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| Abstract: |
| The most essential issue is to ensure the reliability of data transmission during wireless communication and reduce energy consumption of the network for supervising the environmental state using wireless sensor network (WSN). Here, a cluster-based virtual cooperative MIMO transmission scheme (CVCM) is suggested, The proposed scheme involves optimization of cooperative nodes and the modulation speed dynamically as per the distance space the cluster head and the sink node, in order to minimize the communication energy consumption of each virtual MIMO unit and the convergence node, thereby reducing the capacity consumption of the entire network. Simulation and experimental results demonstrate the effectiveness of CVCM in reducing network energy consumption, increasing the network lifetime and improving data reception performance of the base station. |
| Key words: cluster virtual cooperative MIMO dynamic configuration modulation speed |
| DOI：10.11916/j.issn.1005-9113.16161 |
| Clc Number:TP391.9 |
| Fund: |
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| Descriptions in Chinese: |
| 基于分簇的虚拟协作MIMO传输策略研究 吕红芳 （上海电机学院 电气学院） 中文摘要：无线传感器网络应用于环境状态监测时，最关键的问题是在无线通信时保障数据传输的可靠性、降低全网的能量消耗。本文提出了一种基于分簇的虚拟协作MIMO传输策略（CVCM），该方案根据簇头节点到汇聚节点的距离动态配置最佳的协作节点数目和调制速率，保证每个虚拟MIMO单元和汇聚节点的通信能耗最小，从而降低整个网络的能力消耗。仿真实验结果表明，CVCM有效地降低了网络能耗，延长了网络的生命周期，提高了基站接收数据的有效性。 关键词：分簇；虚拟协作MIMO；动态配置；调制速率 |
