Dynamic Priority Based Reliable Real-Time Communications for Infrastructure-Less Networks

被引：6
|
作者：
Raza, Mohsin [1 ]
Le-Minh, Hoa [2 ]
Aslam, Nauman [3 ]
Hussain, Sajjad [4 ]
Imran, Muhammad Ali [4 ]
Tafazolli, Rahim [5 ]
Nguyen, Huan X. [1 ]
机构：
[1] Middlesex Univ, Design Engn & Math Dept, London NW4 4BT, England
[2] Northumbria Univ, Dept Math Phys & Elect Engn, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
[3] Northumbria Univ, Dept Comp Sci & Digital Technol, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
[4] Univ Glasgow, Sch Engn, Glasgow G12 8QQ, Lanark, Scotland
[5] Univ Surrey, Inst Commun Syst 5GIC, Guildford GU2 7XH, Surrey, England
来源：
IEEE ACCESS | 2018年 / 6卷
基金：
英国工程与自然科学研究理事会;
关键词：
Critical communications; industrial wireless sensor network (IWSN); infrastructure less communications; MAC; machine to machine (m2m); priority; quality of service (QoS); ultra-reliable low latency communications (URLLC); INDUSTRIAL WIRELESS SENSOR; MAC PROTOCOL;
D O I：
10.1109/ACCESS.2018.2879186
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes a dynamic priority system at medium access control (MAC) layer to schedule time sensitive and critical communications in infrastructure-less wireless networks. Two schemes, priority enabled MAC (PE-MAC) and optimized PE-MAC are proposed to ensure real-time and reliable data delivery in emergency and feedback systems. These schemes use a dynamic priority mechanism to offer improved network reliability and timely communication for critical nodes. Both schemes offer a notable improvement in comparison to the IEEE 802.15.4e low-latency deterministic networks. To ensure more predictable communication reliability, two reliability centric schemes, quality-ensured scheme (QES) and priority integrated QES, are also proposed. These schemes maintain a pre-specified successful packet delivery rate, hence improving the overall network reliability and guaranteed channel access.
引用
收藏
页码：67338 / 67359
页数：22
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