Mobility

Hybrid Real-Time and Preset Processing for Indoor Radio Geo-Location in Dense Multipath Environments

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Executive Summary

The existence of various geo-location applications and their accuracy requirements enhance the necessities for suitable processing techniques to solve the indoor geo-location problems. Since, Impulse Radio Ultra-WideBand (IR-UWB) signals have very short duration pulses; they can provide very accurate ranging and geo-location capability in short range indoor radio propagation environments. The authors' research puts emphasis on indoor geo-location using UWB signaling considering both of Non Line-Of-Sight (NLOS) and LOS radio propagation environments. In this paper, they introduce and investigate a noble approach which makes a hybrid combination of Channel Impulse Response (CIR)-based Finger-Printing (FP) method with polygonal arrangement of reference nodes (or tags) and an iterative-TOA based real-time geo-location method using UWB signaling for wireless ad hoc networks.

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