242results about How to "Guaranteed communication performance" patented technology

The invention provides apparatus and methods for a Virtual Private Network (VPN) in a network that offers a simple user interface for efficient utilization of network resources. The VPN is defined for a specified set of endpoints each of which is associated with a single “hose.” A hose provides access to the VPN through an access point which may be a node of the network, for example. The hose is a single interface to the VPN for communication to all other endpoints of the VPN. The VPN achieves network resource allocation efficiency by exploiting resource sharing possibilities via multiplexing routing paths between endpoints and dynamic resource allocation techniques that permit real time resource allocation resizing. When a VPN is established with a VPN service provider, the routing paths between the endpoints of the VPN is optimized for multiplexing opportunities so that resource allocations between nodes along routing paths within the IP network is reduced to a minimum.

A simple and efficient means of checking the registration authorization is proposed by the method and the device for checking the registration authorization prior to the start of the re-registration process based on a registration query from a mobile radio terminal to at least one access device for an intra-domain handover in a mobile communication network. In the network, a token which has been sent by an access device to a mobile radio terminal and has been stored in at least one trust table of at least one access device, is received by at least one further access device during a registration query from a mobile radio terminal and compared with tokens stored in at least one trust table prior to the start of the registration for the purpose of verifying the registration authorization, and the registration is started if an authorization is present.

The invention relates to a dual-network routing method. The method comprises the following steps: nodes are initialized to establish routing registry connection and generate a routing list; a first communication link is adopted for transmitting data, and the first communication link is preferentially switched to a second communication link to continue to transmit data in the case of communication link interrupt. The first communication link is a wireless communication link, the second communication link is a power line communication link, and vice versa. The method has the advantages that higher communication reliability and carrier class reliability are realized, communication real-time property is guaranteed, and the technical problem of signal island in the prior art is solved.

The invention discloses a method of connecting bilateral Bluetooth earphones. The bilateral Bluetooth earphones comprise a first Bluetooth earphone and a second Bluetooth earphone. The method comprises the following steps of: alternatively connecting the first Bluetooth earphone and the second Bluetooth earphone by using prestored first Bluetooth address and second Bluetooth address to separately acquire connecting signal strength of the first Bluetooth earphone and the second Bluetooth earphone; and determining master and slave earphones according to the connecting signal strength of the first Bluetooth earphone and the second Bluetooth earphone. According to the technical scheme, the master and slave earphones are intelligently switched, the power consumption of the system is reduced, and a mobile terminal can flexibly select the earphone with relatively excellent connecting signal strength to connect, so that the communication effect is ensured and the user experience is enhanced.

The present invention provides a returning method and device after offline of a private network in a high-speed mobile scene and a terminal. The method comprises: detecting the type of a district at present; when detecting the current district is off from a private network to a public network area, determining the current mobile speed state of the terminal; if the terminal is located at the high-speed mobile state in accordance with the high-speed mobile scene, searching the frequency points of the private network district according to the pre-stored private network district frequency point information list, and inquiring a target private network district satisfying a resident condition; and after the target private network district is inquired, initiating the resident process to the target private network district. The returning method and device after the offline of the private network in the high-speed mobile scene and the terminal can effectively solve the problem that the UE cannot return back to the private network after offline of the private network in the condition that the adjacent region relation between the private network and the public network along the highway is not configured so as to ensure the communication performance of the high-speed mobile terminal and improve the user experience.

The invention provides an AOG antenna system and a mobile terminal. The AOG antenna system includes an encapsulation antenna disposed between a main board and a 3D glass rear cover and electrically connected with the main board and a metal antenna formed on a surface of the 3D glass rear cover, the metal antenna includes a first antenna attached to an inner surface of the 3D glass rear cover and asecond antenna attached to an outer surface of the 3D glass rear cover, the first antenna corresponds to a position of an encapsulated antenna and is fed by coupling of the encapsulated antenna, andthe second antenna corresponds to a position of the first antenna and is fed by coupling of the first antenna. Compared with the related art, the AOG antenna system provided by the invention greatly reduces the influence of the 3D glass back cover on the internal encapsulated antenna of the mobile terminal by arranging the metal antenna on the surface of the 3D glass back cover, and has high antenna radiation efficiency, small gain reduction and dual-frequency coverage.

The invention provides a double-network digital mobile communication terminal and a double-network communication method thereof. The communication terminal comprises a private network communication unit, which is used for private network signal communication; a public network communication unit, which is used for public network signal communication; and a central control processing module, which is respectively coupled with the private network communication unit and the public network communication unit to control the private network communication unit and the public network communication unit.

The invention discloses a multi-network refined emergency rescue command system based on cloud computing, and the system comprises an emergency rescue command system and application networks. The emergency rescue command system comprises a rear commanding center, a front commanding center, and an onsite rescue team. The application networks comprise an air and space emergency transmission network,an onsite emergency communication network, a self-organizing wireless transmission network and an early warning information issuing network. The system completes the conventional emergency command architecture and working mode, expands the sky-ground integrated wide coverage to the deep coverage, achieves the refined command communication of different architecture layers: the rear commanding center, the front commanding center and the onsite rescue team, can guarantee that the problems of communication interruption and paralysis caused by the great decreasing of the communication capability caused by the damages to a base station are solved in the maximum range after a major disaster, guarantees the refined command in the onsite rescue process, and greatly improves the emergency communication guarantee capability.

The invention provides apparatus and methods for a Virtual Private Network (VPN) in a network that offers a simple user interface for efficient utilization of network resources. The VPN is defined for a specified set of endpoints each of which is associated with a single “hose.” A hose provides access to the VPN through an access point which may be a node of the network, for example. The hose is a single interface to the VPN for communication to all other endpoints of the VPN. The VPN achieves network resource allocation efficiency by exploiting resource sharing possibilities via multiplexing routing paths between endpoints and dynamic resource allocation techniques that permit real time resource allocation resizing. When a VPN is established with a VPN service provider, the routing paths between the endpoints of the VPN is optimized for multiplexing opportunities so that resource allocations between nodes along routing paths within the IP network is reduced to a minimum.

The present invention provides an AOG (Antenna On Glass) system and a mobile terminal. The AOG system comprises a 3D glass rear cover, a main board oppositely arranged at intervals, a metal antenna attached on the surface of the 3D glass rear cover and a package feed module arranged between the 3D glass rear cover and the main board and electrically connected with the main board, wherein the package feed module corresponds to the position of the metal antenna and is in coupled feeding with the metal antenna. Compared to the prior art, the AOG system is provided with the metal antenna at the surface of the 3D glass rear cover and the package feed module is in coupling feeding with the metal antenna to greatly reduce the influence of the 3D glass rear cover on the antenna system, improve theantenna radiation efficiency, decrease the reduction of gain, greatly reduce the thickness of the antenna system and save the space.

The invention relates to a paging response method, which comprises the following steps of: when a first operator network is in a connection state, determining information of a first priority for communicating with the first operator network; when a paging message of a second operator network is received, obtaining information of a second priority of communication between the second operator network and a terminal from the paging message; and according to the information of the first priority and the information of the second priority, determining to keep the connection state with the first operator network, or disconnecting the connection with the first operator network, and responding to the paging message of the second operator network. Compared with the prior art, the method has the advantages that the cost is low, according to the embodiment of the invention, the terminal selects to maintain the connection state with the first operator network or disconnect the connection with thefirst operator network, and responds to the selection result of the paging message of the second operator network, so that the actual requirements of the first operator network and the second operatornetwork are more easily met, and the communication effect of the terminal is further ensured.

A blue-tooth wireless sensor includes a data collection module, a blue-tooth wireless moule further processing and transmitting data wirelessly, a program control module responsible for data collection, process and data communication with a level device. This device is mainly used in wireless data collection under industrial field control, it can set up connection and carry out data exchange with any device in conformity with blue-tooth wireless sensor stipulations and forms a wireless acess system with the level device by forming networks with multiple sensors to be used in many fields difficult of laying out cables.

The invention discloses a field tester for an acquisition system for electricity consumption information and a test method thereof. The field tester comprises a microprocessor, a display unit, a power supply module, a storage unit, a communication interface unit and an input unit, wherein the microprocessor is internally provided with a data processing program and is respectively connected with the display unit, the power supply module, the storage unit, the communication interface unit and the input unit; the input unit is used for receiving an external instruction and transmitting the external instruction to the microprocessor; the microprocessor is used for transmitting the external instruction to the communication interface unit; the communication interface unit communicates with a collector and a smart meter and can be used for transmitting the acquired data to the microprocessor; and the microprocessor is used for processing the acquired data, storing and displaying the data and the processing result. The field tester for the acquisition system for the electricity consumption information and the test method thereof which are disclosed by the invention have the advantages of quickly and efficiently finding faults of an intelligent meter reading system, improving the operation reliability and safety of the intelligent meter reading system and the like.

The invention provides a signal-to-leakage-and-noise ratio (SLNR) rule statistic-based MIMO (Multiple Input Multiple Output) multi-user downlink transmission method which comprises the following steps of: acquiring a sending correlation matrix between a base station and a user by the base station in a feedback or hidden feedback mode according to a channel estimated result; calculating a downlink precoding vector space to be formed by a dispersion Fourier matrix by utilizing the information according to the lower bound of the maximum statistics of the SLNR; and further dispatching all users suitable for downlink transmission and carrying out power allocation among users by the base station through diagonal matrix features of feature values of the sending correlation matrix according to the principle of mutual coupling of diagonal matrix energy of different feature values, thereby completing the MIMO multi-user downlink transmission method on the basis. The MIMO multi-user downlink transmission method improves the frequency spectrum utilization ratio and power efficiency of a communication system, and greatly reduces the system cost needed by the base station for carrying out downlink precoding transmission; and the base station adjusts the sending parameters according to the channel statistic channel state information so as to obtain a higher system transmission rate with lower system cost.

An AOG antenna system is provided, and is applied to a mobile terminal, the mobile terminal comprises a 3D glass rear cover and a main board arranged at an interval opposite to the 3D glass rear cover, the AOG antenna system includes a package antenna disposed between the main board and the 3D glass rear cover and electrically connected to the main board, and a metal antenna formed on a surface ofthe 3D glass rear cover, the metal antenna corresponding to a position of the package antenna and coupled and fed by the package antenna. Compared with the related art, the AOG antenna system provided by the invention greatly reduces the influence of the 3D glass back cover on the antenna performance by arranging a metal antenna coupled with the antenna encapsulated inside the mobile terminal onthe surface of the 3D glass back cover, has high antenna radiation efficiency and small gain reduction, and ensures the communication effect.

The embodiment of the invention discloses a method and a device for acquiring CQI (Channel Quality Indicator) information. By applying the technical scheme provided by the embodiment of the invention, a base station sends a downlink sounding signal to a terminal device according to a certain policy to trigger the channel quality detection of the terminal device, so that the accurate CQI information of the terminal device can be acquired timely, easily and conveniently, the timeliness of CQI information updating can be increased, and too large CQI time delay caused by too long time interval between two adjacent dispatches on the same terminal device can be avoided. Therefore, the CQI time delay is shortened, the accuracy of channel estimation in the dispatching process of the terminal device is increased, and the communication performance of a system is ensured.

The invention discloses a communication control method, a communication control system and a communication control circuit, applied to user equipment. The method comprises the following steps: under acondition where the user equipment work in a NSA (Non-Stand Alone) mode, receiving harmonic interference indication information from a network device; under a condition where the harmonic interference indication information indicates that harmonic interference exists, transmitting signals through a first transmitting path; and under a condition where the harmonic interference indication information indicates that harmonic interference is nonexistent, transmitting the signals through a second transmitting path. By the method, the system and the circuit provided by the invention, a problem of influence on 5G signal receiving caused by self-interference of the user equipment under the NSA mode is guaranteed effectively, and meanwhile, LTE communication performance under the NSA mode is guaranteed effectively.

The invention discloses a multi-unmanned-aerial-vehicle network cooperative communication method. The multi-unmanned-aerial-vehicle network cooperative communication method comprises the steps that amaster unmanned aerial vehicle and slave unmanned aerial vehicles start monitoring after flying to a preset flight track according to the preset flight track to collect fire disaster data; according to the distributed link flow, link power and information transmission rate, the slave unmanned aerial vehicles summarize and send the collected data to the master unmanned aerial vehicle in an ad-hoc method; and the master unmanned aerial vehicle sends the collected data to a ground receiving station. According to the communication requirements in fire monitoring, in the unmanned aerial vehicle network with dynamic network topology changes, the communication capability of the network is improved by jointly considering the data acquisition rate control, channel transmission rate arrangement andresource allocation of the unmanned aerial vehicles. The joint information source and channel rate control scheme in the unmanned aerial vehicle fire monitoring network provided by the multi-unmanned-aerial-vehicle network cooperative communication method effectively improves the communication performance of the network, so that technical guarantee is provided in the communication field for the network to be applied to actual fire monitoring, the communication capability of the network is ensured, and the multi-unmanned-aerial-vehicle network cooperative communication method has a great significance for fire rescue.

The invention provides a signal receiving method and device and a terminal, and relates to the technical field of communication. The signal receiving method comprises the following steps of: receivinga signal; when the first signal receiving and transmitting module is in a signal receiving state; obtaining a first numerical value of a received signal quality index of the first signal receiving and transmitting module when the second signal receiving and transmitting module is in a signal receiving state, and obtaining a second numerical value of a received signal quality index of the first signal receiving and transmitting module when the second signal receiving and transmitting module is in a signal transmitting state; And controlling the transmitting power of the second signal processing module in the signal transmitting state according to the difference value between the first value and the second value. According to the embodiment of the invention, by controlling the transmittingpower of the second signal processing module in the signal transmitting state, the transmitting power of the second signal processing module can be in the preset range, and the problems that signal interference cannot be effectively avoided or the communication of an interference source cannot be ensured by turning off the transmitting signal of the interference source are solved.

The invention discloses a method, equipment and a system for scheduling and distributing wireless resources of an aeronautical mobile communication system, wherein the method for scheduling and distributing the wireless resources of the aeronautical mobile communication system comprises the following steps of: acquiring a reverse chain path resource request of each terminal of the aeronautical mobile communication system; triggering to acquire the channel quality estimation of each terminal according to the corresponding reverse chain path resource request; self-adaptively selecting a new modulation-demodulation coding-decoding mode for the corresponding terminal according to the corresponding channel quality estimation; redetermining the new resource request quantity of the corresponding terminal according to the new modulation-demodulation coding-decoding mode; and distributing the wireless resources for each terminal according to the redetermined new resource request quantity of each terminal. The method, the equipment and the system disclosed by the invention can effectively enhance the channel utilization ratio of aeronautical mobile communication and can ensure the communication property of the aeronautical mobile communication system in a complex and changeable aeronautical channel environment.

The present disclosure relates to a resource switching method, and a resource allocation method, apparatus, device and system, and belongs to the technical field of communication. The resource switching method includes the steps: when a terminal determines that a first BWP currently used needs to be switched, the terminal selects a second BWP among the at least two BWPs configured in advance; andthe terminal switches from the first BWP to the second BWP. The resource switching method can configure and switch the BWP by the terminal without requiring the access network device to specify the BWP for the terminal, and can introduce the BWP in the communication system supporting large bandwidth such as D2D, thus saving the power consumption of the terminal in the communication system, and being possible to ensure the communication effect of the terminal by switching the BWP in time.

The invention discloses an energy-saving wireless communication transceiver based on constant modulus signals, comprising a transmitting part and a receiving part. the transmitting part comprises a baseband signal processing unit, a first hard-limiting circuit, a radio-frequency transmitting unit and a transmitting antenna; and the receiving section comprises a receiving antenna, a radio-frequencyreceiving unit, a second hard-limiting circuit and an intermediate frequency signal processing unit. Compared with a conventional transceiver , the invention has the advantages that complexity of thetransceiver is simplified, and the hard-limiting circuit with less energy consumption replaces the ADC and DAC (digital-to-analog / analog-to-digital converters) with more energy consumption, thereby the energy consumption is effectively reduced, the communication performances can meet the requirement, and the manufacturing cost is reduced to a great extend simultaneously.

The invention provides a message forwarding method and device. The method is applied to AP equipment, and comprises the following steps of: when first STA equipment roams to the AP equipment, obtaining the first MAC address of the first STA equipment, sending a request message carrying the first MAC address to the AC equipment, receiving a response message carrying a first VLAN identifier returned by the AC equipment, and keeping the corresponding relationship of the first MAC address and the first VLAN identifier; and, when a data message from the first STA equipment is received, judging whether the MAC address corresponding to the first VLAN identifier includes the MAC address carried in the data message or not, and if so, sending the data message. By means of the message forwarding method and device disclosed by the invention, pressure on the AC equipment cannot be caused; and the communication capability of a wireless network is ensured.

The invention discloses a method and device for reducing the combined specific absorption rate, an electronic device and a storage medium, wherein the method is applied to the electronic device comprising a pair of cellular transmitting antennas and a pair of wireless transmitting antennas; and the method comprises the steps of: detecting whether the cellular network and the wireless network of the electronic device are simultaneously in the transmitting state or not, and if so, obtaining the first working frequency band of the wireless network and the second working frequency band of the cellular network; determining the combined specific absorption rate of the wireless network and the cellular network according to the first working frequency band and the second working frequency band; when the combined specific absorption rate is greater than the pre-set threshold value, detecting a target network used by the foreground application of the electronic device; and controlling the working states of the cellular transmitting antennas and the wireless transmitting antennas according to the target network and the wireless network. By means of the method, the purpose of reducing the combined specific absorption rate is achieved by adjusting the working states of the transmitting antennas; the transmitting power does not need to be reduced; and thus, the communication performance of the electronic device is ensured.

The embodiment of the invention discloses a flexible vehicle-mounted network system for intelligent driving and a vehicle. The system comprises a central computing and management platform, peripheralequipment and a plurality of deterministic low-delay switches, the plurality of deterministic low-delay switches are arranged on the vehicle body according to positions; the plurality of deterministiclow-delay switches form a ring network to be connected with the central computing and management platform; the peripheral equipment is divided into regions for networking according to the physical position and is connected with the deterministic low-delay switch nearby; the central computing and management platform is provided with a virtualized electronic control unit. And the whole vehicle-mounted network system adopts full Ethernet wiring. The vehicle comprises the system. According to the embodiment of the invention, the communication capability of the whole vehicle can be ensured under the conditions that the number of electronic equipment of the whole vehicle is increased, the communication traffic is increased and the network topology is complex and changeable, and the expandability and flexibility of the vehicle-mounted network can be improved.

The invention discloses a shared signal design method based on LFM signal phase / modulation frequency modulation. According to the phase modulation shared signal design method, a phase perturbation function is acquired based on randomly set amplitude parameters and phase parameters, and then the perturbation term of a shared signal is constructed; a shared signal is generated based on the perturbation term and a reference LFM signal parameter; and if a first design criterion is not satisfied, parameters for generating the phase perturbation function are adjusted for redesign until the first design criterion is satisfied. According to the modulation frequency modulation shared signal design method, based on a random number between (0, 0.5), an interval based on the frequency modulation slopeof a reference LFM signal is equally spaced; corresponding modulation frequency modulation parameters are calculated to construct the perturbation term of the shared signal; the shared signal is generated based on the perturbation term and the reference LFM signal parameter; if a second design criterion is not satisfied, parameters for generating the phase perturbation function are adjusted for redesign until the second design criterion is satisfied. The signal designed according to the invention has the advantages of good autocorrelation and cross-correlation characteristics and high demodulation efficiency.

An interior antenna (29, 29) of a vehicle communication apparatus (21) for performing wireless communication with a portable terminal device (22) present inside a cabin (11) is disposed in the cabin. The interior antenna includes left and right leaky coaxial cables that can transmit high-frequency band radio waves into the cabin. The left and right leaky coaxial cables are positioned under the cabin and inside left and right door inner panels (72) in a vehicle width direction, either above left and right side sills (51) or at end portions in the vehicle width direction above a floor panel (57), and extend in a vehicle front-rear direction.

A communication cable for ducts belongs to the technical field of wires and cables. The communication cable comprises a cable core, a first lapped covering and a sheath layer, the cable core comprises a plurality of data wire pairs, and each data wire pair comprises a pair of conductors and covering layers respectively covering the conductors. The communication cable is characterized in that: the cable core also comprises second lapped coverings, third lapped coverings, a central reinforcement and earth wires, each data wire pair is lapped by one of the second lapped coverings, the second lapped coverings are lapped by the third lapped coverings, the number of the earth wires is equal to the number of the data wire pairs, the earth wires respectively accompany one of the data wire pairs, the central reinforcement is positioned in the center of the cable core, glass fibers are bundled together and covered by a polyester lapped tape to form the central reinforcement, and the data wire pairs surround the central reinforcement and are stranded on the central reinforcement. The communication cable has the advantages that: the communication cable can meet the requirement of large-angle laying in ducts; the communication cable can be adapted to environmental conditions well; and the communication cable can prevent outside moisture from entering the data wire pairs, thus guaranteeing the communication effect.