93results about How to "Improve sending and receiving efficiency" patented technology

The invention discloses a remote control method of wireless terminal equipment. The method comprises that the wireless terminal equipment establishes a long connection channel with a long connection server cluster; the long connection server cluster establishes the mapping relation between an MAC address of the wireless terminal equipment and an identification of the long connection channel; a cloud server transmits the MAC address and the identification contained by a remote control instruction to the long connection server cluster; and the long connection server cluster selects a corresponding long connection channel according to the identification of the long connection channel, and the wireless terminal equipment transmits and receives the remote control instruction via the selected long connection channel. The wireless terminal equipment and the cloud server realize a reliable transmission mechanism of TCP long connection via the long connection server cluster, crossing of different NAT is realized by utilizing an asynchronous non-obstruction communication transmission manner, it is ensured that the service server is actively connected to a wireless intelligent terminal placed behind the different NAT, the wireless intelligent terminal is managed remotely, symmetrical NAT is supported, it is not required to transmit heartbeat packets frequently, and the operation and network transmission pressure is reduced.

Embodiments of the invention disclose a DPDK-based message processing method and computer equipment, relate to the technical field of computers, and aim at solving the problem of network card universality caused by the reason that kernel modes are required to support network cards with specific drives when user mode spaces adopt a DPDK manner or the problem that the message reception / transmissionefficiency of kernel mode spaces is relatively low as network cards adopt common drives. The method is applied in the computer equipment. The computer equipment is installed with an operation system,wherein the operation system comprises a user mode space and a kernel mode space; the user mode space is provided with a data plane development kit DPDK reception / transmission interface; the kernel mode space is provided with a network card reception / transmission module; and a queue is arranged between the DPDK reception / transmission interface and the network card reception / transmission module. The method comprises the step of transmitting messages to network cards or receiving messages from the network cards by the DPDK reception / transmission interface and the network card reception / transmission module through queue transmission. The method is applied in the process of receiving messages from network cards or transmitting messages to the network cards by the computer equipment.

The invention discloses a method for enabling a classical application to have access to a quantum communication network. The method includes the steps of (1) configuring the network, (2) receiving classical application data, (3) carrying out address conversion, (4) judging whether the data need to be sent to an outer network, (5) judging whether the data need to be encrypted, (6) judging whether the data are data packets, (7) encrypting a data portion, (8) judging whether decryption is needed, (9) decrypting the data portion, and (10) forwarding a network layer protocol IP datagram. According to the method, a quantum communication terminal is set to be an access gateway of an application terminal, classical application terminals are discriminated through IP addresses, a quantum encrypted datagram is identified with a head option field of the IP datagram, a starting portion of a secret key used for encrypting and decrypting is recorded, quantum encrypted transmission can be carried out on data of the quantum application terminal, meanwhile, data of the classical application terminals can be transmitted, and fusion of classical communication and quantum communication is achieved.

The invention discloses a transmission method and a transmission device for the continuity check of messages, which are applied to a communication system comprising a line card and a main control board. The method comprises the following steps: the main control board is provided with a protocol processing card, wherein the protocol processing card is used to process the continuity check of the messages; and a switching chip of the main control board sends the messages to the protocol processing card under the condition of receiving the messages from the line card. The transmission method and the transmission device for the continuity check of the messages improve the receiving and sending efficiency of the messages.

The invention discloses an antenna array system, a control method and a terminal. The antenna array system comprises an array control module and an antenna array, wherein the array control module is used for controlling the radiation direction of an antenna array pattern to enable a main lobe of the antenna array pattern to face the direction with the maximum base station signal strength; and antenna array is used for transmitting and receiving signals under control of the array control module. Through adjusting the antenna pattern, the main lobe of the antenna radiates towards the base station direction in a non-stop mode, the transmission efficiency of the mobile terminal is improved, and a SAR (Specific Absorption Rate) value is reduced.

The invention discloses an express receiving and sending system and method, and aims to solve the technical problem of unreasonable distribution of unmanned distribution resources in the prior art. The express receiving and sending system comprises an unmanned express station, a background server and at least one distribution robot, wherein the distribution robot carries out automatic distributionbetween the unmanned express station and a user. The invention also designs a method for sending the express, and the distribution robot automatically navigates to the doorway of the user according to the user order, obtains the express to be sent and then automatically returns to the unmanned express station. The invention further designs a method for receiving the express delivery. The deliveryrobot transports the express delivery from the delivery station to the doorway of the user at the appointment time. The system has the beneficial effects of being high in working efficiency and convenient to use.

The invention provides a multiband wireless signal transceiver system which comprises a power amplifier, a frequency switching outputting unit and a monitor, wherein the power amplifier is used for amplifying an inputted wireless signal; the frequency switching outputting unit comprises a transceiver switch used for receiving an output signal of the power amplifier, a first selector switch coupled with the transceiver switch, a filter coupled with the first selector switch and a second selector switch coupled with the filter; the filter comprises a filtering unit which is adaptive to the corresponding sections of the first selector switch and the second selector switch respectively; the monitor comprises a frequency detecting unit and a processing control unit; the frequency detecting unit is used for detecting frequency signals of the power amplifier and the frequency switching outputting unit; and the processing control unit is used for controlling the gain of the power amplifier and the corresponding switching sections of the first selector switch and the second selector switch according to a detecting result of the frequency detecting unit. The multiband wireless signal transceiver system is suitable for wider frequency signals, the cost is lowered and the efficiency is improved.

The invention relates to the technical field of logistics, in particular to an express delivery box, an express delivery box recycling system, an express delivery system and an express delivery method. The express delivery box comprises a box bottom, a box body, a box cover and a coded lock, wherein the box body surrounds the box bottom and can be folded, the box cover covers the box body, and the box cover and the box body can be fixedly combined in a covering manner through the coded lock. The box body is detachably connected with the box cover and the box bottom, and after the box body is separated from the box cover and the box bottom, the box body can be folded into a plane structure; and the box cover and / or the box body are / is provided with identification codes marking the identity information of the express delivery box, and after a user terminal scans the recognition codes, the identity information of the express delivery box can be obtained from a terminal server, and the identity information comprises a password through which the coded lock can be opened. According to the express delivery box, the stealing risk that an express delivery packet is manually taken apart and glued again is avoided, and environment pollution and resource waste caused by usage of plastic adhesive tape are reduced. The identification codes are used for replacing an express delivery bill, the express delivery receiving and dispatching efficiency is improved, and information disclosure of users is avoided.

The invention provides a wireless communication device comprising a metal shell, a substrate and a current feed-in part. The shell is provided with a first trench and a second trench communicated with each other. The current feed-in part is electrically connected with the substrate and used for acquiring current from the substrate. The shell is coupled to the current feed-in part, so that the first and second trenches can sense the current and trigger out corresponding resonant modes, and the wireless communication device can transmit and receive wireless signals having first and second center frequencies. The wireless communication device has the advantages that the metal shell is fully utilized as an antenna, transceiving efficiency of the antenna is improved effectively, and miniaturization development of the wireless communication device is benefited.

A parcel slip, comprising a parcel slip body with a waybill number on the parcel slip body, a scanning area on the front of the parcel slip body, a barcode corresponding to the waybill number, a recipient phone number in the scanning area frame and three positioning marks, the barcode is arranged up and down with the recipient’s phone frame, and the two are aligned left and right, and the width is equal. The three positioning marks are black circular dots or square dots, and are located on the barcode And around the recipient's phone frame, one of the positioning marks and the other two positioning marks are respectively on the same horizontal straight line and the same vertical straight line. The package slip of the present invention can quickly, accurately and conveniently obtain the waybill number and the recipient's phone number through one scan, so that the recipient can be conveniently notified to pick up the parcel during the delivery process, and the express shipments are conveniently sorted and quickly identified , greatly improving the efficiency of sending and receiving express mail, making highly automated express delivery business processes possible, and improving logistics efficiency.

The invention discloses a method, a device and a base station system for radio frequency signal transceiving and belongs to the field of communication. The device for the radio-frequency signal transceiving comprises a radiating circuit used for amplifying power of input first analog signals, radiating the first analog signals after the power of the first analog signals are amplified in a wireless mode and outputting the analog signals after the power of the first analog signals are amplified to a predistortion circuit, the predistortion circuit and a receiving circuit, wherein the predistortion circuit is used for conversing the first analog signals to second analog signals after the power of the first analog signals is amplified and outputting the second analog signals which are used for feeding back distortion degree of the first analog signals, the first analog signals are pre-compensated according to the distortion degree, and the receiving circuit is used for receiving third analog signals in a wireless mode and processing and outputting the third analog signals. The method, the device and the base station system for the radio frequency signal transceiving can improve radio frequency signal transceiving efficiency, reduce cost of the base station system, and reduce achievement difficulty of the base station system.

The invention discloses a transmission method used for bidirectional receiving / sending and detecting message and a device thereof, which is applied to a communication system which comprises a line card and a main control board; wherein, the method comprises the steps as follows: the main control board is provided with a protocol processing card; wherein, the protocol processing card is used for processing the bidirectional receiving / sending and detecting message; when the message of the line card is received, a switch chip of the main control board sends the message to the protocol processing card. The method and the device reduce the dissipation of the resource.

The invention is applicable to the technical field of communication and provides a method for forwarding a mail and a transit server. The method comprises the following steps of: acquiring and analyzing the mail by the transit server; judging attributes of mailboxes used by a sender and a receiver of the mail according to an analysis result; if the mailbox used by the sender is an external mailbox and the mailbox used by the recipient is an internal mailbox, firstly deciphering the mail by using a transit pgp private key and then forwarding the deciphered mail to corresponding receiver and carbon copy addresses according to a preset binding relationship; and if the mailbox used by the sender is an internal mailbox and the mailbox used by the receiver is an external mailbox, firstly ciphering the mail by using an external pgp public key and then forwarding the ciphered mail to corresponding receiver and carbon copy addresses according to the preset binding relationship. The method and the transit server improve the transmitting and receiving efficiency of the mail as the ciphering, deciphering and automatic forwarding functions of the mail are finished automatically by the transit server.

The invention discloses a double-feed type circularly polarized millimeter wave array antenna system which comprises a substrate, a millimeter wave array antenna arranged on the substrate and a first feeding unit and a second feeding unit connected with the millimeter wave array antenna, wherein the millimeter wave array antenna comprises a plurality of rectangular metallic pasters in square array distribution, the rectangular metallic pasters are connected through bar-shaped metallic strips, and the first feeding unit and the second feeding unit are positioned on the adjacent edges of the millimeter wave array antenna and are mutually perpendicular to each other. The double-feed type circularly polarized millimeter wave array antenna system can radiate circular polarized wave and electromagnetic wave, generates good wave beam forming, improves transmit-receive efficiency, and reduces polarization loss.

This invention relates to a method for using Chinese characters to exchange information by a ship carried automatic identification system (AIS) characterizing in applying the character combination convention by the T-R parties as the character code of exchanging codes and applying T-R information containing Chinese codes convention by the two parties, in which, the two parties can transmit and receive ASCII code characters and Chinese words to exchange information easily.

The invention provides a secondary radar radio-frequency transceiver of an aircraft anti-collision system. The secondary radar radio-frequency transceiver installed at the top or belly of an aircraftcomprises a TCAS antenna and a radio-frequency active transceiver that are integrated into an independent module to form a TCAS active antenna. The TCAS antenna is a microstrip antenna having at leastone radiating element. The radio-frequency active transceiver includes transceiver assemblies having the number identical with that of the radiating elements; the transceiver assemblies include transmitters for amplifying and sending inquiry signals and receivers for receiving and amplifying response signals; and two active radio-frequency interfaces of the transceiver assemblies are connected with corresponding processing channels in a follow-up modulation-demodulation and data processing module of the corresponding radiating elements respectively. According to the invention, the radio-frequency receivers and the power transmitting circuits are integrated into the four-unit microstrip antenna structure to realize the active TCAS antenna. The secondary radar radio-frequency transceiver has advantages of compact structure, high transceiving efficiency and the like.

The invention discloses business data transmission method and device, a processor and a mobile terminal. The method is applied to the mobile terminal; the mobile terminal comprises more than two intelligent communication cards for supporting different network types; a user of the mobile terminal performs data transmission by using the intelligent communication cards. A first type data channel does not need to be dismantled while the first type data channel is reserved when the condition that currently connected first type data channel is not matched with the first network type corresponding to a data transmission request is judged, and a new first type data channel corresponding to the first type business data is built, so that the first type business data is transmitted through the newly built first type data channel. Dismantling of the first type data channel is avoided in the process, the time is saved, and the sending and receiving efficiency of the business data is improved.

The invention provides an antenna assembly, which comprises a carrier, an antenna and a metal sheet body, wherein the antenna comprises a radiator; the metal sheet body is arranged on the carrier; the radiator is suspended above the metal sheet body; the metal sheet body is provided with a groove; and the length of a current path formed on the groove is in a certain proportion to the wavelength of a signal received and transmitted by the antenna, so that resonance is generated between the metal sheet body and the radiator. The antenna assembly is simple in structure, and the frequency width of the antenna can be increased effectively.

The invention relates to a magnetic isolation data input-output module based on ARM self-adaptive direction control. The module comprises an ARM microcontroller, a self-adaptive control magnetic isolation RS-485 receiving-transmitting reversing circuit, a magnetic isolation input-output free conversion circuit and a starting mode selection circuit, the self-adaptive control magnetic isolation RS-485 receiving-transmitting reversing circuit, the magnetic isolation input-output free conversion circuit and the starting mode selection circuit are connected with the ARM microcontroller respectively, the self-adaptive control magnetic isolation RS-485 receiving-transmitting reversing circuit comprises a chip ADuM2483 and a triode collector, two ADuM1400 chips of the magnetic isolation input-output free conversion circuit totally have 8 input-output channels, a three-pin jumper wire is added at the input-output end of each input-output channel, and the starting mode selection circuit comprises a resistor R18, a resistor R19 and a two-pin jumper wire. By the magnetic isolation data input-output module based on ARM self-adaptive direction control, data transceiving efficiency is improved, stability and interference resistance are high, and two methods for updating system firmware by a special programmer and a serial port are provided.

The embodiment of the invention discloses a resource scheduling method and a related product. The method comprises the step of adjusting a target beacon transmission time parameter of a first networkmode or a target beacon transmission time parameter of a second network mode under the conditions that the first network mode is started and the target beacon transmission time parameter of the secondnetwork mode conflicts with the target beacon transmission time parameter of the first network mode. In the embodiment of the invention, TBTT conflicts in the first network mode and the second network mode are staggered by adjusting a target beacon transmission time parameter of the first network mode or a target beacon transmission time parameter of the second network mode; the running time proportion allocated to the dual-network mode by the time allocation module is dynamically determined according to the respective actual business volume in the dual-network mode of the first network modeand the second network mode, so the business of the dual-network mode can be ensured to be scheduled and run in a time-sharing and fragmentation manner, the signal receiving and transmitting efficiency is improved, and the business is not influenced.

A ceramic porous body which is produced through the step of gelating a bubble-containing ceramic slurry containing at least one kind of hardly-sinterable powder within a mold to obtain a gel porous molded body, drying and degreasing the gel porous molded body and sintering the gel porous molded body, per se, is used as an acoustic matching layer of an ultrasonic sensor. Alternatively, a composite wherein this ceramic porous body is molded so that the body has a shallow concave in a surface and another porous body of a low density and a low sonic velocity is placed in the concave is used as a acoustic matching layer of an ultrasonic sensor.

The invention relates to a software defined on-board network forwarding strategy consistency updating method. A controller is used to issue a forwarding strategy to a vehicle set used for transmitting messages. When the forwarding strategy is required to be updated, the controller is used to update the forwarding strategy of every vehicle in a data forwarding link by using a software defined network consistency algorithm, and therefore a problem of inconsistent forwarding strategies is solved effectively, and therefore data packet transceiving efficiency is improved at the same time.

The invention discloses a message generation method based on a multi-core platform. The multi-core platform comprises a control core and a plurality of data cores, wherein the control core operates and controls a course, and the plurality of the data cores respectively operate corresponding data courses. The method includes the following steps: receiving a configuration file; controlling the course to choose a corresponding operation data core according to the number of the needed data cores in the configuration file, and distributing a plurality of pieces of address information to a plurality of the operation data cores; controlling the course to carry out course split so as to establish corresponding data courses for the plurality of the operation data cores; and generating messages through the corresponding data courses corresponding to the plurality of the operation data cores according to distributed address information and test information, and sending the messages to a tested system. The invention discloses a message generation device based on the multi-core platform. The message generation method and the generation device can provide relatively large network flow offline so as to achieve enough tests on backend applications.

The invention provides an antenna packaging structure with an air chamber and a packaging method. the structure comprises a rewiring layer, a chamber side wall, a substrate, an antenna circuit chip and a metal bump. The rewiring layer comprises a first surface and a second surface which are opposite to each other, the chamber side wall is formed on the second surface of the rewiring layer, the substrate comprises a first surface and a second surface which are opposite to each other, the antenna metal layer is formed on the first surface of the substrate, the substrate is bonded to the chamberside wall, and the substrate, the chamber side wall and the rewiring layer define an air chamber, the antenna circuit chip is electrically connected to the first surface of the rewiring layer, and themetal bump is formed on the first surface of the rewiring layer so as to realize electrical lead-out of the rewiring layer. The air chamber is arranged below the antenna metal layer, and compared with other packaging materials, the loss of antenna signals can be greatly reduced, so that the transmitting and receiving efficiency of the antenna is effectively enhanced.

The invention is suitable for the technical field of Beidou satellite communication, and provides a data channel switching method and a Beidou multi-channel antenna, and the method comprises the steps: updating a channel busy / idle list according to the busy / idle state of each physical channel of the Beidou multi-channel antenna; switching the data sending channel to the target physical channel according to the data sending command, performing data receiving and sending at the same time through the multiple physical channels, and therefore, effective control over data receiving and sending can be achieved through automatic control over switching of the physical channels, and the data receiving and sending efficiency is improved. The satellite data receiving and transmitting efficiency can be improved while the data receiving and transmitting amount is increased, and the problem of communication congestion caused by limited Beidou communication bandwidth at present is effectively solved.

The invention discloses a water-mediated dielectric antenna and a model establishment method thereof. The water-mediated dielectric antenna includes a water cooling and circulation structure, a supporting frame, an L-shaped probe, a grounding layer, a dielectric layer and a processor; water in the water cooling and circulation structure, replacing a metal layer in a traditional patch antenna, serves as a radiating medium; and air is adopted as a substrate, so that a wireless interface of any frequency to be achieved by changing the height of an air layer and changing the size of the water cooling and circulation structure. The invention also discloses a method for establishing the model of the dielectric antenna. According to the method, the model of the dielectric antenna can be established according to actual working requirements, so that the specific numerical values of the size parameters of the dielectric antenna can be obtained, and therefore, modeling and testing time before actual production can be saved.

The embodiment of the invention provides a communication method and device based on relay equipment and a communication method and device of a terminal and a base station. The communication method based on the relay equipment comprises the steps that the relay equipment receives a first uplink data frame sent by the terminal, wherein the first uplink data frame comprises a first mode identifier and a terminal identifier, and the first mode identifier is used for enabling the base station to consider that the terminal operates in a first mode; the relay equipment records the operation mode of the terminal as a second mode according to a first information set and the terminal identifier; the relay equipment sends the first uplink data frame to the base station; the relay equipment receives afirst downlink data frame sent by the base station; and the relay equipment sends the first downlink data frame to the terminal. In the embodiment of the invention, the first uplink data frame comprises the first mode identifier, so that the base station sends the first downlink data frame in the appointed time window, and the unpredictability of sending the first downlink data frame is reduced.

The invention provides an ultrasonic device that has high transmission / reception efficiency of ultrasonic waves, an ultrasonic module, and an ultrasonic measuring device. The ultrasonic device includes: a substrate provided with a first opening and a second opening; a support film that is provided on the substrate and closes the first opening and the second opening; a transmitting piezoelectric film that is provided on the support film at a position which overlaps the first opening when viewed in a thickness direction of the substrate and that is sandwiched between a pair of electrodes in thethickness direction of the substrate; and a receiving piezoelectric film that is provided on the support film at a position which overlaps the second opening when viewed in the thickness direction ofthe substrate and that is sandwiched between a pair of electrodes in an intersecting direction intersecting with the thickness direction of the substrate.

The embodiment of the invention provides an antenna group, relates to the field of electronic communication equipment terminals, and is used for realizing automatic adjustment of antennas according toenvironmental changes. The antenna group comprises at least two yagi antenna units, radio frequency switches in one-to-one correspondence with the yagi antenna units, a radio frequency transceiving link, a control unit and a comparator. The yagi antenna units are used for receiving signals. In each pair of corresponding yagi antenna units and radio frequency switches, one end of one radio frequency switch is connected with the corresponding yagi antenna unit, and the other end of the radio frequency switch is in signal connection with the corresponding comparator through the radio frequency transceiving link. The comparator is in signal connection with the control unit and is used for comparing the signal intensities received by the at least two yagi antenna units and sending a comparisonresult to the control unit. The control unit is used for controlling the radio frequency switches connected with a yagi antenna unit with the maximum signal intensity in the comparison result to be closed. Thus, the antenna unit with the maximum signal intensity can be selected for the terminal to receive and transmit data, and the data receiving and transmitting efficiency can be improved.