Dyloc: Dynamic and Collaborative User-controlled AOA based Localizing System with your laptops
Ouyang Zhang, Kannan Srinivasan

TL;DR
Dyloc is a novel WiFi-based localization system that uses AOA estimation on laptops, enabling accurate, infrastructure-free, and collaborative localization without requiring multiple antennas or network infrastructure.
Contribution
It introduces a dynamic, user-controlled localization system utilizing AOA estimation on laptops, overcoming antenna limitations and eliminating the need for infrastructure anchors.
Findings
Achieves localization accuracy comparable to state-of-the-art systems.
Operates effectively with fewer antennas and larger antenna separation.
Provides a self-localization method without infrastructure anchors.
Abstract
Currently, accurate localization system based on commodity WiFi devices is not broadly available yet. In the literature, the solutions are based on either network infrastructure like WiFi router, which have at least three antennas, or sacrifice accuracy with coarse grained information like RSSI. In this work, we design a new localizing system which is accurate based on AOA estimation and instantly deployable on users' devices. Dyloc is designed to be dynamically constructed with user's devices as network nodes without any network infrastructure. On the platform of laptops, our system achieve comparable localization accuracy with state-of-the-art work despite of the limitation of less number and large separation of antennas. We design multi-stage signal processing to resolve the ambiguity issue arisen in this scenario. To enable dynamic and collaborative construction, our system can…
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Taxonomy
TopicsIndoor and Outdoor Localization Technologies · Underwater Vehicles and Communication Systems · Robotics and Sensor-Based Localization
