91results 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.

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 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 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 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.

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 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 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 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.

The invention discloses a rotary continuous receiving and sending system for a cold chain logistics pipeline system, characterized by comprising: a first rotary receiving and sending device (1), a second rotary receiving and sending device (2), a lateral movement device, and longitudinal movement devices; the first rotary receiving and sending device (1) and the second rotary receiving and sendingdevice (2) are each configured with a plurality of receiving and sending places (102) for housing cold chain collectors (13); the first rotary receiving and sending device (1) and the second rotary receiving and sending device (2) are fixedly connected in a lateral direction of a cold chain transmission conduit (12), and laterally and synchronously driven by the lateral movement device; longitudinal movements of the first rotary receiving and sending device (1) and the second rotary receiving and sending device (2) in a longitudinal direction of the cold chain transmission conduit (12) are independent of each other, and the first rotary receiving and sending device (1) and the second rotary receiving and sending device (2) are respectively driven by the first longitudinal movement deviceand the second longitudinal movement device to do longitudinal movements without interference. The invention adopts two sets of rotary receiving and sending devices to alternate operations, which is fast and efficient.

The invention discloses a COM layer communication time limit monitoring method based on AUTOSAR, comprising the following steps of: 1) establishing a monitoring alarm which is started along a COM layer and establishing a time limit parameter and a timing parameter when each communication entity is initialized; 2) traversing all communication entities and updating the timing parameter of each communication entity at each time of traversing by the monitoring alarm; and 3) judging the state of each communication entity according to the time limit parameter and the timing parameter, informing an upper layer of failed sending of the communication entity if the sending time of the communication entity is over, informing a lower layer of failed receiving of the communication entity if the receiving time of the communication entity is over, and transmitting the communication entity to the lower layer and resetting the time limit parameter of the communication entity if the time point of the sending mode of the communication entity arrives. The invention has the advantages of a few occupied resources, simple maintenance, convenience for debugging, high treatment speed and high receiving and transmitting efficiency.