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Method for publishing and searching mobile self-networking resource as well as mobile self-networking network node equipment

A mobile ad hoc network, resource publishing technology, applied in the field of computer and communication

Inactive Publication Date: 2009-01-28
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The embodiment of the present invention provides a method for publishing and searching resources in a mobile ad hoc network and its network nodes, so as to solve the problem that in the prior art, fast Issues with resource publishing and searching

Method used

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  • Method for publishing and searching mobile self-networking resource as well as mobile self-networking network node equipment
  • Method for publishing and searching mobile self-networking resource as well as mobile self-networking network node equipment
  • Method for publishing and searching mobile self-networking resource as well as mobile self-networking network node equipment

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Embodiment Construction

[0034] The embodiment of the present invention is based on a hierarchical distributed index structure (Hierarchical Geographic-information-based Index, HGI) based on geographic location information. By determining the geographical coverage of the mobile ad hoc network, the geographical coverage of the mobile ad hoc network is divided into sub-areas step by step until the coverage of the lowest sub-area after division is less than or equal to the wireless communication coverage of the mobile ad hoc network nodes Scope; the lowest level of sub-area is defined as the unit area; the source node with resources in the mobile ad hoc network determines the sub-area of ​​each level to which it belongs according to its own geographical coordinates and the division results of all levels of area; according to the corresponding key value of the resource and the area boundaries of the sub-areas at all levels, use the hash algorithm to calculate the hash points corresponding to the areas at a...

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Abstract

The invention provides an HGI structure at first, according to a practical geographic coordinate, the coverage area of a mobile ad hoc network is divided into a plurality of subareas step by step till the divided subareas at the lowest level are unit areas; nodes with resource data are respectively corresponding to each unit area on the basis of a geographic coordinate in which the nodes position; and index nodes corresponding to each level of areas maintain the index information of the nodes according to the geographic coordinate of the areas. Then, the invention provides a method for positioning and searching a series of resources such as a node join network, a node leave network, node movement and resource searching based on the HGI structure for a P2P node. The method effectively combines the characteristics of MANET and P2P technology, and improves the extensibility and efficiency of the prior P2P protocol when run on the MANET and the adaptability to node movement.

Description

technical field [0001] The invention relates to the field of computer and communication technology, in particular to a method for releasing and searching resources of a mobile ad hoc network and a node device of the mobile ad hoc network. Background technique [0002] Mobile computing devices and mobile communication devices (such as notebook computers, PDAs, mobile phones) have brought revolutionary changes to the information society, and we are moving from the era of personal computing to the era of mobile computing. With the popularization of Mobile Ad-hoc Network (MANET), applying peer-to-peer network (Peer-to-Peer, P2P) related technologies to MANET has become a research hotspot, and its application prospect is also very promising. look good. [0003] P2P is a very popular network application technology for broadband networks at present, and is considered to be a key technology representing the future of broadband Internet. According to the different storage and searc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04Q7/36G06F17/30
Inventor 吴华锋何均宏孙冰辛怀声周强高传善
Owner HUAWEI TECH CO LTD