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5G ultra-dense wireless access network deployment system and a virtual cell updating method thereof

A wireless access network and virtual cell technology, applied in the 5G ultra-dense wireless access network deployment system and its virtual cell update field, can solve the problems of lack of virtual cell technology and 5G communication network deployment scheme, and achieve excellent scalability , Avoid signaling storms, and improve the effect of low latency

Active Publication Date: 2019-05-14
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although there have been many researches on virtual cell technology, a relatively complete solution has not been given under the above-mentioned 5G evolution architecture, especially for ITS application scenarios, there is still a lack of a combination of virtual cell technology and 5G communication network deployment plan

Method used

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  • 5G ultra-dense wireless access network deployment system and a virtual cell updating method thereof
  • 5G ultra-dense wireless access network deployment system and a virtual cell updating method thereof
  • 5G ultra-dense wireless access network deployment system and a virtual cell updating method thereof

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Embodiment 1

[0063] Please refer to 1. This application discloses a 5G ultra-dense radio access network deployment system, which includes multiple AAUs (that is, multiple active antenna processing units, see reference numeral 11), multiple DUs (that is, distributed units, See reference numeral 12), and multiple communication-connected edge clouds (see reference numeral 13), which will be described separately below.

[0064] A plurality of AAUs (such as reference numeral 11), each AAU is distributed along the road, and the road is covered by signals. These AAUs are used for user terminal access. When the user terminal accesses one or more AAUs, the one or more The AAUs and the DUs connecting them form the virtual cell of the user terminal. In one embodiment, it can be seen that Figure 5 , seven active antenna processing units AAU (such as AAU1-AAU7) are distributed on one side of the road (for example, set on the street light pole, signal light pole, signboard, roadside building) on ​​the...

Embodiment 2

[0076] Please refer to Figure 9 , this application discloses a virtual cell update method for a 5G ultra-dense radio access network deployment system. The 5G ultra-dense radio access network deployment system in this embodiment is the 5G ultra-dense radio access network deployment system in Embodiment 1. Network deployment system, including multiple AAUs, multiple DUs, and multiple communication-connected edge clouds. Here, a method for updating a virtual cell will be described, and the method for updating a virtual cell mainly includes steps S100-S300, which will be described separately below.

[0077] Step S100, obtaining step: obtaining the status information of the user terminal through the AAU within the signal coverage area where the user terminal is located.

[0078] In one embodiment, see Figure 5 , the AAU (such as AAU4-AAU6) within the signal coverage area where the user terminal UE is located sends wireless signals to the user terminal (at this time, the AAU is ...

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Abstract

The invention relates to a 5G ultra-dense wireless access network deployment system and a virtual cell updating method thereof, the 5G ultra-dense wireless access network deployment system comprises aplurality of AAUs, a plurality of DUs and a plurality of edge clouds, and the virtual cell updating method comprises an acquisition step, a calculation step and an updating step. On one hand, the user terminal is always ensured to access one or more AAUs with good communication quality in the system, so that strong interference can be avoided, a multi-point cooperative transceiving technology isenabled, the information transmission rate and reliability of the user terminal can be improved, and meanwhile, the application effect of V2X can be better achieved; And on the other hand, in the virtual cell updating method, the new DU takes over the virtual cell first, and then the current DU releases the virtual cell, so that application effect of the AAU-is realized. According to the virtual cell updating method, firstly, a new DU takes over a virtual cell. the virtual cell is released by the current DU after the user terminal moves the AAU-DU, effective cooperation between the AAU-DU-edgecloud is realized, updating of the virtual cell can be smoothly realized in the moving process of the user terminal, information transmission of the user cannot be interrupted, and better user experience can be achieved.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a 5G ultra-dense wireless access network deployment system and a virtual cell update method thereof. Background technique [0002] Intelligent Traffic System (Intelligent Traffic System, ITS) is the effective comprehensive application of advanced information technology, communication technology, computer technology, sensor technology, artificial intelligence, etc. The connection between roads and users forms a safe, efficient, environmentally friendly and comfortable comprehensive transportation system. How to achieve intelligent information exchange and sharing between vehicles and people, vehicles, roads, and networks (vehicle to everything, V2X, that is, information exchange between vehicles and the outside world) is the basis for realizing a series of ITS applications and services. Due to the safety of life, vehicle communication has high requirements for reliabil...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W24/04H04W36/00
Inventor 丁丽琴汪洋李黎明吴鹏肖宜雄
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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