97results about How to "Avoid the Ping-Pong Effect" patented technology

This invention puts forward a switch method between 3G netwqork and WIFI network, which differentiates the switch between a cellular network and the WIFI network into different kinds to switch and judge based on the position information of periodic measurement commonly provided by the network and the terminal and the information of the velocity and directions and angles along with it to increase the switch efficiency among heterogeneous networks and reduce unnecessary switch times.

The invention discloses self-organization operation processing method and device. The method comprises the following steps of receiving one or more self-organization operation information of the same operation object; determining the mode of each self-organization operation of one or more self-organization operations according to coordination strategies; and performing each self-organization operation according to the performing mode of each self-organization operation. By the method, the self-organization operations of which each SON (Self Organizing Network) needs to be automatically performed can be performed in a controllable state so as to effectively avoid the pong effect.

The invention provides a method for balancing inter-cell load in an LTE mobile communication network. The invention reduces the range of seeking a terminal which meets load balancing switching by marking the terminal which meets the requirement of load balancing switching by utilizing a balancing event measurement report, thereby shortening the load balancing execution time; and in addition, the invention better realizes the inter-cell load balancing through periodic load balancing processing and two-step load balancing switching processing, prevents new load unbalancing generated by the load balancing process, enhances the load balancing convergence rate, effectively prevents the ping-pong effect, effectively reduces the network overhead because neighbour cells can report respective resource states only after a current cell is overload, enhances the utility ratio of wireless resources and reduces the dropped call rate.

The invention provides a method for clustering districts which comprises the following steps of: dividing each district into a district marginal area and an inner area according to a wireless position of the district and organizing a plurality of adjacent district marginal areas into a virtual district. The invention also provides a wireless resource scheduling method based on the method for clustering districts, a movement management method, a district pilot frequency design method, a communication network and a resource scheduling system.

The invention discloses a cell reselection method and a cell reselection terminal, which can be used for controlling the cell selection of a terminal which can support a first wireless access technical network and a second wireless access technical network and is resided in a cell of the first network currently. In the invention, the method comprises the steps following that: the terminal determines a target cell, wherein the target cell is a cell of the second wireless access technical network; the terminal acquires cell residence parameters of the target cell; and the terminal judges whether the target cell meets the cell residence conditions according to the acquired cell residence parameters, and if the target cell meets the cell residence conditions, the terminal determines that the target cell is a reselected cell. The cell reselection method and the cell reselection terminal have the advantages of reducing unnecessary cell selection in related technology, reducing failure times of the reselection, avoiding the ping-pong effect of the cell reselection, reducing the calculation consumption and power consumption of the terminal, avoiding bad influence of the frequent switching of the wireless access technical networks on the services of the terminal and improving the selection property of the wireless access technology.

The present invention provides a method for cell selection and reselection, a terminal, a base station, and a core network entity, and relates to the technical field of communications. The method forcell selection and reselection is applied to the terminal and comprises the following steps: acquiring service-related information supported by each piece of target information in a preset number of pieces of target information, wherein the target information comprises a frequency point and / or a cell; and carrying out selection and / or reselection on the cell in which the terminal in an idle stateor an inactive state is resident according to the service-related information. In the embodiment of the invention, the terminal carries out selection and / or reselection on the cell in which the terminal in the idle state or the inactive state is resident, so as to perfect the 5G communication process, thereby ensuring the reliability of network communication.

A measurement report method and apparatus of a user equipment is capable of improving system performance in a wireless communication system in which macro and Closed Subscriber Group (CSG) cells are co-located. An inter-frequency measurement report method of a user equipment in a wireless communication system including macro and Closed Subscriber Group (CSG) cells according to the present invention includes performing measurements for all cells identified by unique Physical Cell Identifiers (PCIs); determining whether at least one cell of which measurement fulfills inter-frequency measurement report events; checking, if at least one cell of which measurement fulfills inter-frequency measurement report events, a type of a best cell among the at least one cell in measurement; and transmitting, if the best cell is a macro cell or an accessible CSG cell, the inter-frequency measurement report to a serving base station.

The embodiment of the invention discloses a service processing method and a service processing device based on D2D (Device-to-Device) relay communication. The service processing method comprises the following steps: keeping connection with first relay equipment when return link weakening indication information of the first relay equipment is received; and releasing connection with the first relay equipment if second relay equipment is searched after the return link weakening indication information has been received for a preset time T, and establishing connection with the searched second relay equipment. By means of the technical scheme provided by the embodiment of the invention, remote equipment is only connected with the second relay equipment after waiting for the preset time T, so that ping-pong effects of the remote equipment while relaying is switched are avoided.

The embodiment of the invention provides a method and device for switching visible light communication and a WiFi heterogeneous system. The method comprises the following steps: obtaining QoS parameters of all candidate networks in an initial switching state, wherein the QoS parameters comprise an available bandwidth, end-to-end delay, jitter and a bit error rate; based on the QoS parameters of each candidate network, performing normalization and fuzzification processing on the QoS parameters to obtain fuzzy values and weight values of the parameters in the QoS parameters; based on the fuzzy values and the weight values, obtaining the performance evaluation value of each candidate network by using a fuzzy rule, and switching from the current network to a candidate network with the performance evaluation value satisfying preset conditions. According to the method provided by the embodiment of the invention, switching decision is performed on the problems that the parameters change in real time and that accurate modeling is difficult to implement during the network switching according to the fuzzy rule, and no accurate modeling analysis needs to be performed on the heterogeneous network, thereby improving the switching speed and avoiding the "ping-pong effect".

The invention relates to a residential quarter switch method, and belongs to the technical field of wireless communication. The method comprises the following steps that UE continuously detects reference signal received power RSRP of a current serviced residential quarter and an adjacent residential quarter, and data smoothing is performed on the RSRP to judge whether the PSRP meets a switch triggering condition or not, if the PSRP meets the switch triggering condition, a time TTT timer is triggered to begin to time and perform step two, otherwise if the PSRP does not meet the switch triggering condition, the RSRP is continued to be detected; when the UE sends a pre-switch request message to the current serviced residential quarter, the current serviced residential quarter determines a UE pre-switch candidate residential quarter set according to the received message; the current serviced residential quarter notices a pre-switch candidate residential quarter to perform pre-switch preparation; if the TTT fails and the switch triggering condition detected by the EU is still met, a switch indication is sent to the current serviced residential quarter; the current serviced residential quarter determines a switch target residential quarter according to a measurement report; the current serviced residential quarter notices the switch target residential quarter to perform switching. The method can effectively reduce ping-pong effect and switching delay, and improve QoS experience of a user.

The invention provides a self-organization network parameter configuration control method. The method comprises the following steps of: policy management: generating and maintaining parameter modification policy items by a parameter configuration control device; and parameter modification: modifying parameters by a self-organization network functional device according to corresponding parameter modification policy items to realize corresponding self-organization network functions. The self-organization network parameter configuration control method and the parameter modification control system effectively control the modification of the self-organization network parameters and avoid the ping-pong effect.

The embodiment of the invention provides an information processing method and an electronic device, which are used for avoiding ping-pong effect in WiFi antenna switching. The method comprises the following steps of: when a first signal strength parameter of a first WiFi antenna working currently of the electronic device is lower than a threshold value and the first WiFi antenna needs to be switched, acquiring a second signal strength parameter of a second WiFi antenna to be switched possibly; judging whether difference between the second signal strength parameter and the first signal strength parameter is greater than a threshold value or not, wherein the second signal strength parameter is greater than the first signal strength parameter; when the difference between the second signal strength parameter and the first signal strength parameter is greater than the threshold value, switching to the second WiFi antenna, thereby making the second WiFi antenna be in a working state.

The invention provides a differentiation system quick return method and a terminal. The method comprises the steps that before a first system switches to a second system, the terminal receives a first indication message sent by the first system; the first indication message comprises the threshold of the first system, which is quickly returned by the terminal; after the first system switches to the second system, the terminal receives a second indication message sent by the second system; the second indication message comprises first frequency point information of the first system, which is corresponding to an identifier LAI of the current location area of the terminal; whether the network quality of a first cell corresponding to the first frequency point information of the first system meets the threshold of the first system, which is quickly returned by the terminal is detected; and if meeting is realize, access the first cell is carried out. According to the invention, ping-pong effect and signaling consumption, which are caused due to the fact that the network quality of the cell is poor when the terminal carries out quick returning, are avoided; the terminal can stably and reliably return the system which preferentially resides from a differentiation system; and the user experience is improved.

The invention discloses a ground-air wideband communication switching method and system under a high-speed moving condition. The ground-air wideband communication switching method comprises the following steps that: a current base station acquires aircraft position information and aircraft posture change information from aircraft-mounted terminal equipment; the aircraft-mounted terminal equipment measures and reports the signal quality of the current base station; the aircraft-mounted terminal equipment starts to measure a transmitting signal of a neighboring base station and reports the signal quality of the neighboring base station according to the signal quality of the current base station or a switching measurement request sent by the current base station; the current base station performs cross-region switching from the current base station to the neighboring base station according to the aircraft posture change information, the signal quality of the current base station and the signal quality of the neighboring base station. According to the ground-air wideband communication switching method and system disclosed by the invention, an effective switching decision can be made when the signal strength received by a terminal becomes weak according to position information and gesture information of an aircraft, so that performance reduction caused by ping-pong effect and too late switching decision can be avoided, in-time, effective, quick and smooth switching can be realized, and therefore service quality of ground-air wideband business is finally ensured.

The invention relates to the technical field of wireless short-distance communication in an Internet of Vehicles system, in particular to an Internet of Vehicles mobility management method based on CDN and MEC. The method comprises the following steps: when vehicle mobility management is performed under a CDN and MEC integration framework, determining a connection with an RSU by adopting a resource optimization principle, and processing a task generated by a vehicle through the connection; if the vehicle performs switching between RSUs, determining a switching position by adopting a dynamic channel allocation algorithm of overhead selection, and calculating the optimal vehicle switching time according to the switching position; if the vehicle is migrated, determining the computing resourceallocated to the vehicle by the MEC by adopting a cooperative game algorithm based on RSU scheduling, and solving the optimal price of the computing resource. According to the method, virtual machinemigration is carried out by adopting a cooperative game algorithm scheduled by roadside units, and a price control mechanism based on learning is developed, so MEC computing resources are effectivelyprocessed, the resource utilization rate is increased, and the overhead is reduced.

A method for supporting a handover in a Broadband Wireless Access communication system which includes a MSS, a serving BS, and a plurality of neighbor BSs, in which each of the BSs includes cells using sub-channel bands different from each other, the method including the steps of measuring, by the MSS, intensities of signals received from the serving BS and the neighbor BSs, and transmitting to the serving BS a request for a handover based on the measured signal intensities; and establishing a simultaneous connection with the serving BS and a target BS in a handover area, thereby performing a soft handover, wherein the serving BS and the target BS allocate the same sub-channel including the same sub-carriers to the MSS at the same time when the MSS performs the soft handover.

The embodiment in the invention discloses a method for reporting an event, which comprises the following processes: when a link layer judges whether the link parameter value exceeds the threshold, the link layer then continuously judges whether the lasting time of that the link parameter exceeds the threshold exceeds a presupposition chronaxia. If the result is that the lasting time of that the link parameter exceeds the threshold exceeds a presupposition chronaxia, a change situation of the link parameter is reported. Correspondingly, the embodiment in the invention also discloses a reporting device. The technology proposal provided by the embodiment can allow the network to maintain a more stable state and avoid a frequent event reporting caused by instantaneous variations of the link parameter existed in the prior art.

The invention provides a base station energy-saving control method and base station energy-saving control equipment, and belongs to the field of mobile communication. The base station energy-saving control method comprises the following steps that: the base station energy-saving control equipment acquires the load information of each cell in a cell set; the base station energy-saving control equipment determines the sequence of energy-saving operation of each cell according to the load information; and the base station energy-saving control equipment indicates each cell to perform the energy-saving operation according to the sequence of the energy saving operation. By the method and the equipment, a ping-pong effect is prevented during energy-saving treatment.

The invention discloses an unmanned aerial vehicle one-station multi-machine system air-ground data link channel allocation method, and aims to provide a link channel allocation method capable of reducing the operation complexity and improving the channel resource reuse degree. The method is realized through the following technical scheme: a ground control station obtains unmanned aerial vehicle platform position information, counts the number of air-ground data links, calculates included angles between every two air-ground data links, and performs descending order arrangement on all includedangle values; then, starting from the air-ground data link corresponding to the maximum included angle, a 'super link' is constructed according to the relation between the included angle between the links and a 'multiplexing threshold', and the number of the air-ground data links contained in the super link is taken as the weight of the super link; the ground control station iteratively performs the super link merging process until no super link which can be further merged exists, and the channel resources are evenly distributed to each super link; and after the distribution process is finished, the channel distribution result is sent to the unmanned aerial vehicle platform through the uplink air link.

The invention relates to a stream switching-based group switching method in a heterogeneous wireless network. The conventional service stream is generally loaded by the same terminal, and the network selection may be limited by the type and the number of wireless interfaces of the terminal. Under a group mobile scene of the wireless heterogeneous network, a centralized joint radio resource management (JRRM) entity acquires information such as available bandwidth of each network, positions of all terminals in a group, access capacity and the like, works out an overall switching judgment, and can effectively support separate network selection of the service stream. The method specifically comprises initiation of group switching, judgment of group switching and execution of group switching. Aiming at the group mobile scene, the centralized JRRM for switching judgment is adopted, so that the ping-pong effect caused by simultaneous switching of multiple terminals is avoided.

The invention discloses a method and a system for eliminating neighbor cell interference. The method comprises the following steps of: separating an inner ring area and an outer ring area from a base station coverage area; mutually negotiating occupied frequency bands by neighbor base stations so that occupied frequency bands of respective outer ring areas are mutually different; transmitting a detecting signal to a terminal in the coverage area by the base station; judging the type of the user which corresponds to the terminal on the basis of a feedback signal generated by responding the detecting signal through the terminal, wherein the user is an inner ring user or an outer ring user; and applying the frequency band which corresponds to the type of the user by the base station on the basis of a judging result of the user type. Due to the adoption of the technical scheme of the invention, the type of a user in a cell in a WiMAX (Worldwide Interoperability for Microwave Access) common-frequency networking system can be accurately judged, particularly the ping-pong effect which is probably generated by a user positioned on an inner and outer ring boundary can be avoided and the performance of the whole network can be improved by a self-adapting threshold value adjusting algorithm.

The invention provides a method for selecting relay UE in D2D communication. The method comprises the following steps of through a discovery signal sent by the relay UE, acquiring relay UE information; selecting the relay UE satisfying an access demand and measuring signal quality of the discovery signal; selecting the relay UE whose signal quality is greater than a threshold 1as candidate relay UE; sorting the signal quality of the discovery signals of the candidate relay UE; and selecting the candidate relay UE whose sort is risen fastest and whose signal quality belongs to a first N rank as target relay UE, or selecting the candidate relay UE with the best signal quality as the target relay UE. In the invention, the relay UE can be reasonably selected and a ping-pong effect can be avoided during relay UE selection.

The present invention provides a method and an apparatus for improving a circuit-switched fallback in a wireless communications system in which user equipment can communicate via a first radio access technology and a second radio access technology. A method for improving circuit switched fallback for a user equipment (UE) in a wireless communications system, herein the UE is capable of communicating via first and second radio access technologies (RATS), including: determining that a connection has been released, wherein the connection is associated with a second network corresponding to the second RAT; starting a timer providing a period of time when the connection has been released; and stopping e timer after a condition is satisfied. The method and the device for a circuit-switched fallback in a wireless communications system provided by the invention provide the time period by using the timer, which can effectively avoid the ping-pong effect and further enhance the user experience.

The invention discloses a method and device for performing vertical handoff among heterogeneous networks, which are applied to a mobile terminal. The method comprises the following steps: monitoring signal intensity of a first network; when the signal intensity of the first network meets a preset handoff condition, determining effective data corresponding to the first network in a pre-obtained network service list which sequentially records history service data, aiming at every vertical handoff, of a network before vertical handoff; according to the effective data, determining accumulated service time length of each candidate network in a candidate network set; obtaining network parameters of each candidate network; according to the accumulated service time length and the network parameters of each candidate network, determining a network evaluation value of each candidate network; and according to the size of the network evaluation value of each candidate network, determining whether to perform the vertical handoff. By adopting the technical scheme provided by embodiments of the invention, the times of handoff is reduced, the ping-pong effect is avoided, and the user experience is improved.

The present invention discloses an indoor and outdoor integrated positioning and navigation method and system, and relates to the field of positioning fusion. The method comprises: step 1: obtaining GPS, Bluetooth and inertial positioning data; step 2: after performing adaptive weighting, Kalman filtering and distance-based correction on the positioning data to complete positioning solving to obtain a final positioning point; step 3: performing point set division on a navigation line to obtain a reference point for projection calculation, and using a sliding window and curve geometric projection to project the final positioning point onto the reference point of the navigation line to obtain a projection point; and step 4: using the projection point for navigation and map display. Accordingto the technical scheme of the present invention, an adaptive weighting and Kalman filtering model is used to obtain a smooth positioning result, and distance-based correction is performed on the result to obtain stable and accurate positioning, so that the difficulties of the calculation amount, the real-time performance and stability caused by the fusion of inertial positioning, Bluetooth positioning and GPS positioning are overcome, and smooth indoor and outdoor integrated positioning and navigation can be achieved.

The invention discloses a satellite beam switching method based on multiple dimensions. When being applied to a satellite terminal, the method comprises the following steps: monitoring to-be-switchedindex information of the current satellite terminal, wherein the to-be-switched index information comprises original beam receiving signal intensity at the current moment, receiving signal intensity of each adjacent beam, channel quality, available resources of each adjacent beam and position coordinates of each adjacent beam; obtaining a switching threshold maximum value according to the to-be-switched index information so as to carry out the beam switching of the satellite when the gateway station judges that the switching threshold maximum value meets a preset condition. When being appliedto a gateway station, the method comprises the following steps: receiving to-be-switched index information and a switching threshold maximum value sent by a satellite terminal; when that the switchingthreshold maximum value meets a preset condition, carrying out satellite beam switching on the mobile terminal, wherein the switching threshold maximum value is obtained through calculation of to-be-switched index information. According to the method disclosed in the invention, excessive network overhead caused by beam switching can be reduced, and the switching efficiency and the communication quality are improved.

The present invention concerns a rotor blade mold for producing a rotor blade of a wind power installation or a part thereof comprising a heatable mold portion having a shaping surface for shaping the rotor blade surface and wherein the heatable mold portion has at least two heating portions and each heating portion includes at least one electrical resistance heating element arranged at or beneath the shaping surface and a supply unit for supplying the at least one resistance heating element with electrical heating current.

The invention provides a multi-mode control method based on a mobile intelligent terminal, and the method carries out the business switching through the layered software framework design, customized and manual control network control mode, single-business channel selection and multi-service channel selection communication network selection. The method provided by the invention can effectively avoid the ping-pong effect of channel selection, is not limited to the communication access technology that a terminal has, and can be widely used for an intelligent terminal with various types of communication technologies.

Disclosed is a node for a communication system, configurated to communicate with a mobile node through a first connection, and communicate with a third node through a first transmitting path. After initiating the switch from the first connection to the second connection between the mobile node and the object node, the data are transmitted to a third node, used for transmitted to the object network node through a second transmitting path. The third node is configurated to receive the data and transmit to the object network node.