This study is a survey of sound source localization and detection methods. The study
provides a detailed classification of the methods used in the fields of science mentioned …

High-precision indoor positioning technology is regarded as one of the core components of
artificial intelligence (AI) and Internet of Things (IoT) applications. Over the past decades …

During the past decade, there has been an increasing interest in the audio-based indoor
localization approach, which has benefited from the high precision, high privacy, and high …

Positioning systems have become increasingly popular in the last decade for location-based
services, such as navigation, and asset tracking and management. As opposed to outdoor …

To achieve high precision and robust positioning on mobile devices, we propose a novel
audio signal arrival time detection algorithm consisting of both coarse and fine searches. A …

Wi-Fi fingerprint systems provide cost-effective and reliable solution for indoor positioning.
However, such systems incur high calibration cost in the training phase and high searching …

Existing indoor positioning systems, such as WiFi, Bluetooth and ultra-wideband based
solutions, have difficulty achieving a balance among cost, accuracy and coverage …

Measurement of linear frequency modulation (LFM) signal is significant for radar,
communication, and electronic reconnaissance fields. An LFM signal is a wideband signal …

The discrete fractional Fourier transform (DFRFT) plays an important role in processing time-
varying signals. Nevertheless, directly computing the DFRFT involves high complexity …

High-precision indoor positioning technology is of great significance to the development of
national economy. In recent years, with the increasing demand for location services and the …