[1]邓延安,沈连丰,许波.一种应用于多跳网络的可调占空比固定时延MAC协议[J].东南大学学报(自然科学版),2008,38(6):942-948.[doi:10.3969/j.issn.1001-0505.2008.06.002]
 Deng Yanan,Shen Lianfeng,Xu Bo.Fixed delay MAC protocol with changeable duty cycle applied to multi-hop networks[J].Journal of Southeast University (Natural Science Edition),2008,38(6):942-948.[doi:10.3969/j.issn.1001-0505.2008.06.002]
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一种应用于多跳网络的可调占空比固定时延MAC协议()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
38
期数:
2008年第6期
页码:
942-948
栏目:
信息与通信工程
出版日期:
2008-11-20

文章信息/Info

Title:
Fixed delay MAC protocol with changeable duty cycle applied to multi-hop networks
作者:
邓延安12 沈连丰1 许波1
1 东南大学移动通信国家重点实验室,南京 210096; 2 芜湖职业技术学院, 芜湖 240001
Author(s):
Deng Yanan12 Shen Lianfeng1 Xu Bo1
1 National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
2 Wuhu Vocational Institute of Technology, Wuhu 240001, China
关键词:
多跳网络 自组织网络 无线传感器网络 固定时延 MAC协议 占空比调节
Keywords:
multi-hop networks Ad Hoc network wireless sensor network fixed delay media access control protocol duty cycle adjustment
分类号:
TN92
DOI:
10.3969/j.issn.1001-0505.2008.06.002
摘要:
针对Ad Hoc网络、无线传感器网络等类型的多跳网络中使用传统的基于低占空比的MAC协议会使数据传输的时延随转发节点的增加而变大的问题,提出一种固定时延的MAC协议(FDS-MAC).该协议针对不同跳数的源节点,由汇聚节点通过改变占空比来设置合理的固定时延值并将其放在调度表中,源节点通过改变监听调度表的占空比达到固定时延的目的; 当节点跳数较多时,可通过物理分簇配合FDS-MAC有效降低固定时延的值.理论分析和仿真结果表明,该协议可获得合理的固定时延和良好的耗能特性,在很多场景可获应用.
Abstract:
In order to solve the problem that the transmitting delay increases with the increment of forward nodes which is based on low duty cycle in MAC(media access control)protocols of multi-hop networks such as Ad Hoc or wireless sensor networks, the FDS-MAC(fixed delay S-MAC)protocol which has fixed delay in data transmission is proposed in this paper. The value of fixed delay is determined by the sink nodes. The source nodes transmit the data with fixed delay according to the duty cycle of the schedule from the sink. By adjustment of the duty cycle, the value of fixed delay can also be changed. When the number of hops is large, the FDS-MAC can reduce the value of fixed delay by clustering. The theory analysis and simulation results indicate that the reasonable fixed delay and good performance in energy consumption are obtained and the protocol will be applied widely.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 邓延安(1967—),男,副教授; 沈连丰(联系人),男,教授,博士生导师,lfshen@seu.edu.cn.
基金项目: 江苏省科技成果转化专项资金资助项目(BA2006101)、江苏省高技术研究资助项目(BG2006002).
引文格式: 邓延安,沈连丰,许波.一种应用于多跳网络的可调占空比固定时延MAC协议[J].东南大学学报:自然科学版,2008,38(6):942-948.
更新日期/Last Update: 2008-11-20