Online Schedule Randomization to Mitigate Timing Attacks in 5G Periodic URLLC Communications

Author:

Samaddar Ankita1ORCID,Easwaran Arvind1ORCID

Affiliation:

1. Nanyang Technological University, Singapore

Abstract

Ultra-reliable low-latency communication (URLLC) in 5G networks is designed to support time-critical applications such as industrial control systems (ICSs), where user equipment (UEs) communicate with a base station (BS) with very high reliability and low latency. Most of these communications in ICSs are periodic and associated with hard deadlines. To provide a reliable service while satisfying the hard deadlines, the BS usually reserves slots and frequencies and precomputes the schedule for such UEs. The same schedule repeats over time, which makes the slots and frequencies predictable. However, an attacker can exploit this aspect and launch timing attacks disrupting specific communication, thereby, undermining the safety of the system. To mitigate such attacks, we present an online strategy that randomizes the scheduled slots and frequencies over time without violating the flow deadlines. We use Kullback-Leibler divergence to measure the randomness in the schedules generated by our strategy with reference to a hypothetical truly random strategy. We perform security analysis of our proposed strategy using Prediction Probability to measure the predictability in the slots of the generated schedules. We evaluate the performance of our strategy against a state-of-the-art baseline, and show that our strategy performs better than the baseline across all parameter settings.

Publisher

Association for Computing Machinery (ACM)

Subject

Computer Networks and Communications

Reference70 articles.

1. 3GPP. 2016. Semi-Persistent Scheduling for 5G New Radio URLLC. R1-167309 3GPP TSG-RANWG1 #86 Aug 2016.

2. 3GPP. 2016. 38.913: Technical specification group radio access network; study on scenarios and requirements for next generation access technologies; (release 14).

3. 3GPP. 2019. Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; Release description; Release 15 (3GPP TR 21.915 version 15.0.0 Release 15). https://www.etsi.org/deliver/etsi_tr/121900_121999/121915/15.00.00_60/tr_121915v150000p.pdf.

4. 5G Americas White Paper. Feb 2017. The Evolution of Security in 5G . https://www.5gamericas.org/wp-content/uploads/2019/08/5G-Security-White-Paper_8.15.pdf.

5. Tyrah Diaz. [n.d.]. Industrial Control Systems (ICS) Concepts and Examples . https://study.com/learn/lesson/industrial-control-systems-ics-concept-examples.html.

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3