网络基本构成单元信息容量区域分析与计算研究立项报告

Application Report of Analysis and Calculation of Information Capacity Region of Basic Network Component

随着科技的不断进步,需要通信的场合越来越复杂多变,在新的网络通信环境下,亟需建立一套完善的涵盖高速移动、复杂干扰等场景的宽带无线通信网络重点理论基础体系,用以指导各类无线通信网络的设计与建设,实现各种资源的有效配置和利用,提高信息传输效能。该研究旨在解决关键科学问题:无线通信网络资源制约系统性能的规律。从网络基本构成单元信息容量域的分析与计算出发,基于网络信息容量的认知,建立网络信息容量的数学模型,研究规模化无线网络的动态性能限,并量化无线网络资源、用户行为和移动性等通信场景对系统性能的制约,从而获得高速移动与复杂干扰等场景下的无线宽带通信网络设计的理论指导和优化目标。针对处于不同场景、承载不同业务、具有不同网络结构和不同用户行为模式的异构的无线通信网络,笔者研究的内容主要涉及:信道不匹配场景下的性能限,反馈在高速移动环境下能否提高容量;协作通信系统的容量限如何确定;有限反馈机制、不同的协作通信协议以及多样化干扰形态等因素如何影响无线通信网络的信息容量;如何将用户高移动性纳入信息容量限等。通过研究,将发展与完善广播、多址、中继、干扰、反馈等网络基本构成单元信息容量域的分析,形成较为完整的高速移动等复杂场景下通信极限分析的理论框架。

As the science and technology constantly advances, the circumstances that demand for communication are getting increasingly complicated. In the new network communication environment, it is urgent to establish a thorough theoretical foundation system on the broadband wireless communication network which covers scenarios like high-speed mobility, complex interference and etc. thereby providing directions on the design and construction of different kinds of wireless communication network in order to achieve efficient allocation and utilization of various resources and improve the efficiency of information transmission. This subject is intended to solve the critical scientific issue： the rule of how wireless communication network resources restrict the system performance. In order to acquire theoretical instructions and optimization goals on designing broadband wireless communication network in scenarios like high-- speed mobility and complex interference, we start with analyzing and calculating the information capacity field of the network basic unit, establish the corresponding mathematical model based on the knowledge of network information capacity, and then study the dynamicperformance limit of large--scale wireless communication as well as quantifying the restriction on the system performance by resources, user behaviors and scenarios like high--speed mobility respectively. According to the heterogeneous wireless communication network in different scenarios, carrying different bearer service, or having different network structure and user behavior patterns, the content of our research is mainly related to： the calculation of performance limit in mismatching channelswhether feedback is capable of improving capacity in high--speed mobile scenariohow to define the capacity limit of cooperative communicationhow limited feedback mechanisms, different cooperative communication protocols as well as diversified forms of interference and other factors affect the information capacity of a wireless communication networkhow to introduce the factor of high-speed mobility into the information capacity limits, etc The study of this research is supposed to develop and complete the information capacity field analysis of the network basic unit like broadcast, multicast, relay, interference, feedback, etc., and thus form a more complete theoretical framework of analyzing communication limit under complex scenarios like high--speed mobility