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Low-overhead hybrid routing protocol method for narrowband ad hoc network

A technology of hybrid routing and ad hoc networking, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problem that the adaptability of network topology and real-time data transmission cannot be satisfied at the same time, and the protocol overhead exceeds the carrying capacity of narrowband links, etc. question

Active Publication Date: 2020-06-30
大唐联诚信息系统技术有限公司
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Problems solved by technology

[0010] It can be seen that under the condition of limited bandwidth of narrowband links, the protocol overhead of existing ad hoc network routing exceeds the carrying capacity of narrowband links, and cannot satisfy both the adaptability of network topology and the real-time performance of data transmission. item performance index

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  • Low-overhead hybrid routing protocol method for narrowband ad hoc network
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  • Low-overhead hybrid routing protocol method for narrowband ad hoc network

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Embodiment Construction

[0040] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] like figure 1 As shown, it is a method flow chart of an embodiment of a low-overhead hybrid routing protocol method for a narrowband ad hoc network disclosed in the present invention, and the method may include the following steps:

[0042] S101, adopting the link layer relay transmission mode, and reducing the IP header bandwidth consumption caused by the network layer relay by simplifying the protocol stack;

[0043] The exi...

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Abstract

The invention discloses a low-overhead hybrid routing protocol method for a narrowband ad hoc network, which comprises the following steps: IP (Internet Protocol) head bandwidth consumption caused bynetwork layer relay is reduced by simplifying a protocol stack by adopting a link layer relay transmission mode; an active and passive hybrid routing mode is adopted; a low-overhead topology control mode is adopted, neighbor information is periodically exchanged among nodes, and information compression and single-hop broadcasting are carried out by adopting compressed encoding, so that a two-hop topology table on which a passive routing mode depends is established and maintained; a piggybacked routing updating mode is adopted, and a node carries path information to a destination node through an extension field of a Hello message and diffuses to an upstream node along a reverse path for updating a routing table required in an active routing mode by the upstream node. According to the invention, the bandwidth efficiency of narrowband ad hoc network and multi-hop transmission can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of narrowband ad hoc networks, in particular to a low-overhead hybrid routing protocol method for narrowband ad hoc networks. Background technique [0002] Multi-hop routing is an important research content in the field of wireless ad hoc network technology. It is usually necessary to design a specific ad hoc network routing protocol according to the application scenarios of the network and the general characteristics of the multi-hop network. The routing protocol of the ad hoc network mainly includes three functions: path generation, path selection and path maintenance. Among them, the path generation is a process of generating a path according to the network state information and user service requirements, and the path selection is to select an appropriate path according to the network state, user service requirements and other information. Path generation and path selection are commonly referred to toget...

Claims

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Application Information

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IPC IPC(8): H04W40/24H04W40/26H04L12/751H04L45/02
CPCH04W40/246H04W40/248H04W40/26H04L45/026
Inventor 李忠孝李远军李琼
Owner 大唐联诚信息系统技术有限公司
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