基于复杂网络演化的多跳中继网络容量优化与节能机制研究

项目名称： 基于复杂网络演化的多跳中继网络容量优化与节能机制研究

项目编号： No.61461029

项目类型： 地区科学基金项目

立项/批准年度： 2015

项目学科： 无线电电子学、电信技术

项目作者： 肖霖

作者单位： 南昌大学

项目金额： 43万元

中文摘要： 中继多跳技术是下一代无线网络中提高容量与能效的关键技术。无线网络容量与能效的研究可以为传输策略与节能机制设计提供有效的理论依据，但当前相关研究依然存在挑战。现有模型无法表征真实无线网络特性，网络容量性质研究受限；只考虑单节点的节能技术无法实现整网能效优化。本项目将复杂网络理论与无线网络特性相结合，构建无线多跳中继复杂网络演化模型，以此为基础研究无线多跳中继网络容量与能效问题。主要研究内容包括：分析无线节点行为特性，建立空间复杂网络演化模型并提取特征参量；研究无线多跳中继网络的网络容量，通过对复杂网络特征参量分析揭示容量性质，提出中继协作演化博弈实现网络容量优化；结合复杂网络特征提出单节点与整网能效衡量准则，以整网能效提升为目标研究网络能效优化方法，设计节能机制并验证性能。本项目网络容量研究成果可进行更一般的推广，为相关研究提供理论工具与分析方法；网络能效优化策略在绿色通信中具有应用价值。

中文关键词： 网络容量；能量效率；网络信息论；复杂网络

英文摘要： Multihop relay technology is a key technology to improve the capacity and energy efficiency performance in the next generation wireless networks. Research on the issues of wireless network capacity and energy efficiency can provide an effective theoretical basis for designing transmission strategy and power saving mechanism. However, the current research still remain some technical challenges : Existing models can not characterize the true property of wireless networks; It is limited study on the network capacity issue; Considering the power saving soltuion obtained from a single node scenario,It can not optimize the whole network power saving. This research project will combine the complex network theory and wireless networking features, build the complex network evolution model in wireless space ,as a basis to investigate the issue of the network capacity and energy efficiency in multi-hop relay network . The main contents include : It is proposed to analyze the behavioral property of wireless nodes to establish space complex network evolution model and extract property parameters; Study the issue of wireless multi-hop relay network capacity. Through anaylzing the property of parameters in complex network, it can reveal the nature of network capacity. It is proposed to using relay cooperative evolutionary game theory to optimize the network capacity; Combining the characteristics of complex network, a new energy efficiency criteria is porposed for single node and whole network. In order to improve the energy efficiency of the whole network, the optimal solution is proposed and testified the performance of the energy-saving mechanism . The achievement of this project can be more general promotion, and provide the theoretical tools and analytical methods for the related research. The strategy of network efficiency optimization can be applied in green communications.

英文关键词： network capacity;energy efficiency;network information theory;complex network