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6LoWPAN-based nested mobile network routing optimization method

A technology of mobile network and optimization method, applied in the direction of network topology, wireless network protocol, electrical components, etc., can solve the problems of increasing routing overhead, increasing network moving cost, shortening routing time, etc.

Active Publication Date: 2011-01-26
JIANGSU TRIGIANT TECH +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, nested mobile network routing optimization at home and abroad has been studied and corresponding solutions have been proposed, but the proposed solutions have the following problems: 1) The data message must pass through at least one home agent and the corresponding tunnel to reach the destination node, so , the routing path passed by the data message is not the best path, and further routing optimization is still needed to reduce the routing cost and shorten the routing time; 2) the route is established by means of additional command messages, which increases the cost of establishing the route; 3) it needs to increase Additional network equipment or software support that increases the cost of network mobility

Method used

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  • 6LoWPAN-based nested mobile network routing optimization method
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  • 6LoWPAN-based nested mobile network routing optimization method

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Embodiment Construction

[0071] figure 1 It is a schematic diagram of the 6LoWPAN network architecture of the present invention, the 6LoWPAN network is divided into a plurality of personal area networks (Personal Area Network, PAN), a personal area network accesses the IPv6 Internet through an access node, and the personal area network includes access node and more than one mobile network, a mobile network includes a mobile router and more than one mobile network node, the access node and all mobile routers are constructed into a tree structure, and the tree structure is constructed into a routing system, the tree The root node of the shape structure is an access node, and the intermediate nodes and leaf nodes are mobile routers. The personal area network accesses the IPv6 Internet through the access node, and the access nodes communicate through the IPv6 Internet in a multicast manner.

[0072] figure 2 It is a structural schematic diagram of the IPv6 address of the access node and the care-of addr...

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Abstract

The invention provides a 6LoWPAN-based nested mobile network routing optimization method. A 6LoWPAN network consists of more than one personal area network which comprises an access node and more than one mobile network comprising one mobile router and more than one mobile network node, wherein the access node and the mobile router are formed in a tree structure; and the mobile router realizes routing through the tree structure automatically. In the invention, the mobile network node can communicate with a communication node without the home proxy of the mobile router of the mobile network and without establishing a channel, the mobile network node can judge if a target communication node is in the same 6LoWPAN network as the mobile network node accurately according to the IPv6 address of the communication node, and thus, an optimal routing path to the target communication node is established and data transmission delay is shortened.

Description

technical field [0001] The present invention relates to a nested mobile network routing optimization method, in particular to a nested mobile network routing optimization method based on 6LoWPAN (IPv6 over Low Power Wireless Personal Area Networks, IPv6 low power wireless personal area network). Background technique [0002] With the continuous growth of user demand for mobile services and the continuous emergence of various new services, the 6LoWPAN (IPv6 over Low Power Wireless Personal Area Networks) network can only obtain greater application space if it provides good network mobility support. [0003] The 6LoWPAN network is connected to the access router of the IPv6 Internet through the 6LoWPAN access node, so as to realize the communication between the 6LoWPAN network and the IPv6 Internet. In a 6LoWPAN network, when a mobile network moves to a new location, if the mobile router of the mobile network cannot obtain the care-of address directly from the 6LoWPAN access no...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W80/04H04W84/12
Inventor 王晓喃
Owner JIANGSU TRIGIANT TECH
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