15results about "Repeater/relay circuits" patented technology

Implementations of a pre-emphasis signal processing system may include an output driver which may include a pre-emphasis transistor coupled with a steady state transistor, where gates of the pre-emphasis transistor and steady state transistor may be coupled together. The system may include a regulator voltage input coupled to a source of the pre-emphasis transistor; a first resistor coupled between a drain of the pre-emphasis transistor and an output of the output driver; and a second resistor coupled between the drain of the steady state transistor and the output of the output driver; and a pre-emphasis source including a current source coupled to a delay transistor, the delay transistor coupled with the output of the output driver.

A relay device that includes a processor that is configured to: monitor a state of the in-vehicle network; perform update processing of the correspondence information; switch between a stopped state in which the update processing is stopped and an execution state in which the update processing is executed, and to switch from the stopped state to the execution state when a change in the state of the in-vehicle network is detected; and save, in the memory, the correspondence information on which the update processing is performed in the execution state as the correspondence information to be used for the relay processing in the stopped state, when the processor switches from the execution state to the stopped state.

The application relates to the technical field of data transmission, and discloses a high-speed data transmission method and system based on optical fibers, which are applied to a high-speed data transmission system based on optical fibers, and the system comprises a relay memory and a register. The method comprises the following steps: a sending end generates corresponding relay information based on all to-be-transmitted data, stores the relay information into the relay memory, and stores the to-be-transmitted data into the register; the to-be-transmitted data is sent to a receiving end through the register, wherein each to-be-transmitted data corresponds to the relay information in a one-to-one manner; the receiving end reads the relay information in the relay memory, and sends the relay information to the register; and the register sends corresponding to-be-transmitted data to the receiving end according to the one-to-one correspondence relationship between the relay information and the to-be-transmitted data. The application solves the problem that the existing data transmission mode has low efficiency and reliability.

In described examples, a retimer includes a reference voltage generator, first, second, third, and fourth comparators, a hit sensor, a window results comparison circuit, and a window control circuit. First inputs of the first, second, third, and fourth comparators receive samples of a data stream. First, second, third, and fourth outputs of the reference voltage generator are coupled to respective second inputs of the first, second, third, and fourth comparators. The third and fourth comparators output to, respectively, first and second inputs of the hit sensor. The hit sensor outputs to an input of the window results comparison circuit. The window results comparison circuit outputs to an input of the window control circuit. The window control circuit outputs to an input of the reference voltage generator.

The invention discloses an interconnection architecture applied to an accelerator cluster, which can be applied to any interconnection architecture capable of prolonging a transmission distance, reducing signal loss, reducing transmission cost and power consumption and having exchange capacity, namely any architecture capable of connecting two ends in the accelerator cluster to serve as interconnection components. The characteristics of data routing and forwarding at the two connected ends are utilized, the expandability and dynamic reconfigurability of the accelerator cluster are enhanced, the resource utilization rate is improved, and the requirement of the accelerator cluster for a high-capacity switch can be directly reduced. In addition, an interconnection network deployment mode of independent networking can be achieved without using a switch, and collaborative / hybrid deployment with a traditional switch can also be achieved. In addition, the invention also has the following advantages: 1, networking is allowed under the condition that a traditional switch is not used, and the reliability and fault tolerance of the system are improved through a mode of connecting a plurality of active switching connectors in parallel; 2, on the basis of mixed use of a novel high-performance interconnection architecture and a traditional switch, the requirement of networking on high-capacity traditional switching equipment can be reduced; and 3, the expandability of the accelerator cluster is enhanced, and the system can be expanded more conveniently.

The invention provides a relay device which can suppress the generation of unnecessary waiting time in tools and the like even if relay omission of diagnosis frames occurs. A relay device that relays communication between a tool and an ECU includes: a determination unit that determines whether or not coverage of a diagnostic frame to be communicated from the ECU to the tool occurs in a buffer in which a frame waiting for relay is standby; a storage unit that stores identification information of the ECU that has transmitted the covered diagnostic frame and data of the covered diagnostic frame when it is determined by the determination unit that coverage has occurred; and a notification unit that notifies the tool of a relay failure on the basis of the identification information and data stored in the storage unit.

A correction device included in a communication system is configured to determine whether a communication parameter, which is set in a transmission setting for transmitting a frame in at least one target device, needs to be corrected based on time information included in a frame. The correction device is configured to adjust the communication parameter to suppress a deterioration in a communication quality in response to determining that the communication parameter needs to be corrected. Then, the correction devices is configured to notify the at least one target device of a new communication parameter that has been adjusted.

A correction device included in a communication system is configured to determine (S103) whether a communication parameter set in a transmit setting for sending a frame to at least one destination device needs to be corrected, based on timing information contained in a frame. The correction device is configured to adjust the communication parameter (S104) to suppress any degradation in communication quality when it is determined that the communication parameter needs to be corrected. The correction device is then configured to inform the at least one destination device of the new communication parameter that has been adjusted (S105).

The embodiment of the invention discloses an internet-of-things intelligent socket and method, and the socket comprises a front-end communication device and a rear-end communication device. Wherein the front-end communication device is used for sending initial communication data to the rear-end communication device under the condition that the initial communication data sent by a front-end sensor is collected; and the rear-end communication device is used for modulating the initial communication data to obtain target communication data, and returning the target communication data to the front-end communication device, so that the front-end communication device sends the target communication data to the front-end sensor based on a preset communication protocol. According to the technical scheme provided by the embodiment of the invention, the problems that the Internet of Things relay equipment in the prior art is easy to loosen and fall off and occupies an external power supply of a socket because the Internet of Things relay equipment needs to be inserted into the socket for use are solved; and based on the Internet-of-Things interaction between the communication device in the socket and the external equipment, the problems of easy loosening and falling and occupation of an external power supply of the socket are solved, and the use experience of the socket is improved.

Apparatuses and methods for time-division duplex (TDD) for network controlled repeaters (NCRs). A method for an NCR includes identifying, by an NCR mobile termination (NCR-MT) entity, information for first TDD uplink-downlink (UL-DL) patterns for a first cell associated with an NCR control link (C-link) and information for second TDD UL-DL patterns for a second cell associated with an NCR backhaul link (BH-link). The method further includes receiving, by the NCR-MT entity on the NCR C-link, downlink signals or channels on the first cell in first downlink or flexible symbols or slots of the first TDD UL-DL patterns and receiving, by an NCR forwarding (NCR-Fwd) entity on the NCR BH-link, radio frequency signals on the second cell in second downlink or flexible symbols or slots of the second TDD UL-DL patterns. The first and second cells are associated with different carrier frequencies. The first and second TDD UL-DL patterns are different.

To provide a technique capable of optimizing communication quality of a communication network.SOLUTION: In S103, the determination unit 55 determines, based on at least time information included in a frame received by the second communication device from the first communication device via at least one relay device, whether or not correction is necessary for a communication parameter among settings for transmitting a frame set in at least one target device. In S104 and S105, when the determination unit 55 determines that the communication parameter needs to be corrected, the correction notifying unit 56 adjusts the communication parameter so as to suppress a decrease in communication qualities and notifies at least one target device of a new communication parameter.SELECTED DRAWING: Figure 3

A correction device (6) used in a communication system (100) in which a plurality of communication devices (1-4) are communicably connected via at least one relay device (5) is provided with a determination unit (55, S103) and a correction notification unit (56, S104, S105). The determination unit determines, on the basis of at least timing information included in a frame received by the second communication device from the first communication device via the at least one relay device, whether or not a communication parameter in a setting for transmitting a frame set for the at least one target device needs to be corrected. When the determination unit determines that the communication parameter needs to be corrected, the correction notification unit adjusts the communication parameter so as to suppress a decrease in communication quality, and notifies at least one target device of a new communication parameter.

This device provides a relay system that can suppress unnecessary waiting times in tools and other systems even if diagnostic frame relay failures occur. [Solution] A relay device for relaying communication between a tool and an ECU, comprising: a buffer for holding frames awaiting relay, a determination unit for determining whether or not an overwrite of a diagnostic frame to be communicated from the ECU to the tool occurs; a storage unit for storing identification information of the ECU that sent the diagnostic frame to be overwritten and data of the diagnostic frame to be overwritten, if the determination unit determines that an overwrite has occurred; and a notification unit for notifying the tool of a relay failure based on the identification information and data stored in the storage unit.

To provide a PAPR (Peak to Average Power Ratio) reduction method in a communication device, and more specifically, a method for performing CFR (Crest Factor Reduction) processing on a signal for reducing a PAPR in a communication device like a repeater.SOLUTION: A communication device includes: a first CFR module that generates a first processing signal by performing CFR processing on an original signal; and a second CFR module that generates a second processing signal by performing CFR processing on the first processing signal. The first processing signal is generated using a first sampling rate, and the second processing signal is generated using a second sampling rate. According to the present invention, even a communication device with a low sampling rate can effectively remove a peak component of an input signal.SELECTED DRAWING: Figure 1

The utility model provides a kind of communication relay system suitable for non-coal underground mine stope networking needs, comprising: multi-network convergence route, power supply circuit and main network, wherein: the power supply circuit is extended along the extension direction of recovery entry and is arranged, at least one multi-network convergence route is arranged every first preset distance on the power supply circuit, and each the multi-network convergence route is electrically connected with the power supply circuit;The main network is arranged outside the entrance of the recovery entry, and the main network is connected with the multi-network convergence route closest to the entrance of the recovery entry by network cable or optical fiber;The multi-network convergence route is used for the reception and transmission of wireless signal inside the recovery entry. By using power supply circuit, multiple multi-network convergence routes are deployed in recovery entry, and optical fiber is not needed to be laid to realize data transmission between network base stations, while realizing network coverage inside the recovery entry, the deployment difficulty and deployment cost are reduced.