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Heterogeneous network hybrid routing method and device based on cross-technology communication

A heterogeneous network and hybrid routing technology, applied in the field of cross-technology communication, can solve the problem of cross-technology communication instability without considering the dynamics of WiFi networks, cross-technology transmission delay and link stability differences, routing The protocol cannot be well applied to problems such as heterogeneous mixed networks, achieving the effects of stable throughput, low delay, and good robustness

Pending Publication Date: 2022-05-17
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] The cross-technology direct communication part of the heterogeneous wireless sensor network in which WiFi, ZigBee, and LTE nodes coexist in Fuzzy-k is only based on theory, and the experiment is also based on assumptions, without actually considering the problems that will occur in the implementation of cross-technology communication. It does not take into account the dynamics of WiFi networks and the instability of cross-technology communication, and its routing design is only based on the theory of cross-technology communication
Moreover, Fuzzy-k focuses on routing design based on heterogeneous node energy, uses fuzzy reasoning system to select cluster centers, and then starts the clustering process based on K-means clustering algorithm, focusing on energy efficiency, considering node location and distribution , taking into account the difference in transmission power and frame length of different nodes, but it does not consider the difference in delay and link stability between cross-technology transmission and ordinary technology transmission, and the routing protocol designed by it is not very suitable for A true heterogeneous hybrid network, and cannot maintain a good overall efficiency of the network

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  • Heterogeneous network hybrid routing method and device based on cross-technology communication
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  • Heterogeneous network hybrid routing method and device based on cross-technology communication

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0047] Here, it should be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps that are closely related to the solution according to the present invention are shown in the drawings, while those related to the present invention are omitted. Invent other details that don't really matter.

[0048] It should be emphasized that the term "comprises / comprises / has" when used herein refers to the presence of a feature, element, step or component, but does not exclude the presence or addition of on...

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Abstract

The invention provides a heterogeneous network hybrid routing method and device based on cross-technology communication, and the method comprises the steps: determining a first WiFi node which can directly carry out data exchange with each ZigBee node, and generating a neighbor node information list of each first ZigBee node; acquiring a WiFi node covering an area between the current node and a destination node, and adding the destination node in a neighbor node information list of the current node as a virtual neighbor node; determining alternative next-hop nodes based on historical transmission rates and transmission reliability between the current node and a second ZigBee node adjacent to the current node and between the current node and a first WiFi node corresponding to the current node, and sending ID information of alternative WiFi nodes in the alternative next-hop nodes to the first WiFi node corresponding to the current node; and respectively calculating transmission delays of transmission paths between each alternative WiFi node and the destination node and between each alternative second ZigBee node and the destination node in the neighbor node information list of the current node, and determining a next hop node of the current node based on the minimum transmission delay.

Description

technical field [0001] The present invention relates to the technical field of cross-technology communication, in particular to a hybrid routing method and device for heterogeneous networks based on cross-technology communication. Background technique [0002] In recent years, with the development of network technology and the continuous evolution of IoT devices, different types of wireless networks are constantly expanding their respective application spaces, gradually forming a state where multiple networks and multiple protocols coexist in the same space. Wireless network protocols not only need to maintain the objective requirements of effective operation and interconnection in a coexistence environment, but also often require necessary data exchange and information sharing across networks and technologies. Driven by this, cross-technology communication technology has developed rapidly . [0003] Cross Technology Communication (CTC) supports direct communication between...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/12H04W84/12H04W84/18
CPCH04W40/02H04W40/12H04W84/12H04W84/18
Inventor 郑霄龙李佳宁刘亮马华东
Owner BEIJING UNIV OF POSTS & TELECOMM
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