SC-MAC: A Sender-Centric Asynchronous MAC Protocol for Burst Traffic in Wireless Sensor Networks

被引：0

作者：

Liu, Ye ^{[1
,2
]}

Jiang, Fulong ^{[1
]}

Liu, Hao ^{[1
]}

Wu, Jianhui ^{[1
]}

机构：

[1] Southeast Univ, Natl ASIC Syst Engn Res Ctr, Nanjing, Peoples R China

[2] Southeast Univ, Jiangsu Prov Key Lab Sensor Network Technol, Wuxi, Peoples R China

来源：

18TH ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS (APCC 2012): GREEN AND SMART COMMUNICATIONS FOR IT INNOVATION | 2012年

基金：

美国国家科学基金会;

关键词：

MAC; burst traffic; single-hop collaboration; energy efficiency;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Event-driven applications in wireless sensor networks feature correlated traffic bursts: after a period of idle time with light traffic loads, multiple sensors that have detected the same event have to transmit large amounts of data simultaneously to sink node or cluster head. The demand for simultaneous data transmission often causes severe collision, which is one of the most significant sources of energy consumption in wireless sensor networks. In this paper, we propose SC-MAC (sender-centric MAC), a new asynchronous duty cycle MAC protocol designed for burst traffic loads. SC-MAC achieves collision-free environment while do not introduce extra overhead. In order to minimize delivery latency in tree structure or other multi-hop networks, SC-MAC also introduces a latency optimization mechanism. We show the performance of SCMA through ns-2 simulation and compare it to PWMAC, the state-of-the-art asynchronous MAC protocol. The simulation results show that SC-MAC significantly minimizes energy consumption and delivery latency.

引用

页码：848 / 853

页数：6

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