movably optically couple the first and second bus optical waveguides when activated. The first waveguide layer and the optical switch are formed on a first substrate and the second waveguide layer is formed on a second substrate bonded to the first substrate or mechanically supported by a plurality of anchors extending between the first and second substrates. The optical switch network includes a sensor for identifying a failed optical switch and a recovery optical waveguide and optical switch providing a recovery optical path to bypass the failed optical switch.

The present disclosure is directed to optical switch networks having optical switches that controllably reroute light between bus optical waveguides. An optical switch comprises a shunt optical waveguide disposed in a gap vertically between the first bus optical waveguide formed in a first waveguide layer and a second bus optical waveguide formed in a second waveguide layer and configured to moveably optically couple the first and second bus optical waveguides upon activation. The first waveguide layer and the optical switch are formed on a first substrate and the second waveguide layer is formed on a second substrate bonded to the first substrate, or mechanically supported by a plurality of anchors extending between the first and second substrates. The optical switch network includes sensors for identifying a failed optical switch and recovery optical waveguides and optical switches that provide recovery optical paths to bypass the failed optical switch.

To detect abnormality of a communication cable before the communication cable is broken.SOLUTION: A robot 1 comprises: a plurality of links (7 to 10) which are connected in series to a base body (2) through a plurality of joints (21 to 24); a plurality of actuators (29) which drive the joints so as to relatively displace corresponding pairs of interconnected links: a plurality of controllers (32) which are decentralized and arranged at the base body and links, and control the actuators; communication cables 31 which are composed of optical cables interconnecting the controllers and transmitting information; and a plurality of light quantity measuring devices 40 which measure quantities I of light of light signals transmitted to the controllers through the communication cables 31. Each controller monitors the quantity I of light measured by the corresponding light quantity measuring device 40 to determine a state of the corresponding communication cable 31 based upon the quantity I of light.SELECTED DRAWING: Figure 3

Disclosed are a method and apparatus for establishing a Peripheral Component Interconnect Express (PCIe) optical interconnection link, a device, a non-volatile readable storage medium, and a system. The method includes: acquiring an upstream data signal transmitted through an electrical path, and detecting whether at least one Electrical Idle Ordered Set (EIOS) exists in the upstream data signal; recording a current link rate of the PCIe optical interconnection link, and determining whether the transmission of the at least one EIOS is completed by counting the at least one EIOS; and generating a target signal sequence of a corresponding rate according to the current link rate in a case where the transmission of the at least one EIOS is completed, and transmitting the target signal sequence to an opposite end through the PCIe optical interconnection link.

The application discloses a synchronous trigger circuit and system suitable for dam safety dynamic monitoring network equipment, the circuit comprises a current loop communication circuit, a fiber communication circuit and an output port driving bus. The current loop communication circuit can receive the synchronous trigger signal transmitted by the main control device or the upper level network equipment in the form of current loop and / or fiber channel, and simultaneously can forward the received synchronous trigger signal to the next level network equipment in the form of current loop and / or fiber channel; the fiber communication circuit can receive the synchronous trigger signal transmitted by the main control device or the upper level network equipment in the form of fiber, and simultaneously can forward the received synchronous trigger signal to the next level network equipment in the form of fiber and / or current loop channel. The output port driving assembly can transmit the synchronous trigger signal to the local network equipment, and realize the synchronous trigger of the local network equipment and other network equipment in the link. The application supports the mixed form transmission of current loop and fiber, the communication mode is flexible, the signal has strong anti-interference property, and is suitable for long distance transmission.

An optical communication system in which an aggregation station and a plurality of extension stations are connected in series with one another with the aggregation station at the front, wherein: said aggregation station outputs a downlink optical signal generated by subjecting a wireless signal to an E / O conversion to the plurality of extension stations, and obtains a wireless signal by subjecting an uplink optical signal inputted from the plurality of extension stations to an O / E conversion; each of the extension stations transmits a wireless signal obtained by subjecting the downlink optical signal received from the aggregation station to an O / E conversion, transmits an uplink optical signal generated by subjecting the received wireless signal to an E / O conversion to the aggregation station; and the wavelengths of the uplink optical signals and downlink optical signals assigned to the plurality of extension stations are identical.

The embodiments of the present application provide a signal sending method and apparatus, a non-volatile readable storage medium and an electronic device, wherein the method includes: acquiring a first data signal and a first auxiliary signal that are to be sent to a first opposite-side device, wherein the first data signal is to be sent to the first opposite-side device via PCIe optical-fiber links of a quantity N, wherein N is a positive integer greater than or equal to 2; determining a first-signal-intensity sequence corresponding to the first auxiliary signal, wherein the first-signal-intensity sequence includes first signal intensities of a quantity M, wherein M is greater than or equal to 2; and according to the first-signal-intensity sequence, converting the first data signal into first optical signals of the quantity N, and via the PCIe optical-fiber links of the quantity N, sending the first optical signals of the quantity N to the first opposite-side device, wherein signal intensities of the first optical signals of the quantity M among the first optical signals of the quantity N and the first signal intensities of the quantity M have a one-to-one correspondence relation therebetween. The present application solves the problem that auxiliary information cannot be transmitted in the PCIe optical-fiber links well.

A communication method and apparatus, and an optical bus network are provided. This application relates to the field of industrial data communication technologies. In the method, a controller sends, when discovering a target optical head end, a target optical head end identifier to the target optical head end, where the target optical head end identifier is for identifying the target optical head end; the controller determines a target management protocol from management protocols supported by the target optical head end; and the controller communicates target information with the target optical head end based on the target optical head end identifier and the target management protocol, where the target information is used by the controller to manage the target optical head end and / or at least one optical terminal managed by the target optical head end. According to the method, a management mechanism by a controller for an optical head end and / or at least one optical terminal managed by the optical head end in an optical bus network is provided.

In a method, an optical head end first determines a first correspondence, where the first correspondence indicates a correspondence between a slave station device identifier and a slave station node identifier. Then the optical head end receives a first message from an optical terminal, where the first message includes device information, the device information includes a first device identifier, and the first device identifier indicates a first slave station connected to the optical terminal. Then, the optical head end determines, from the first correspondence, a first node identifier corresponding to the first device identifier. Further, the optical head end sends the first node identifier to the optical terminal.

An architecture for peripheral component interconnect express compliant signals over optical fiber is provided. A method includes, based on a first determination that an impedance level of a receiver device satisfies a defined impedance level, causing a driver to pulse at a first defined frequency and duty cycle level. Further, based on a second determination that a number of pulses received, at a transimpedance amplifier, at the first defined frequency and duty cycle level satisfy a defined number of pulses and at least one defined criterion, the method causes a second impedance level of the driver to match the defined impedance level and causes the driver to enter an electrical idle state. The method also includes facilitating, by a transmitter, transmission of data to the receiver device at a second defined frequency level, via an optical fiber link.

Embodiments of the present disclosure provide methods and apparatuses for signal transmission such as high-speed serial bus signal transmission. A method performed by a retimer adapter comprises obtaining at least one configuration scheme of the retimer adapter. The retimer adapter is able to be connected between a first communication device and a second communication device. The method further comprises configuring the retimer adapter to operate at one of the at least one configuration scheme of the retimer adapter.

This is a distributed network element and submarine network element management system for optical communication systems. [Solution] The system includes a plurality of cable landing stations configured to be communicatively coupled using one or more optical communication cables in a peer-to-peer network for routing one or more optical signals using one or more network elements. Each cable landing station includes a management device configured to determine one or more optical communication paths for routing optical signals, and a command / response optical device communicatively coupled to the management device for routing optical signals based on the optical communication paths. Upon receiving a request to route at least one optical signal, the management device of each cable landing station is configured to determine at least one optical communication path for routing the optical signal based on a topology map of the peer-to-peer network of the plurality of cable landing stations.

An optical communication system and method. The system includes a plurality of cable landing stations configured to be communicatively coupled using one or more optical communication cables in a peer-to-peer network for routing of one or more optical signals using one or more network elements. Each cable landing station includes a management device configured to determine one or more optical communication paths for routing optical signals, and a command / response optical device communicatively coupled to the management device for routing optical signals in accordance with the optical communication path. In response to receiving a request for routing at least one optical signal, the management device of each cable landing station is configured to determine at least one optical communication path for routing the optical signal in accordance with a topology map of the peer-to-peer network of the plurality of cable landing stations.

The invention discloses an intelligent equipment control method based on a soft bus and related equipment, and can be applied to the technical field of intelligent control. According to the invention, after the service registration operation of the target soft bus is carried out in the preset optical fiber whole network system, the service registration operation of the plurality of intelligent devices is carried out in the controller of the target soft bus, and then the first intelligent device is searched in the local area network of the area where the intelligent devices are located to obtain the second intelligent device; according to the embodiment of the invention, the third intelligent equipment is obtained after the second intelligent equipment is authenticated in the local area network of the area where the intelligent equipment is located, so that the third equipment can be accurately accessed to the preset optical fiber whole-network system, and then in the local area network of the area where the intelligent equipment is located, the third intelligent equipment is obtained. The interaction process of the plurality of third intelligent devices is controlled through the preset optical fiber whole network system, so that the interaction process of the plurality of intelligent devices can be completed without depending on a public network, the operation convenience of the intelligent devices is effectively improved, the operation time delay of the intelligent devices is reduced, and the user experience is improved.

An optical communication system and method. The system includes a plurality of cable landing stations configured to be communicatively coupled using one or more optical communication cables in a peer-to-peer network for routing of one or more optical signals using one or more network elements. Each cable landing station includes a management device configured to determine one or more optical communication paths for routing optical signals, and a command / response optical device communicatively coupled to the management device for routing optical signals in accordance with the optical communication path. In response to receiving a request for routing at least one optical signal, the management device of each cable landing station is configured to determine at least one optical communication path for routing the optical signal in accordance with a topology map of the peer-to-peer network of the plurality of cable landing stations.

This application discloses a communication system and a communication apparatus. In the communication system, an optical terminal includes at least one electrical port configured to connect to another optical terminal. When a first optical terminal is connected to at least one second optical terminal in series through an electrical port, the first optical terminal can send data of the second optical terminal to the at least one second optical terminal through the electrical port, and the second optical terminal can receive a data frame from the first optical terminal through an electrical port, to obtain the data that is of the second optical terminal and that is delivered by an optical head end. Because an electrical port-based connection manner has no optical signal attenuation problem caused by an optical port-based connection manner, a problem that a quantity of optical terminals is limited due to an optical path loss can be resolved. This helps expand a quantity of optical terminals that can be connected in the communication system, and further helps expand application of the communication system to an application scenario of massive nodes.

The invention is suitable for the technical field of long-distance automatic control, provides a communication network construction method for a compressor in a large-scale helium low-temperature system and a communication network, and aims to solve the problem that the transmission rate of PROFIBUS DP communication cannot meet the rate requirement of automatic control of the large-scale helium low-temperature system after the distance exceeds 400 meters. Combining optical fibers with a PROFIBUS DP network is expected to expand the effective transmission range. And through the matching arrangement of the terminal resistors, the situation that the resistance of the whole network terminal is increased due to the addition of the RS485 repeater is reduced, and communication hardware faults are avoided. The effective transmission distance of PROFIBUS DP communication is effectively improved, and the technical effects of automatic control of a large helium low-temperature system and stable operation of a communication network are achieved.

Embodiments of the present disclosure provide methods and apparatuses for signal transmission such as high-speed serial bus signal transmission. A method performed by a retimer adapter comprises obtaining at least one configuration scheme of the retimer adapter. The retimer adapter is able to be connected between a first communication device and a second communication device. The method further comprises configuring the retimer adapter to operate at one of the at least one configuration scheme of the retimer adapter.

The present disclosed an active optical cable. The active optical cable comprises a first connector configured to connect to a Source; a second connector configured to connect to a Sink; a cable located between the first connector and the second connector, wherein the cable comprises a first optical fiber and a second optical fiber; and a multiplexer, with one end coupled to a high-speed signal pin of the first connector or the second connector and another end coupled to the first optical fiber or the second optical fiber, and is configured to select one of the first optical fiber and the second optical fiber as a valid channel. Through the solution provided by the disclosure, signal transmission requirements in multiple use scenarios are adapted, full-function switching of USB and / or DP data of the active optical cable based on a Type-C interface is realized.

A signal sending method includes: acquiring a first data signal and a first auxiliary signal to be sent to a first opposite-side device, wherein the first data signal is to be sent via PCle optical-fiber links of a quantity N, that is ≥2; determining a first-signal-intensity sequence corresponding to the first auxiliary signal, wherein the first-signal-intensity sequence includes first signal intensities of a quantity M, that is ≥2; and according to the first-signal-intensity sequence, converting the first data signal into first optical signals of the quantity N, and via the PCIe optical-fiber links of the quantity N, sending the first optical signals of the quantity N to the first opposite-side device, wherein signal intensities of the first optical signals of the quantity M among the first optical signals of the quantity N and the first signal intensities of the quantity M have a one-to-one correspondence relation therebetween.

The optical transmitter includes an array of light sources that transmit visible light having a wavelength between 580 nm and 700 nm along each core of the multi-core fiber optic cable for reception at a corresponding array of photodetectors in the optical receiver unit, and a controller that receives data from a transmitting computer system, encodes the data by modulating the visible light output by the array of light sources, and transmits the data. The optical receiver unit includes a photodetector array for receiving the modulated visible light from the multi-core fiber optic cable; and a controller that receives the output of the photodetectors; decodes the data from the received output, and provides the decoded data to the receiving computer system. The optical transceiver unit includes an optical transmitter and an optical receiver.

A semiconductor device includes: an interface configured to receive write data transmitted via serial communication from outside; a register configured to store setting data corresponding to multiple channels; and an update controller configured to update the setting data based on the write data, wherein the write data includes first data comprising a plurality of bits corresponding to the multiple channels, respectively, each bit among the plurality of bits indicating whether or not there is a data update for a corresponding channel among the multiple channels; and second data comprising one or more update values of the setting data respectively for one or more channels, among the multiple channels, for which the first data indicates whether there are one or more data updates.

An architecture for peripheral component interconnect express compliant signals over optical fiber is provided. A method includes, based on a first determination that an impedance level of a receiver device satisfies a defined impedance level, causing a driver to pulse at a first defined frequency and duty cycle level. Further, based on a second determination that a number of pulses received, at a transimpedance amplifier, at the first defined frequency and duty cycle level satisfy a defined number of pulses and at least one defined criterion, the method causes a second impedance level of the driver to match the defined impedance level and causes the driver to enter an electrical idle state. The method also includes facilitating, by a transmitter, transmission of data to the receiver device at a second defined frequency level, via an optical fiber link.

The invention relates to the technical field of communication, in particular to an ore grade communication system and an ore grade communication method using the same, the system comprises ore birth information terminal equipment and a plurality of ore grade indicator lamp groups, and the ore grade indicator lamp groups are arranged in different operation units such as mining, temporary storage, circulation, warehousing, warehousing and ex-warehouse. Each group comprises at least one ore grade indicating lamp, different colors are controlled by the PLC control module, and the ore grade indicating lamps are connected into a bus topological structure through optical fibers and are in data interaction with terminal equipment. And the ore birth information terminal equipment is responsible for recording ore grade information and transmitting the information when the ore birth information terminal equipment and the ore grade indicating lamp group are in a limited distance. The ore grade information is ensured to be accurately and completely transmitted, operators can visually and conveniently obtain the ore grade information, and the production management difficulty is reduced.

The embodiment of the invention provides a processor verification system and method, electronic equipment and a readable storage medium. The system comprises an equipment end and a processing end. The equipment end comprises at least two processor cores of a processor to be verified; the processing end comprises a network-on-chip, and the network-on-chip is used for data interaction among the processor cores in the equipment end; the equipment end is connected with the processing end through an optical module, and the optical module adopts a preset communication protocol. According to the invention, physical separation and logic centralized management are realized, and large-scale network-on-chip logic is stripped from a processor core end and centralized to a special processing end, so that the logic complexity of an equipment end where the processor core is located is greatly reduced.

A method of testing optical fiber communication channels includes sending, by a first termination unit of a test tool, a plurality of test parameters over at least one of a plurality of communication channels to a second termination unit of the test tool, the plurality of communication channels extending from a first cable endpoint to a second cable endpoint through at least one optical fiber cable. The first cable endpoint is connected to the first termination unit and the second cable endpoint is connected to the second termination unit, and the plurality of test parameters includes a wavelength of a plurality of test signals. The method also includes sending, by the first termination unit, the plurality of test signals over the plurality of communication channels to the second termination unit, and receiving test results over at least one of the plurality of communication channels.

In accordance with an embodiment, an optical head end generates uplink grant information of periodic data based on configuration information of the periodic data from a controller, where the uplink grant information of the periodic data is continuously valid within a threshold time range, and indicates a corresponding transmission slot of sending the periodic data by an optical terminal. The optical head end sends the uplink grant information of the periodic data to the optical terminal.

A distributed network element and subsea network element management system for an optical communication system. The system includes a plurality of cable landing stations configured to communicatively couple using one or more optical communication cables in a peer-to-peer network to route one or more optical signals using one or more network elements. Each cable landing station includes a management device configured to determine one or more optical communication paths for routing optical signals, and a command / response optical device communicatively coupled to the management device for routing optical signals according to the optical communication paths. In response to receiving a request to route at least one optical signal, the management device of each cable landing station is configured to determine at least one optical communication path for routing the optical signal from a topological graph of the peer-to-peer network of the plurality of cable landing stations.