Information freshness orientated wireless network design for 6G

Ke XIONG; Huimin HU; Bo AI; Yu ZHANG; Li PEI

doi:10.11959/j.issn.2096-3750.2020.00150

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Information freshness orientated wireless network design for 6G

Topic:IoT and 6G | 更新时间：2024-06-05

- Information freshness orientated wireless network design for 6G
- Chinese Journal on Internet of Things Vol. 4, Issue 1, Pages: 80-91(2020)
- 作者机构：
  
  1. 北京交通大学计算机与信息技术学院，北京 100044
  2. 轨道交通控制与安全国家重点实验室，北京 100044
  3. 国网能源研究院有限公司，北京 102209
  4. 北京交通大学全光网与现代通信网教育部重点实验室，北京 100044
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2020.00150
  CLC： TN92
- Published：30 March 2020，
  
  Published Online：2020-03，
- 稿件说明：
移动端阅览
KE XIONG, HUIMIN HU, BO AI, et al. Information freshness orientated wireless network design for 6G. [J]. Chinese journal on internet of things, 2020, 4(1): 80-91.
DOI：

KE XIONG, HUIMIN HU, BO AI, et al. Information freshness orientated wireless network design for 6G. [J]. Chinese journal on internet of things, 2020, 4(1): 80-91. DOI： 10.11959/j.issn.2096-3750.2020.00150.

摘要

物联网的发展催生了各类实时监测系统（如智能驾驶）和状态更新系统（如工业控制）的部署与应用。对于上述系统而言，信息新鲜度至关重要。若目的端接收的是过时信息，可能会降低系统决策的准确性和可靠性，并造成巨大的安全隐患。在未来6G网络中，信息新鲜度对信息更新应用将越来越重要。为了有效地刻画信息新鲜度，学术界提出了信息年龄（AoI

age of information）的概念。目前，AoI已迅速成为无线系统新的性能指标和研究热点。首先概述了AoI的研究历程，然后分析了在不同网络模型（如单用户网络、单跳网络和多用户网络等）中引入AoI的关键问题，最后对未来的研究趋势进行了展望。

Abstract

The development of the Internet of things has led to the deployment and application of various real-time monitoring systems (such as intelligent driving) and status update systems (such as industrial control).For the above systems

the freshness of information is particularly important.If the destination receives outdated information

it may reduce the accuracy and reliability of the system’s decision-making and cause severe security risks.In the future 6G network

the freshness of information will become increasingly important for information update applications.In order to characterize the freshness of information effectively

the academic world has proposed the concept of age of information (AoI).Recently

AoI has quickly become a new performance index and research hotspot of wireless systems.Firstly the research history of information age was reviewed.Then

the key issues of AoI introduced in different network models (such as single-user networks

single-hop networks

and multi-user networks) were analyzed.Finally the future research trend was prospected.

关键词

6G物联网信息新鲜度信息年龄

Keywords

6GInternet of thingsinformation freshnessage of information

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