Performance Analysis of IEEE 802.15.6-Based Coexisting Mobile WBANs With Prioritized Traffic and Dynamic Interference

被引：34

作者：

Yuan, Xiaoming ^{[1
]}

Li, Changle ^{[1
]}

Ye, Qiang ^{[2
]}

Zhang, Kuan ^{[3
]}

Cheng, Nan ^{[2
]}

Zhang, Ning ^{[4
]}

Shen, Xuemin ^{[2
]}

机构：

[1] Xidian Univ, State Key Lab Integrated Serv Networks, Xian 710071, Shaanxi, Peoples R China

[2] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada

[3] Univ Nebraska Lincoln, Dept Elect & Comp Engn, Omaha, NE 68182 USA

[4] Texas A&M Univ Corpus Christi, Dept Comp Sci, Corpus Christi, TX 78412 USA

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2018年 / 17卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Wireless body area network (WBAN); interference; CSMA/CA; IEEE; 802.15.6; Markov chain model; BODY-AREA NETWORKS; ENERGY-EFFICIENT; SENSOR NETWORKS; MAC PROTOCOL; MITIGATION; COMMUNICATION; PRIVACY;

D O I：

10.1109/TWC.2018.2848223

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Intelligent wireless body area networks (WBANs) have entered into an incredible explosive popularization stage. WBAN technologies facilitate real-time and reliable health monitoring in e-healthcare and creative applications in other fields. However, due to the limited space and medical resources, deeply deployed WBANs are suffering severe interference problems. The interference affects the reliability and timeliness of data transmissions, and the impacts of interference become more serious in mobile WBANs because of the uncertainty of human movement. In this paper, we analyze the dynamic interference taking human mobility into consideration. The dynamic interference is investigated in different situations for WBANs coexistence. To guarantee the performance of different traffic types, a health critical index is proposed to ensure the transmission privilege of emergency data for intra-and inter-WBANs. Furthermore, the performance of the target WBAN, i.e., normalized throughput and average access delay, under different interference intensity are evaluated using a developed three-dimensional Markov chain model. Extensive numerical results show that the interference generated by mobile neighbor WBANs results in 70% throughput decrease for general medical data and doubles the packet delay experienced by the target WBAN for emergency data compared with single WBAN. The evaluation results greatly benefit the network design and management as well as the interference mitigation protocols design.

引用

页码：5637 / 5652

页数：16