Method for forming and maintaining Ad Hoc network local topology in WINCE

A 1.WINCE, local topology technology, applied in network topology, wireless network protocols, electrical components, etc., can solve problems such as route reconstruction, speed up route discovery process, communication link instability, etc., to reduce control load, alleviate The effect of route rediscovery process and route maintenance is convenient and fast

Inactive Publication Date: 2011-02-09
XI AN JIAOTONG UNIV
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Problems solved by technology

[0005] In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides a method for forming and maintaining a local topology of an Ad Hoc network under WINCE, mainly analyzing the formation and maintenance of a local topology from the perspective of code implementation, and solving the implementation process of a wireless network routing protocol in a real environment The problem of continuous route reconstruction caused by the instability of the communication link in the middle, and accelerate the route discovery process at the same time

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  • Method for forming and maintaining Ad Hoc network local topology in WINCE

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[0017] Referring to Figure 1 (a), (b), where 1, 4, and 5 are nodes in the network, and any two nodes are within the communication range, as shown in Figure 1 (a), each node only maintains The two-way neighbor of the node is enough, and the topological diagram obtained by using the present invention is represented by a linked list as shown in Figure 1(b), where 4 is the current node, LT represents the local topology, and G represents that the current node is an ordinary node, which is similar to the high-power node correspond.

[0018] Referring to Fig. 2 (a), shown in (b), wherein 1, 4, 5, 6 are nodes in the network, in a slightly complicated situation, as shown in Fig. 2 (a), 4 is the current node, and Node 1 is not within the communication range of the current node. To obtain a comparatively detailed topology at this time, it is necessary to exchange information between nodes, such as a two-way neighbor list or local topology information. Utilizing the present invention, th...

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Abstract

The invention discloses an Ad Hoc network local topology formation and maintenance method under WINCE. The invention can provide a topology formation and maintenance method under real environment and can facilitate routing discovery and maintenance by local topology formation and maintenance in wireless routing protocol driven by NDIS under Windows CE. The invention can adapt to network mobility,deal with bidirectional neighbor relation preferably and solve unidirectional link problem preferably.

Description

technical field [0001] The invention belongs to heterogeneous point wireless mobile self-organizing network (Ad Hoc network), and is mainly applied to the realization of wireless routing protocol under the Windows CE platform, and particularly relates to the formation and maintenance method of the local topology of the Ad Hoc network under the WINCE. Background technique [0002] Currently, there are two main types of research on routing protocols in wireless Ad Hoc networks: [0003] The first is a research-oriented method, which is to design an ideal network model or routing protocol to maximize network performance in certain scenarios, such as similar points or heterogeneous points, military or civilian scenarios, including packet receiving Rate, delay, throughput, etc., to achieve the best communication effect. This method mainly uses simulation to simulate and verify the performance of the protocol. The main advantage is that the simulation can not take too much into a...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W80/00H04W84/18
Inventor 杨新宇叶安华亢旭赵鹏黄钺峰
Owner XI AN JIAOTONG UNIV
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