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Ad hoc network system based on static formation clustering

An ad-hoc network and static technology, applied in the direction of network topology, advanced technology, electrical components, etc., can solve the problems of high routing control signaling overhead, large end-to-end delay, and not fully utilizing the characteristics of static formation topology

Inactive Publication Date: 2016-10-05
BEIJING XINWEI TELECOM TECH
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  • Claims
  • Application Information

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Problems solved by technology

This method can ensure the real-time performance of intra-cluster services. For inter-cluster services, when there are many hops between the source and destination node pairs, there will be a large end-to-end delay.
And because the routing lookup based on flooding is adopted between clusters, all nodes need to broadcast routing request messages, and the overhead of routing control signaling is relatively large
At the same time, this method does not take full advantage of the topological characteristics of the static formation

Method used

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  • Ad hoc network system based on static formation clustering

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Embodiment

[0036] Example: take figure 1 Intra-cluster and inter-cluster routing in the topology shown as an example:

[0037] 1. Intra-cluster routing:

[0038] The traditional active routing OLSR is used in the cluster. Each node periodically sends topology control information with link quality, and other nodes in the cluster forward the message to obtain the connection relationship between all nodes in the cluster. Based on the connection matrix , using the Dijkstra algorithm to calculate the routing table based on the link quality;

[0039] 2. Inter-cluster "virtual routing":

[0040] Take the cluster head node A of cluster 1 as an example.

[0041] (1) A periodically generates a cluster head message, which contains A's own ID and the IDs of the cluster heads B and M of the surrounding neighbor clusters 2 and 4;

[0042] (2) A multicasts the cluster head message to all gateway nodes in cluster 1 through active routing in the cluster (if there is only one gateway node, then unicas...

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Abstract

The invention provides an Ad hoc network system based on static formation clustering. Cluster partition is carried out according to a static formation structure, each cluster is internally provided with at least one cluster head node and at least one gateway node, and the gateway node is the node capable of direct communication with at least one node of another cluster; and each cluster head builds and maintains a virtual routing table between cluster heads. Thus, small end-to-end time delay can be provided inside each formation and between formations, the topological structure characteristics of the static formation are made full use of, the control signaling overhead of the whole network is reduced, and the node energy loss is saved.

Description

technical field [0001] The invention relates to a wireless ad hoc network, in particular to an ad hoc network system based on static formation and clustering. Background technique [0002] The mobile ad hoc network is a multi-hop ad hoc network composed of multiple nodes through wireless links. It has the characteristics of no central node, dynamic network topology changes, and does not depend on any fixed network infrastructure. Therefore, it can realize fast networking. Can be widely used in military communications. [0003] In military operations, a combat system with the formation as the basic combat unit is often formed. The internal management of the formation is unified, and the formations work collaboratively, which has strong mobility and flexibility. During the marching operation or the rest of the garrison, the internal structure of the formation is basically fixed and has the characteristics of a static formation. In the application scenario of this organizatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/24H04W84/18
CPCY02D30/70
Inventor 施钱宝孙鹏董付现李静叶
Owner BEIJING XINWEI TELECOM TECH