An improved algorithm to generate a Wi-Fi fingerprint database for indoor positioning

L Chen, B Li, K Zhao, C Rizos, Z Zheng - Sensors, 2013 - mdpi.com
The major problem of Wi-Fi fingerprint-based positioning technology is the signal strength
fingerprint database creation and maintenance. The significant temporal variation of …

Performance investigation of underwater wireless optical communication system using M-ary OAMSK modulation over oceanic turbulence

W Wang, P Wang, T Cao, H Tian… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
The performance of M-ary orbital angular momentum-shift keying (OAMSK) modulation-
based underwater wireless optical communication (UWOC) system is investigated over …

Principle and performance of orbital angular momentum communication of acoustic vortex beams based on single-ring transceiver arrays

X Li, Y Li, Q Ma, G Guo, J Tu, D Zhang - Journal of Applied Physics, 2020 - pubs.aip.org
As the main way of underwater data transmission, acoustic communication is still limited by
the low-level signal-to-noise ratio and channel capacity. The orbital angular momentum …

Design of galvanic coupling intra-body communication transceiver using direct sequence spread spectrum technology

WK Chen, ZL Wei, YM Gao, ŽL Vasić, M Cifrek… - IEEE …, 2020 - ieeexplore.ieee.org
Intra-body communication (IBC) uses the human body as the transmission medium for
electrical signals, and it features the following advantages: low power consumption, strong …

Performance analysis of OOK, BPSK, QPSK modulation schemes in uplink of ground-to-satellite laser communication system under atmospheric fluctuation

Y Li, M Li, Y Poo, J Ding, M Tang, Y Lu - Optics Communications, 2014 - Elsevier
Considering the combined effects of the intensity scintillation and the beam wander in the
satellite-to-ground laser uplink communication system, the bit error rate (BER) performance …

Performance analysis of a LDPC coded OAM-based UCA FSO system exploring linear equalization with channel estimation over atmospheric turbulence

Y Zhang, P Wang, T Liu, L Guo, Y Li, W Wang - Optics Express, 2018 - opg.optica.org
A low-density parity-check (LDPC) coded orbital angular momentum (OAM)-based uniform
circular array (UCA) free space optical (FSO) system exploring linear equalization is …

[HTML][HTML] Noise-intensification data augmented machine learning for day-ahead wind power forecast

H Chen, Y Birkelund, BM Batalden, A Barabadi - Energy Reports, 2022 - Elsevier
The day-ahead wind power forecast is essential for the designation of dispatch schedules
for the grid and rational arrangement for production planning by power generation …

Ambiguity function analysis and side peaks suppression of Link16 signal based passive radar

L Bai, J Wang, X Chen - Journal of Systems Engineering and …, 2023 - ieeexplore.ieee.org
Link16 data link is the communication standard of the joint tactical information distribution
system (JTIDS) used by the US military and North Atlantic Treaty Organization, which is …

Photonic generation of background-free binary and quaternary phase-coded microwave pulses based on vector sum

M Lei, Z Zheng, C Song, Y Bai, J Qian, X Gao… - Optics …, 2019 - opg.optica.org
A photonic microwave phase-coded pulse generator is proposed and experimentally
demonstrated based on the principle of vector sum. The key component of the proposed …

[HTML][HTML] Performance analysis of radar detection for fluctuating targets based on coherent demodulation

J Wang, J Liu, W Zhao, N Xiao - Digital Signal Processing, 2022 - Elsevier
Stealth targets have extremely small Radar Cross Section (RCS) and fluctuating echoes. For
these kinds of fluctuating targets, the detection performance of non-coherent detection is …