NDLI: Influence of impulsive noise from lifts on orthogonal frequency-division multiplexing digital radio mondiale signals

Content Provider	IET Digital Library
Author	Landa, Iratxe Bravo, Ana Díez Velez, Manuel Arrinda, Amaia
Abstract	Wireless communications are constantly growing with the aim of providing solutions in complex scenarios, such as industrial environments and indoor locations, where impulsive noise sources interfere with the desired signal. Orthogonal frequency-division multiplexing (OFDM) is the most widely used technology, robust against Gaussian noise but sensitive to impulsive noise. To ensure better system performance, it is necessary to the study the impulsive noise and its effects. This work responds to the International Telecommunication Union (ITU), which in ITU-R 214 6/3 question asks for new updated noise measurements to study the systems performance. On the one hand, the study provides novel results of the impulse noise parameters from lifts and, on the other hand, analyses the influence of the impulsive noise originated from lifts at 18 MHz on OFDM digital radio mondiale (DRM) signals. Some radio noise patterns have been measured when lifts are moving up and down. The Gaussian and the impulsive components of these measurements have been computed. The influence of noise patterns in the reception of DRM-OFDM audio signals has been tested with different configuration parameters. The results provided in this report prove that OFDM signals tested are significantly degraded in the vicinity of lifts.
Starting Page	111
Ending Page	116
Page Count	6
ISSN	17518628
Volume Number	14
e-ISSN	17518636
Issue Number	Issue 1, Jan (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/14/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5458
Journal	IET Communications
Publisher Date	2019-10-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Digital Radio DRM-OFDM Audio Signal Electromagnetic Compatibility Frequency 18.0 MHz Gaussian Noise Impulse Noise Impulse Noise Parameter Impulsive Component Impulsive Noise Source Interference Lifts Mobile Radio System Modulation And Coding Method Noise Measurement OFDM Digital Radio Mondiale Signal OFDM Modulation Orthogonal Frequency-division Multiplexing Digital Radio Mondiale Signal Radio Frequency Interference Radio Link And Equipment Radio Noise Pattern Statistics System Performance Updated Noise Measurement
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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