Switching method based on adjustable prediction threshold hysteresis margin in super-dense network

An ultra-dense network and pre-handover technology, which is applied in the field of handover with adjustable hysteresis margin based on prediction thresholds, and can solve problems such as not being able to meet the deployment requirements of ultra-dense wireless networks.

Active Publication Date: 2015-12-30
CERTUS NETWORK TECHNANJING
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Problems solved by technology

Therefore, traditional mobility management methods can no longer meet the deployment requirements of future ultra-dense wireless networks, and future ultra-dense wireless networks need better mobility management models and performance analysis methods

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  • Switching method based on adjustable prediction threshold hysteresis margin in super-dense network
  • Switching method based on adjustable prediction threshold hysteresis margin in super-dense network
  • Switching method based on adjustable prediction threshold hysteresis margin in super-dense network

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Embodiment Construction

[0074] Examples of the present invention will be described in detail below.

[0075] The invention provides a switching algorithm based on a predictive threshold with adjustable hysteresis margin in an ultra-dense clustering network. The mobile terminal periodically monitors the signal quality of cell base stations, including macro base stations and small base stations, to realize periodic monitoring and update location information. When the terminal moves within the cell, the device periodically uploads its own measurement report to the local controller, including the service status of the device and the wireless signal strength values ​​of the source base station and surrounding base stations. The local controller judges whether the state of the device has reached the pre-handover stage according to the information uploaded by the device. When the wireless signal strength value of the source cell reaches the pre-handover threshold, the pre-handover event is triggered at thi...

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Abstract

In a fifth generation (5G) mobile system, large-scale MIMO antennas and super-dense deployment networks are two modes for realizing high throughout. In allusion to a problem of frequent switching of super-dense networks, the invention provides a switching management method for hysteresis margin automatic adjustment according to movement conditions of terminal equipment based on an idea of super-dense network clustering. According to the invention, clustering management is carried out on small base stations, switching of user equipment between cells is divided into a pre-switching stage and a formal switching stage, and the switching threshold hysteresis margin is adjusted correspondingly according to the speed of the equipment, thereby completing a switching process of the equipment between the cells. The method provided by the invention can effectively reduce the switching time delay and the switching failure rate of the equipment.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a handover method based on a prediction threshold with adjustable hysteresis margin in an ultra-dense clustering network in a 5G system. Background technique [0002] Massive MIMO antennas and ultra-densely deployed networks are two ways to achieve high throughput in fifth-generation (5G) mobile systems. With the rapid development of Internet applications and the explosive increase in demand for data services, wireless networks are facing enormous challenges. In order to meet the demand of a large amount of data communication, it is necessary to deploy small base stations on a large scale in some hotspot areas. Faced with the complexity of network deployment and user behavior, ultra-dense deployment of networks has greater advantages. In theory, network capability is related to the number of base stations per unit area. The coverage of small base stations ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/30H04W36/32
CPCH04W24/10H04W36/30H04W36/32
Inventor 朱晓荣张涛王振赵夙
Owner CERTUS NETWORK TECHNANJING
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