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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1978 1
2007 1
2009 2
2012 1
2014 2
2015 2
2016 5
2017 3
2018 7
2019 3
2020 6
2021 7
2022 11
2023 12
2024 4

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65 results

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Page 1
A dataset for Wi-Fi-based human activity recognition in line-of-sight and non-line-of-sight indoor environments.
Alsaify BA, Almazari MM, Alazrai R, Daoud MI. Alsaify BA, et al. Data Brief. 2020 Nov 18;33:106534. doi: 10.1016/j.dib.2020.106534. eCollection 2020 Dec. Data Brief. 2020. PMID: 33299909 Free PMC article.
The experiments performed in the first two environments are of a line-of-sight (LOS) nature, while the experiments performed in the third environment are of a non-line-of-sight (NLOS) nature. Each subject performed 20 trials for each of t …
The experiments performed in the first two environments are of a line-of-sight (LOS) nature, while the experiments perf …
Reflector-aided underwater optical channel modeling.
Yildiz S, Baǧlica İ, Kebapçi B, Elamassie M, Uysal M. Yildiz S, et al. Opt Lett. 2022 Oct 15;47(20):5321-5324. doi: 10.1364/OL.474028. Opt Lett. 2022. PMID: 36240352
Underwater visible light communication (UVLC) has been proposed as a high-speed alternative to acoustic signaling. While most UVLC systems are configured to work in line-of-sight (LOS) conditions, it is also possible to exploit reflected signals for performan …
Underwater visible light communication (UVLC) has been proposed as a high-speed alternative to acoustic signaling. While most UVLC systems a …
Wideband TDoA Positioning Exploiting RSS-Based Clustering.
Fuchs A, Wielandner L, Neunteufel D, Arthaber H, Witrisal K. Fuchs A, et al. Sensors (Basel). 2023 Jun 20;23(12):5772. doi: 10.3390/s23125772. Sensors (Basel). 2023. PMID: 37420936 Free PMC article.
The accuracy of radio-based positioning is heavily influenced by a dense multipath (DM) channel, leading to poor position accuracy. The DM affects both time of flight (ToF) measurements extracted from wideband (WB) signals-specifically, if the bandwidth is below 100 MHz-as …
The accuracy of radio-based positioning is heavily influenced by a dense multipath (DM) channel, leading to poor position accuracy. T …
Non-line-of-sight underwater optical wireless communication network.
Arnon S, Kedar D. Arnon S, et al. J Opt Soc Am A Opt Image Sci Vis. 2009 Mar;26(3):530-9. doi: 10.1364/josaa.26.000530. J Opt Soc Am A Opt Image Sci Vis. 2009. PMID: 19252651
Addressing the special features of underwater wireless communication in sensor networks, we propose a novel non-line-of-sight network concept in which the link is implemented by means of back-reflection of the propagating optic signal at the ocean-air interfa …
Addressing the special features of underwater wireless communication in sensor networks, we propose a novel non-line-of-sig
A Novel Adaptive Modulation Based on Nondata-Aided Error Vector Magnitude in Non-Line-Of-Sight Condition of Wireless Sensor Network.
Yang F, Zeng X, Mao H, Jian X, Tan X, Du D. Yang F, et al. Sensors (Basel). 2018 Jan 15;18(1):229. doi: 10.3390/s18010229. Sensors (Basel). 2018. PMID: 29342944 Free PMC article.
With the increase of reliability and diversity of information streams, the higher requirements on throughput and quality of service (QoS) have been put forward in data transmission between two sensor nodes. However, lower spectral efficiency becomes a bottleneck in non- …
With the increase of reliability and diversity of information streams, the higher requirements on throughput and quality of service (QoS) ha …
Transmission characteristics of the rough surface scattering channel for wireless ultraviolet communication in a cemented ground scenario.
Li X, Lu T, Song P. Li X, et al. Appl Opt. 2023 Jun 10;62(17):4591-4599. doi: 10.1364/AO.482957. Appl Opt. 2023. PMID: 37707156
During non-line-of-sight ultraviolet (UV) communication, as the elevation angle of the transmitter decreases, more UV photons can be scattered by the ground and reach the receiver, and those photons are important components of the received signals. In this pa …
During non-line-of-sight ultraviolet (UV) communication, as the elevation angle of the transmitter decreases, more UV p …
Channel Characterization of Magnetic Human Body Communication.
Wen E, Sievenpiper D, Mercier P. Wen E, et al. IEEE Trans Biomed Eng. 2022 Feb;69(2):569-579. doi: 10.1109/TBME.2021.3101766. Epub 2022 Jan 21. IEEE Trans Biomed Eng. 2022. PMID: 34347590
RESULTS: The mHBC link for the ear-to-ear non-line-of-sight (NLOS) path measures up to -23.1 dB and -31.2 dB with large and small coils, respectively, which is 50 dB more efficient than the conventional Bluetooth channels utilizing antennas of similar …
RESULTS: The mHBC link for the ear-to-ear non-line-of-sight (NLOS) path measures up to -23.1 dB and -31.2 dB with large …
Performance analysis of multiple-beam WDM free space laser-communication system using homodyne detection approach.
Gupta YK, Goel A. Gupta YK, et al. Heliyon. 2023 Jan 28;9(2):e13325. doi: 10.1016/j.heliyon.2023.e13325. eCollection 2023 Feb. Heliyon. 2023. PMID: 36755596 Free PMC article.
A free space optical module is used in laser communication to transport a signal from the transmitter to the receiver. Free Space Optical Communication (FSOC) is a Line of Sight connectivity that sends a highly narrow beamwidth. ...The proposed framework has …
A free space optical module is used in laser communication to transport a signal from the transmitter to the receiver. Free Space Optical Co …
Multi-Functional Reconfigurable Intelligent Surfaces for Enhanced Sensing and Communication.
Singh K, Saikia M, Thiyagarajan K, Thalakotuna D, Esselle K, Kodagoda S. Singh K, et al. Sensors (Basel). 2023 Oct 18;23(20):8561. doi: 10.3390/s23208561. Sensors (Basel). 2023. PMID: 37896654 Free PMC article.
In this paper, we propose a reconfigurable intelligent surface (RIS) that can dynamically switch the transmission and reflection phase of incident electromagnetic waves in real time to realize the dual-beam or quad-beam and convert the polarization of the transmitted beam. …
In this paper, we propose a reconfigurable intelligent surface (RIS) that can dynamically switch the transmission and reflection phas …
5G V2X Performance Comparison for Different Channel Coding Schemes and Propagation Models.
Chatzoulis D, Chaikalis C, Kosmanos D, Anagnostou KE, Karetsos GT. Chatzoulis D, et al. Sensors (Basel). 2023 Feb 22;23(5):2436. doi: 10.3390/s23052436. Sensors (Basel). 2023. PMID: 36904638 Free PMC article.
Channel coding is a fundamental procedure in wireless telecommunication systems and has a strong impact on the data transmission quality. ...For this purpose, we employ stochastic propagation models that simulate the cases of line of sight (LOS)
Channel coding is a fundamental procedure in wireless telecommunication systems and has a strong impact on the data transmission
65 results