A new efficient cross-layer relay node selection model for Wireless Community Mesh Networks

被引：30
作者：
Zhao, Liang [1 ]
Al-Dubai, Ahmed [2 ]
Li, Xianwei [3 ]
Chen, Guolong [4 ]
Min, Geyong [5 ]
机构：
[1] Shenyang Aerosp Univ, Sch Comp Sci, 37 Daoyi South Ave, Shenyang 110136, Liaoning, Peoples R China
[2] Edinburgh Napier Univ, Sch Comp, 10 Colinton Rd, Edinburgh EH10 5DT, Midlothian, Scotland
[3] Waseda Univ, Global Informat & Telecommun Inst, Tokyo, Japan
[4] Suzhou Univ, Sch Informat Engn, Suzhou 234000, Peoples R China
[5] Univ Exeter, Math & Phys Sci, Exeter EX4 4QF, Devon, England
来源：
COMPUTERS & ELECTRICAL ENGINEERING | 2017年 / 61卷
关键词：
Routing metrics; QoS; Wireless Community Mesh Network; Real-time communication;
D O I：
10.1016/j.compeleceng.2016.12.031
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Current networking technologies are not perfectly equipped to support Quality of Service (QoS), which is vital for real-time multimedia applications in Wireless Community Mesh Networks (WCNs). Therefore, there is a need to devise innovative routing algorithms to support QoS on top of existing standards. Thus, this paper presents a cross layer relay node selection model for routing protocols in order to offer optimal routes to real-time applications. To the best of our knowledge, our two proposed routing metrics, Packet Priority-Oriented routing metric (PPO) and Packet Priority-oriented QoS routing metric (PP-QoS), are the first to provide differentiated priorities and service levels to applications with different needs. PPO considers the application priority. Moreover, PP-QoS also considers the channel busy level to improve the performance of path selection. The simulation confirms the superiority of the proposed model against a number of existing counterparts. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：361 / 372
页数：12
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