| 基于显式阻塞通知的自组织网络MAC协议 |
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| 引用本文： | 张棋飞,刘威,程文青,杨宗凯.基于显式阻塞通知的自组织网络MAC协议[J].小型微型计算机系统,2007,28(9):1566-1571. |
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| 作者姓名： | 张棋飞 刘威 程文青 杨宗凯 |
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| 作者单位： | 华中科技大学,电子与信息工程系,湖北,武汉,430074 |
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| 摘 要： | IEEE802.11 DCF协议利用RTS/CTS握手机制解决无线网络中重要的隐终端问题.但是该协议并不能解决所有的隐终端问题,如隐接收终端问题.本文提出一种显式阻塞通知（Explicit Blocking Notification,EBN）机制的握手协议来解决无线自组织网络中的隐接收终端问题.通过采用RTS/CTS/BN/DATA/ACK握手序列来提前通知邻居节点隐终端的当前状态,避免邻居节点盲目的分组传输.仿真结果显示,EBN机制可以获得比IEEE802.11 DCF协议更加稳定的流量,同时节约带宽资源,减小分组延迟.
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| 关 键 词： | 自组织网络 媒体接入控制 隐接收终端问题 显式阻塞通知 |
| 文章编号： | 1000-1220（2007）09-1566-06 |
| 修稿时间： | 2006-06-132006-09-21 |
Explicit Blocking Notification-based Ad Hoc Network MAC Protocol |
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| ZHANG Qi-fei,LIU Wei,CHENG Wen-qing,YANG Zong-kai.Explicit Blocking Notification-based Ad Hoc Network MAC Protocol[J].Mini-micro Systems,2007,28(9):1566-1571. |
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| Authors: | ZHANG Qi-fei LIU Wei CHENG Wen-qing YANG Zong-kai |
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| Affiliation: | Department of Electronics and Information Engineering , Huazhong University of Science and Technology , Wuhan 430074,China |
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| Abstract: | The popular IEEE 802.11 DCF protocol employs the RTS/CTS scheme to overcome the well-known hidden terminal problem in wireless networks,however,it does not suffice to eliminate all the instances of hidden terminal problem completely.This paper proposes a novel Explicit Blocking Notification (EBN)-based handshake scheme to solve the hidden receiver problem in which handshake sequence RTS/CTS/BN/DATA/ACK is adopted to notify the potential senders in advance to avoid blindly transmission.The simulation results show that the proposed EBN scheme not only stabilizes the throughput more than IEEE 802.11 DCF protocol but also conserves bandwidth and experiences smaller delay. |
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| Keywords: | ad hoc networks medium access control hidden receiver problem explicit blocking notification |
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