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Heterogeneous network selection method based on user quality of experience

A heterogeneous network and quality of experience technology, applied in the transmission system, electrical components, etc., can solve the problems of poor real-time performance, time-consuming, labor-intensive portability, etc., and achieve the effect of strong portability

Active Publication Date: 2022-06-28
ARMY ENG UNIV OF PLA
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Problems solved by technology

In the fuzzy number assignment process, the existing main method is obtained by scoring by experts. Although this method is more accurate, it is time-consuming and labor-intensive, and has poor portability and real-time performance. As a necessary preparation for fuzzy decision-making, it will bring a lot of big limitations

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  • Heterogeneous network selection method based on user quality of experience
  • Heterogeneous network selection method based on user quality of experience
  • Heterogeneous network selection method based on user quality of experience

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Embodiment

[0092] A heterogeneous network selection method based on user experience quality, the specific steps are:

[0093] Step 1. Take the attributes that affect QoE in the candidate network in the heterogeneous network to be accessed as the original decision matrix X={x ij }, where the ordinate of the matrix represents the alternative network, taking the session service as an example, i=1, 2, 3, and 4 represent the UMTS network, 802.11a, 802.11b, and WiMAX network respectively, and the abscissa represents the attributes that affect the QoE of the network. In the example, j=1, 2, 3, 4, and 5, which are delay, jitter, throughput, packet loss rate, and cost, respectively. The original decision matrix formed is X={x ij }, the original decision matrix in this embodiment is specifically shown in Table 1.

[0094] Table 1

[0095]

[0096] Step 2. Normalize the attribute values ​​in the original decision matrix to obtain a normalized decision matrix;

[0097] The original decision m...

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Abstract

The invention discloses a heterogeneous network selection method based on user quality of experience. The original decision matrix is ​​formed by candidate networks and attribute values ​​affecting QoE and normalized; the uncertainty of each attribute is obtained according to the entropy value method; according to The data fuzzification process judges the influence degree of each attribute of the candidate network on QoE, and obtains the degree of membership; determines the non-membership degree of the attribute according to the uncertainty and the degree of membership, and obtains the network QoE judgment matrix; the attribute of each candidate network QoE fuzzy metric assignment is performed on the relationship among them; the fuzzy integration operator is applied to the network QoE decision matrix of each candidate network for integration and sorting, and the decision result is obtained. The objective fuzzy process of the invention makes the QoE assignment simple and easy, and has strong portability.

Description

technical field [0001] The invention belongs to a network selection technology, in particular to a heterogeneous network selection method based on user experience quality. Background technique [0002] Most of the existing fuzzy evaluations are based on the subjective opinions of decision makers, lacking objective and scientific evaluation standards, and the real-time portability is poor. When solving the priority multi-criteria problem with attribute priority, the information integration process is not comprehensive and objective. [0003] The network selection method based on multi-attribute decision making is one of the more mainstream network selection methods at present. Multiple attribute decision making (MADM) mainly solves the problem of optimal option decision-making when the pros and cons of options are jointly determined by multiple attributes (interrelated or contradictory among attributes). Multi-attribute decision-making consists of five elements: alternative...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L41/14H04L41/5003H04L41/5041
CPCH04L41/14H04L41/5003H04L41/5041
Inventor 朱磊程凯欣王磊俞璐武欣嵘郭继斌曾维军
Owner ARMY ENG UNIV OF PLA
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