Method for evaluating link quality assessment model by multi-attribute group decision making theory

A technique for evaluating models and link quality, used in transmission monitoring, electrical components, wireless communications, etc.

Inactive Publication Date: 2017-11-07
NANCHANG HANGKONG UNIVERSITY
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Problems solved by technology

[0004] In order to solve the optimal problem of the link quality assessment model in the above-mentioned wireless sensor network, the present invention provides a method for evaluating the link quality assessment model using multi-attribute group decision-making theory

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  • Method for evaluating link quality assessment model by multi-attribute group decision making theory
  • Method for evaluating link quality assessment model by multi-attribute group decision making theory
  • Method for evaluating link quality assessment model by multi-attribute group decision making theory

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Embodiment Construction

[0029] Hereinafter, preferred examples of the present invention will be described in detail with reference to the accompanying drawings.

[0030] There are three kinds of link assessment models selected in this preferred example: Triangle assessment model, FLQE assessment model and FourBit assessment model, denoted as A={a 1 ,a 2 ,a 3}. The stability and agility of the evaluation indicators of the link quality assessment model are taken as the attribute set of the link quality, which is recorded as C={c 1 ,c 2}. Select six link states to evaluate the link instruction evaluation model, denoted as T={t 1 ,t 2 ,t 3 ,t 4 ,t 5 ,t 6}.

[0031] 1) The establishment of the link quality evaluation model evaluation index system, the specific steps are as follows:

[0032] a) The aggregation node receives the data packet sent by the sending node, and records the time series data of the received link quality basic parameters, including PRR, SNR, LQI and RSSI, and performs stan...

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Abstract

The invention discloses a method for evaluating a link quality assessment model by a multi-attribute group decision making theory. The method comprises the following steps: constructing an evaluation index system of the link quality assessment model by taking a packet reception rate as a stability standard of the assessment model and taking a signal-to-noise ratio as an agility standard of the assessment model; evaluating the assessment model in different link states, and calculating the influence degrees of the link states on the performance of the assessment model; assessing the influence degrees of evaluation indexes on the performance of the link quality assessment model, and calculating weights of the indexes; and transforming an optimum seeking problem of the link quality assessment model into a multi-attribute group decision making problem, fusing the plurality of evaluation indexes by a positive-negative ideal solution, and quantifying and optimizing the performance of the link quality assessment model. Through adoption of the method, the evaluation index system of the link quality assessment model is constructed; the performance of the link quality assessment model is quantified by the multi-attribute group decision making theory; and sequencing optimization is performed on the assessment model according to a quantification result.

Description

technical field [0001] The invention relates to the field of wireless network link quality evaluation, in particular to a method for evaluating a wireless sensor network link quality evaluation model using multi-attribute group decision-making theory. Background technique [0002] The wireless sensor network is composed of a large number of cheap sensor nodes deployed in the monitoring area, and forms a multi-hop self-organizing network system through wireless communication. It has broad application prospects in environmental monitoring, smart home, smart logistics and other fields. [0003] A node in a wireless sensor network is usually a micro-embedded system with perception capabilities, its computing power, storage capacity, and communication capabilities are weak, and it is required to have as long as possible working hours. Sensor nodes generally communicate through radio frequency, and the environment they live in is complex and changeable and there are random interf...

Claims

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Application Information

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IPC IPC(8): H04B17/318H04B17/336H04B17/391H04W24/08H04W84/18
CPCH04B17/318H04B17/336H04B17/391H04W24/08H04W84/18
Inventor 舒坚贾晨浩张岩刘琳岚
Owner NANCHANG HANGKONG UNIVERSITY
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