The Simulation of Smart Antennas in Network Simulator-2 Using MATLAB
The Simulation of Smart Antennas in Network Simulator-2 Using MATLAB
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使用 MATLAB 在 Network Simulator-2 中对智能天线进行仿真
DOI：
10.1109/camad.2009.5161475
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
Alessandro Mania
中科院分区：
文献类型：
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作者：
F. Babich;M. Comisso;A. Dorni;Flavio Barisi;Alessandro Mania
本文提出了网络模拟器 2 (ns-2) 的扩展，可以使用 MATLAB 在实际信道条件下模拟自适应天线。采用混合离散事件离散时间方法，利用 ns-2 的可扩展性进行网络仿真，并利用 MATLAB 的建模功能进行物理层实现。开发的包考虑了物理天线系统和信号处理算法，对每个网络节点生成的天线辐射方向图进行详细建模。 ns-2 的无线传播模型通常仅考虑路径损耗衰减和阴影，经过修改以包含功率方位角频谱 (PAS)，从而提高了存在多径时每个节点的估计信号干扰加噪声比 (SINR) 的准确性。所提出的数值模型可与 ns-2 支持的任何无线网络连接，用于评估无线网状网络 (WMN) 的吞吐量。
This paper presents an extension for network simulator-2 (ns-2) that enables the simulation of adaptive antennas in realistic channel conditions using MATLAB. A hybrid discrete-event discrete-time approach is adopted to exploit the scalability properties of ns-2 for the network simulation, and the modeling capabilities of MATLAB for the physical layer implementation. The developed package takes into account the physical antenna system and the signal processing algorithm to model in detail the antenna radiation pattern generated by each network node. The wireless propagation model of ns-2, which typically accounts only for path-loss attenuation and shadowing, is modified to include the Power Azimuth Spectrum (PAS), thus improving the accuracy of the estimated Signal to Interference plus Noise Ratio (SINR) at each node in presence of multipath. The proposed numerical model, which can be interfaced with any wireless network supported by ns-2, is used to evaluate the throughput of a Wireless Mesh Network (WMN).