Stable energy-saving group maintenance method
A stable and leader technology, applied in energy-saving ICT, energy consumption reduction, sustainable buildings and other directions, can solve the problems of high passive maintenance overhead, unbalanced energy consumption, poor fairness of nodes acting as leader, and achieve balanced energy consumption, Guaranteed stability and wide adaptability
Inactive Publication Date: 2007-09-12
BEIHANG UNIV
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[0007] The purpose of the present invention is to provide a stable and energy-saving grouping maintenance method, through the event-driven group leader polling mechanism, the stability of the grouping structure can be effectively guaranteed in a highly dynamic mobile environment, and at the same time, the fairness of the node acting as the group leader can be ensured, effectively Solve the technical defects of the existing technology, such as high passive maintenance overhead, poor fairness of nodes acting as group leaders, and unbalanced energy consumption
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[0026] Fig. 1 is the flowchart of the stable energy-saving group maintenance method of the present invention, specifically:
[0027] Step 10, monitoring network topology;
[0028] Step 20, judging whether the detected event is to replace the group leader, if so, execute step 30, otherwise execute step 40;
[0029] Step 30, replace the group leader operation, perform step 50;
[0030] Step 40, calling the corresponding processing program according to the event to update and maintain the grouping structure;
[0031] Step 50, the group leader polls the member nodes in the group and updates the candidate nodes.
[0032] The above technical solution realizes an event-driven and active grouping maintenance method. Triggered by events, the group leader updates the network topology information in a polling manner, and then performs necessary maintenance on the grouping structure, and selects according to the node The weight size elects a candidate node as the backup group leader, w...
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This invention relates to a stable energy grouping maintenance methods, including: monitoring network topology; judging whether observed events replace the first group, if it is the first round of group members within the group and update the candidate nodes; Otherwise, according to the incident call handling procedures to maintenance update, the first round of group members within the group and update the candidate nodes. The invention through incident triggered of the first groups to polling mode network topology information on the necessary updates, thus to necessary maintenance for the grouping structure, to choose standby node as first election candidate group decrease of the exchange of information. The present invention also through introduction of the concept of the right to choose the election as the first group of criteria to ensure that the nodes of the first group to play fair, to reduce the grouping number of the tendency to safeguard the process of structural renewal.
Description
technical field [0001] The invention relates to a method for maintaining a network layered and distributed structure, in particular to an event-driven, stable, energy-saving and group maintenance method. Background technique [0002] In a highly dynamic mobile ad hoc network, a pre-determined network structure needs to be formed through an ad hoc process before communication, in order to realize support, control and management of communication. These network structures are usually divided into three categories: fully distributed, hierarchically distributed, and centralized. Among them, in order to support the wireless, multi-hop, and mobile characteristics of the self-organizing network, the hierarchical distributed structure (ie, the group structure) is the most effective control and management method. The grouping structure is to use the grouping protocol to divide all the nodes in the entire network into multiple connected groups centered on the group leader (CH). The gr...
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Login to View More IPC IPC(8): H04L12/24H04L12/26H04L12/28
CPCY02B60/33Y02D30/50
Inventor 张军宋学贵刘凯程连贞
Owner BEIHANG UNIV