34results about How to "Implement multiplexing" patented technology

The invention discloses a multiplexing method based on transmission control protocol (TCP) connection. The method is implemented by multiplexing a channel between a proxy server and a server through a plurality of clients. A Client tries to communicate with the server, a SOCKET connecting request is required to be established between the Client and the proxy server, a TCP connection pool management program is installed in the proxy server, a unique ID is distributed to the Client after the connection request is legal, the ID and the SOCKET are used as a key value pair and stored in a forwarding table, the communication request of the Client is agreed, the distributed ID is carried back, and equivalently, a virtual channel for bidirectional communication is established between the Client and the Server. By the method, the frequency of creating and destroying the SOCKET in the server is reduced, and the resources of the server are saved. Meanwhile, multiplexing is realized by establishing the virtual channel between the server and numerous clients.

The invention discloses a novel optical fiber touch sensor array and a manufacturing method of the sensor array. The sensor array comprises a thin film, an array body composed of a plurality of row sensors is arranged on the thin film, and each row sensor comprises n elastic devices arranged in a row and an optical fiber grating sensor penetrating through the elastic devices. The manufacturing process of the optical fiber touch sensor array includes the following steps that first, a transverse series-connection model mold is manufactured; second, row optical touch sensors are manufactured; third, the obtained row optical fiber touch sensors are pasted to the thin film to form the array. When an outside object touches the optical fiber touch sensor array, pressure will be inflicted onto a certain sensor of the optical fiber touch sensor array. Because the material of a substrate of the stressed sensor has good extensibility, the stressed sensor will extend when suffering the inflicted force, an optical fiber grating embedded into the substrate will extend along with extending of the substrate, the grating period of the optical fiber grating will change, and thus the central wavelength of the Bragg grating will correspondingly change.

The invention discloses a system for measuring the disturbance based on the POTDR, and the system employs a method which comprises the following steps: dividing a detection pulse into two cross-polarization components with the same energy through introducing a polarization beam splitter and a polarization beam combiner, combining the cross-polarization components together through small time delay, and enabling the combined detection pulse light to be transmitted to a polarization analyzer through a circulator and a connection optical fiber, wherein the polarization analyzer is disposed at the front end of a sensing optical fiber, the detection pulse passes through the polarization analyzer to enter the optical fiber, the backward rayleigh scattered light of the optical fiber enters an avalanche detector through the circulator, and the polarization signal along the optical fiber is sensed through signal analysis. The system achieves the simultaneous measurement of the disturbance in multiple optical fibers through the introduction of a coupler and connection optical fibers with different lengths. The invention also discloses a disturbance measurement method based on the POTDR, and the system and method eliminate the impact on the sensing and detection from the unrelated disturbance on the connection optical fibers between a POTDR system and sensing optical fibers, and are strong in anti-interference capability. The system can achieve the simultaneous detection of the disturbance of a plurality of independent regions through multiplexing.

The invention discloses a signal negotiation method and a signal negotiation device for realizing RTP data stream multiplexing. The method comprises: an initiator enables the RTP data stream multiplexing function of the initiator, and synchronizes RTP multiplexing configuration information to an initiator network interface unit; the initiator network interface unit initiates an RTCP negotiation request to each target receiver according to the RTP multiplexing configuration information; after receiving the RTCP negotiation request, a receiver network interface unit returns an RTCP negotiation response message in the condition that the negotiation is judged to be successful according to receiver RTP multiplexing configuration information, and is ready to perform multiplexing and demultiplexing on an RTP stream connected with the receiver; and the initiator network interface unit receives the RTC negotiation response message, has successful negotiation with the target receiver, and performs the multiplexing and demultiplexing on an RTP data stream connected with the initiator. The method and the device can effectively improve network bandwidth utilization rate.

The invention relates to a polarization modulation current sensing method and apparatus based on Faraday Effect which is used in electricity measurement with high voltage and high current. The method is based on Faraday light polarization rotating effect, which rotates the multi-loop fiber optical inside the fiber optical chamber with multi-loop fiber optical ring on the wire or cable of the tested current so that a linearly-polarized light can through the fiber optical chamber and reflects many times; it changes the light wave of the single polarization side rotating angle into a superposition of a plurality of light wave of different polarization side rotating angle; the superposition light wave has special polarization which has the respondent relation with the current intensity of the multi-loop fiber optical ring.

The invention relates to multiplexing demodulation equipment based on long-cycle fiber grating reflective sensors.The multiple long-cycle fiber grating reflective sensors are provided with different optical path differences; a broadband light source is connected with the first port of a three-port circulator, the second port of the three-port circulator is connected with an optical fiber connected with the multiple long-cycle fiber grating reflective sensors in series, and the third port is connected with the input end of a first optical fiber coupler; an output end of the first optical fiber coupler is connected with the input end of a polarization controller, and the other output end of the first optical fiber coupler is connected with the input end of an electric adjustable delay line; the output end of the polarization controller and the output end of the electric adjustable delay line are connected with two input ends of a second optical fiber coupler; the output end of the second optical fiber coupler is connected with the input end of a photoelectric detector, and the output end of the photoelectric detector is connected with a data acquisition card.By means of the multiplexing demodulation equipment, system spatial resolution is high, the reusable number is large, and cost is low.

The invention provides a reliable data transmission system based on multi-channel fusion, the system comprises a source end and a destination end, and the source end comprises a channel link monitoring device, a channel multiplexing device, a channel fusion subpackaging device and a channel fusion confirmation device; the destination end comprises a channel fusion response device; Wherein the channel link monitoring device detects whether the communication state of a first channel is abnormal or not; If the first channel is abnormal, the channel multiplexing device selects a second channel tocontinue to transmit data, and the channel fusion subpackaging device performs subpackaging operation on the data to perform data transmission; After the source end sends data through the second channel, the channel fusion response device of the destination end receives and feeds back the data; And the channel fusion confirmation device confirms a data transmission result according to the feedback. According to the invention, a multi-channel transmission mechanism is optimized in real time, the real-time performance of data transmission in a multi-channel network is improved, and the reliability of data transmission is improved.

The invention discloses a special working robot multi-dimensional force sensor. The sensor includes a base, an elastic body, a sealing cover and an upper flange which are sequentially connected from up to down, wherein a lower end of the elastic body is provided with a collection circuit board, the collection circuit board is fixedly connected with the base, the elastic body includes a center table, radial beams are arranged circumferentially around the center table, outer sides of the radial beams are provided with peripheral beams, end portions of the peripheral beams are connected with peripheral supports, the peripheral beams and the peripheral supports are connected in an annular mode, outer sides of the peripheral beams are provided with arc grooves, so stress is concentrated at twosides of the arc grooves, and the radial beams are respectively provided with a sensing element used for measuring the force and the torque of the elastic body.

The invention discloses an MQTT protocol communication method and system for realizing multiplexing. The method comprises: establishing a plurality of TCP channels; acquiring a mapping table of a login client and a TCP channel when an MQTT client logs in a proxy server; searching for the TCP channel corresponding to the MQTT client in the mapping table through an MQTT client ID when receiving andsending messages; then acquiring all message content of the TCP channel; and finally realizing multiplexing of the TCP channel. According to the invention, the problem that a star network topologicalstructure of Lora and Zigbee communication accesses an Internet of Things protocol is solved, so that the MQTT proxy server is compatible with a conventional MQTT protocol at the same time, and equipment supporting a standard MQTT protocol can also be normally accessed.

The invention relates to the technical field of wireless communication, in particular to a user adaptive access method and device for realizing large-scale URLLC, and the method comprises the steps: carrying out user grouping of a plurality of users with URLLC demands in a power domain according to the distance from an access point, and obtaining a plurality of NOMA groups; performing channel estimation by using a least square channel estimation method, and obtaining a detection signal of each user of each NOMA group; and calculating a corresponding posterior signal-to-noise ratio based on the detection signal of each user, calculating an error probability corresponding to the user according to the posterior signal-to-noise ratio, and continuing allocation according to the number of dynamically allocated available channels of the current group under the condition that the error probability is smaller than a preset threshold so as to realize user adaptive access of the URLLC. Therefore, multiplexing of a large number of users can be realized, interference among the users is reduced, and high-quality communication of the large number of users is ensured.

The invention discloses a data packet dividing and fusing method and system based on multi-channel converged communication, and the method comprises the steps: building a packet dividing mechanism according to the ratio of bandwidths of a plurality of channels for converged communication; according to the bandwidth of the current communication channel and the sub-packaging mechanism, sub-packagingthe sent data; and carrying out packet fusion operation on the sub-packet data according to the identification codes of the sequential codes in the sending messages obtained through the sub-packets.The system comprises a source end and a destination end, and the source end comprises a link monitoring device, a fusion subpackaging device, a multiplexing device and a fusion confirmation device; The destination end comprises a channel fusion response device. According to the invention, message conversion among multiple channels can be flexibly carried out; A multi-channel transmission mechanismis optimized in real time, the real-time performance of data transmission in a multi-channel network is improved, and the reliability of data transmission is improved.

A lateral flow device for use in a mainframe or point-of-care clinical analyzer, in which the lateral flow device includes a planar support having at least one sample addition area and at least one reaction area disposed thereon. The sample addition area and reaction area are fluidly interconnected to one another and form at least one lateral fluid flow path. The lateral flow device is sized for retention within a storage cartridge of the analyzer defined by a hollow interior and having a plurality of lateral flow assay devices retained in stacked relation therein.

The invention relates to a low-delay reliable transmission method of multi-market market quotation data in a wide area network, which is characterized in that an LDDS protocol is arranged on the upperlayer of a UDP / TCP protocol, comprises product categories and is used for distinguishing different market quotation data; the message sequence number is used for the receiving service to judge whether packet loss or disorder occurs; the message type is used for standardizing whether the current message data belongs to retransmission or real-time market data; the publishing service directly performs UDP multicast to the retransmission service and each receiving service; the retransmission service is arranged at the downstream of the release service, the real-time market is cached quickly, andthe retransmission service and the release service are deployed in the same local area network; TCP long connection is established between the receiving service and the retransmission service, when packet loss occurs in the multicast quotation, accurate supplement is achieved through the retransmission service, multiplexing of multi-market quotation data in the transmission process is achieved bydesigning an LDDS protocol layer and increasing product category definition, and for the situation that the quotation data has wave crests and wave troughs and the convergence of multicast packet loss, an intelligent compensation mechanism is added, so that the processing performance is further improved, and the transmission delay is reduced.

The invention discloses a temperature regulating device used for a handle and a regulating method thereof. The temperature regulating device comprises a temperature sensor array and a controller, wherein the temperature sensor array is arranged on a hollow handle; the interior of the hollow handle is provided with a heating plate and a refrigerant plate; a protective cover is arranged at one end of the hollow handle; the protective cover is internally provided with a fan; and the heating plate, the refrigerant plate, the temperature sensor array and the fan are connected with the controller through a control circuit respectively. The temperature regulating device solves the defects that the temperature of a palm is seriously influenced by the environment when the handle is grasped by a user in the prior art and cannot be maintained in a comfortable range and the hand comfort of the user is influenced.

The invention discloses a message push multiplexing method and device, and electronic equipment. The method includes: starting the message push service of an application, sending a broadcast message to other applications; judging whether a message from other applications is received within a preset time The response message fed back by the message push service; if no response message is received within the preset time, use the activated message push service to receive the push message sent by the server to one or more applications; if a response is received within the preset time message, determine the message push service that should be reserved according to the response message, and use the reserved message push service to receive the push message sent by the server to one or more applications. The present invention can complete the push messages sent to one or more applications by using only one message push service, which saves the power consumed by the terminal equipment to start the message push services of multiple applications.

The invention is applicable to electronic technical field, and provides an syndrome calculating device, which is applied to broadcast channel (BCH) decoder, and the syndrome calculating device comprises a minimal polynomial complementation unit, multiple circuits of control unit sand an syndrome operational unit, wherein the minimal polynomial complementation unit comprises a p circuits (p is a positive integer) of complementation subunit, each circuit of complementation subunit is used for calculating a minimal polynomial residue of an output code word according to the inputted code word; the multiple circuits of control units are used for temporally storing intermediate data produced by the minimal polynomial complementation unit and submits the minimal polynomial residue to the syndrome operational unit to be processed; and the syndrome operational unit is used for calculating and acquiring a syndrome. The invention also provides a decoder comprising the device. According to the syndrome calculating device, the time delay is short, multi-circuit multiplexing of a circuit can be realized, and the area can be integrally saved.

The invention belongs to the technical field of wireless communication, and particularly relates to a wireless transmission method for realizing uplink large-scale URLLC, which comprises the following steps of: grouping users in a unified cell in pairs according to large-scale fading coefficients of the users and a small-scale fading environment; a base station receiving end adopts a least square channel estimation method to estimate channel state information, and obtains a pilot frequency receiving signal of the base station receiving end; according to a pilot signal received by a receiving end, based on zero-forcing detection and a finite block length theory, calculating possible deviation of a strong user, deleting obtained strong user information from total superposed information, similarly calculating possible deviation of a weak user, and sending the possible deviation of the two users and current transmitting power to a sending end; the sending end adjusts the sending power of the weak users based on a golden section search algorithm until the possible deviation of each group of users is smaller than a set threshold value; according to the invention, multiplexing of massive users is realized, the design feasible region of URLLC is expanded, and large-scale URLLC can be realized.

The invention relates to the field of DSRC radio frequency communication, and in particular to a control circuit for improving DSRC radio frequency communication efficiency and a control method thereof. The control circuit comprises an LC oscillation module which is used for generating a high-frequency sine wave signal by a DSRC circuit, and the continuously consumed oscillation signal is fed backand amplified by various signal feedback methods, so that a signal with relatively stable amplitude and frequency is finally output; a shaping and amplifying module which is used for shaping and amplifying the DSRC radio frequency communication signal so as to convert the DSRC radio frequency communication signal into a same-frequency square wave signal, so that the output signal is more stable;a signal input module which is used for inputting DSRC radio frequency communication; and a radio frequency modulation module which is used for transmitting the frequency spectrum of the baseband signal to a higher carrier frequency, and meanwhile, a plurality of baseband signals can be transmitted to a plurality of different carrier frequencies, so that multiplexing is realized, and the transmission efficiency is improved; the radio frequency monitoring module is used for observing the output radio frequency signal, so that the frequency stability of the DSRC radio frequency communication signal can be ensured; according to the control circuit, the radio frequency signal frequency is better stabilized.

The invention relates to a preparation device and working method of a hybrid multiplexing single photon source. In the device, a pump laser pumps a periodically polarized lithium niobate thin film to probabilistically generate photon pairs with non-degenerate wavelengths. ; The signal light is input to the hybrid multiplexing module; the idle light is input to the cascade trigger unit, and when the cascade trigger unit outputs only one detection signal to the signal processing unit, the signal processing unit triggers the hybrid multiplexer The module is used to spatially modulate the signal light to ensure that a deterministic single photon is generated in the N wave packet sequences of the output signal light. The cascaded trigger unit effectively suppresses the noise caused by the multi-pair effect of photons, so that the trigger result of the idle light can effectively declare whether the signal light is a single photon, and cooperate with the hybrid multiplexing module to realize the deterministic generation of a single photon , so as to realize a single-photon source with high extraction rate and high identity.

A method and system for data packetization and packet fusion based on multi-channel fusion communication, wherein the method includes: constructing a packetization mechanism according to the ratio of the bandwidth of multiple channels used for fusion communication; according to the bandwidth of the current communication channel and The sub-packaging mechanism sub-packages the sent data; performs a fusion operation on the sub-packaged data according to the sequence-encoded identification code in the sent message obtained through the sub-packaging. The system includes: a source end and a destination end, wherein the source end includes: a link monitoring device, a fusion packetizing device, a multiplexing device, and a fusion confirmation device; the destination end includes: a channel fusion response device. The invention can flexibly convert messages between multiple channels; optimize the multi-channel transmission mechanism in real time, improve the real-time performance of data transmission in the multi-channel network, and improve the reliability of data transmission.

The invention discloses a handle temperature adjustment device and its adjustment method, comprising a temperature sensor array and a controller, the temperature sensor array is arranged on a hollow handle, a heating sheet and a cooling sheet are arranged inside the hollow handle, A protective cover is arranged at one end of the handle, and a fan is arranged in the protective cover, and the heating sheet, the cooling sheet, the temperature sensor array and the fan are respectively connected to the controller through a control circuit. The invention solves the defect in the prior art that the temperature at the palm of the user is greatly affected by the environment when the user grasps the handle, and cannot be kept within a comfortable range, which affects the comfort of the user's hand.

The invention discloses a signal negotiation method and a signal negotiation device for realizing RTP data stream multiplexing. The method comprises: an initiator enables the RTP data stream multiplexing function of the initiator, and synchronizes RTP multiplexing configuration information to an initiator network interface unit; the initiator network interface unit initiates an RTCP negotiation request to each target receiver according to the RTP multiplexing configuration information; after receiving the RTCP negotiation request, a receiver network interface unit returns an RTCP negotiation response message in the condition that the negotiation is judged to be successful according to receiver RTP multiplexing configuration information, and is ready to perform multiplexing and demultiplexing on an RTP stream connected with the receiver; and the initiator network interface unit receives the RTC negotiation response message, has successful negotiation with the target receiver, and performs the multiplexing and demultiplexing on an RTP data stream connected with the initiator. The method and the device can effectively improve network bandwidth utilization rate.

The invention discloses a method for designing a communication protocol between a client and a server. The method comprises the following steps: dividing a Reactor model into a master Reactor model and a slave Reactor model; designing two heartbeat mechanisms, and setting formats of data packets corresponding to the request message and the return message as a packet header, a module number, a command number, a length and data; using a Protol Buffers data serialization mechanism so as to serialize client information defined by a proto file and information to be transmitted; defining various action instructions of the functional module when the client communicates with the server in an annotation manner; finding an operator of the corresponding service according to the instruction identifierof the service module, managing an operator of each service via the scanner; defining the codes of the service type and the codes of the service errors, maintaining the codes of the service type andthe codes of the service errors in a dynamically configurable mode, and forming a communication protocol between the client and the server. Communication efficiency is improved, packet sticking risk is prevented, space is saved, flexibility is high, and labor cost is reduced.

The present application relates to the field of wireless communication technology, and in particular to a method and device for implementing large-scale URLLC user adaptive access, wherein the method includes: performing a power domain operation on multiple users with URLLC requirements according to the distance from the access point Users are grouped to obtain multiple NOMA groups; channel estimation is performed using the least squares channel estimation method, and the detection signal of each user in each NOMA group is obtained; based on the detection signal of each user, the corresponding posterior signal-to-noise ratio is calculated , and calculate the error probability corresponding to the user according to the posterior signal-to-noise ratio, and when the error probability is less than the preset threshold, continue to allocate according to the current number of channels available for dynamic allocation in each group, so as to realize URLLC user adaptive access. In this way, multiplexing of a large number of users can be realized, and interference among users can be reduced at the same time, thereby ensuring high-quality communication of a large number of users.

The invention provides a method and system for collection, processing and storage of high-concurrency mass data and relates to the technical field of energy conservation.The method comprises the steps that a conversation request sent by a client is received; the conversation request is processed through a selector distribution thread registered in a link channel to establish a conversation with the client, whether the conversation is legal or not is judged, and if yes, load data monitored by the client is received; the load data is cached into multiple data blocks through a selector distribution thread registered in a data processing channel, and the load data in the data blocks is sent to a data storage channel and synchronized to other node databases; the load data sent by the data blocks is received through a selector distribution thread registered in the data storage channel, and the load data is written into a main database.Through the method and system, collection, processing and storage of the high-concurrency data at multiple nodes can be realized, and high performance and stability of the databases are guaranteed.

The invention discloses a lateral flow device used in a mainframe or a point-of-care clinical analyzer, wherein the lateral flow device includes a planar support, the planar support has at least one sample addition area and is arranged on it at least one reaction zone. The sample addition area and the reaction area are fluidly interconnected with each other and form at least one lateral fluid flow path. The lateral flow device is sized to be retained within a storage compartment of the analyzer defined by the hollow interior space and has a plurality of lateral flow assay devices held therein in a stacked relationship.