68results about How to "Avoid transmission errors" patented technology

The invention provides a media access control (MAC) method applicable to wireless sensor network, which can adjust the sending process according to the characteristic that the data traffic of the node is time-varying in the specific application of the wireless sensor network. The MAC method comprises the following steps: estimating the current data traffic intensity by measuring the time intervals of data packet arrivals, and adopting a filter to reduce the interference in the measurement; carrying out the self-adaptive control by detecting the queue length of the current data packet of the node, if the queue length of the data packet is larger than 1, batch-sending the data packets in the queue in a burst-transmission manner so as to reduce delay and energy consumption, and if not, judging by the currently measured data traffic; and if the current data traffic value is smaller than the given threshold, enabling the low-traffic self-adaptive mechanism, and if not, removing unnecessary wake-up cycles by the node. The method dispenses with the on-line adjustment of the cycle and the duty cycle of the protocol, avoids the problem of the difficult synchronization between nodes and effectively solves the major problems of the synchronization and the data traffic self-adaption in the existing wireless sensor network.

The present invention discloses a method and device for data transmission. The method comprises: a first device determines configuration of reference signals for data transmission; the first device notice the determined configuration of the reference signals to a second device, wherein the reference signals are configured as the configuration of the reference signals of a wave beam, antenna port or a sector, the wave beam is an emission wave beam and / or receiving wave beam selected by the first device for data transmission, the antenna port is an antenna port selected by the first device for data transmission, and the sector is a sector selected by the first device for data transmission. The method and device provided by the invention allow the dual-way devices of data transmission to more reasonably utilize wireless energy to transmit data so as to improve the rate of data transmission and avoid transmission faults.

The invention discloses a communication method, which comprises the following steps that: user equipment (UE) requests to acquire a timing calibration value before a time aligning timer is overtime; the timing calibration value is received and an uplink transmission time is adjusted according to the timing calibration value. In the embodiment of the invention, the UE actively requests timing calibration to prevent the time aligning timer from becoming overtime and keep the UE in an uplink synchronous state so as to solve the problem that PUCCH resource allocation cannot be acquired when the UE is in the uplink synchronous state. The communication method, the user equipment and a system provided by the embodiment of the invention can also solve the problem of transmission error because a network side device cannot sense the PUCCH allocation change of the UE.

The invention relates to a system and a method for improving the safety of a verification code. The system at least comprises a server for generating the verification code with a check part and a client with a verification code check function. The method for improving the safety of the verification code based on the system comprises four basic work processes, namely a process of generating the verification code with the check part, a process of checking the verification code, a process of generating verification information with the check part, and a process of checking the verification information. The system generates the verification code with check information when a user logs in the system; the client displays the verification code to the user after confirming that the check information in the verification code accords with the verification code, and prompts the user to input the corresponding verification information; the client generates the check part according to the verification information input by the user; and the client sends the verification information added with the check part to the system, and the system checks the correctness of the check part and the verification information. The client can be self-checked under the condition that the user continuously inputs wrong verification codes so as to confirm the correctness of the client and the operating environment of the client.

The invention belongs to the technical field of a speed reduction motor, and more specifically relates to an electric tail gate speed reduction motor used for an automobile. The electric tail gate speed reduction motor comprises a motor and a speed reducer; a speed reduction mechanism is arranged in the speed reducer; the speed reduction mechanism comprises a first-stage speed reduction mechanism in transmission connection with the output end of the motor, and a second-stage speed reduction mechanism in transmission connection with the first-stage speed reduction mechanism; the input shaft of the first-stage speed reduction mechanism and the output shaft of the motor share a coaxial line; the output shaft of the first-stage speed reduction mechanism is perpendicular to the axial line of the input shaft thereof; and the input shaft of the second-stage speed reduction mechanism and the output shaft of the first-stage speed reduction mechanism share a coaxial line. The electric tail gate speed reduction motor has the advantages of high transmission ratio, compact structure and stable operation; the size of the speed reducer is further reduced while the mounting and debugging of the overall speed reduction motor become convenient; and by virtue of the smaller size, more space can be saved for a trunk.

The present invention discloses a method for sending and receiving up-going signaling in high-speed data access system. At sending end, said method does not directly send ACK or NACK information, and utilzies the frequency-spread code correspondent to different ACK or NACK used by TFR I information to make transmission; at the receiving end, respectively uses the different frequency-spread code to make incoherent demodulation for received TFRI signal, finally utilizes the comparison of coherent peak values to make judgement of that the used frequency-spread code is which one, and further can obtain correspondent ACK or NACK information, so that it can stop information transmission in ACK or NACK correspondent time slot, and can save transmitting power, and can move TFRI to front two time-slots to make transmission, can reduce base station processing time.

The embodiment of the invention discloses a distributed file uploading method, a device, a computer device and a storage medium, comprising the following steps: obtaining an object file to be uploaded; The target file is sliced to form a plurality of slice files; For any one of the plurality of slice files, an upload task thread is generated corresponding to the slice file, and the generated upload task thread is added to the stack queue for asynchronous upload. By slicing the uploaded target file, The large data file is sliced into several slice files, and each slice file is divided into an appropriate size. When uploading, each slice file corresponds to a thread that establishes an upload task. The terminal can avoid transmission error problem caused by other operation instruction interference through asynchronous upload mode. At the same time, the design of multi-thread upload task, when the terminal is a multi-core processor, each core can execute different upload task thread independently, which greatly improves the efficiency of upload.

The invention discloses a transmission method and a transmission system for the integral packet data, including the steps that the data signal and the state signal are transmitted in parallel by the sender; the data signal includes the data signal of the data packet; the state signal includes the state signal which indicates the transmission state of the data packet; wherein, the data signal of the data packet is transmitted at least in three times; the receiver receives the state signal and the data signal and stores the data signal according to the state signal; wherein, the receiving mode is that the data signal of the same data packet received in the continuous clock cycle is stored in the continuous storage space. In the transmission method and the transmission system for the integral packet data, the data signal and the state signal are separated for parallel transmission; thereby, the state signal can not occupy the transmission bandwidth of the data signal; otherwise, the packet reintegration is avoided in the receiver; the data signal received in the continuous clock cycle is stored in the continuous storage space in the receiver; the data transmission process is simplified and the transmission speed is improved.

In the disclosed invention for multicast information transmission, a system comprises a first route device included a host interface unit and a process unit, and a second route device included an interface unit and a process unit. And the method comprises: determining the mono-cast address of device in receive network, taking former address as target address, sending multicast information to target device. This invention improves service quality and reduces business loading.

The invention discloses a semi-static scheduling resource releasing method and equipment. The method comprises the following steps that a receiving user terminal passes a data packet shared by a physical uplink sharing channel, a counter of a base station counts the number of protocol data units not including service data units in the protocol data units, and the counter of the base station is used for triggering and releasing the dispatching authorization of the user terminal when the number of the protocol data units not including service data units in the protocol data units reaches a threshold value; the method also comprises the steps that after an explicit release instruction is sent to the user terminal, the counter, maintaining the synchronism with a counter of the user terminal, of the base station is subjected to zero clearing, the explicit release instruction is used for releasing the dispatching authorization of the user terminal, and the counter of the user terminal is used for counting the number of the protocol data units not including service data units in the protocol data units by the user terminal. The PUSCH (physical uplink shared channel) transmission error capable of being caused by continuous release of semi-static scheduling resources by the user terminal can be prevented.

The embodiment of the invention provides a configuration authorization confirmation method, a terminal and network side equipment, and the method comprises the steps that the terminal receives a firstsignaling sent by the network side equipment, wherein the first signaling is used for activating or deactivating at least one set of configuration authorization; and the terminal sends configurationauthorization confirmation information to the network side equipment, wherein the configuration authorization confirmation information is used for indicating activated or deactivated configuration authorization. The embodiments of the present invention can improve the transmission performance of a communication system.

A terminal transmits via a control channel to another terminal a command demanding header configuration modification. Then the former terminal continues to receive frames with configuration before the modification and at the same time waits for frames with configuration after the modification.

The invention discloses a source host, a migration architecture and a data migration method. The migration architecture comprises the source host and a cloud platform; the source host comprises an agent plug-in module; the agent plug-in module is used for uniformly managing the system data formed by the source host, and migrating the system data to the cloud platform based on the migration request of the cloud platform.

A short-circuit protection connector with a self-detecting structure belongs to the technical field of electrical connectors, and comprises a socket and a plug that is mated with the socket, wherein aplurality of sets of jack assemblies are distributed on the first layer of socket insulator in the socket housing, and the jack assemblies comprise a pair of communication jacks, an insulating top pillar, a socket spring, and a ground contact; three layers of plug insulators are laminated in the plug housing, a plurality of sets of pin assemblies are distributed on the first layer of plug insulator, and the pin assemblies comprises a pair of communication pins, a plug top post, a plug spring, and an inspection jack. The invention inserts and disconnects the plug and the socket to realize theestablishment of a self-short link when the socket is not plugged into the plug so as to perform self-short protection on the equipment. And when the socket is plugged into the plug, the self-short link is automatically disconnected, and the disconnected state of the self-short link is detected, thereby effectively preventing signal transmission errors.

A method for monitoring quality of data transmission in an IDC network includes: monitoring data sent by an application service node and data received by a data storage node of the application service node in an IDC network; acquiring index items of sent data and index items of received data; calculating, according to the index items of sent data and the index items of received data, a data transmission quality index of the sent data and the received data; and raising an alarm according to the data transmission quality index. By contrast, transmission of erroneous data that causes a waste of network bandwidth resources can be avoided, and data calculation performed according to the erroneous data resulting in an erroneous data calculation result is further prevented; therefore, occupation of unnecessary calculation resources and a bad decision that is generated according to the erroneous data calculation result can be prevented.

The invention relates to a wireless data printing system and method of equipment with an Android system. The system comprises the equipment, a verifying device and a printing device. The verifying device is in wireless connection with the equipment, and is connected with the printing device. The equipment is used for segmenting a file to be printed into a plurality of sequentially-arranged data packets to be printed, sending a data packet which is not sent at present and has the minimum serial number to the verifying device, and judging whether the verifying result received from the verifying device is a wrong data packet or not, if yes, the data packet to be printed is sent to the verifying device again, and otherwise, the next data packet to be printed is sent to the verifying device. The verifying device is used for verifying the received data packets to be printed, sending the verifying result to the equipment and sending the received data packets to be printed to the printing device for printing. Data transmitting errors can be corrected in time, and it is ensured that the file is accurately printed.

The invention relates to the field of file synchronization, and discloses a file synchronization method, receiver equipment and system. The method comprises the steps that a file synchronization request from sender equipment is received; a response message is transmitted based on the request, wherein the response message includes multiple storage area addresses of the receiver equipment; multiple file blocks transmitted by the sender equipment based on the response message are received, the multiple file blocks are obtained through blocking of files to be transmitted, and each of the multiple file blocks includes a unique identifier and the storage area address of the receiver equipment corresponding to the unique identifier; and each file block is allocated to the corresponding storage area according to the unique identifier of each file block and the storage area address of the receiver equipment corresponding to the unique identifier, and the multiple file blocks stored in all the storage areas are assembled in real time so that the files to be transmitted are obtained. Therefore, stable transmission of the files can be ensured even the files to be transmitted are large, and thus the success rate of synchronization can be enhanced.

The embodiment of the invention provides a signal interference coordination method, a communication device and a computer readable storage medium. Uplink OAM modal information corresponding to a first terminal device in a first cell is different from uplink OAM modal information corresponding to at least one second terminal device in a second cell, so that an OAM wave adopted when the first terminal device sends uplink data and an OAM wave adopted when the at least one second terminal device sends the uplink data are orthogonal to each other. Mutual interference between uplink data of adjacent terminal devices belonging to different cells is avoided. The downlink OAM modal information corresponding to the first terminal device in the first cell is different from the downlink OAM modal information corresponding to the at least one second terminal device in the second cell, so that OAM waves adopted by different network devices between adjacent cells when sending downlink data are orthogonal to each other, mutual interference between the downlink data between the adjacent cells is avoided, and the reliability of signal transmission is improved.

A method for color correction of a pair of colorful stereo microscope images is provided, which transmits the color information of the foreground areas and the background area of the reference image to the aberrated image separately for avoiding transmission error of the color information of the varied areas of the pair of the images, thus sufficiently improves the accuracy of the color correction, reduces the difference between the color of the reference image and the color of the aberrated image, and well prepares for the stereo matching of the pair of colorful stereo microscope images as well as for the three-dimensional reconstruction and three-dimensional measurement; on the other hand, during the correction, the correcting procedure is provided automatically without manual work.

The invention provides a project design plan processing method and device. The method comprises the following steps: receiving an access request sent by a user through a terminal, wherein the access request is used for requesting to access a target design catalog set of a target project in a preset project catalog set, and the target design catalog set comprises design catalogs of a plurality of to-be-designed stages related to the target project; in response to the access request, displaying the design catalog set of the target project; when detecting an appointed operation carried out by the user for a target design catalog in the design catalog set, reading a design plan file from a storage space corresponding to the target design catalog; and updating the design plan file on the basis of a read-write operation carried out by the user for the design plan file. According to the method and the device, the probability of errors in the design plan processing process can be decreased, and the design plan processing convenience and efficiency can be improved.

The invention discloses an information processing method, a terminal and a computer storage medium, which are used for solving the technical problem that the existing terminal cannot determine whetherindication information is valid. The method comprises the following steps: the terminal judges whether the transmission length of a first channel in a time domain is greater than or equal to a presetthreshold; and the terminal determines whether first indication information is valid according to a judgment result, and the first indication information is used for indicating the situation that transmission resources of the first channel are preempted or interrupted.

The invention provides a circuit diagram rewiring method comprising the following steps of: obtaining at least one pair of paired signal wires from a circuit diagram wired previously, wherein the circuit diagram wired previously is laid on a substrate of a printed circuit board; the substrate is provided with a plurality of warps and a plurality of wefts; the at least one pair of paired signal wires includes two signal wires parallel to each other; and the paired signal wires include a plurality of pairs of paired segments; determining whether there is at least one pair of parallel segments among the paired segments which is parallel to the warp or the weft; and if there is at least one pair of parallel segments, replacing at least one pair of parallel segments on the circuit diagram wired previously by a plurality of pairs of ten-degree wires, wherein the ten-degree wire forms an angle of ten degrees with the warp or the weft.

The invention discloses a key code transmitting method for a key-free keyboard device. The key code transmitting method for the key-free keyboard device comprises the following steps: the key-free keyboard device and a computer judge the connection state between the key-free keyboard device and the computer according to the length of declaration time; the key-free keyboard device judges the type of an operation system of the computer according to the declaration numerical value. The key-free keyboard device, by transmitting the respective key code of number lock or caps lock, or the transmitting time and the response time generated by the key codes of the number lock and the caps lock, obtains the performance parameter of the computer.

The embodiment of the present application discloses a data interaction method and device for Internet of Things devices. The technical solution provided by the embodiment of this application obtains the device parameters of the device in the Internet of Things, generates the device's interaction token and the target device list, and the target device list is used to indicate the device that can perform data interaction with the device; the interaction token Cards are distributed to devices in the target device list; receive an interaction request initiated by any device, the interaction request includes the device parameters of the device and the target device; determine whether the target device matches the target device list, and when it matches the target device list The interactive communication between the device that initiates the interactive request and the target device is established, which can ensure the security of the interactive data and prevent the mistransmission of the interactive data.

A circuit for coordinating the R / W operation between CPU and I / O interface is a synchronization controller connected between them. When a R / W request is sent from CPU to I / O interface and the I / O interface is not ready, its sents a synchronous wait compensating signal to CPU to make it in waist state until the I / O interface is ready. Then R / W operation is conducted.

A method of transmitting data information electronically primarily between two units with the third intermediate unit. Primary unit 150 "VARe" processes received raw data information for validation; and primary unit 180 "USeR" transmits raw data information to be processed then receive back the processed data information, and other pertinent information; the intermediate unit 135 "PUMa" is the inventor of the software application designed to interface among VARe and various USeR devices. PUMa installs the software application online in the USeR unit and frequently checks VARe for any code changed, added, deleted, replaced, mutated and or permutated; then updates the USeR with accurate and valid data, algorithm and logical computation code for proper transaction and appropriate transmission of data information. The data information submitted by the USeR is checked and validated against the source code stored in VARe for an acceptance and approval or a rejection and disapproval of the transaction.

The invention discloses an on-chip network node communication method based on a macro virtual channel, and relates to the field of the communication methods between on-chip network nodes, so that information transmission errors caused by the errors of input caches inside the communication nodes are avoided. The method is realized through the following process that a data packet from another communication node enters a route of a communication node; two copies of the data packets with a reliability requirement are prepared; the data packets with the reliability requirement and the two copies of backup data thereof respectively enter virtual channels of the input caches; the data packets with the reliability requirement and the two copies of backup data thereof send application signals to a virtual channel distributor; if the application is approved, the data packets with the reliability requirement and the two copies of backup data thereof respectively enter the macro virtual channel; in the macro virtual channel, a principle that the minority is subordinate to the majority is followed and a correct data packet is determined; the macro virtual channel is a virtual channel of three specified addresses in the input caches; and the obtained correct data packet is transmitted to the next communication node through an output channel.