基于rssi的智能手机距离估计的多步骤方法

2015 International Conference on Networking Systems and Security (NSysS) Pub Date : 2015-02-19 DOI:10.1109/NSysS.2015.7042942

T. Chowdhury, M. M. Rahman, Sadre-Ala Parvez, A. Alam, A. Basher, A. Alam, S. Rizwan

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引用次数: 46

摘要

测量无线设备与接收信号强度指示(RSSI)之间的距离已成为室内定位和室内导航(IPIN)的基本但具有挑战性的要求之一。为了解决这一问题，我们提出了一种结合平坦地球模型、自由空间Friis模型和线性近似模型的多步骤方法，用于测量具有低功耗蓝牙(BLE)连接的智能设备与RSSI的距离。为了得到更好的结果，我们提出了一种改进的RSSI平均平滑算法。测量距离误差显著降低13.4%。

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A multi-step approach for RSSi-based distance estimation using smartphones

Measuring distance from Received Signal Strength Indication (RSSI) of wireless devices has become one of the rudimentary but challenging requirements for Indoor Positioning and Indoor Navigation (IPIN). To address this subject, we propose a novel multi-step approach combining Flat Earth Model, Free Space Friis Model and Linear Approximation Model for measuring distance from RSSI for smart devices with Bluetooth Low Energy (BLE) connectivity. To get better result we proposed an improved averaging and smoothing algorithm of RSSI. We have significantly achieved 13.4% reduced error of measured distance.

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2015 International Conference on Networking Systems and Security (NSysS)

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