Model-based compressive channel estimation over rapidly time-varying channels in OFDM systems

Y Liu, W Mei, H Du - IEICE Transactions on Communications, 2014 - search.ieice.org
By exploiting the inherent sparsity of wireless propagation channels, the theory of
compressive sensing (CS) provides us with novel technologies to estimate the channel state …

Intelligent Reception of Frequency Hopping Signals Based on CVDP

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 …

Two compressive sensing‐based estimation schemes designed for rapidly time‐varying channels in orthogonal frequency division multiplexing systems

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 …

A blind parameter estimation algorithm of fast frequency hopping signals for underdetermined situation based on ARMA model

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 …

Reliable channel estimation based on Bayesian compressive sensing for TDS-OFDM systems

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 …

Adaptive compressed spectrum sensing based on cross validation in wideband cognitive radio system

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 …

Parameter estimation of multi frequency hopping signals based on space-time-frequency distribution

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 …

[引用][C] Parameter estimation of frequency hopping signals under complex high frequency channels

Y Li, L Wang, TY Li, LD Ge - Journal of …, 2011 - Journal of Information Engineering …

Probabilistic frequency‐hopping sequence with low probability of detection based on spectrum sensing

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 …

Frequency‐domain wideband compressive spectrum sensing

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 …