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A 5G ultra-dense network virtual cell construction method

An ultra-dense network and virtual cell technology, applied in the field of 5G ultra-dense network virtual cell construction, can solve problems such as frequent switching of mobile user service base stations, achieve service support, reduce base station switching frequency, and reduce network overhead.

Active Publication Date: 2020-09-25
NORTHEASTERN UNIV LIAONING
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  • Description
  • Claims
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Problems solved by technology

[0006] The embodiment of the present invention provides a method for constructing a virtual cell in a 5G ultra-dense network to solve the problems of frequent switching of mobile user service base stations and Ping-Pang effect in traditional UDN networks

Method used

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  • A 5G ultra-dense network virtual cell construction method
  • A 5G ultra-dense network virtual cell construction method
  • A 5G ultra-dense network virtual cell construction method

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Embodiment Construction

[0044] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0045] This embodiment is aimed at 5G ultra-dense networks, such asfigure 1 As shown, the virtual cell construction methods based on dynamic quadrants are respectively designed as image 3 As shown, and cooperate with the serving base station switching method based on the received signal-to-noise ratio threshold and the received signal strength difference threshold, Figure 4a and Figure 4b shown. In this embodiment, 60 small cell base stations complying with the Poisson point distribution are deployed within a geographical range of 300m*300m to provide services for 100 mobile user equipments with a moving speed of 2-15m / s. The user movement trajectory model is randomly distributed in one of the three types of circle, straight line and broken line, such as Figure 5 shown. This embodiment considers Rayleigh fading during wireless signal t...

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Abstract

The invention discloses a virtual cell establishment method for a 5G ultra dense network, comprising the steps of S1, establishing an UDN and setting transmitting power, receiving signal to noise ratio threshold, wireless channel width and wireless signal attenuation coefficient related parameters of all base stations in the network; S2, randomly generating users with different motion rates and motion tracks; S3, periodically establishing dynamic quadrants by macrocells according to current positions and instantaneous motion directions of the users and selecting synchronous base stations according to received signal strength of the users for all Femtocells, thereby establishing virtual cells of the users at this time; S4, periodically selecting service base stations for the users by the macrocells according to a receiving signal to noise ratio threshold and a received signal strength difference value threshold; and S5, calculating transmission rates and carrying out statistics on throughput information. According to the virtual cell establishment method provided by the invention, the problem that in the traditional UDN, the service base stations of the users are switched frequently and a Ping-Pang effect exists can be solved.

Description

technical field [0001] The invention belongs to the field of fifth-generation mobile communication technology (5G), and in particular relates to a method for constructing a 5G ultra-dense network virtual cell. Background technique [0002] In recent years, the number of Internet users has increased sharply, and various new services such as high-definition video, cloud computing, edge computing, online games, tactile communication, and machine communication have emerged continuously, which put forward higher requirements for network capacity, speed, and reliability. The fifth-generation mobile communication technology (5G) utilizes new physical layer communication technology, network virtualization technology and multi-network integration to achieve higher access rate (up to 10Gbps) and lower network energy consumption to realize Providing flexible and customized access services has become a current research hotspot. [0003] In the third generation mobile communication (3G)...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04W16/22H04W16/32H04W24/06H04W36/00H04W36/08H04W36/30H04W36/32
CPCH04W16/18H04W16/22H04W16/32H04W24/06H04W36/0083H04W36/08H04W36/30H04W36/32
Inventor 郭磊汉鹏超刘业君宋嵩
Owner NORTHEASTERN UNIV LIAONING
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