| 一种高效节能的无线传感器网络 MAC 协议 |
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| 引用本文： | 梁潘,冯朝胜.一种高效节能的无线传感器网络 MAC 协议[J].微电子学与计算机,2011,28(3). |
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| 作者姓名： | 梁潘 冯朝胜 |
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| 作者单位： | 1. 阿坝师范高等专科学校,电子信息工程系,四川,郫县,611741;四川师范大学,计算机学院,四川,成都,610066
2. 四川师范大学,计算机学院,四川,成都,610066 |
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| 基金项目： | 国家自然科学基金项目，四川师范大学重点项目 |
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| 摘 要： | 针对无线传感器网络 MAC 协议的作用与要求,给出一种基于 CDMA 的 MAC 协议改进方案.根据网络负载变化采用周期性的侦听/睡眠机制,使大多数节点处于睡眠状态,节省能耗;同时结合 CDMA 技术给节点分配网内唯一的具有正交性的高速伪随机码(PN)来调制数据信号,使之在时域和频域重叠,实现数据的大规模实时传送.仿真结果表明,协议在保证系统低延时和高吞吐量的同时,能明显减少能量消耗.
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| 关 键 词： | MAC 协议 侦听/睡眠机制 仿真 |
Efficient Energe-Saved MAC Protocol for Wireless Sensor Networks |
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| LIANG Pan,FENG Chao-sheng.Efficient Energe-Saved MAC Protocol for Wireless Sensor Networks[J].Microelectronics & Computer,2011,28(3). |
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| Authors: | LIANG Pan FENG Chao-sheng |
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| Affiliation: | LIANG Pan1,2,FENG Chao-sheng2(1 Department of Electronic Information,ABA Teachers College,Pixian 611741,China,2 School of Computer Science,Sichuan Normal University,Chengdu 610066,China) |
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| Abstract: | Aiming at the functions and requirements of the MAC protocols in Wireless Sensor Networks,this paper proposes an improved MAC protocol based on CDMA.According to the changes of network traffic,listen/sleep mechanism keeped most nodes in sleeping to save energy.And combined the technology of CDMA,the nodes used the high-speed pseudo-random code(PN) with the characteristics of uniqueness in network and orthogonality to modulate data signals,which can be overlapped in time and frequency,to achieve transmission... |
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| Keywords: | CDMA |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
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