On the possibility to use leaky feeders for positioning in chirp spread spectrum technologies

Moschevikin, Alex; Serezhina, Maria; Sikora, Axel

doi:10.1109/idaacs-sws.2014.6954624

Cited by 5 publications

(4 citation statements)

References 13 publications

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“…Positioning systems in underground mines are mainly used for personnel tracking and proximity detection. Moschevikin et al [105] discussed the possibility of real-time localization in underground linear mine tunnel environments by using leak feeders. Fink and Beikirch [106] proposed a personnel tracking system for longwall coal mines based on RFID technology and RSS measurements.…”

Section: Personnel and Equipment Positioningmentioning

confidence: 99%

Recent Advancements in IoT Implementation for Environmental, Safety, and Production Monitoring in Underground Mines

Zhang

Karimi

et al. 2023

IEEE Internet Things J.

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Internet of Things (IoT) technology has been widely used for real-time monitoring of the environment, safety and production in underground mines. This paper presents the basic structure of a Mine Internet of Things (MIoT) system based on a widely used three-layer IoT architecture, classifies types of sensors commonly used in underground mines by specific application, and introduces available wired and wireless communication technologies and network topologies that can be applied in underground mines. This paper provides a comprehensive review of recent developments in IoT applications in underground mines to monitor various environmental parameters, including mine gas and dust concentrations, temperature, humidity and airflow, groundwater, ground support and seismic activity. MIoT applications for fire and hazard detection, personnel and equipment positioning, and production safety management have also been investigated. This paper highlights key challenges for the broad application of IoT technology in underground mines such as operation disruption, additional investment, limited battery life, poor quality of underground communication, and difficulty in data management. Further research on novel advanced techniques, such as selfpowered sensors, MIoT standardization and underground wireless communication technologies, is essential to improve the applicability and effectiveness of IoT applications in underground mines.

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Section: Personnel and Equipment Positioningmentioning

confidence: 99%

Recent Advancements in IoT Implementation for Environmental, Safety, and Production Monitoring in Underground Mines

Zhang

Karimi

et al. 2023

IEEE Internet Things J.

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“…This is due to the characteristics of the radiating cable to provide more uniformly distributed coverage, avoiding leakage peaks arising from particular antennas in DAS. • Enable real time localization: in [102] Moschevikin et al and in [103] Serezhina et al studied the possibilities to use leaky feeders also for Time-of-Flight (ToF) based real time localization in such linear topologies, like tunnels, but possibly also for two dimensions (2D) localization. As a general result, leaky feeders might be useful for ToF-based localization using Chirp Spread Spectrum Technologies.…”

Section: ) Models For Propagation In Radiating Cablesmentioning

confidence: 99%

“…As a general result, leaky feeders might be useful for ToF-based localization using Chirp Spread Spectrum Technologies. However, in [102] they realized that additional signal processing and filtering is required to eliminate the additional variations from the different propagation speeds in the cable and in the air, and the different available propagation paths.…”

Section: ) Models For Propagation In Radiating Cablesmentioning

confidence: 99%

Bringing It Indoors: A Review of Narrowband Radio Propagation Modeling for Enclosed Spaces

2020

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Small cells are now widely deployed indoors to address hot-spot areas where capacity uplift is needed. This deployment leads to the increase of wireless networks as a challenge to service demands of personal communication systems, which has inspired the scientific community to work towards understanding and predicting in-building radio wave propagation performance. Despite this, only a few reviews have attempted to overview channel modeling for specific indoor environments and even fewer outline remarks that include a methodology for designing and planning indoor radio systems. Consequently, a comprehensive survey of indoor narrowband channel models is presented, spanning more than 30 years of continuous research to overview and contrast significant developments including their disadvantages, and proposing a new taxonomy to analyze them. Finally, remarks on indoor radio propagation modeling with a vision for future research opportunities are presented. ⋮ INDEX TERMS Indoor channel models, indoor radio wave propagation, wireless propagation.

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“…For example, Nishikawa et al [ 12 ] presented a two-dimensional (2D) position of a mobile antenna near a radiating cable and calculated it using a vector network analyzer (VNA), which measured the arrival time for two signal components received via a mobile antenna: a direct signal emitted from a radiating cable and a signal reflected from the open end of the cable. Moschevikin et al [ 13 ] proposed a different approach—i.e., a two-dimensional position estimation of an experimental active terminal—equipped with a transmitter and receiver that simultaneously used round-trip time (RTT) and signal power measurements (e.g., RSS, received signal strength). Although this paper does not summarize position accuracy evaluation, it provide useful information regarding observed propagation of chirp sounding signals emitted by radiating cables.…”

Section: Related Workmentioning

confidence: 99%

Position Estimation in Corridors Along the Coupled Mode of Radiating Cables

Blaszkiewicz

Sadowski

Stefański

2020

Sensors

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Radiating cables are mostly used to provide radio communication in tunnels or corridors, but they can also be used to estimate the position of a mobile terminal along the cable. In this paper, a measuring receiver’s position was estimated by measuring the difference in the direct signal’s reception time, which was generated by a transmitter connected to one end of the radiating cable, and the delayed signal retransmitted from another end. During tests, a relatively narrowband (23 MHz) signal was used in the unlicensed band (2.4 GHz) and 50 m long coupled mode radiating cable. The cable was installed along a corridor in the office building. Measurement results used different equipment configurations (i.e., return signal only amplified or amplified and frequency-shifted), which presented possible sources of errors.

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On the possibility to use leaky feeders for positioning in chirp spread spectrum technologies

Cited by 5 publications

References 13 publications

Recent Advancements in IoT Implementation for Environmental, Safety, and Production Monitoring in Underground Mines

Recent Advancements in IoT Implementation for Environmental, Safety, and Production Monitoring in Underground Mines

Bringing It Indoors: A Review of Narrowband Radio Propagation Modeling for Enclosed Spaces

Position Estimation in Corridors Along the Coupled Mode of Radiating Cables

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