Energy-aware adaptive topology adjustment in wireless body area networks

被引：18

作者：

Cai, Xuelian ^{[1
]}

Li, Jiandong ^{[1
]}

Yuan, Jingjing ^{[2
]}

Zhu, Wu ^{[1
]}

Wu, Qianqian ^{[3
]}

机构：

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

[2] Xingtai Univ, Sch Phys & Elect Engn, Xingtai 054001, Hebei, Peoples R China

[3] Huawei Technol Co Ltd, Shenzhen 518129, Guangdong, Peoples R China

来源：

TELECOMMUNICATION SYSTEMS | 2015年 / 58卷 / 02期

基金：

中国国家自然科学基金;

关键词：

WBAN; MAC; Relay; Superframe adjustment; Energy saving; COMMUNICATION CHANNEL; MAC; PROTOCOL;

D O I：

10.1007/s11235-014-9899-y

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Wireless body area networks (WBANs) represent a key emerging technology to resolve the connection issues on, in or around the human body. One of the most important and challenging issues in WBANs is to maximize the network lifetime. Employing additional relaying node to save energy was considered in the literatures available. Different from the related work, we propose a novel adaptive MAC protocol for WBANs named Network Longevity Enhancement by Energy Aware medium access control Protocol (NLEEAP), which reduces energy consumption without introducing additional devices. The procedures in NLEEAP consist of relay request, relay response and superframe adjustment. The relay operation is initiated when the shortage of a node's residual energy occurs. Once the relay succeeds, NLEEAP smoothly switches the network topology from single-hop to multi-hop. Simulations are conducted and the results show the superiority of NLEEAP in energy efficiency compared with that of existing standard of IEEE 802.15.4.

引用

页码：139 / 152

页数：14

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