34results about How to "Guaranteed data transfer rate" patented technology

The embodiment of the invention provides a method, a terminal and a system for accessing the network. In the method, a relay channel is established between a served terminal in which the information channel quality is lower than a first set value and a relay terminal in which the information channel quality is higher than a second set value, and the relay terminal with the higher information channel quality is used for connecting the served terminal with the lower channel information quality with the Internet. Compared with the scheme that the served terminal in which the channel quality is lower than the first set value is directly connected with the network side in the prior art, the data transmission rate between the served terminal and the relay terminal can be guaranteed by the relay channel, and because the information channel quality of the relay terminal is better, the data transmission rate between the relay terminal and the network side is guaranteed, so that data can be transmitted at a high data transmission rate between the served terminal and the network side, and the business with high requirement on the data transmission rate can be successfully carried out.

The embodiment of the invention provides a target cell determining method and device, and relates to the technical field of communications. In the switchover process of a main service cell or a relocation process of an auxiliary service cell of a carrier aggregation system, target cells to which UE is to have access are determined on the basis of cell carrier aggregation priorities determined according to transmission performance parameters of the cells, and therefore the success rate that the UE has access to the target cells can be improved, and the data transmission rate of the UE is ensured. The method includes the steps of determining at least one candidate cell according to a measurement report reported by the UE, obtaining the transmission performance parameters of the candidate cells, determining the carrier aggregation priorities of the candidate cells according to the transmission performance parameters of the candidate cells, and determining a target cell to which the UE is to have access from the candidate cells according to the carrier aggregation priorities of the candidate cells.

The invention provides a sharing method and a terminal device thereof. The method comprises the following steps: sending a share request signal to a receiving terminal through a data line; receiving a return signal sent from the receiving terminal; judging whether the receiving terminal receives the share request according to the return signal; and, if the judgment result is positive, the establishment of the share connection with the receiving terminal through the data line is confirmed. Through the embodiment of the invention, audio frequency and video frequency can be shared among terminal devices in a wired manner without network resources; in addition, the rate of data transmission with wired connection is guaranteed, the phenomenon of unstable rate caused by the weak network signal in wireless connection can not occur, and the cost can also be saved.

The invention provides a content distribution network and a data downloading method. The content distribution network includes a core storage node and more than two edge buffering nodes in network connection, wherein edge buffering nodes in one region form an edge node unit. In an edge buffering node side, the method includes judging whether other edge buffering nodes in a current edge buffering node unit stores to-be-downloaded medium data or not; if the current edge buffering node unit stores to-be-downloaded medium data, selecting the current edge buffering node to store all the medium data and using an edge buffering node with the largest network bandwidth as a responding node, downloading the medium data from the responding node and saving the medium data in local; if current edge buffering node unit does not store the to-be-downloaded medium data, loop-source downloading from an upper-layer node and saving the medium data in local. By adopting the above method, a character that the edge buffering nodes of the same unit are generally in the same region is utilized fully, so that network cost can be saved and data transmission rate can also be ensured. The working efficiency can be improved effectively.

The invention discloses a data connection establishing / releasing method, a data transmission method and a wireless data card. The data connection establishing method comprises that: when receiving a request initiated by TE for establishing the data connection between the wireless data card and GGSN, the wireless data card judges whether the data connection to be established by the request is the first data connection between the TE and the wireless data card; if the data connection to be established by the request is the first data connection between the TE and the wireless data card, the wireless data card establishes a wireless access bearer of a PDP context corresponding to the first data connection between the wireless data card and GGSN and establishes virtual Ethernet connection between the wireless data card and the TE; if the data connection to be established by the request is not the first data connection between the TE and the wireless data card, the wireless data card establishes a wireless access bearer of the PDP context corresponding to the Nth data connection between the wireless data card and GGSN. The data connection establishing / releasing method, the data transmission method and the wireless data card realize the data connection support established by the TE through the wireless data card and activate a plurality of PDP contexts simultaneously. In addition, because the advantages of an RmNet data transmission mode are maintained, the data transmission rate of an Rm port can be guaranteed.

The invention provides a four-wheel driving AGV (Automatic Guided Vehicle) tracking method based on an Ackermann steering principle, can effectively improve the operation stability and the operation speed of the AGV, reduce a turning radius and improve loading capacity. By use of the method, the bottom surface of the AGV is provided with double cameras to realize the high angle shot of a color zone in an AGV advancing direction, and the image of the color zone is obtained. After the image is processed, the current position and pose of the AGV is obtained, driving steering wheels meet an Ackermann principle operator, so that the synchronization problem and the overloading problem of four-wheel driving can be solved, meanwhile, the trajectory radius of a circular arc under circular arc seeking application is reduced, dependency on place openness is reduced, and therefore, the reliable and stable color zone trajectory seeking movement of the AGV is realized. The method can be applied to the field of automation equipment.

The invention discloses a data transmission method and data transmission equipment, which are used for solving the technical problem of abnormal data transmission links between an evolved Node B (eNB) and a terminal because the number of times of performing retransmission by the eNB reaches the maximum number of times of retransmission equipped for the eNB in the prior art. The data transmission method comprises the steps that: a data receiving end records a number of times of transmitting a first state report to a data transmitting end, wherein the first state report is used for indicating that the data transmitting end needs to retransmit a first RLC data packet; the data receiving end judges whether the number of times is greater than a first preset threshold value; and the data receiving end transmits a second state report to the data transmitting end if the data receiving end judges that the number of times is greater than the first preset threshold value, wherein the second state report is used for indicating that the data receiving end has received the first RLC data packet.

An embodiment of the invention discloses a method and equipment for determining a data service bearing mode. The method comprises: identifying the data transmission rates of user equipment (UE); and comparing the data transmission rates of the user equipment (UE) with the predetermined speed rate threshold value of a bearing mode that the UE supports when the UE supports two or more bearing modes, and determining the bearing mode that the UE adopts according to the comparison results. According to the invention, the data transmission rates of the UE can be guaranteed, and meanwhile, bearing efficiency of radio resource is improved.

The invention discloses a healthy public opinion monitoring method and system, and relates to the technical field of the information. The healthy public opinion monitoring method and system propose apublic opinion monitoring method oriented to the medical and health industry for the characteristics of the medical and health industry. The method comprises the following steps: counting the sentiment polarity and enthusiasm of the comment, computing the early-warning level of the public opinion; adopting different processing ways for different levels, monitoring the public opinion on the medicaland health industry in a targeted way, thereby improving the public opinion analysis efficiency of the medical and health industry. The public opinion monitoring is performed on the medical and health industry in the targeted way through the healthy public opinion monitoring method and system disclosed by the invention; the public opinion analysis efficiency of the medical and health field is improved; and the public opinion analysis diversity in the medical and health field is increased.

The invention provides a WebRTC data coding method, device, and computer readable storage medium, wherein the method includes the following steps: setting a hard coding module corresponding to a videoprocessing unit vpu, and initializing the hard coding module and a soft coding module in a WebRTC frame, wherein the hard coding module and the soft coding module use one frame input interface; obtaining a WebRTC image to be coded and conducting sequence classification, obtaining all sequence images and immediately refreshing image IDR frames corresponding to each sequence image; respectively sending the IDR frames to the hard coding module and the soft coding module to achieve coding of the hard coding module and the soft coding module; obtaining data streams input by the hard coding moduleand the soft coding module, and encapsulating and packaging the data streams. The WebRTC data coding method, device, and computer readable storage medium utilize combination of the soft and hard coding modules to code so that occupancy rate and processing pressure of dealer CPU are reduced, and efficiency of data coding is increased.

The embodiment of the invention discloses a wireless communication component, a wireless communication method and terminal equipment, relates to the technical field of communication, and can reasonably ensure the data transmission rate and the data transmission distance of signals. Comprising an antenna, a processing unit connected with the antenna, a switch unit connected with the processing unit, and a first receiving path, a first sending path, a second receiving path and a second sending path which are connected with the switch unit, the processing unit is used for determining a target intensity range where the signal intensity of a target receiving signal received by the antenna is located, and controlling the switch unit to conduct the antenna and a target path according to the target intensity range, and the target path is one of a first receiving path, a first sending path, a second receiving path and a second sending path; wherein the working frequency bands of the first receiving path and the first sending path are first frequency bands, the working frequency bands of the second receiving path and the second sending path are second frequency bands, and the minimum frequency value of the first frequency band is greater than the maximum frequency value of the second frequency band.

The invention discloses a signal receiving anti-interference method. The method comprises the following steps: receiving a wireless signal; in response to the fact that the energy of the wireless signal exceeds a preset receiving threshold level value, demodulating the wireless signal; updating the number of error packets and the total number of received packets of the wireless signal according toa demodulation result; obtaining the number of error packets and the total number of received packets obtained by updating after a preset time interval, and calculating an error rate according to thenumber of error packets and the total number of received packets; and adjusting the receiving threshold level value according to the bit error rate. The invention further discloses a signal receivinganti-interference device, wireless communication equipment and a storage medium, multiple embodiments are adopted, and the problem that in the prior art, due to the fact that interference signals arereceived, the wireless communication equipment cannot receive useful signals, and the data transmission rate of the wireless communication equipment is reduced is solved.

The invention discloses a smart card drive system that comprises smart card chip which possesses input / output pin which can receive and send data, reset pin, clock pin, embedded system chip that includes general purpose output, clock output, serial port input pin, serial port output pin, thereinto, the general purpose output is connected with the reset pin of the smart card chip to control the level of the reset pin; the clock output is connected with the clock pin to output system clock to the smart card chip in operating mode; the serial port input pin, serial port output pin are connected with the input / output pin of the smart card chip to realize the communication between the serial port and smart card controlled by embedded system. The invention guarantees the data signaling rate and debugging performance, but also avoids using single-purpose chip to manage smart card, so it can decrease cost in large scale application and increase the competitive power.

The invention discloses a vehicular data transmission technology based on a 5T system monitoring system. The technology comprises a 5T vehicle-mounted server and a 5T double-machine server, wherein the 5T vehicle-mounted server is installed on a train, the 5T vehicle-mounted server comprises a core controller, the data acquisition end of the core controller is connected with a 5T unit, and the 5T unit comprises an infrared journal temperature detection system, an operation state safety monitoring system, an early-stage fault rail side acoustic diagnosis system, an operation fault dynamic image detection system and an operation safety monitoring system; the communication port of the core controller is also connected with a positioning module and a wireless communication module, the wireless communication module carries out data communication transmission with the 5T double-machine server, and the power supply end of the core controller is also connected with a power supply system; and the 5T double-machine server is internally provided with a 5T double-machine database. The technology can realize driving state detection and monitoring in an omni directional mode and guarantees the data transmission rate.

The embodiment of the invention provides a communication control method and an apparatus for multiplexing communication system resources. The method comprises that different pre-decoding sequences corresponding to a first communication link and a second communication link are determined; when every pre-decoding sequence is an optimal decoding sequence, a corresponding parameter value range comprising a first signal-to-noise ratio parameter and a second signal-to-noise ratio parameter is calculated; the optimal decoding sequence is the pre-decoding sequence having largest data transmission and speed of the communication link in the different pre-decoding sequences; the different parameter value ranges are searched and object pre-decoding sequences corresponding to a first object signal-to-noise ratio parameter and a second object signal-to-noise ratio parameter are determined. According to the embodiment of the invention, interference effects are reduced, the data transmission speed is guaranteed and communication quality is raised.

The invention relates to a method for transmitting data in a network system and a device data transmission system. In one embodiment, the above method includes: receiving the data packet sent from the sending end to the receiving end; storing the data packet in the cache of the acceleration node; if the data packet is successfully stored in the cache of the acceleration node, then sending response information to the sending end according to the content of the data packet and a predetermined protocol; and forwarding the data included in the data packet to the receiving end. According to the above method, device and system, due to the use of the high-speed network connection of the acceleration node, the network data transmission rate between users all over the world and the central node is effectively guaranteed.

The invention belongs to the technical field of remote monitoring, and discloses a remote intelligent line inspection method for power transmission lines. First, an image acquisition device is started to obtain monitoring pictures of the power transmission line and monitoring pictures of the surrounding environment of the power transmission line; and then the monitoring pictures are passed through the communication system. It is transmitted to the monitoring background; the monitoring background receives and analyzes the monitoring pictures, and judges whether the acquired monitoring pictures have defects, that is, judges whether the transmission lines displayed in the monitoring pictures are faulty, and sends an alarm message if there are defects in the monitoring pictures. The remote intelligent line inspection method for transmission lines of the present invention can carry out real-time online inspection of transmission lines, and the inspection cycle is short, which avoids the problems of manual line inspection such as difficulty and long cycle, and also avoids the problem of high cost of helicopter line inspection, and also solves the problem It solves the temporary and random problems existing in the existing transmission line monitoring methods.

The present application relates to an LTE‑CPE device and an antenna adjustment method. Wherein, the LTE‑CPE device includes: a processor, a communication module for obtaining air interface parameters, a directional antenna for connecting to network devices, and an antenna controller for adjusting the antenna angle of the directional antenna. The processor is respectively connected to the communication module and the antenna controller; the directional antenna is respectively connected to the communication module and the antenna controller. The processor sends an antenna direction adjustment instruction to the antenna controller based on the preset relationship table; the preset relationship table is obtained according to the antenna angle and air interface parameters; the antenna controller adjusts the antenna angle of the directional antenna according to the antenna adjustment instruction. Automatically adjust the angle of the directional antenna based on the preset relationship table, access the LTE network and obtain better quality LTE signals, which can ensure the data transmission rate of the device, reduce the difficulty of engineering installation, reduce the time and effort required for device installation, and improve LTE The access rate of the network improves user experience.

An embodiment of the invention discloses a method and equipment for determining a data service bearing mode. The method comprises: identifying the data transmission rates of user equipment (UE); and comparing the data transmission rates of the user equipment (UE) with the predetermined speed rate threshold value of a bearing mode that the UE supports when the UE supports two or more bearing modes, and determining the bearing mode that the UE adopts according to the comparison results. According to the invention, the data transmission rates of the UE can be guaranteed, and meanwhile, bearing efficiency of radio resource is improved.

The invention belongs to the technical field of electronic measurement, and especially relates to a device for a backboard based on a CPCI (Computer Program Configuration Item) bus system. The device for the backboard based on the CPCI bus system comprises a main control computer, a sampling and imaging module, a data exchange module and a power module, wherein the main control computer is respectively electrically connected with the sampling and imaging module, the data exchange module and the power module; the main control computer, the sampling and imaging module, the data exchange module and the power module are made into plug-in cards which satisfy a CPCI specification; and all plug-in cards are communicated by adopting an exchange type high speed serial bus and a real-time parallel bus. The device for the backboard based on the CPCI bus system provided by the invention guarantees the data transfer rate, and a timing system adopting a phase-compensated cable and a high performance microwave module design can guarantee a timing precision less than 10 ps between all plug-in cards.

Disclosed is an encryption method for communication between a financial POS and a mobile terminal. The encryption method for communication comprises the steps: the financial POS and the mobile terminal generate a common temporary key Kmaster, the mobile terminal sends a Bluetooth address BD_ADDR to the financial POS, and the mobile terminal and the financial POS separately add the temporary key Kmaster and the Bluetooth address BD_ADDR of the mobile terminal into a key generation formula to generate an encryption key Kcipher; and the financial POS or the mobile terminal performs an exclusive OR operation on a plaintext data stream to be sent and the encryption key to generate an encrypted transmission ciphertext. The encryption method of the present invention enables data to be transmitted securely, provides a simple algorithm and occupies fewer software and hardware resources, thereby effectively ensuring a communication rate between the financial POS and the mobile terminal.

The present invention provides an LTE-based multicarrier modulation system, which adopts two-stage multicarrier modulation and demodulation. The LTE-based multicarrier modulation system has the beneficial technical effects that the frequency spectrum efficiency and the data transmissibility of an LTE system are guaranteed, the secrecy performance is greatly enhanced, and hardware costs and realization difficulties are reduced.

The invention discloses a novel data cable connector, which includes a metal terminal, a first metal part, a second metal part and a rubber core, the metal terminal is set on the groove plate of the rubber core by injection molding, and the first A metal piece cooperates with the second metal piece to form an ear buckle, and the ear buckle is fixed on both sides of the shell of the rubber core by injection molding, and a rear cover is hinged on the shell of the rubber core. When in use, the data cable is placed in the housing of the rubber core, the data cable connection port is connected to the terminals arranged in parallel for data transmission, and the cover of the back cover presses the data cable, which improves the connection of the data cable connector. Reliability, guaranteed data transfer rate. Compared with the traditional assembled connector, the data cable connector has a new installation structure, that is, the terminal and the rubber core are integrally formed by injection molding, and the overall structure has high stability, avoiding false connection between the terminal and the data cable, and reducing the assembly process. , Improve connector production efficiency.

The invention relates to a terminal connection method and system based on 5G communication and a medium. The method comprises the following steps: for each mobile terminal, determining a transmissionnode for transmitting data to the mobile terminal as a target node according to a transmission distance and a data transmission rate between each transmission node and the mobile terminal; and the mobile terminal is connected with the target node. According to the embodiment of the invention, the target node for transmitting data to the mobile terminal is determined according to the transmission distance between the transmission node and the mobile terminal and the data transmission rate; the mobile terminal is connected with the target node; the steps in the scheme are carried out on each mobile terminal; according to the method, the data transmission network in which the mobile terminals and the base stations are connected with each other is constructed, and the data transmission rate ofeach mobile terminal and the data transmission rate of each transmission node are screened, so that the data transmission rate of the transmission node connected with each mobile terminal can be ensured, and hardware cost increase caused by invalid connection can be avoided.