COST 2100 MIMO室外信道建模研究
[Abstract]:With the development of society and economy, wireless communication system is innovated. For the communication between people, the data transmission speed is higher and higher, and the requirements for the communication scenarios are becoming more and more diverse. So that the future communication system should not only continue to improve the rate of data transmission, but also have a good guarantee for the security and communication quality of all kinds of communication scenarios. In this paper, the COST 2100 wireless channel model is studied in depth. The model is an extended geometric random channel model based on the earlier COST 259 and COST 273 models. The COST259 channel model is the first one. Considering the channel model of multi-antenna base station based on geometric statistics, The full MIMO (Multiple-Input-Multiple-Output) system later became the target of the COST 273 model, compared with the angle feature based modeling of COST259 (COST273). And it can be used in more scenarios and higher transmission frequency band. COST2100 channel model proposes the concept of scattering cluster visible region (Visibility Region) to describe the number of scattering clusters when mobile station is located at different locations. The channel characteristics are further accurately described. The parameters and important concepts in COST 2100 wireless channel model are analyzed and defined. This thesis is devoted to the research of the wireless channel characteristics of outdoor scene based on the 460MHz critical band proposed by LTE-R in the future. The characteristics of COST 2100 wireless channel model in this band, such as delay spread and Doppler spread, are investigated. Hope to be able to provide a meager reference for the future research of LTE-R. At the same time, this paper discusses the complexity of channel modeling in high-speed railway system, and puts forward the application of COST2100 wireless channel model to high-speed railway environment, and simulates and analyzes the process between base station and high-speed train. Verify the accuracy of COST 2100 channel model.
【学位授予单位】:北京交通大学
【学位级别】:硕士
【学位授予年份】:2017
【分类号】:TN919.3
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