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Method of improving reliability of double-layer network switching under unbinding mode

A double-layer network, non-closed technology, applied in the direction of electrical components, wireless communication, etc., can solve the problem of not considering the switching reliability, so as to improve the reliability, guarantee the service experience, and avoid the effect of ping-pong effect

Active Publication Date: 2013-07-10
HARBIN INST OF TECH
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Problems solved by technology

[0005] In order to solve the problem that the user's movement state in the non-closed access mode does not consider the handover reliability of the user in the current handover technology from the macro cell to the femto cell, the present invention proposes a method to improve the handover reliability of the double-layer network in the non-closed mode Methods

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  • Method of improving reliability of double-layer network switching under unbinding mode
  • Method of improving reliability of double-layer network switching under unbinding mode
  • Method of improving reliability of double-layer network switching under unbinding mode

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specific Embodiment approach 1

[0028] Specific embodiment one, combination figure 1 and image 3 Describe this embodiment in detail, a method for improving the reliability of double-layer network switching in the non-closed mode described in this embodiment, a method for improving the reliability of double-layer network switching in the non-closed mode is implemented based on the LTE system, The LTE system comprises a network monitoring unit, a user motion state detection unit, a network historical data collector, a Bayesian model, a handover decision model and a speed perception module, and the method comprises the following steps:

[0029] Step 1, start, execute steps 2, 3, and 4 at the same time, and execute step 5 after step 3 and step 4 are completed;

[0030] Step 2: The network monitoring unit detects user j's service request parameters and target handover network service parameters, and sends the user j's service request parameters and target handover network service parameters to the handover deci...

specific Embodiment approach 2

[0041] Embodiment 2. The difference between this embodiment and the method for improving the reliability of double-layer network switching in non-closed mode described in Embodiment 1 is that the speed perception module described in step 8 judges the user according to the switching judgment result j The specific process of whether the speed change is frequent is: the user's motion speed v is obtained by GPS or speed sensor t and v t-1 , according to the formula (2) to obtain the motion state of the user j,

[0042] Δv = 1 | v t - v t - 1 | > π 2 ...

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Abstract

The invention relates to a method of improving reliability of double-layer network switching under an unbinding mode, and aims to solve the problem that at present in the technology of the switching from a macrocell to a fly-cell, the switching reliability of a user motion state is not considered under the unbinding accessing mode by a user. The method comprises the following steps: a network historical data collector records the related information of switching from the macrocell to the fly-cell of the user and the corresponding user motion state, and sends a Bayesian model; a network monitoring unit detects the service request parameters of the user, meanwhile the Bayesian model feeds back the comparing result of a switching success rate threshold value to a switching judging model, and the switching judging model synthesizes the mentioned information and decides whether a switching request is star or not; a speed perceiving module perceives whether the user motion is frequent or not according to the current motion states and the historical motion states; and the final switching results are provided by synthesizing target switching networks and a whether speed change is frequent or not. The method of improving the reliability of the double-layer network switching under the unbinding mode is suitable to the technical field of mobile communication.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for improving the reliability of double-layer network switching in a non-closed mode. Background technique [0002] With the rapid development of a new generation of wireless devices, users' demands on data service rates are increasing exponentially. Most new data service requests occur indoors or in densely populated areas. In order to ensure user service quality and improve user satisfaction, various methods for improving link budget and cell extension coverage have been proposed. On the basis of traditional macro-cell technology, cellular relay, distributed antenna, picocell, and femtocell (Femtocell) have been extensively researched and deployed in hot spots such as residences, subways, and offices. This kind of heterogeneous network integration method using macro cells and femtocells (also called home base stations or femto cells, with a coverage rang...

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Application Information

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IPC IPC(8): H04W36/04
Inventor 郭庆宁磊王振永贾敏杨明川姜开元周建人郑岩
Owner HARBIN INST OF TECH
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