Mobile ad hoc network routing method supporting carrying-storage-forwarding mechanism

A mobile self-organization, storage and forwarding technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as inability to work efficiently, and achieve the effect of improving reliability

Inactive Publication Date: 2018-10-02
TIANJIN UNIV
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  • Application Information

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Problems solved by technology

[0025] In order to overcome the deficiencies in the prior art, the present invention aims to propose a mobile ad-hoc network routing protocol that supports store, carry and forward mechanism, which is used to solve the problem that the existing wireless ad-hoc network routing protocols cannot be efficient outside the scenarios it targets. work problem

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  • Mobile ad hoc network routing method supporting carrying-storage-forwarding mechanism
  • Mobile ad hoc network routing method supporting carrying-storage-forwarding mechanism
  • Mobile ad hoc network routing method supporting carrying-storage-forwarding mechanism

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Embodiment Construction

[0069] The present invention provides following technical scheme:

[0070] The mobile ad-hoc network SCFP routing protocol that supports the store-carry-forward mechanism, in this method, aims at network scenarios where the nodes are sparse and are in a fully connected state most of the time, and are intermittently connected at some times, aiming to obtain High throughput rate; improve delivery rate in intermittent connection scenarios; keep the application layer interface unchanged, still use TCP / UDP (Transmission Control Protocol / User Datagram Protocol) Socket interface. The SCFP protocol must implement the store-carry-forward function at the network layer in order to remain transparent to the application layer. SCFP routing flow chart and overall functional modules are attached figure 1 , the node constructs priority forwarding through the neighbor detection mechanism; the opportunistic forwarding method selects the forwarding node set by querying the priority forwarding t...

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Abstract

The invention belongs to the technical field of the wireless sensor network and mobile ad hoc network, and provides a mobile ad hoc network routing protocol supporting a carrying-storage-forwarding mechanism in order to solve a problem that the existing wireless ad hoc network routing protocol cannot work efficiently beyond the aimed scenario at present. To this end, the invention adopts a technical scheme that the mobile ad hoc network routing method supporting the carrying-storage-forwarding mechanism uses a transmission control protocol / user datagram protocol Socket interface, and nodes construct a priority forwarding table through a neighbor detection mechanism; an opportunity forwarding mode selects a forwarding node set through querying the priority forwarding table; if the data forwarding fails, the network is in an intermittent connection state, and network layer storage of the data is realized at the moment; and when the periodic neighbor detection mechanism detects that the network recovers the fully connected state, the data is re-packaged and forwarded. The mobile ad hoc network routing method is mainly applied to ad hoc network routing occasions.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks and mobile ad hoc networks, and relates to the design and realization of a mobile ad hoc network routing protocol supporting a store, carry and forward mechanism. Specifically, it relates to a mobile ad hoc network routing protocol supporting a store-and-forward mechanism. Background technique [0002] Existing mobile ad hoc network routing protocols are designed for a single scenario. For example, the MANET (Mobile Ad Hoc Network) protocol is designed for fully connected scenarios. In the absence of an end-to-end path, the MANET protocol cannot work normally. ; DTN (Delay Tolerant Network) routing efficiency is not high in fully connected scenarios and the development of applications should be oriented to the Bundle (overlay layer) interface. Therefore, aiming at the coexistence of intermittent and fully connected scenarios, the present invention designs a MANET routing protocol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/947H04W40/04H04W40/24
CPCH04L49/252H04W40/04H04W40/24
Inventor 赵增华刁冰雪常晓山
Owner TIANJIN UNIV
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