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Mobile user location in dense urban environment using unified statistical model

机译:使用统一统计模型的密集城市环境中的移动用户位置

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A statistical approach for mobile subscriber (MS) location in urban environment is derived in this work. Availability of novel 4G mobile broadband technologies motivated a renewed interest in applications which require MS positioning. Implementation of these applications in urban environment depends on the ability to locate the MS in NLOS propagation conditions. A recently proposed statistical model of the propagation conditions in urban built-up environment, is adopted in this work. The statistical model is parameterized by the MS location, and is interpreted as a likelihood function. The proposed method does not involve any significant data collection during the training process, it requires only a single base station (BS), does not require identification or mitigation of the NLOS conditions, and is computationally efficient. Source localization performance of the proposed method was evaluated using a measured data, and acceptable localization accuracy was achieved.
机译:在这项工作中得出了一种统计方法,用于在城市环境中移动用户(MS)的位置。新型4G移动宽带技术的出现引起了人们对需要MS定位的应用的新兴趣。这些应用在城市环境中的实现取决于将MS定位在NLOS传播条件下的能力。在这项工作中采用了最近提出的城市建成环境中的传播条件的统计模型。统计模型由MS位置参数化,并解释为似然函数。所提出的方法在训练过程中不涉及任何重要的数据收集,它仅需要单个基站(BS),不需要识别或缓解NLOS条件,并且计算效率高。使用实测数据评估了所提出方法的源定位性能,并获得了可接受的定位精度。

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