385 results about "Neighbor relation" patented technology

Disclosed are system and method for controlling a network traffic. According to the invention, all switches connected with the same VLAN are allowed to share an inherent ID of each switch, a port ID connecting the switches and information about a bandwidth so as to calculate an optimized path that each switch is connected to other switches. For doing so, each switch is systematically structured to comprise a computation module capable of structuring a neighbor relation with other switches, a computation module capable of exchanging/sharing the switch state D/B with the other switches, and synchronizing a corresponding switch state D/B, a computation module capable of creating/updating a switching table, and a computation module capable of switching and flooding a received data frame through an optimized path with reference to the created/updated switching table.

An apparatus and method for configuration and optimization of an Automatic Neighbor Relation (ANR) in a wireless communication system are provided. The method of configuring the ANR by a Base Station (BS) in the wireless communication system includes receiving a measurement report message for reporting a neighbor cell's signal quality from one or more User Equipments (UEs), determining a neighbor cell, reported from a UE in an area where a serving cell's signal quality is greater than a first reference value, as an Overlay Neighbor (ON), among neighbor cells reported using the measurement report message, and determining a neighbor cell, reported from a UE in an area where the serving cell's signal quality is less than a second reference value, as a Horizontal Neighbor (HN), among the neighbor cells reported using the measurement report message, wherein the second reference value is set to a value smaller than the first reference value.

A method and system for improving a call drop caused by a Radio Link Failure (RLF) before handover triggering in a mobile communication system are provided. The method of improving the call drop caused by the RLF in the mobile communication system includes detecting an RLF occurring before handover triggering (RLF_before_HO), generating one of an RLF_before_HO-dependent statistics and an RLF_before_HO-dependent log file, transmitting the one of the RLF_before_HO-dependent statistics and the RLF_before_HO-dependent log file to a serving Base Station (BS), and updating a Neighbor Relation Table (NRT) and optimizing a handover parameter using the one of the RLF_before_HO-dependent statistics and the RLF_before_HO-dependent log file.

The present invention discloses an intelligent social network recommender system. The system comprises: a data obtaining module and a data processing module, wherein the data obtaining module is used for carrying on webpage data crawling and storing the data into a database, and the data processing module is used for carrying on website data crawling, establishing a social network with a user as a node and an interaction of users as an edge relationship, wherein one user edge relationship is occurred by generation of one interaction of the users in the network, otherwise no user edge relationship, and the users with the edge relationship present a neighbor relation and a establishment of a communication network of the social network is finished; and dividing communities by a community division algorithm, selecting an influential index according to the emphasis in different social networks, to analyze influential ranking on the user with similar characteristics in the single community, carrying on a classification of a user value with analysis of a user interest sticker, and plotting out a larger community to carry on analysis of influetial value on the users, thereby realizing an advantage of improving the identification accuracy of important users in the social network.

The invention discloses a cross-model Hash retrieval method on the basis of cooperative training and matrix decomposition. By the aid of the cross-model Hash retrieval method, the similarity between models and the internal similarity of the models can be effectively constrained for unlabeled cross-model data. The cross-model Hash retrieval method includes implementation steps of acquiring original data and carrying out normalization processing on the original data; carrying out cooperative training to obtain constraints between the models; acquiring internal constraints of the models by the aid of neighbor relations; decomposing training data matrixes and adding the constraints between the models and the internal constraints of the models into the training data matrixes to obtain objective functions; carrying out alternate iteration to obtain expressions of basis matrixes, coefficient matrixes and projection matrixes; carrying out quantization to obtain Hash codes of training data sets and test data sets; computing the Hamming distances between every two Hash codes of the data sets; sorting the Hamming distances to obtain retrieval results. The cross-model Hash retrieval method has the advantages that constraints on the similarity between the models of the cross-model data can be obtained by the aid of cooperative training processes, accordingly, the image and text mutual retrieval performance can be improved, and the cross-model Hash retrieval method can be used for picture and text mutual search service of mobile equipment, internets of things and electronic commerce.

Embodiments of the invention provide neighbor relation optimization methods and a device. One of the neighbor relation optimization methods comprises determing neighbor regions to be processed through centralized equipment according to a default rule, generating optimization suggestion according to the determined neighbors, and issuing the optimization suggestion to a radio network controller (RNC) so that the RNC performs optimization on the processed neighbors according to the optimization suggestion. The embodiments of the invention realize an automatic neighbor relation.

A method and system for operating cells in a network where macro cells and home cells coexist are provided. The method includes determining a first set of neighbor macro Base Stations (BSs) located within a predefined reference distance from a new macro BS to be newly installed, determining a second set of neighbor macro BSs having a cell region overlapping a region of a serving cell served by the new macro BS, detecting at least one sector including a contact with the cell region of the new macro BS within a cell region of each of the neighbor macro BSs in the second set, determining a neighbor cell set including the detected at least one sector, generating an initial Neighbor Relation Table (NRT) by mapping information about each of neighbor cells included in the neighbor cell set, IDentifiers (IDs) of neighbor macro BSs serving the neighbor cells, and a Physical Resource Cell IDentifier (PCID) allocated to each of the neighbor macro BSs, and providing the initial NRT to the new macro BS as neighbor BS information.

The method comprises: setting up the neighbor relation keeping messages in the distribution device and its neighbor devices; generating the neighbor relation keeping message in the interface in the distribution device; when the sending cycle of each pre-determined message comes, said neighbor relation keeping messages are sent to the said neighbor devices; said neighbor devices decide if said neighbor relation keeping messages are received in the keep-alive interval; if yes, then keeping the neighbor relation with the distribution device; otherwise, cutting off the neighbor relation with the distribution device.

The present invention discloses a Discontinuous Reception (DRX) parameter configuration method for facilitating Automatic Neighbor Relation (ANR) measurement. The method comprises determining a traffic intensity of a User Equipment (UE) by which a DRX-based ANR measurement is to be performed. The method further comprises setting a value for a DRX parameter to be used by the UE to perform the DRX-based ANR measurement, in accordance with the determined traffic intensity of the UE. The method further comprises transmitting the value set for the DRX parameter to the UE. The present invention further provides an associated BS adapted to perform DRX parameter configuration to facilitate ANR measurement.

The embodiment of the invention discloses a method for implementing link state database synchronization. The method comprises: receiving link state notifying message; comparing the link state notifying message with that in link state database, updating link state notifying message in the link state database if the received link state notifying message is new message, transmitting the received link state notifying message to virtual neighbor with established virtual neighbor relation. Accordingly, the embodiment of the invention provides a router including circuit board, master control board and standby master control bard. The embodiment of the invention also provides a circuit board and master control board. The embodiment of the invention can simply implement link state database synchronization.

The invention discloses an automatic neighbor relation (ANR) measurement method and an apparatus thereof. The method and the apparatus are used to select appropriate user equipment (UE) to carry out cell global identity (CGI) measurement. Therefore, under the condition that a QoS feeling degree and network performance are not affected, an ANR measurement success probability can be increased. The ANR measurement method provided in the invention comprises the following steps: determining the UE which satisfies a CGI measurement condition as target UE; sending neighbor CGI measurement control information to the target UE; updating a neighbor relation table through the neighbor CGI and a neighbor physical cell identity (PCI) reported by the target UE.

The invention provides a method that virtual connection supports grace restart (GR) and a router. When the active control plate works normally, virtual connection parameter information can be backed up to a standby control plate, after the active/standby changeover happens, the standby control plate can obtain the virtual connection parameter information directly, and the virtual connection interface the state of which is UP and the common interface can take part in the in-phase of link state database (LSDB) and the reconstruction of neighbor relation together, therefore, complete LSDB is obtained; by utilizing the in-phase LSDB, after routing calculation is carried out, the LSDB is distributed to a repeater board, and virtual connection supporting GR is realized. The speed for completing GR is greatly improved, and the probability of GR failure is reduced.

The invention discloses a rapid re-routing realization method, which comprise: before the failure of a network element, a backup route of the network element is established. The network element fails, according to the backup route, the neighbor relationship of an independent multicast sparse module agreement PIM and a multicast tree are maintained. According to the maintained PIM neighbor relationship and the multicast tree, the transmitting of a multicast data is processed. At the same time, the invention discloses other two rapid re-routing realization methods. So the constringency of the one-cast IGP route agreement and the multicast data loss in the process of the re-establishing a PIM-SM multicast tree in the prior art are avoided; and the service quality is ensured.

The invention discloses a method, system and equipment for automatic neighbor relation establishment. The method comprises the steps that a serving base station receives a measurement report, which carries a PCI (physical cell identifier) of a target cell, from a terminal device and sends a request message, which is used for obtaining neighbor relation information and carries the PCI of the target cell, to a management station if a neighbor relation with the target cell is not established currently, and the management station determines the neighbor relation information of the target cell by using the PCI of the target cell; and the serving base station receives a response message, which is used for informing the neighbor relation information and carries the neighbor relation information of the target cell, from the management station and establishes the neighbor relation with the target cell by using the neighbor relation information of the target cell. According to the method, the system and the equipment, the process for establishing automatic neighbor relations can be simplified, the number of messages during the establishment of the automatic neighbor relations is reduced, the time for establishing the automatic neighbor relations is reduced, and the handover success ratio of terminal devices is increased.

The invention discloses a measuring controlling method of an inter-system neighbor relation and a base station. The method includes that a used is allowed to configure an automatic neighbor relation (ANR) control strategy according to conditions of network planning, that is, active ANR or passive ANR is selected; when active ANR is used, if a terminal has the condition of executing ANR measurement, an external frequency point or a frequency group with weight which is largest and larger than 0 is selected to perform ANR measurement, and when an ANR measurement report which is reported by the terminal at the frequency point or on the frequency group and contains a physical cell identify is received, the weight of the current frequency point or the frequency group is self-adaptively updated according to whether a cell which is represented by the physical cell identify is known or not; if the number of times of the ANR measurement report which is reported by the terminal exceeds a preset threshold value or an ANR measurement timer of the terminal exceeds the limit time, normal moving measurement restores, and if the number of times of the ANR measurement report which is reported by the terminal does not exceed the preset threshold value or the ANR measurement timer of the terminal does not exceed the limit time, waiting of receiving of the ANR measurement report which is reported by the terminal continues.

The invention provides a pseudo-three-dimensional wireless sensor network routing method based on a geographical position. The method comprises the following specific steps of: (1) establishing grids and obtaining discrete points from an electronic map; (2) determining the neighboring relation between space intersection points obtained from the electronic map, and calculating the distance between adjacent intersection points; (3) converting a distance map between three-dimensional point distribution and adjacent points into a two-dimensional map, and establishing an adjacency matrix; (4) searching the shortest path by using the graph theory; and (5) mapping the geographical position of the actual wireless sensor node to the corresponding discrete point to obtain the shortest path. The invention has the advantage of comprehensively utilizing the gridded electronic map and the Dijkstra shortest path algorithm to accurately calculate the optimal route between the transmitting node and the destination node on undulating terrain for the first time.

The invention provides an achieving method of ceaseless routing after routing protocol restarting. The method is used on network equipment where a routing protocol is operated. The method comprises the steps that neighbor data and a routing state information abstract are stored during routing protocol operation; if the routing protocol is restarted, neighbor relation over time is amplified, and current routing information is stored for packet transmitting; after routing protocol restarting is completed, according to the stored neighbor data and the stored routing state information abstract, routing state information synchronization with a neighbor according to the routing protocol is carried out; and according to routing state information after synchronization, routing information is updated. According to the technical scheme, transmitting service cannot be stopped under the situation of routing protocol restarting through single main control board network equipment, and no extra requirements on neighbor equipment exist.

The invention discloses a method for analyzing situation of a mobile network by drive test data of a sweep signal generator. The method comprises the following steps of: firstly, preprocessing the drive test data of the mobile network tested by the sweep signal generator to acquire preprocessed drive test data; secondly, analyzing the preprocessed drive test data to acquire the scene distribution situation of the mobile network; thirdly, determining the neighboring relation between network cells according to the scene distribution situation of the mobile network; and finally, outputting an analysis result or network optimization suggestion of the tested mobile network. By adopting the analysis result or the network optimization suggestion acquired by the method, network optimization personnel can realize informationization and automatization of artificial recognition, statistical analysis and the like of the mobile network situation, and the working efficiency and quality are improved.

The invention provides a multicast data forwarding method and a multicast data forwarding device applied to multi-homing networking. The method is applied to switching equipment in multi-homing networking, and includes the steps: monitoring neighbor relation messages used for establishing neighbor relation and sent by routers sharing the same network segment with the equipment; when the equipment receives the neighbor relation messages, identifying whether a campaign DR (designated router) priority value included in the neighbor relation messages is a set value or not, wherein the set value is used for indicating that the router sending the neighbor relation messages is a non-designated router; and when the campaign DR priority value included in the neighbor relation messages is not the set value, modifying the campaign DR priority value included in the neighbor relation messages to the set value, and forwarding the modified neighbor relation messages to other routers so as to trigger other routers to utilize the modified campaign DR priority value to elect the DR. By the method and the device, multiple routers can jointly bear multicast forward pressure to achieve load sharing of multicast traffic.

A method, apparatus and computer program product are provided to facilitate neighbor relation reporting. A method may include, while camping on a first cell, receiving an indication of detection of a second cell, causing initiation of cell reselection to the second cell, receiving system information from the second cell responsive to the initiation of cell reselection, causing termination of cell reselection, and causing provision of neighbor relation information to a network entity via the first cell.

The invention discloses a method for automatically recognizing various types of geometric elements in a three-dimensional point cloud, and the method comprises the steps: carrying out the preprocessing of an inputted three-dimensional point cloud, i.e., voxel filtering, building a neighbor structure based on a Kd tree, and estimating a normal vector of points; carrying out the determining of a neighbor relation of the point cloud, and carrying out the sampling of the point cloud; calculating a covariance matrix of sample point neighbor, analyzing the size relation among three characteristic values, and generating a corresponding initial geometric element model according to a coplanar rule; respectively building a corresponding energy equation according to the initial geometric element models, and carrying out the planar, spherical and cylindrical surface energy calculation according to an energy optimization frame; carrying out the loop iteration of the above steps, minimizing the energy of various types of geometric elements, solving geometric element parameters under optimal significance through employing an optimization algorithm, thereby achieving the refining of the parameters of geometric element models; and finally outputting the parameters and inner points of a plurality of types of geometric elements. According to the technical scheme of the invention, the method is wide in application range, is accurate in parameter estimation, is strong in anti-interference capability, and greatly improves the recognition and analysis capability of the three-dimensional point cloud.

The invention provides a video key frame abstract extraction method based on neighbor maintenance and reconfiguration. The video key frame abstract extraction method comprises the following steps: obtaining a video from a video database, and taking the video as a target video of a key frame abstract to be extracted; aiming at each target video, extracting each frame picture in the video to be used as an alternative picture library of the video key frame abstract; obtain global characteristics and partial characteristics of each frame picture from the alternative picture library, and representing each frame picture as one vector; calculating the similarity between the frame pictures to obtain a neighbor relation between the frame pictures; selecting an optical key frame picture which comprises main content of the video and has the smallest redundant information from the alternative picture library by adopting a neighbor maintenance and reconfiguration algorithm; and extracting the selected key frame picture to form an abstract of the target video.

The present invention provides a method of building relation with the neighborhood, comprising the follows: sending the first HELLO message and receiving the response HELLO message from the neighboring router; after receiving the HELLO message, estimating whether the DR identification or BDR identification taken by the content of the HELLO message is the local identification or not, and estimating whether the current interface receiving the HELLO message is at the WAITING state or not; in case the identification of the router is different from the local identification and the he current interface receiving the HELLO message is at the WAITING state, undertaking the DR voting. Furthermore, the present invention provides a router for the OSPF protocol system. The present invention can quickly build the neighboring relation with the neighboring router, shortening the service breaking time.

The invention relates to a method for establishing a trust model in an underwater sensor network. The method comprises steps: using a request node to perform neighbor relation determination on a target node and establishing direct trust according to data communication between the request node and the target node and the residual energy of the target node; requesting recommend trust from a common neighbor of the request node and the target node if the number of the historical communication information interaction between the request node and the target node is insufficient, and further calculating the trust value of the target node; selecting a multi-hop neighbor node to perform trust calculation if the request node and the target node are not neighbor nodes; and achieving trust assessment of the node for sensing data on the basis of node trust calculation and updating the trust value of the sensor node. The method may update the trust value of the sensor node and prevent problems of trust transmission and trust combination under the circumstance of existence of multiple recommend paths. In cooperation with sensing data trust calculation, the method achieves high precision of node trust calculation and has a wide application value.