29results about "Time-division multiplexing selection" patented technology

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 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.

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.

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.

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

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.

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.

The invention discloses a multi-channel single optical fiber multiplexing communication relay method and system, a medium and a processor, and belongs to the technical field of optical fiber transmission. The method is implemented based on a first relay device and a second relay device which are used in pairs and connected through a single optical fiber, and comprises the following steps: the first relay device receives original data messages of multiple paths of external terminals, and adds a frame header containing a channel identifier for each path of message to form an internal relay frame; multiplexing multiple paths of relay frames into a serial data stream, converting the serial data stream into an optical signal, and sending the optical signal through a single optical fiber; and the second relay equipment receives the optical signal, recovers the optical signal into an electric signal, analyzes each relay frame and a channel identifier thereof, and routes the original data message to an external terminal of a corresponding channel according to the identifier. Transparent and reliable transmission of multi-channel communication data on a single optical fiber is realized, optical fiber resources are greatly saved, system cost and wiring complexity are reduced, and the optical fiber transmission system is suitable for multi-interface long-distance communication scenes such as industrial control and intelligent transportation.

This application provides a method and an apparatus for transmitting a service flow based on flexible Ethernet FlexE. The flexible Ethernet includes a first network device and a second network device, and the first network device and the second network device transmit the service flow by using a first FlexE group. The method includes: sending, by the first network device, a first FlexE overhead frame to the second network device, where the first FlexE overhead frame includes FlexE group adjustment identification information and PHY information of a physical layer PHY included in a second FlexE group; receiving, by the first network device, a second FlexE overhead frame sent by the second network device, where the second FlexE overhead frame includes FlexE group adjustment acknowledgment identification information; adjusting, by the first network device, the first FlexE group to the second FlexE group; and sending, by the first network device, the service flow to the second network device based on the second FlexE group, to dynamically adjust a FlexE group.

Disclosed is a time-division multi-channel transmission and reception system including a transmitter and a receiver. The transmitter includes a first transmit channel that outputs a first transmit signal based on a first time-division pulse signal, a second transmit channel that outputs a second transmit signal based on a second time-division pulse signal, and a time-division pulse generator that generates the first time-division pulse signal and the second time-division pulse signal based on a clock signal. The first transmit signal and the second transmit signal are separated from each other in time.

This application discloses a multi-channel optical receiver handover method and system based on TDD state awareness, relating to the field of multi-channel optical receiver technology. The method includes: fusing environmental awareness data, channel quality indicators, and TDD state information for monitoring; freezing quality samples in the uplink time slot; obtaining stable preprocessed channel quality characteristics by smoothing and normalizing only the effective downlink samples; calculating a comprehensive evaluation score for each candidate optical channel by combining environmental attenuation characteristics and uplink / downlink duty cycle matching characteristics; and performing relative threshold judgment at a predetermined decision time within the TDD frame; restricting the handover action to be performed at the boundary of adjacent time slots, ensuring that channel selection takes into account link quality, service duty cycle requirements, and handover timing. This improves system stability and service continuity under complex atmospheric environments and TDD systems.

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 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.

A test instrument can be coupled to a test point in a passive optical network (PON) to perform an optical network unit (ONU) assignment determination test. The ONU assignment determination test determines a one-to-one assignment of an ONU to an optical line terminal (OLT) in the PON from a downstream signal received during an activation process. The test instrument can capture downstream signals for OLTs of different PONs simultaneously operating on the same optical distribution network to determine ONU assignment for the different PONs in a single test. The test instrument can be a termination mode device.

Aspects of the disclosure relate to apparatuses, wireless communication devices, methods, and circuitry for t-switches with gate shunting. One aspect is an apparatus comprising a first differential switch having a control input. The apparatus also includes a second differential switch coupled to the first differential switch, the second differential switch being the 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 discloses a multi-channel optical receiver switching method and system based on TDD state perception, and relates to the technical field of multi-channel optical receivers, and the method comprises the steps: introducing fusion monitoring of environment perception data, channel quality indexes and TDD state information; freezing a quality sample in an uplink time slot, and obtaining stable pre-processing channel quality characteristics only by using a downlink effective sample through smooth normalization; calculating a comprehensive evaluation score for each candidate optical channel in combination with environmental attenuation characteristics and uplink and downlink duty ratio matching characteristics, and performing relative threshold judgment at a predetermined decision moment in a TDD frame; and the switching action is limited to be executed at an adjacent time slot boundary, so that channel selection considers link quality, a service duty ratio requirement and a switching time sequence. Therefore, the system stability and the service continuity are improved in a complex atmospheric environment and a TDD (Time Division Duplexing) system.