Z Yuan, Z Zhao, Y Zhang, S Zheng, S Dai - Applied Sciences, 2023 - mdpi.com
The frequency hopping communication systems have been widely used in anti-jamming communication due to their anti-interception and anti-interference capabilities. With the …
Y Liu, W Mei, H Du - IET Signal Processing, 2014 - Wiley Online Library
The problem of estimating rapidly time‐varying channels is considered to be one of the key challenges in high mobility orthogonal frequency division multiplexing (OFDM) systems. In …
FU Wei-hong, WU Shao-hao, Z Fan-lu… - Journal of beijing …, 2014 - journal.bupt.edu.cn
Aiming at the parameter estimation of the fast frequency hopping signals for underdetermined situation, an improved blind parameter estimation algorithm was …
Z Fan, Z Lu, Y Hu - 2014 IEEE International Conference on …, 2014 - ieeexplore.ieee.org
Time domain synchronous OFDM (TDS-OFDM) has higher spectrum efficiency than standard cyclic prefix OFDM (OFDM) by replacing CP with a known training sequence as the …
Z Qin, J Wang, J Chen, L Wang - IEEE Systems Journal, 2015 - ieeexplore.ieee.org
This paper proposes an adaptive compressed spectrum sensing (CSS) algorithm to detect the spectral holes in wideband cognitive radio (CR) system without the a priori information …
J Wan, D Zhang, W Xu, Q Guo - Symmetry, 2019 - mdpi.com
Frequency hopping spread spectrum (FHSS) communication is widely used in military and civil communication, and the parameter estimation of frequency hopping (HF) signals is of …
B Ning, Z Li, L Guan, F Zhou - Iet Communications, 2017 - Wiley Online Library
Due to the broadcast nature of the radio propagation, requirements of high data rates and low probability of detection (LPD) form a well‐known trade‐off problem in covert wireless …
MF Sabahi, M Masoumzadeh… - IET …, 2016 - Wiley Online Library
The authors study the power spectrum density (PSD) estimation of wideband wide‐sense stationary (WSS) signals with sub‐Nyquist sampling rate. Owing to the large bandwidth …