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介绍UWB无线脉冲通讯系统性能之电脑模拟及研究,研究超宽频的通讯技术.-introduced pulse UWB wireless communication system performance computer simulation and study the ultra-broadband communications technology.
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研究了多速率mesh网络中节点的吞吐量.:提出了多速率无线Mesh网络中节点吞吐量分析模型,用以分析在公平性保证条件下基于IEEE 802·11协
议构建的无线Mesh网络节点吞吐量.该模型计算出不同速率无线链路发送数据包的时间,寻找网络中单位时间
内完成数据包发送时间最大的瓶颈冲突域,根据瓶颈冲突域内负载流量速率得到节点吞吐量最大值.仿真结果表
明,该方法计算出的节点最大吞吐量与网络仿真结果一致,可以准确分析多速率无线Mesh网络节点吞吐量.
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介绍了矿下无线应急通信的关键技术，并用NS对之进行了仿真说明-Describes the mine under the wireless emergency communications the key technology and uses a simulation of the NS right note
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对煤矿无线定位技术的关键技术作了说明和分析，对提出的新技术作了仿真分析，对当前无线定位技术作了全面的概述和展望-Wireless location technology in coal mines explained the key technologies and analysis, new techniques were proposed simulation analysis on the current wireless location technology, gave a compr
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对煤矿中的无线通信的关键技术——频率的选择作了详细的描述，并通过仿真说明了在何种频率中才能达到无线天线发射的最优化-Coal mine in the key technology of wireless communication- the choice of frequency gave a detailed descr iption and the simulation shows what frequency to achieve the optimization of the wirel
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Abstract—LEACH is a hierarchy routing protocol for WSN (wireless sensor networks), which is superior to direct communication protocol, minimum-transmission-energy protocol and static clustering protocol. owever, LEACH itself has some defects. In this
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Abstract: The optimal number of cluster heads is an important parameter of wireless sensor network performance. Network nodes will consume more energy if the number of cluster heads is too much or too little. This paper focuses on novel calculation m
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为了减少无线信道中存在的多径和频偏对中国移动多媒体广播(CMMB)系统传输信号同步的影响，本文结合CMMB标准协议规定的具体帧结构，分析了符号同步对系统的影响，讨论了传统最大似然(ML)算法的优缺点，并基于文献中的无数据辅助算法，提出了一种适合该系统并且复杂度较低的粗符号定时同步算法。仿真结果表明，在AWGN及多径信道环境下，新算法可以有效克服传统算法相关峰不明显的缺陷，其估计性能更好-In order to reduce the influence for synchronization of
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NS2 wireless simulation and wiresd scenario
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wireless sensor netwwork simulation by matlab ....><
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Anypath routing is proposed to improve the performance
of wireless networks by exploiting the spatial diversity and
broadcast nature of the wireless medium. In this paper, we study
anypath routing in wireless networks with directional antennas,
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Abstract—In this paper we propose the channel assignment
scheme for multi-channel wireless mesh network (WMN), where
each mesh router is equipped with multiple radio interfaces. In
real WMN the number of radio interfaces is much higher than
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