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LTE cell handover method based on decision section

A cell handover and cell technology, applied in electrical components, wireless communications, etc., can solve problems such as deteriorating handover correction, lack of ability to adapt to external environments, and inability to dynamically track cell performance, to optimize handover, improve continuity, and ensure Customer-perceived effect

Active Publication Date: 2016-06-29
HUAXIN CONSULTATING CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings that the LTE cell handover method in the prior art does not have the ability to adapt to the external environment, cannot dynamically track the deterioration of cell performance and implement continuous handover corrections, and provides a more Better match the external environment, adaptively adjust the handover parameters and select the target serving cell according to the evaluation criteria perceived by the customer. The LTE cell handover method based on the decision interval

Method used

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  • LTE cell handover method based on decision section
  • LTE cell handover method based on decision section
  • LTE cell handover method based on decision section

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Experimental program
Comparison scheme
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specific example

[0067] The following takes N=7 as an example to describe this method in detail, and typical basic data are shown in Table 1 to Table 3.

[0068]

[0069] Table 1

[0070] serial number

project

data

1

Median value of handover failure rate HOF c

0.06

2

Handover failure rate target value HOF t

0.1

3

HOF c Corresponding K c value

0.8

4

HOF t Corresponding K t value

0.2

5

A3 event cheap parameter Off

0

[0071] Table 2

[0072]

[0073] table 3

[0074] Step 1: Calculate the handover failure rate;

[0075] According to the seven handover scenarios of the serving cell in Table 1, calculate the handover failure rate respectively, and get, HOF x = N F x N F x ...

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Abstract

The invention discloses an LTE cell handover method based on a decision section. The LTE cell switching method comprises the following steps: step 1, calculating a handover failure rate; step 2, carrying out section correction; step 3, carrying out handoff decision; and step 4, figuring out an optimal cell. The LTE cell handover method disclosed by the invention is used for analyzing the handover failure rate index of a service cell, importing a correction factor of a section function and adaptively tracking the deterioration situation of cell handover performance, so as to dynamically switch hysteresis parameters for adjustment, improve the continuity of business development and guarantee the customer perception.

Description

technical field [0001] The present invention relates to a handover method of an LTE system, in particular to a decision interval-based LTE cell handover method that can better match the external environment, adaptively adjust handover parameters, and select a target serving cell according to evaluation criteria perceived by customers . Background technique [0002] By adopting multiple key technologies such as OFDM, SC-FDMA, and MIMO, LTE can significantly reduce the delay of the user plane and the control plane, achieve faster data rates than current 2 / 3G systems, and provide higher cell throughput. Similar to 2 / 3G mobile communication systems, handover is still one of the most common procedures in LTE. When the terminal moves between cells, the eNodeB may initiate a handover process based on a certain strategy to maintain the continuity of mobile communication and provide more users with guaranteed QoS (Quality of Service, Quality of Service) services. [0003] Chinese p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08H04W36/30
CPCH04W36/0094H04W36/08H04W36/30
Inventor 肖清华
Owner HUAXIN CONSULTATING CO LTD
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