47results about "Time-division multiplexing selection" patented technology

The invention discloses a time-frequency resource allocation method and system for a power distribution network, and is applied to the field of communication and power fusion, and the method comprises the steps: responding to a business processing request signal of a target power distribution network; determining the priority of each service request; determining a time-frequency resource block corresponding to each service request in sequence; when a service request corresponding to a high priority in the service request priorities is executed, if it is detected that the current time-frequency resource blocks are insufficient, a first scheduling signal is generated; when a service request corresponding to a low priority in the service request priorities is executed, if it is detected that the current time-frequency resource block is insufficient, a second split signal or a third adjustment signal is generated; generating a time-frequency resource allocation scheme of the target power distribution network; and executing the time-frequency resource allocation scheme. According to the power distribution network time-frequency resource allocation method and system provided by the invention, the time-frequency resource allocation problem of transmission of multiple types of service requirements under the condition that the time-frequency resources are limited is effectively solved, and the utilization efficiency of the time-frequency resources is improved.

A system and method for time division multiplexing voice and situational awareness data with defined transmission and retransmission windows comprises coordinating the voice and situational awareness windows at defined times across all nodes. Control signal windows and control signal retransmission windows are also defined to propagate control signals to coordinate the various voice and situational awareness windows. Voice data is prioritized for bandwidth.

Systems and methods receive control signal(s) from an interconnected data platform of a third-party to initiate display of digital images that are customized for an individual, the digital images including an image that includes a link to access a previous interaction between the individual and an agent. Distributed access to the digital images accessible via multiple platforms is regulated via one or more multiplex communication protocols, with each of the multiple platforms including a respective displayable interface for displaying at least some of the plurality of digital images during an interaction between the individual and a user. An indication of a user selection, by the user, of the link is received, and based on receiving the indication, information about the previous interaction is routed to a computing device of the user that is accessing a platform of the multiple interface platforms.

The application relates to a resource allocation method of a full-optical space division multiplexing elastic optical network, and belongs to the technical field of optical network communication. The method comprises the steps of fiber core grouping and spectrum partitioning, fiber core selection and L-shaped frequency block allocation. The fiber core grouping and spectrum partitioning step divides a seven-core optical fiber into three groups, divides an in-group priority area, and sets a grouping partition weight coefficient. The fiber core selection step arranges the fiber cores in descending order according to the fiber core weight values according to the frequency slot usage, the link length and the number of overlapping frequency slots between the fiber cores on a path, selects the fiber core with the maximum weight value as a transmission fiber core, the L-shaped frequency block allocation step obtains an L-shaped frequency block set satisfying the connection type limitation and the crosstalk threshold limitation according to the remaining unallocated frequency blocks and the frequency block allocation limitation condition, and selects the L-shaped frequency block with the maximum weight value as a transmission frequency block by using an L-shaped frequency block weight calculation formula. The application can balance the number of idle slice machines at each node on the network and guarantee efficient transmission of service requests.

The embodiment of the present disclosure discloses a heartbeat mechanism implementation method and system. The method comprises the following steps: after power supply of a master node and a slave node, initialization is performed to obtain heartbeat message time-sharing sending time, heartbeat period and network access application message sending time; the master node sends a start message to the slave node at the beginning time of the current service period; the offline slave node sends a network access application message to the master node at the network access application message sending time; the master node sends a pause message to the slave node; after processing the first network access application message, the master node generates a configuration message and sends it to the slave node; the offline slave node sets the corresponding offline slave node to an online slave node according to the configuration message; within the network access application time, if the master node does not receive the network access application message, all online slave nodes send heartbeat messages to the master node in turn according to the heartbeat period at the corresponding heartbeat message time-sharing sending time.

The measures described herein can extend the functionality of NoCs (22). In particular, a method for multi-source communication for Triple Modular Redundancy (TMR), a method for branched communication, and a method for virtual buses are proposed.

A synchronization information transmission method, a sending end device, a receiving end device and a storage medium are disclosed. The method includes: switching, by the sending end device, the synchronization information to a second PHY link for transmission when it is detected that a first physical layer PHY link used for transmitting synchronization information fails, the second PHY link being a PHY link other than the first PHY link in the FlexE group; wherein the FlexE group exists between the sending end device and the receiving end device, the FlexE group includes at least two PHY links.

Provided herein are systems and methods for performing dynamic adaption and correction for internal delays in devices connected to a common time-multiplexed bus. The methods allow devices to operate reliably at a higher bus frequency by correcting for inherent and unknown delays within the components and in the system by measuring the actual delays using multiple readings with the bus. Intrinsic noise and jitter are used to increase the precision of the measurements, thereby essentially using these uncertainties as self-dithering for increased measurement resolution. During adaption, delays may be adjusted in multiple step sizes to speed adaption time.

A system and method of transmitting signals are provided. The method includes: acquiring a Virtual Pin Port (VPP) lighting signal and a Serial General Purpose Input / Output (SGPIO) lighting signal by a server motherboard, a hard disk backplane being deployed with a target logic device and a set of hard disk slots; and scheduling and switching the VPP lighting signal and the SGPIO lighting signal in an orderly time-division way by using a preset time-division multiplexing manner, so as to transmit the VPP lighting signal and the SGPIO lighting signal to the target logic device through a same lighting cable.

The application discloses a fixed broadband access network fault monitoring method and electronic equipment and a computer readable storage medium. The scheme provided by the application comprises the following steps: obtaining relevant device information of an access network device passed through by a user when the user accesses a fixed broadband network and online and offline information of the user; monitoring an actual online user quantity borne by a target access network device at a preset time interval according to the relevant device information of the access network device and the online and offline information; determining a decrease amplitude value of the online user quantity of the target access network device at a current monitoring time point according to the actual online user quantity at the current monitoring time point and a preset threshold value, wherein the preset threshold value is determined according to a historical online user quantity when the target access network device normally operates; and judging that the target access network device has a fault when the decrease amplitude value of the online user quantity exceeds a first preset safety threshold value.

A client device determines that a telephony outage is occurring. The client device connects to an on-premises telephony node using an encrypted password at the client device. The client device accesses a set of telephony services via the on-premises telephony node.

The embodiment of the invention relates to the technical field of energy storage systems, and provides an energy storage system clock synchronization method, an energy storage converter and an energy storage system.The method comprises the steps that the cable length between a first controller and a second controller closest to the first controller is obtained, and a first cable distance is obtained; determining first delay time at least according to the first cable distance, wherein the first delay time is a phase difference value between a clock of a second controller closest to the first controller and a clock of the first controller; and the first delay time is sent to the second controller within a preset time period, so that the second controller adds the clock of the second controller and the first delay time, and clock synchronization between the first controller and the second controller closest to the first controller is realized. The clock synchronization method of the energy storage system at least can solve the problem of high cost caused by the fact that clock synchronization of a first controller and a second controller in an energy storage system in the prior art needs optical fiber electrical connection.

The measures described herein can extend the functionality of NoCs (22). In particular, a method for multi-source communication for Triple Modular Redundancy (TMR), a method for branched communication, and a method for virtual buses are proposed.

Aspects of the disclosure relate to devices, wireless communication apparatuses, methods, and circuitry for a t-switch with gate shunting. One aspect is an apparatus including a first differential switch having a control input. The apparatus further includes a second differential switch coupled to the first differential switch, the second differential switch a control input. A shunt capacitor is coupled between a first output and a second output of the first differential switch, and a first input and a second input of the second differential switch. A first shunt switch having a control input, an input, and an output has the input and the output coupled to the control input of the first differential switch. A second shunt switch having a control input, an input, and an output, has the input and the output coupled to the control input of the second differential switch.

The invention relates to a time resource allocation technique in a fiber optic communication system comprising an optical line terminal connected to a plurality of user modules via a single optical fiber. The optical line terminal implements a periodically updated time resource allocation schedule for said user modules, allocating to each user module a time slot for the transmission of at least one frame. Such a technique relies on the following steps: updating (100) the header field durations, establishing (200) the allocation schedule taking into account the updated header field durations, and disseminating (300) the established allocation schedule to all user modules. Figure 1

Methods, media, and systems are provided for facilitating efficient resource allocation for devices served by a fixed wireless access (FWA) device. At an FWA device serving the one or more devices, a quantity of devices served by the FW device is determined. Device information is requested from the devices, and the quantity of devices and the device information are communicated to a node serving the FWA device to facilitate efficient resource allocation. The node is associated with a wireless telecommunications network.

To provide a system and method for performing dynamic adaptation and correction of internal delays in devices (130, 150) connected to a common time-multiplexed bus (120).SOLUTION: In the system (100), the master device (102) compensates for inherent and unknown delays in the components and in the system by measuring actual delays using multiple read values on the bus (120), thereby allowing the devices (130, 150) to operate reliably at higher bus frequencies. Intrinsic noise and jitter are used to increase the accuracy of the measurement, thereby essentially using these uncertainties as self-dithering to increase the measurement resolution. During adaptation, the delay may be adjusted in multiple step sizes to speed up the adaptation time.SELECTED DRAWING: Figure 1

The invention discloses a burst mode clock data recovery circuit with self-adaptive bandwidth capability, which is applied to an optical link, an input optical signal is converted into an electric signal, the electric signal is input into an analog front end to be processed to obtain digital input, and a data path adopts a quarter architecture to sample the digital input to obtain edge information and data information, namely a digital signal; the burst mode clock data recovery module comprises a phase discriminator, a voting device, a second-order loop filter and a self-adaptive bandwidth control algorithm; the phase discriminator receives the edge information and the data information and outputs multiple groups of parallel phase discrimination results, and the voting device receives and processes the phase discrimination results and dynamically adjusts the output proportion and integral gain according to a self-adaptive bandwidth control algorithm; the second-order loop filter outputs a phase control code according to the proportion and the integral gain; the clock path generates an eight-phase clock signal according to the phase control code for sampling control of the data path. According to the method, the locking time is 6.4 ns under the conditions that the data rate is 40Gb / s and the frequency deviation is 100ppm.

This invention discloses an uplink and downlink wavelength locking method and system for Time Division Frequency Division Multiplexing Passive Optical Network (TFDM-PON), including a downlink wavelength difference estimation and compensation stage; an uplink carrier construction and transmission stage; and an optical line terminal (OLT) side reception and demodulation stage. In the downlink wavelength difference estimation and compensation stage, the frequency offset between the OLT transmitting source and the ONU local laser is estimated through the reception and processing of the downlink coherent optical signal by the optical network unit (ONU), and the local laser frequency is compensated. In the uplink carrier construction and transmission stage, an uplink coherent optical signal with controllable spectrum is generated based on the local laser source locked in the downlink wavelength difference estimation and compensation stage. In the OLT side reception and demodulation stage, the OLT receives the uplink coherent optical signals from each ONU, utilizing the predictability of the uplink optical carrier frequency. This invention provides an uplink and downlink wavelength locking method and system for TFDM-PON, effectively reducing the complexity of digital signal processing on the OLT side and improving the stability, reliability, and scalability of the system in scenarios with multiple ONUs concurrent access.

This application discloses a bandwidth allocation method, apparatus, communication equipment and storage medium, and belongs to the field of optical network communication technology. The bandwidth allocation method is applied to an optical line termination device in a passive optical network and includes the steps of: detecting traffic data features of uplink periodic traffic in the passive optical network, wherein the traffic data features include at least a traffic data packet length and a traffic data cycle; and allocating the first bandwidth, which is greater than or equal to the traffic data packet length, to an optical network unit in the passive optical network according to the traffic data cycle, so that the optical network unit transfers the traffic data of the uplink periodic traffic according to the first bandwidth.

A probe (20) for testing full duplex multi-level signals between a first transceiver (12) and a second transceiver (14) is described, comprising a first probe interface (22) to be connected to the first transceiver (12), a second probe interface (24) to be connected to the second transceiver (14), and a directional coupler unit (26) having finite directivity. The directional coupler unit (26) is configured to provide a first directional coupler signal indicative of a signal in forward direction as well as a second directional coupler signal indicative of a signal in reverse direction. The first directional coupler signal is provided at a first output interface (28) and the second directional coupler signal is provided at a second output interface (30). Further, a measurement system, a method for testing as well as a method for setting a probe (20) are described.

Embodiments of the present disclosure provide a system and method of transmitting a signal. The method includes: acquiring a Virtual Pin Port (VPP) lighting signal and a Serial General Purpose Input / Output (SGPIO) lighting signal by a server motherboard, wherein a hard disk backplane is deployed with a target logic device and a set of hard disk slots; and scheduling and switching the VPP lighting signal and the SGPIO lighting signal in an orderly time-division way by using a preset time-division multiplexing manner, so as to transmit the VPP lighting signal and the SGPIO lighting signal to the target logic device through a same lighting cable, wherein the preset time-division multiplexing manner includes: continuously detecting the VPP lighting signal and the SGPIO lighting signal within a time-division multiplexing cycle, performing identification and determination according to waveform characteristics of the VPP lighting signal and the SGPIO lighting signal, sampling the VPP lighting signal and the SGPIO lighting signal which are continuously sent, and according to one or more specific flag bits of the VPP lighting signal and the SGPIO lighting signal and a preset specific rule, switching the VPP lighting signal and the SGPIO lighting signal to be alternately transmitted to a time-division multiplexing channel.

The present disclosure relates to a method and an apparatus for performing periodic task. A method (100) for performing a periodic task may comprise: determining (S102) a time unit, based on a time period needed for scanning a first random access memory, RAM; scanning (S104) circularly the first RAM; and performing (S106) a task with a predetermined periodicity, based at least on a cycle number for scanning the first RAM. The cycle number is determined, based on the time unit and the predetermined periodicity. According to embodiments of the present disclosure, an improvement for performing a periodic task may be provided. Particularly, embodiments of the present disclosure may be applied not only in slow and small-scale periodicities, but also applicable even when the periodicities have values varying in a large range, and / or when some periodicities have very small values.

The embodiment of the invention relates to the technical field of energy storage systems, and provides a clock synchronization method of an energy storage system and the energy storage system.The method comprises the steps that the length of a cable between a first controller and a second controller closest to the first controller is obtained, a first cable distance is obtained, and first delay time is determined at least according to the first cable distance, the first delay time is a phase difference value between the clock of the second controller closest to the first controller and the clock of the first controller; and the first delay time is sent to the second controller within a preset time period, so that the second controller adds the clock of the second controller and the first delay time, and clock synchronization between the first controller and the second controller closest to the first controller is realized. The clock synchronization method of the energy storage system at least can solve the problem of high cost caused by the fact that clock synchronization of a first controller and a second controller in an energy storage system in the prior art needs optical fiber electrical connection.

The embodiment of the present application relates to the technical field of energy storage systems, and provides a clock synchronization method of an energy storage system, an energy storage converter and an energy storage system, the method comprising: obtaining a cable length between a first controller and a second controller closest to the first controller, obtaining a first cable distance, and determining a first delay time according to at least the first cable distance, the first delay time being a phase difference value between a clock of the second controller closest to the first controller and a clock of the first controller; and sending the first delay time to the second controller within a preset time period, so that the second controller adds the clock of the second controller and the first delay time, thereby realizing clock synchronization between the first controller and the second controller closest to the first controller. The clock synchronization method of the energy storage system can at least solve the problem that the clock synchronization of the first controller and the second controller in the prior art energy storage system needs optical fiber electrical connection, resulting in high cost.

Embodiments of the present disclosure relate to systems and methods for calibrating frequency multipliers. According to one embodiment, a method includes receiving, by a tunable frequency multiplication circuit, a first clock signal having a first clock frequency; generating, using the tunable frequency multiplication circuit, a second clock signal having a second clock frequency, the second clock frequency being twice the first clock frequency; measuring a duty cycle parameter of the second clock signal, wherein the duty cycle parameter depends on a duty cycle of the first clock signal or a duty cycle of the second clock signal; and adjusting, using the tunable frequency multiplication circuit, the duty cycle of the first clock signal or the duty cycle of the second clock signal based on the measurement.