26results about "Circuit switching systems" patented technology

To achieve a scalable call environment at low cost without increasing the complexity or size of a device.SOLUTION: A line exchange switches lines between a first terminal, which is an input-side terminal, and a second terminal, which is an output-side terminal. The line exchange includes: a first interface unit that is an input-side interface for connecting to the first terminal, the first interface unit packetizing voice data received from the first terminal in predetermined units and outputting the packetized packet data; a packet switch unit that routes the packet data output from the first interface unit; and a second interface unit that is an output-side interface for connecting to the second terminal, the second interface unit having a clock matching unit that writes the routed packet data to a data buffer and reads out the written packet data at a read timing indicated by a time margin value determined based on delay and / or fluctuation of the packet switch unit.SELECTED DRAWING: Figure 1

Communication Hub This description relates to a communication hub circuit comprising: two ports (P1) for exchanging data with another communication hub circuit (102); one port (P2) for exchanging data with a computing microchip (106); one port (P3) for exchanging data with an accelerator microchip (108); one interface (ITm) for exchanging data with a memory circuit (110); one interface (ITs, ITe) for exchanging data with a sensor (104); a data processing circuit (PUs); and a network-on-chip (NOC) for transferring data between elements of the communication hub circuit. Figure for the abstract: Fig. 2

Provided is a terminal including a transmission unit that performs repetition transmission of an uplink signal using an uplink channel, wherein the transmission unit performs the repetition transmission using specific slots that are nonconsecutive and allocated as transmission occasions for the repetition transmission.

A plurality of different types of packets having different structures conforming to CSI-2 standards of MIPI is efficiently transmitted at high speed. A communication apparatus includes a packet generation unit configured to encapsulate a packet conforming to camera serial interface 2 (CSI-2) standards defined by camera service extensions (CSE) standards of Mobile Industry Processor Interface (MIPI) Alliance without distinguishing a type and a structure of the packet to generate an application packet, and a communication unit configured to transmit the application packet to a communication partner apparatus.

According to a first aspect of the present invention, a method for subscriber-specific address assignment in a communications network is provided. The communications network can have a plurality of communications subscribers, in particular at least one address-providing communications subscriber. The communication connections between the communications subscribers can be designed to be separable. The method can comprise generating a state of the communications network in which the address-providing communications subscriber can reach precisely one communications subscriber that does not have a subscriber-specific address via a broadcast message. This can be done, in particular, based on the separable communication connections.The method may include sending a broadcast message comprising a subscriber-specific address to be assigned to the address-requesting communication subscriber in order to enable communication with the address-requesting communication subscriber using unicast addressing. This can be done, in particular, by the address-providing communication subscriber.

According to a first aspect of the invention, a method for participant-specific address assignment in a communication network is provided. The communication network may have a plurality of communication participants, in particular at least one address provider-communication participant. Communication connections between communication participants may be configured to be disconnectable. The method may include generating a state of the communication network in which an address provider-communication participant may contact exactly one communication participant that itself does not have a participant-specific address through a broadcast message. This can be carried out in particular on the basis of a communication connection which is designed to be disconnectable. The method may include transmitting a broadcast message including a participant-specific address to be assigned to an addressed communication participant in order to enable communication with the addressed communication participant by means of unicast addressing. This can in particular be done by an address provider-communication participant.

A method for participant-specific address allocation in a communication network is provided. The communication network may have a plurality of communication participants, in particular at least one address providing communication participant. The communication connections between the communication participants may separable. The method may comprise generating a state of the communication network in which the address providing communication participant can reach exactly one communication participant that does not have a participant-specific address via a broadcast message. This may be based, in particular, on the separable communication connections. The method may comprise sending a broadcast message comprising a participant-specific address to be assigned to the address seeking communication participant in order to enable communication by unicast addressing with the address seeking communication participant. This may be done by the address providing communication participant.

The invention relates to a method for controlling data transmission in a data network (2) of a vehicle (1), which comprises a bus system (20) with a bus (22), a plurality of control units (ECU1 - ECUm), and a central control unit (21). The method is characterized in that the data transmission in the data network (2) takes place according to a transmission protocol that uses a transmission model with time windows (30), and the method comprises the following steps, which are carried out at the central control unit (21): - Monitoring of data transmission in the data network (2) by the central control unit (21), - Determining information about data transmission, - Adjusting the time windows (30) based on the information obtained, - Generating a customized time slot table (32) with the customized time slots (30), and - Transmission of the adapted time window table (32) to all control units (ECU1 - ECUm) of the bus system (20). In addition, a bus system (20) and a vehicle (1) are described.

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may receive physical sidelink shared channel (PSSCH) communications in a set of resource blocks (RBs). The UE may transmit a first physical sidelink feedback channel (PSFCH) communication for PSSCH communication in a first PSFCH opportunity of a plurality of PSFCH opportunities that are uniformly divided in the RB set. Numerous other aspects are described.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a physical sidelink shared channel (PSSCH) communication in a resource block (RB) set. The UE may transmit a first physical sidelink feedback channel (PSFCH) communication for the PSSCH communication in a first PSFCH occasion of multiple PSFCH occasions that are evenly partitioned in the RB set. Numerous other aspects are described.

Methods and articles of manufacture for hosting a safety critical application on an uncontrolled data processing device are provided. Various combinations of installation, functional, host integrity, coexistence, interoperability, power management, and environment checks are performed at various times to determine if the safety critical application operates properly on the device. The operation of the SCA on the UDPD may be controlled accordingly.

A wireless device (120) and a method for enabling access to a radio network node (110) as well as a radio network node (110) and a method for enabling the wireless device (120) to enable access to the radio network node (110) are disclosed. The wireless device (120) supports a first transmission bandwidth. The radio network node (110) operates a carrier on a second transmission bandwidth. The first transmission bandwidth is narrower than the second transmission band width. The wireless device (120) obtains (202) information about the carrier. The wireless device (120) determines (206) a mapping scheme for mapping a set of enumerable elements, e.g. resource blocks or sequence elements, to frequency ranges based on the information about the carrier.

Distribution devices are each connected to a single or a plurality of line switching networks and a single or a plurality of packet switching networks, selects either the line switching network or the packet switching network as the distribution destination on the basis of distribution policy information in a case where data to which the service providing device or the calculation device is set as a transmission destination, and transmits the received data to the selected switching network is received, and the distribution device captures the received data on the basis of the aggregation policy information and transmit the data to the service providing device or the calculation device corresponding to the transmission destination of the captured data in a case where data transmitted by the other distribution device is received from the line switching network or the packet switching network.

The terminal includes a transmitter that performs repetitive transmission of an uplink signal using an uplink channel, wherein the transmitter performs the repetitive transmission using non-continuous specific time slots allocated as transmission opportunities for the repetitive transmission.

Disclosed in the embodiments of the present disclosure are a transmission method, a communication device, a communication system, and a storage medium. The method comprises: if the size of a first media access control (MAC) service data unit (SDU) is less than the size of a transport block (TB), appending padding bits to the first MAC SDU to obtain a first MAC protocol data unit (PDU), wherein the size of the first MAC PDU is the same as the size of the TB; and sending the first MAC PDU to a physical layer. Thus, conditions are provided to some extent for implementing the transmission of MAC SDUs of any size using transparent MAC PDUs.

A message transmission method and apparatus, a network device and a storage medium, relating to the technical field of communications, are applied to the network device, the method comprising: monitoring a scheduling period, one scheduling period being associated with at least one scheduling queue; when it is monitored that a target scheduling period is reached, the deterministic message cached in the first scheduling queue with a preset identifier is forwarded, and the target scheduling period comprises a first scheduling period associated with the first scheduling queue and a second scheduling period adjacent to the first scheduling period. By applying the technical scheme provided by the embodiment of the invention, the resource utilization rate of the network equipment can be improved.

Methods and articles of manufacture for hosting a safety critical application on an uncontrolled data processing device are provided. Various combinations of installation, functional, host integrity, coexistence, interoperability, power management, and environment checks are performed at various times to determine if the safety critical application operates properly on the device. The operation of the SCA on the UDPD may be controlled accordingly.

An optical circuit-switched network comprising: a plurality of nodes, each node comprising one or more optical transceivers being configured to implement time-division multiplexing such that each node, at a given time, belongs to one of a plurality of transmitting groups or one of a plurality of receiving groups; a plurality of one-to-many switches, wherein each optical transceiver of each of a transmitting group of nodes of the plurality of nodes is connected to a one-to-many switch of the plurality of one-to-many switches; a plurality of many-to-one switches, wherein each optical transceiver of each of a receiving group of nodes of the plurality of nodes is connected to a many-to-one switch of the plurality of many-to- one switches; and a plurality of optical subnetwork units, wherein each port of each of the one-to-many switches and the many-to-one-switches connects to a different optical subnetwork unit.

The present disclosure relates to a message transmission method, apparatus, a network device and a storage medium, which relates to the field of communication technology and are applied to a network device. The method comprises: monitoring a scheduling cycle, wherein one scheduling cycle is associated with at least one scheduling queue; forwarding a deterministic message buffered in a first scheduling queue having a preset identifier when it is monitored that a target scheduling cycle is reached, the target scheduling cycle comprising a first scheduling cycle associated with the first scheduling queue and a second scheduling cycle adjacent to the first scheduling cycle. By applying the technical solution provided by examples of the present disclosure, resource utilization of the network device can be improved.

This invention discloses a UVM-based verification device, system, and method for a TST circuit switching module. The device includes: a TST data proxy component that generates switching data and inputs it to the TST switching circuit module under test (TBD), enabling multiple switching units within the TST TD to exchange data; the TST data proxy component also monitors the transmission process of the switching data to obtain the data exchange result; a configuration information control proxy component that generates configuration information for its corresponding switching unit and monitors the transmission result of the configuration information; and a switching data scoring board component that simulates the logic implementation of the switching unit based on the switching data and configuration information to obtain the desired exchange result, and determines whether the data exchange result meets the switching requirements based on the desired exchange result, thus obtaining the verification result of the TST TD switching circuit module. This invention enables verification of TST modules based on the UVM method, thereby improving the reusability, scalability, and verification efficiency of the device.

An application determines conditions of the network between a sender host and a receiver host. The application determines, from the conditions, a length of pause to apply. The application transmits the traffic until the length of pause is completely applied to the network using a series of quantized pauses. When the length of pause exceeds a threshold, the application instructs the sender host to pause the traffic for a first amount of time, and where the length of pause does not exceed the threshold, the application instructs the sender host to pause the traffic for a second smaller amount of time. The application detects a new set of conditions of the network between the first node and the second node, and applies a new series of quantized pauses to transmission of the traffic based on a new length of pause determined from the new set of conditions.

Methods and articles of manufacture for hosting a safety critical application on an uncontrolled data processing device are provided. Various combinations of installation, functional, host integrity, coexistence, interoperability, power management, and environment checks are performed at various times to determine if the safety critical application operates properly on the device. The operation of the SCA on the UDPD may be controlled accordingly.

A switch matrix structure for planar circuitry such as printed circuit boards and integrated circuits includes a plurality of signal dividers and a plurality of switches. Each signal divider is configured to receive a corresponding input signal and generate a corresponding plurality of divider output signals. Each switch is configured to receive a corresponding divider output from a corresponding signal divider. Each switch is configured to provide a corresponding output signal such that a plurality of output signals are generated by the plurality of switches. In an example, the plurality of switches are arranged in a column, with a first subset of the plurality of signal dividers on a first side of the column, and a second subset of the plurality of signal dividers on a second side of the column. In an example, such a routing configuration reduces a number of routing layers and / or a number of via transitions.

A packet transmission method, an apparatus, a network device, and a storage medium, relating to the technical field of communications. The method is applied to the network device. The method comprises: monitoring scheduling cycles, wherein one scheduling cycle is associated with at least one scheduling queue; and when arriving at target scheduling cycles is detected, forwarding a deterministic packet cached in a first scheduling queue having a preset identifier, wherein the target scheduling cycles comprise a first scheduling cycle associated with the first scheduling queue and a second scheduling cycle adjacent to the first scheduling cycle. By applying the technical solution provided by embodiments of the present application, the resource utilization rate of the network device can be improved.

[Problem] To efficiently transmit a plurality of packets having different MIPI CSI-2 types and structures at a high speed. [Solution] A communication device of the present invention is provided with: a packet generation unit that generates an application packet by encapsulating a packet following a camera serial interface 2 (CSI-2) specification specified by a camera service extension (CSE) specification of a mobile industry processor interface (MIPI), without differentiating the type and structure of the packet; and a communication unit that transmits the application packet to a communication partner device.

This application relates to a cell selection method and apparatus. In an example method, a terminal device performs measurement based on measurement configuration information of N cells and determines M candidate cells based on a measurement result. N is an integer greater than 0, and M is an integer greater than 0 and less than N. The example method further includes the terminal device selecting a target cell from the M candidate cells based on first information. The first information includes coverage information of at least one candidate cell in the M candidate cells.