1510 results about "Signal interaction" patented technology

An embodiment of the invention discloses a communication method. The communication method is used for defining the signaling interaction flow between a central unit and a distribution unit. The method includes: the distribution unit receives a wireless link building request transmitted by the central unit, wherein the wireless link building request comprises resource information for building a wireless link; the distribution unit builds the wireless link according to the resource information; the distribution unit transmits the wireless link building response to the central unit.

The embodiments of the invention disclose a method and apparatus for signaling interaction and layer reconstruction in a switching process, and relate to the field of radio communications. The method and apparatus are used for ensuring a normal data transmission process after a terminal is switched after the length of the serial number (SN) of a packet data convergence protocol (PDCP) is expanded. In the method, a source base station, according to whether the acknowledged mode (AM) bearer of the terminal is configured by the source base station and a target base station with the PDCP SN of a long term evolution (LTE) system or an expanded PDCP SN, generates an SN state transmission signaling and a forwarding data packet; a target base station, according to whether the AM bearer of the terminal is configured by the source base station and the target base station with the PDCP SN of the long term evolution (LTE) system or the expanded PDCP SN, analyzing the received SN state transmission signaling and forwarding data packet so as to ensure that the normal data transmission process can be carried out after the terminal is switched.

The invention discloses a power-down and power-up control method of a fuel cell car, a vehicle control unit and a car, wherein the power-down and power-up control method of the fuel cell car includes steps of acquiring a power-up command or a power-down command; controlling a power-up system of the fuel cell car to power up according to the power-up command or controlling a power-down system of the fuel cell car to power down according to the power-down command. The method has advantages of building up signal interaction logic methods between VCU and BMS, VCU and MCU, VCU and APU, VCU and an air conditioning controller, and VCU and DCDC, realizing monitoring of the vehicle high-pressure state by the VCU, improving the APU working efficiency after the power-up of the vehicle high-pressure system, rejecting the high pressure discharge risk caused by mismatching of the vehicle power-down and the APU power-down, and improving the safety of the high pressure system.

The method comprises: 1) using the one of multi terminals as a first terminal, and using other terminals as the second terminal; using application server to make the signaling interaction and to create the data conference, the first XMPP data conference channel between first terminal and media resource server, and the second XMPP data conference data between the second terminal and media resource server; 2) the first terminal converts the file format into a preset file format, and sends the file page to the media resource server via first XMPP data conference channel; 3) the media resource server receives and saves the file page, and sends it to the second terminal via the second XMPP data conference channel; 4) the second terminal receives saves and processes the file page.

The invention discloses a method for mobile terminal to enter active state from idle state, which is used in system architecture evolution (SAE) systems, including: ensuring entering active state for the mobile terminal which is in idle state, transmitting user context information corresponding to mobile terminal to wireless access network by sending service request to control plane entity of core network by wireless access network and receiving the service request by control plane entity of core network. Meanwhile, the invention discloses a system implementing entering active state from idle state of mobile terminal, including: mobile terminal, wireless access network and control plane entity of core network. The invention eliminates signaling interaction, reduces delay for mobile terminal to enter active state from idle state, improves user's feeling of the service.

The embodiment of the invention discloses a method and a device for downloading a software upgrading data packet. The method comprises the following steps: receiving a software upgrading resource list transmitted by an update server, wherein the software upgrading resource list comprises at least one piece of address information, and a software upgrading data packet is stored in a client corresponding to each piece of address information; in a point-to-point network, transmitting a first request message of downloading the software upgrading data packet to at least one client according to the address information; and receiving the software upgrading data packet transmitted by the client according to the first request message. A seed source capable of providing the software upgrading data packet is acquired by signaling interaction of the client with the update server, and needed data is downloaded from the seed source by the client. The software upgrading is performed by P2P and HTTP between universal clients, is suitable for the condition of high concurrency value of the terminal, occupies small exit bandwidth and reduces the bandwidth and load of the server. Meanwhile, the downloading speed of the software upgrading and the success ratio for the software upgrading can be improved, and the quality of service is improved.

A laser ultrasonic inspection apparatus and method which enables remote sensing of thickness, hardness, temperature and / or internal defect detection is disclosed. A laser generator impinges a workpiece with light for generating a thermo-elastic acoustic reaction in a workpiece. A probe laser impinges the workpiece with an annularly-shaped probe light for interaction with the acoustic signal in the workpiece resulting in a modulated return beam. A photodetector having a sensitive region for detecting an annularly-shaped fringe pattern generated by an interaction of a reference signal and with the modulated return beam at said sensitive region.

This invention provides a negotiation method and a device for registration method and a safety algorithm of user, in which, the method includes: UPE starts up registration to MME and adds registration information including a safety algorithm onto the MME, which negotiates with the UE to determine a safety algorithm. From this plan we can see that the UPE reports its supported safety algorithm ability by registration to let the safety algorithm negotiation of the user side is finished in the NE of the control side so as to divide the NE function more reasonable, when the UE and UPE have not any common supported safety algorithm, the MME can decide if the UE adhesion process is done before the route collocation process of the user side to reduce signaling interaction number and lighten operation burden of the system and new negotiation of user side safety algorithm between UPE and UE in the re-location of UPE speeds up the connection process of user sides.

The provided obtaining method for wireless resource management message in evolution network is to use a UE to obtain the wireless resource management message from near subzone and send to local BS for process. This invention completes task with less cost since no signaling interaction.

This invention presents a method for fast call setup in a mobile communication system, including the steps of radio resource control (RRC) connection setup, Non-access stratum (NAS) signaling connection setup and NAS signaling interaction, and radio access bearer (RAB) setup. User equipment (UE) sends a RRC CONNECTION REQUEST, which encapsulates NAS, to RNC. In response, the radio resource control (RNC) digests the RRC CONNECTION REQUEST and forwards NAS to the core network (CN), which sends RAB Assignment Request to RNC and starts to send the paging message to the terminal call.

The invention discloses a system and method for realizing broad and narrow band resource dynamic allocation based on a narrow band air interface, and belongs to the technical field of trunking communication. The invention aims to solve the problems that in the exiting implementation method of broad and narrow access fusing service, when a PDT air interface short message carries control information, the response speed of call establishment is low, and the utilization ratio of broad band resources is low. The system comprises a fused base station and a terminal, wherein the fused base station and the terminal perform information interaction in a wireless mode; the fused base station comprises a trunked base station controller, a plurality of PDT base station channel units and a broad band service unit. The method comprises the stages of call establishment, call process control and clearing control; the broad band service unit is added to the original PDT base station; the signaling interaction of broad and narrow services is performed through PDT air interface signaling extension; then broad and narrow resource dynamic allocation is realized. The system is applied to broad and narrow resource dynamic allocation.

The invention provides an electric control method on a blade electric vehicle and the blade electric vehicle. The method includes the steps of when the vehicle is completely powered off, judging whether the vehicle has a powering request or not, if yes, controlling a main relay of the vehicle to be turned on, supplying power to a motor controller, a battery management system and a low-voltage power utilization device through a power battery to conduct low-voltage powering, after low-voltage powering is completed, judging whether a brake signal and a vehicle startup switch signal can be detected or not and whether high-voltage powering conditions are met or not, if the brake signal and the vehicle startup switch signal are detected and the high-voltage powering conditions are met, sending ahigh-voltage powering instruction to the battery management system through a whole-vehicle controller, and sending a motor enabling instruction to the motor controller to conduct high-voltage powering. The signal interaction between all controllers in the powering process of the blade electric vehicle and the actions which should be executed after instruction signals are received are explicitly stipulated, and therefore the reliability and safety of the powering process of the blade electric vehicle are improved.

The invention provides an electric control method on a blade electric vehicle and the blade electric vehicle. The method includes the steps of when a power-off request exists, controlling a battery management system to conduct insulation fault detection through a whole-vehicle controller, sending a motor enabling relief instruction to a motor controller, sending a working stop instruction to a DC / DC converter, sending a high-voltage power-off instruction to the battery management system when the non-work state information fed back by the DC / DC converter is received or the non-work state information fed back by the DC / DC converter is not received within first preset time, controlling the motor controller to conduct rapid power-off after the feedback of the motor controller and the battery management system is received to complete high-voltage power-off, and controlling the whole vehicle to conduct low-voltage power-off after high-voltage power-off is completed. The signal interaction between all controllers in the powering process of the blade electric vehicle and the actions which should be executed after instruction signals are received are explicitly stipulated, and therefore thereliability and safety of the power-off process of the blade electric vehicle are improved.

The invention discloses a method of data receiving, a method of data sending, a mobile terminal and a server, and belongs to the field of mobile terminals. The method comprises the steps that when an application program on the mobile terminal is switched to a background, the mobile terminal sends a first message to a push server, so that the push server sends a second message to an application server; the second message is used for indicating the application server to send data to the push server when the data is required to be sent to the mobile terminal; the application server serves for the application program; and the mobile terminal receives the data sent by the push server. With the adoption of the method of the data receiving, the method of the data sending, the mobile terminal and the server, the mobile terminal is not required to keep heartbeat connection with the application server, so that signalling overheads of the mobile terminal are decreased, the energy consumption of the mobile terminal is saved to a great extent, and the network signalling interaction is reduced.

The invention discloses a context acquisition method and context acquisition equipment for user equipment (UE). The method comprises that: if a target base station does not store the context of the UE when receiving a radio resource control (RRC) connection reestablishment request message from the UE, the target base station transmits a radio link failure (RLF) indication message to a source base station, wherein the RLF indication message carries indication information requiring the feeding-back of the context of the UE; and the target base station receives a response message of the RLF indication message from the source base station, wherein the response message carries context, acquired according to the indication information by the source base station, of the UE. By the method and the equipment, the target base station not storing the context of the UE can acquire the context of the UE only by the interaction of the two messages, thereby reducing signaling interaction and further increasing the connection reestablishment success rate of the UE.

The present invention discloses radio evolution network realizing switching method and system. It contains through in switching source base station and target base station signaling interaction, adopting plurality of terminal public relevant signaling mode, the signaling interaction between terminal and base station, between base station and access network, adopting each terminal switching corresponding one signaling mode to realize radio evolution network batch switching. Said invention relieves broadband load.

The invention discloses a signaling interaction method supporting CoMP operation set option, which mainly solves the problems that the signaling interaction content of an X2 port of an LTE system is insufficient and the signaling interaction process cannot meet CoMP requirement. The method comprises the following steps that: service eNB of a user initiates a CoMP measuring set for the user; the service eNB sends a measuring request to the user so as to acquire signal quality from nodes in the measuring set to the user; meanwhile, the service eNB sends a CoMP state request message to the nodes in the measuring set so as to acquire current states of the nodes in the measuring set and start a timer to be measured; the user receives the measuring request, executes the measurement and reports a measuring result; the nodes in the measuring set receive the CoMP state request, initiate the measurement and feed a CoMP state response message back; after the nodes receiving the CoMP state request initiate the measurement successfully, the nodes execute the measurement and feed a CoMP state report message back; and the service eNB receives a measuring report and a CoMP state report, and extracts the signal quality and current state information of the nodes as parameters of CoMP operation node option.

The embodiment of the invention discloses a load measuring method, an evolution base station and a load measuring system, which relate to the field of communication and solve the problem of complex signaling interaction process in the load balancing process. The load measuring method comprises the following steps: receiving a measurement request message which is sent by an adjacent area evolution base station and comprises more than two sets of load measurement parameters; performing measurement configuration according to the more than two sets of the load measurement parameters so as to determine the load measurement state; and sending a response message to the adjacent area evolution base station, wherein the response message carries the load measurement state. The technical proposal provided by the embodiment of the invention is applicable to cell load balancing of LTE systems and LTE advanced systems.

The invention relates to the technical field of communication, in particular to a method and a device for testing a terminal based on the Android, solving the problem that currently, testing software is required to be designed according to different chips during development. The method provided by the embodiment of the invention comprises the following steps: establishing Socket connection between a testing terminal and a terminal to be tested via an ADB interface; and via the established Socket connection, achieving signal interaction and data transmission between the testing terminal and the terminal to be tested by adopting a communication protocol supported by the ADB interface. According to the invention, since the Socket connection between the testing terminal and the terminal to be tested is established via the ADB interface, when terminals to be tested, which are based on different hardware platforms, are tested, communication can be achieved as long as a communication protocol supported by the ADB interface is adopted, therefore, different testing software is not required to be developed to aim at different hardware platforms, and further development repeatability of the testing ware is reduced.

The invention relates to a limit bit feedback and multiuser dispatching algorithm which comprises the following steps of: at the base station side, determining a loaded wave beam set for each subcarrier; at the user equipment side, obtaining the wave beam set information, forming an associated subcarrier on the basis of each subcarrier, calculating a channel quality estimation parameter of each wave beam, and determining the optimal wave beam and a key subcarrier; and if the channel quality corresponding to the optimal wave beam on the key subcarrier exceeds a scheduled threshold value, feeding a sequence number of the key subcarrier and the best wave beam number back to the base station side; and at the base station side, receiving the feedback information of the user equipment, expanding the feedback information of the key subcarrier to the associated subcarrier, determining a reference wave beam set adopted by the associated subcarrier on the basis of each subcarrier, and than carrying out the user dispatching on each wave beam, and finally carrying out the data transmission according to the selecting condition of the reference wave beam set and a user dispatching result. The invention has the advantages of less user feedback information amount, high feedback efficiency, large frequency spectrum multiplexing coefficient and high flexibility, simple realization, less signaling interaction between a user and a base station, and the like.

The invention relates to a technique for realizing coordinate multipoint communication, in particular to a method for coordinating resource distribution between a main service cell and coordinate cells in a wireless cellular network. The method comprises that: user equipment receives reference signals sent by a plurality of cell base stations and selects a main service cell base station and coordinate cell base stations; according to the service rate requirement of the user equipment and feedback channel parameters, the main service cell base station negotiates with the coordinate cell base stations to select a transmission channel; and the main service cell base station negotiates with the coordinate cells to distribute coordination power for performing multipoint coordinate transmission. In the invention, based on the conventional cellular network architecture, computing complexity and signaling interaction amount are lowered by a method for optimizing negotiation by the direct negotiation between the main service cell base station and the coordinate cell base stations. Thus, limited frequency spectrum resources and power resources are used fully, interference is avoided effectively and the service quality at cell edges is improved.

Touch sensitivity is enabled using a touch system that comprises a panel configured to conduct signals, e.g. by TIR, along detection lines across a touch surface. A signal processor operates in a sequence of repetitions to: generate data samples that represent detected signal energy on the actual detection lines; generate based on the data samples, an interpolated sinogram comprising interpolation samples that represent fictitious detection lines which have a desired location on the touch surface; and reconstruct a signal interaction pattern for the touch surface based on the interpolated sinogram. The signal processor implements an error correction to counteract the influence of a change in validity status for a data sample among the data samples, by identifying interpolation samples affected by the change in validity status, and by setting each identified interpolation sample to a value that maintains a relative signal transmission of the fictitious detection line from a former repetition.

The invention provides a data transmission method, a base station and user equipment. One transmission method comprises the following steps that the base station sends first data and random access information to the user equipment (UE) at the same time, and the data station receives accepting state information of the first data fed back by the random access information. The other transmission method comprises the following steps that the UE receives the first data and the random access information sent by the base station at the same time, and the UE feeds back the accepting state information of the first data to the base station according to the random access information. According the technical scheme, the base station sends transmission data to the UE in the process of random access, therefore, signaling interaction and time delay are reduced, and transmission efficiency of the data is improved.

The invention relates to a method for achieving service intercommunication between various video monitoring platforms, and system architecture. The method comprises the following steps: a signal interface and a media gateway are added to every video monitoring platform to convert a private signal and video stream transport protocol within the video monitoring platform into a standard signal and video stream transport protocol; an independent gateway custody and management platform and a public client end unit connected with the gateway custody and management platform are added for unified management of signal interaction and the input and output of the video stream between various video monitoring platforms, and for management, authentication, and charging of the intercommunication service, and for the storage of related data of the intercommunication service; and based on a user mapping mode, unified management of the user mapping mode is carried out by the gateway custody and management platform, so as to provide the intercommunication service of the video monitor platform for different kinds of video monitoring platform clients and public clients. The method realizes service intercommunication for the video monitoring platforms.

The invention discloses a group calling establishing method which is used for reducing signal interaction in a group calling establishing process, and therefore reducing time delay in establishing group calling and improving the efficiency in establishing the grouping calling. The group calling establishing method includes the following steps that a TMSE receives the request for establishing group calling from calling UE; the TMSE converts the request for establishing the group calling into an SIP Invite message, wherein an instruction for establishing the group calling is contained in the SIP Invite message. The TMSE sends the SIP Invite message to a dispatching server.

A method and an apparatus for defending against Address Resolution Protocol (ARP) spoofing attacks are disclosed. The method includes: when an ARP entry is updatable, judging whether the MAC address of a received ARP message is the same as the MAC address in the ARP entry, where the ARP message has the same Internet Protocol (IP) address as the ARP entry; if the MAC addresses are different, determining the received ARP message as an ambiguous ARP message and starting an ARP verification process, or else starting no ARP verification. In this way, when no address spoofing attacks occur, no verification messages are generated, and thus reducing signaling interactions and saving network resources; besides, spooling attacks possibly happening at any time are avoided, which effectively prevents address spoofing attacks via random scanning and protects the normal application of the real host.

The invention discloses an addressing method which comprises the steps of: receiving an accessing request messages carrying temporary marks and transmitted by an accessing network management network element by a first movable management network element when user equipment (UE) is switched in different systems; determining the address of the management entity registered before the UE is switched and obtaining that the registered management entity before the UE switch is a second movable management network element according to the temporary marks; obtaining the shared ID of the second movable management network element; and transmitting the shared ID to the accessing network management unit, wherein the shared ID is used for helping the accessing network management network element to address the second movable management network element. By applying the technical proposal of the embodiment of the invention, the management entity accessed before the user switch and the management entity accessed after user switch are ensured to be at the same movable management network element, thus reducing the signaling interaction between different system management entities.

The invention discloses a method for transmitting small data packets. During the procedure of performing bearer creation by Machine-Type-Communication User Equipment (MTC UE), small data packets needing to be transmitted are carried to a media gateway in a network; and the media gateway transmits the received small data packets to an MTC server. The invention also discloses a system for transmitting small data packets. According to the application requirements of Machine-to-Machine (M2M) communication, network optimization is performed directing to transmitting the small data packets in an M2M off-line state, thereby saving the allocation of the wireless resources and the core network media resources, reducing the mobility management and signalling interaction in an off-line transmission mode, and improving the utilization ratio of the network resources.