Distributed Resource Allocation and Interference Management for Dense Heterogeneous Wireless Networks

该NSF合作项目研究了为频谱高效的无线异质网络提供多级覆盖和服务的动态资源分配和干扰管理策略的设计和优化。本研究项目是受4G无线系统在异质网络部署和标准化(HetNet)方面的最新进展推动的。这样的网络为不同优先级和动态质量需求的移动用户提供服务。随着越来越多的高级物理层方案和媒体接入协议被集成到无线标准中，无线网络未来的性能提升和进步必须更多地依赖于动态的、自适应地响应于特定位置和时间的环境的智能资源分配和干扰管理策略。在这个项目中，研究小组将解决HetNet中出现的关键部署问题，重点是开发分布式和有效的资源分配和干扰管理机制，以促进在不同环境中的低复杂性和分散的网络运营。该项目方法基于HetNet中干扰控制和抑制的新优化框架。研究的目标是为HetNet的实际实现开发健壮和可靠的解决方案。该项目的成果将促进跨越多个网络和多个网络层的新技术方向。特别是，研究结果将有助于无线HetNet的近期部署，包括毫微微蜂窝部署的广泛应用。这一国际合作项目在国内和国际上都产生了广泛的技术影响。该项目成功实施的结果预计将对未来无线网络的设计、部署和运营产生重大影响。在高质量期刊和技术会议上传播研究成果的计划将通过提供关于高频谱效率和用户满意度的干扰控制和管理的关键信息，直接促进无线产业。项目成果还可以为国际电信界确立新的研究方向。项目活动将带来新的分析工具和发现，可能会对其他科学和工程研究领域产生影响。该项目将进一步为高科技产业培养高素质的人才。

This NSF collaboration project investigates the design and optimization of dynamic resource allocation and interference management strategies for spectrally efficient wireless heterogeneous networks that provide multi-level coverage and services. This research project is motivated by the recent advances in 4G wireless systems on the deployment and standardization of heterogeneous networks (HetNet). Such networks provide services to mobile subscribers of different priorities and dynamic quality needs. As more and more advanced physical layer schemes and medium access protocols are being integrated into wireless standards, future performance gain and progress in wireless networks have to rely more on intelligent resource allocation and interference management strategies that are dynamical and are adaptively responsive to location-and-time specific environment. In this project, the research team will address critical deployment issues that arise in HetNet by focusing on the development of distributed and effective mechanisms for resource allocation and interference management in order to facilitate low complexity and decentralized network operation in heterogeneous environments. The project methodology is based on novel optimization frameworks for interference control and suppression in HetNet. The research goal is to develop robust and reliable solutions for practical implementations of HetNet. The project results will facilitate novel technological directions that transcend multiple networks and multiple network layers. In particular, the results will assist the near term deployment of wireless HetNet, including the broad application of femtocell deployment. The technical impacts of this international collaboration project are broad both domestically and internationally. Results from successful execution of the project are expected to significantly impact the design, deployment, and operation of future wireless networks. The plan to disseminating research findings at quality journals and technical conferences will contribute directly to the wireless industry by providing critical information on interference control and management for high spectral efficiency and user satisfaction. The project outcomes can also establish new research directions for the international telecommunications community. The project activities will lead to new analytical tools and discoveries that can impact other science and engineering research fields. The project will further contribute to the training of highly qualified personnel for the hi-tech industry.