47results about How to "Support transmission" patented technology

The invention relates to the communication field and discloses a PUCCH (physical uplink control channel) resource determination method and apparatus. The method comprises the following steps: based on PUCCH resource initial positions notified at a network side and sizes of dynamic PUCCH resource areas, UE determines, through frequency hopping patterns agreed at the network side, distributed PUCCH resources within the dynamic PUCCH resource areas via a frequency hopping mode. Therefore, the sizes of dynamic PUCCH resource areas are effectively reduced, resource spending is reduced, and probabilities of conflicts among PUCCH resources of different kinds of UE are minimized. Meanwhile, the utilization rate of PUCCH resources is effectively increased, orthogonal PUCCH transmission among districts is supported, and then the PUCCH transmission performance is substantially improved.

The invention discloses a method for distributing dynamic frame structures of a TDD system. The method comprises the following steps: an evolution base station (eNB) sends an RRC (Radio Resource Control) command of entering into a dynamic configuration frame structure state to UE (User Equipment), and sends the frame structure configuration information in PDCCH (Physical Downlink Control Channel); and after receiving the command, the UE detects the frame structure configuration information in PDCCH, and configures a frame structure adopted in the next configuration period according to the detected configuration information. Meanwhile, the invention further discloses a system distributing the dynamic frame structures of the TDD system as well as the eNB. Due to the adoption of the scheme, the variation period of the frame structures of the TDD system can be shortened, and the unsymmetrical transmission is supported better.

This invention discloses one multi-media appendix send method and system, which comprises the following steps: a, send part receives multi-media mail orders and sends appendix mail label and network address to receive part and storing on self position; b, receive part establishes connection according to mail network address and send one and sends appendix send requires with multi-media appendix; c, send part finds self stored appendix and sends it to receive part for an end.

The invention provides a swivel joint, which comprises an input assembly, an output component which can rotate with respect to the input assembly, a spindle and a sealing element. The input assembly comprises input components which are provided with a socket hole, and an output hole is arranged on the output component. The number of the input components is at least two. The input components are rotatably sleeved on the rotating shaft, and at least two input components are axially arranged in parallel along the spindle. Inner walls of the at least two input components, an outer wall of the spindle and the sealing element together form a ring channel communicated with the socket hole. A feed hole for communicating the channel with the output hole of the output component is arranged in the spindle. The number of the feed hole and the output hole is corresponding to the number of the input components. Each feed hole has an opening on the spindle hole. Each opening is communicated with a corresponding input component channel. Openings of the plurality of feed holes are axially distributed at interval along the spindle. The invention further provides a rotating table using the swivel joint.

The invention discloses a method for encoding and modulating a logical frame signaling channel in an NGB-W system. The method comprises the following steps of: adding CRC (cyclic redundancy code) bits to logical frame signaling and dividing the logical frame signaling into blocks; scrambling the logical frame signaling block; mapping the scrambled logical frame signaling block into BCH (Broadcast Channel) code information bits; performing forward error correction coding to the BCH code information bits; generating the coding block of the logical frame signaling block; generating logical frame signaling coding bit sequences; generating bit interleaving blocks; performing constellation mapping to the bit interleaving blocks to generate BICM (Bit Interleaved Coded Modulation) blocks. According to the method, the logical frame signaling with any length can be transmitted, so that the different-length logical frame signaling is basically uniform in transmission reliability; four levels of transmission reliability and transmission efficiency are selected under each modulating method.

The invention relates to a method for data exchange among multiple systems based on rule configuration. The convenient method for data exchange among multiple systems based on rule configuration is realized through a rule model which is established according to the daily data exchange requirements and the daily data logic conversion processing demands of all systems and satisfies the requirement on data exchange among all systems. The method can satisfy the requirement on service application of data exchange among different service systems and can realize corresponding data exchange processing through set exchange rules.

The invention relates to a communication circuit and method of an electronic detonator. The communication circuit comprises a communication interface, a filtering circuit, a first switch circuit, a second switch circuit, a single-chip microcomputer, a rectifying circuit and a voltage stabilizing circuit; an exploder modulates carrier waves through a modulation signal; a carrier wave signal is generated and sent to the communication circuit of the electronic detonator through a bus; the communication circuit demodulates the carrier wave signal and performs treatment; then a signal is sent to the exploder; and the communication process is completed. According to the communication circuit and method of the electronic detonator, communication is performed by means of a power line network, rewiring is not needed, the beneficial effects that the occupied space is small and the constructing and running cost is low are achieved, and transmission of a high-frequency signal and a lower-frequency signal is supported at the same time.

Provided is a method of supporting single cell point-to-multi-point (SC-PTM) for a bandwidth reduced low complexity / coverage enhancement (BL / CE) terminal or an NB-IoT terminal, which is for a machinetype communication (MTC) application defined in a 3GPP LTE / LTE-A system. In particular, the embodiments of the present invention provide a method configured with a search space to monitor the DCI usedfor sending the SC-MCCH transmission resource distribution information and the change information.

Provided is a method of supporting single cell point-to-multi-point (SC-PTM) for a bandwidth reduced low complexity / coverage enhancement (BL / CE) terminal or an NB-IoT terminal, which are for a machinetype communication (MTC) application defined in a 3GPP LTE / LTE-A system. In particular, the present invention discloses a method used for sending the resources of the PDSCH used as the SC-MTCH of theMULTICASTING data information aiming at the single cell group terminal distribution.

The present invention provides a method and a device for controlling a time-division duplex repeater, and the time-division duplex repeater. The method comprises the steps of determining frequency bands synchronized with a base station, and uplink time slots and downlink time slots corresponding to the frequency bands; selecting one frequency band best in signal quality out of all frequency bands synchronized with the base station; receiving the signals of corresponding time slots during the uplink and downlink time slots; processing the signals within a channel corresponding to the above selected frequency band best in signal quality; and sending out the processed signals. According to the technical scheme of the invention, signals are transmitted within the selected frequency band best in signal quality through the hand-over selection among a plurality of frequency bands. Compared with the prior art, the defect that only one frequency band among the plurality of frequency bands is available in the prior art can be overcome.

The invention discloses a communication control method for achieving the communication interconnection of equipment, and a communication protocol that is followed between the equipment employs a question-answer mechanism. After a transmitting side transmits one data packet each time, a receiving side has to transmit one answer packet, and transmits an answer result to the transmitting side; the transmitting side determines the transmission of a next transmitted packet according to the answer result. The control method implemented based on the built communication protocol can support the transmission of various types of data, and can facilitate the expanding of fields and transmission of contents. The control method achieves the compatibility between new and old equipment and also achievesthe data transmission between different equipment.

The invention relates to the technical field of data exchange, in particular to a device for data exchange among multiple systems on the basis of rule customization. The device for data exchange among the systems on the basis of rule customization comprises an application server and a network support platform. The application server and the network support platform are connected with a system and application software service platform through a network. The system and application software service platform is connected with a data exchange center through the network, and the data exchange center is provided with an external data interface and connected with an enterprise application integrated platform through the network. A plurality of adapters are arranged in the data exchange center, each adapter is connected with a corresponding database through data exchange application service to meet the requirement for data exchange and processing among the systems. A rule engine used for analysis and processing according to an exchange rule is provided, and a method and system used for corresponding data conversion, processing, synchronization and interaction according to the set exchange rule are obtained.

Provided are a method of supporting Single Cell Point-to-Multi-point (SC-PTM) for a Bandwidth reduced Low complexity / Coverage Enhancement (BL / CE) terminal or an NB-IoT terminal, which are for a Machine Type Communication (MTC) application defined in a 3GPP LTE / LTE-A system. The method may include receiving configuration information relating to an NPDCCH search space from a base station wherein theNPDCCH search space is separately configured to receive scheduling control information for the multicasting control channel; receiving the scheduling control information for the multicasting controlchannel through the NPDCCH search space configured based on the configuration information; and receiving the multicasting control channel based on the scheduling control information, wherein the configuration information is received through higher layer signaling.

Provided is a method of supporting single cell point-to-multi-point (SC-PTM) for a bandwidth reduced low complexity / coverage enhancement (BL / CE) terminal or an NB-IoT terminal, which is used for a machine type communication (MTC) application defined in a 3GPP LTE / LTE-A system. In particular, the present invention discloses a method aiming at the single cell group terminal distribution and used forsending the resources of a PDSCH used as the SC-MTCH of the multicast data information.

The invention relates to a high-risk industry enterprise risk early warning and prevention and control system, and the system comprises a coal mine, a mining company, a group company, a coal mine supervision unit, a plurality of servers and clients. The business server module comprises a data acquisition server, a database server, a real-time database server, a network end application server, an APP application server, a main control node server, a front end application server, a file storage server and an ROSE application level backup server; an enterprise-level micro-service architecture with separated front and back ends is adopted, and Spring Security is deeply customized to realize stateless unified authority authentication based on RBAC, jwt and oauth2; a redis high-speed cache is integrated, a shardingsphere sub-library and sub-table component is introduced, and an elasticsearch is introduced to improve the response rate of query and statistics under big data; according to the system, a docker containerized deployment mode is adopted, k8s is used for service arrangement, and k8s is subjected to graphical management and control through kuboard. The system has the advantages that information collection, acquisition, early warning analysis and prevention and control guidance work from bottom to top can be realized.

The invention discloses a method for transmitting 3D (three-dimensional) pictures in multimedia messages. The method includes: in an SMIL (synchronized multimedia integration language) file, a sender enables two different pictures to correspond to one ID (identification), sets attributes of the two pictures as 3D display pictures and sends the two pictures to a receiver; or in the SMIL file, the sender synthesizes two different pictures into one file prior to enabling the file to correspond to one ID, marks the ID attribute as a 3D display picture and sends the file to a receiver; and the receiver displays the three-dimensional pictures or the three-dimensional picture. The invention further provides a system for transmitting the 3D pictures in the multimedia messages. According to the technical scheme, the problem that an existing protocol is incapable of supporting transmission of the 3D pictures.

The invention relates to an unmanned aerial vehicle power grid inspection method and system based on SOC and MESH networking, and the method comprises the steps: carrying out the first training of a target detection model at a server side, and obtaining a first target detection model; loading the first target detection model to an inspection unmanned aerial vehicle; performing acceleration processing on the first target detection model based on a hardware and software acceleration module to obtain an accelerated second target detection model; based on the second target detection model, detecting an image obtained in the flight of the unmanned aerial vehicle to obtain detection result data; and training the second target detection model by using the detection result data to obtain a third target detection model. Through the MESH networking technology, a low-delay and high-resolution image transmission scheme is realized, and subsequent high-definition camera transmission is supported. The performance of the airborne SOC can realize the detection speed of 2-25 frames per second on the premise of meeting the precision, and the iterative model enables the detection to be more accurate.

The invention discloses an ultrashort wave broadband transceiver. The ultrashort wave broadband transceiver comprises a receiving circuit and a transmitting circuit. The receiving circuit comprises afirst filtering assembly, a first programmable attenuator, a first amplifier, a first filter, a first mixer, a second filter, a second amplifier, a second programmable attenuator, a second filtering assembly, an auxiliary gain circuit and a third amplifier which are electrically connected in sequence; the transmitting circuit comprises a third filtering assembly, a third programmable attenuator, afourth amplifier, a fourth filter, a second mixer, a fifth filter, a fifth amplifier and a first filtering assembly which are electrically connected in sequence. The ultrashort wave broadband transceiver is good in stability, low in cost and high in anti-interference capability.

The invention discloses a communication method for improving the communication rate of a double-differential spread spectrum underwater acoustic communication system, and relates to the technical field of underwater acoustic communication. The objective of the invention is to solve the problems of low communication rate and small application range of a current communication system combining directsequence spread spectrum and double differential coding technologies. According to the method, the M-element spread spectrum is adopted to replace a direct sequence spread spectrum algorithm, and onthe premise that the bit error rate performance is not affected, compared with a direct sequence spread spectrum communication system, the communication rate can be multiplied. The M-element spread spectrum technology and the double differential coding technology are combined, the method can be applied to mobile underwater acoustic communication. The system does not contain any channel estimationor Doppler tracking technology, so that the method has robustness for unpredictable interference in a mobile underwater acoustic communication environment. The method is not only suitable for remote mobile underwater acoustic communication, but also suitable for mobile underwater acoustic communication between an underwater manned vehicle and an unmanned submersible vehicle under a close-range condition.

The embodiment of the invention provides a data transmission method, device and terminal. The data transmission method comprises that: a first terminal generates first application data of a first application, and the first application data are packaged by utilizing an expansion protocol so that the first application data after packaging are obtained; the first terminal sends the first application data after packaging to multiple target terminals; and the first terminal receives feedback information of the first target terminal corresponding to the first application data in the multiple target terminals, and a situation that the expansion protocol is supported by the first target terminal is confirmed according to the feedback information. Transmission of the application data by utilizing the expansion protocol is supported by the embodiment of the invention.

An embodiment of the present invention provides a method and device for transmitting signals. The method includes: the sending device determines the target precoding matrix V, where H represents the channel matrix between the sending device and the receiving device, and represents the channel matrix between the sending device and the receiving device. The equivalent channel matrix between devices, or a diagonal matrix, is related to the transmission distance D between the sending device and the receiving device and the dipole spacing of the antenna of the receiving device; the sending device is based on the target precoding matrix V, to send a signal to the receiving device. Since the corresponding channel satisfies or is a characteristic of a diagonal matrix, the corresponding channel can support the transmission of multiple data streams. Therefore, the method and device for transmitting signals provided by the embodiments of the present invention can support multiple data streams transmission.

The invention discloses a high-power multimode broadband microwave rotary joint, and belongs to the technical field of microwaves and millimeter waves. The rotary joint comprises a rotor circular waveguide, a stator circular waveguide and a bearing structure enabling the rotor circular waveguide and the stator circular waveguide to rotate relatively. The rotor circular waveguide and the stator circular waveguide are over-mode circular waveguides with the same aperture and superposed central axes, a certain distance exists between adjacent end faces, and a gap waveguide choking structure and a choking coil are arranged; the gap waveguide choke structure comprises an annular groove and a concentric ring array composed of metal cylinders. Through the combination of the gap waveguide structure and the choking coil, the field intensity at the joint of the rotary joint can be effectively reduced, high-efficiency transmission of microwaves can be realized within the range that the relative bandwidth exceeds 80%, and the advantages of high power capacity and low propagation loss are achieved; meanwhile, the rotary joint is compact in structure, belongs to a non-contact rotary joint, supports transmission of various circular waveguide modes in the rotary joint, and has longer service life.

The invention provides a method for designing optical fiber network structure, and a structure capable of flexible extension. The method is characterized in that a first-level network structure is taken as a center; by connecting every edge node of the center with a three-port basic network unit with internal intercommunication function, the network structure is extended outwards to realize the multiplication of the number of the network edge nodes and the interconnection-intercommunication among all the edge nodes and to form a second-level network structure; and by analogy, every edge node of a formed i-level network continues to be connected with one basic network having three ports, so that the outward radiation-extension of the network structure and the multiplication of the number of the network edge nodes are realized so as to form an i+1 level network structure till the number of the network edge nodes of a formed M-level network structure meets design requirements. The network structure is characterized in reliability, high flexibility and extensibility, and has the advantages of low complexity, low cost and realization easiness.

The invention relates to a system for supporting multithread streaming media dynamic transmission. The system comprise a multithread streaming media dynamic sending module, a multithread streaming media dynamic transmission module and a multithread streaming media dynamic receiving module, wherein the multithread streaming media dynamic sending module can be used for carrying out transmission configuration on sent media in a transmission process, selecting a media channel for sending, and sending each media channel for sending, which is preprocessed and encoded according to an encoding standard in the transmission configuration; the multithread streaming media dynamic transmission module is used for obtaining and storing the dynamically updated transmission configuration information, and storing and transmitting multithread streaming media data simultaneously in real time; and the multithread streaming media dynamic receiving module is used for obtaining a subset of the multithread streaming media data sent by a transmission configuration information obtaining and sending module, and then playing the multithread streaming media data after decoding, pre-treating and synchronizing the multithread streaming media data. Compared with the prior art, the system provided by the invention has the advantages of supporting multithread streaming media transmission, carrying out the dynamic transmission configuration in the transmission process, and the like.

This disclosure proposes a method for supporting Single Cell Point-to-Multipoint (SC-PTM) for Bandwidth Reduced Low Complexity / Coverage Enhancement (BL / CE) terminals or NB‑IoT terminals, which is used in 3GPP LTE / Machine Type Communication (MTC) applications defined in LTE‑A systems. In particular, the present disclosure provides a method for allocating resources for transmitting PDSCH of SC-MTCH as multicast data information for a single-cell group terminal.

The invention discloses a method, a device and a system for transmitting and receiving service data. A transmitting terminal encapsulates service data to be transmitted into GEM frames in a passive optical network encapsulating mode and transmit the encapsulated GEM frames to optical fibers for transmission, wherein the GEM frames comprise service type identifiers which indicate the types of service data; accordingly, a receiving terminal receives the GEM frames and decapsulates the GEM frames to obtain the service data and the service type identifiers of the service data; and the receiving terminal identifies the service types of the service data according to the service type identifiers and carries out service processing corresponding to the service types. The method for encapsulating the service data comprises the steps: allocating the service data to be transmitted into a payload field; adding an internal field carrying port identifiers on the basis of the payload field; and addingexternal GEM frame headers carrying port identifiers on the basis of the internal field, thus the port identifiers carried by the external GEM frame headers and the port identifiers carried by the internal field together identify the port information of the service data.

The invention discloses a method and equipment for supporting over-long transmission distance of a distance-enhanced Ethernet device. The method includes the following steps: electrifying an LRE (Long Reach Ethernet) device; conducting link negotiation with a link end-to-end device by using an LDS (Local Distribution Service) auto-negotiation mode; if discovering that the LDS auto-negotiation fails, conducting link negotiation with the link end-to-end device by using a preset work mode supporting over-long transmission distance; and if not, communicating with the end-to-end device by using the work mode supporting over-long transmission distance. With the invention, the LRE device can support the over-long distance transmission.