- UHRA Home
- Browsing by Author
Browsing by Author "Sun, Yichuang"
Now showing items 41-60 of 140
-
Efficient space-frequency block coded pilot-aided channel estimation method for multiple-input-multiple-output orthogonal frequency division multiplexing systems over mobile frequency-selective fading channels
Delestre, Fabien; Owojaiye, Gbenga; Sun, Yichuang (2014-04-17)An iterative pilot-aided channel estimation technique for space-frequency block coded (SFBC) multiple-input multiple-output orthogonal frequency division multiplexing systems is proposed. Traditionally, when channel ... -
An elliptic filter based on MLF LF structure for wireless receiver
Zhu, Xi; Sun, Yichuang (Institute of Electrical and Electronics Engineers (IEEE), 2013-12-01)A CMOS fifth-order Gm-C elliptic lowpass filter based on the voltage-mode multiple loop feedback (MLF) leap-frog (LF) configuration is designed. The filter is implemented using a fully-differential linear operational ... -
Energy Efficient Relay Selection Algorithm for Virtual MIMO Cooperative Networks
El Cheikh, Mohamad; Simpson, Oluyomi; Sun, Yichuang (Institute of Electrical and Electronics Engineers (IEEE), 2020-07-27)In this paper, we propose a distance based energy efficient multiple relay selection algorithm for cooperative virtual Multiple-Input-Multiple-Output (MIMO). The fundamentals of this method is to forward the source signal ... -
Event-Triggered Control for Robust Exponential Synchronization of Inertial Memristive Neural Networks Under Parameter Disturbance
Yao, Wei; Wang, Chunhua; Sun, Yichuang; Gong, Shuqing; Lin, Hairong (2023-05-04)Synchronization of memristive neural networks (MNNs) by using network control scheme has been widely and deeply studied. However, these researches are usually restricted to traditional continuous-time control methods for ... -
Exponential multistability of memristive Cohen-Grossberg neural networks with stochastic parameter perturbations
Yao, Wei; Wang, Chunhua; Sun, Yichuang; Zhou, Chao; Lin, Hairong (2020-12-01)Due to instability being induced easily by parameter disturbances of network systems, this paper investigates the multistability of memristive Cohen-Grossberg neural networks (MCGNNs) under stochastic parameter perturbations. ... -
An Extremely Simple Multi-Wing Chaotic System: Dynamics Analysis, Encryption Application and Hardware Implementation
Lin, Hairong; Wang, Chunhua; Yu, Fei; Xu, Cong; Hong , Qinghui; Yao, Wei; Sun, Yichuang (2020-12-31)Polynomial functions have been the main barrierrestricting the circuit realization and engineering applicationof multi-wing chaotic systems (MWCSs). To eliminate thisbottleneck, we construct a simple MWCS without ... -
An Efficient Low Cost FPGA MIMO Channel Model
Slaney , Andrew; Sun, Yichuang; Simpson, Oluyomi (Institute of Electrical and Electronics Engineers (IEEE), 2022-12-12)In this paper, a mathematical model for generating AWGN and Rayleigh fading is presented and argued based around the generation of Gaussian distributed numbers. This paper is focused on a multiple input multiple output ... -
A family of memristive multibutterfly chaotic systems with multidirectional initial-based offset boosting
Lin, Hairong; Wang, Chunhua; Du, Sichun; Yao, Wei; Sun, Yichuang (2023-07-31)Memristors are commonly used to construct memristive chaotic systems with complex dynamics because of their strong nonlinearity and unique memory effects. In this paper, a simplified multi-piecewise memristor is applied ... -
Firing multistability in a locally active memristive neuron model
Lin, Hairong; Wang, Chunhua; Sun, Yichuang; Yao, Wei (2020-06-01)The theoretical, numerical and experimental demonstrations of firing dynamics in isolated neuron are of great significance for the understanding of neural function in human brain. In this paper, a new type of locally active ... -
Fixed pattern noise reduction and linearity improvement in time-mode CMOS image sensors
Kłosowski, Miron; Sun, Yichuang (2020-10-20)In the paper, a digital clock stopping technique for gain and offset correction in time-mode analog-to-digital converters (ADCs) has been proposed. The technique is dedicated to imagers with massively parallel image ... -
A Fully-Integrated Reconfigurable Dual-Band Transceiver for Short Range Wireless Communications in 180 nm CMOS
Yu, Xiaobao; Wei, Meng; Yin, Yun; Song, Ying; Han, Siyang; Liu, Qiongbing; Jin, Zongming; Liu, Xiliang; Wang, Zhihua; Sun, Yichuang; Chi, Baoyong (2015-08-27)A fully-integrated reconfigurable dual-band (760-960 MHz and 2.4-2.5 GHz) transceiver (TRX) for short range wireless communications is presented. The TRX consists of two individually-optimized RF front-ends for each band ... -
General rational approximation of Gaussian wavelet series and continuous-time gm-C filter implementation
Li, Mu; Sun, Yichuang (2020-06-30)A general method of rational approximation for Gaussian wavelet series and Gaussian wavelet filter circuit design with simple gm-C integrators is presented in this work. Firstly, the multi-order derivatives of Gaussian ... -
A General Traffic Flow Prediction Approach Based on Spatial-Temporal Graph Attention
Tang, Cong; Sun, Jingru; Sun, Yichuang; Peng, Mu; Gan, Nianfei (2020)Accurate and reliable traffic flow prediction is critical to the safe and stable deployment of intelligent transportation systems. However, it is very challenging due to the complex spatial and temporal dependence of traffic ... -
Generalized Completed Local Binary Patterns for Time-Efficient Steel Surface Defect Classification
Luo, Qiwu; Sun, Yichuang; Li, Pengcheng; Simpson, Oluyomi; Tian, Lu; He, Yigang (2019-03-01)Efficient defect classification is one of the most important preconditions to achieve online quality inspection for hot-rolled strip steels. It is extremely challenging owing to various defect appearances, large intraclass ... -
Generating n-Scroll Chaotic Attractors From A Memristor-based Magnetized Hopfield Neural Network
Lin, Hairong; Wang, Chunhua; Sun, Yichuang; Wang, Ting (2022-10-06)This brief presents a novel method to generate n-scroll chaotic attractors. First, a magnetized Hopfield neural network (HNN) with three neurons is modeled by introducing an improved multi-piecewise memristor to describe ... -
Guest editorial for the special issue on software-defined radio transceivers and circuits for 5G wireless communications
Sun, Yichuang; Chi, Baoyong; Zhang, Heng (2016-01-01) -
Headspace Oxygen Concentration Measurement for Pharmaceutical Glass Bottles in Open-path Optical Environment Using TDLAS/WMS
Luo, Qiwu; Song, Cao; Yang, Chunhua; Gui, Weihua; Sun, Yichuang; Jeffrey, Zoe (2019-12-10)Accurate measurement of oxygen concentration for pharmaceutical glass bottles is of great significance to ensure the asepsis of medicine and stability of ingredients. With merits of high sensitivity, low cost, non-contact, ... -
A High Efficiency and Low Ripple Cross-Coupled Charge Pump Circuit
Ma, Minglin; Cai, Xinglong; Sun, Yichuang (2017-09-19)A fully integrated cross-coupled charge pump circuit with four-clock signals and a new method of body bias have been proposed. The new clock scheme eliminates all of the reversion power loss and reduces the ripple voltage. ... -
High Efficiency Cross-Coupled Charge Pump Circuit with Four-Clock Signals
Ma, Minglin; Cai, Xinglong; Jiang, Jin; Sun, Yichuang (2018-12-01)A fully integrated cross-coupled charge pump circuit for boosting dc-to-dc converter applications with four-clock signals has been proposed. With the new clock scheme, this charge pump eliminates all of the reversion power ... -
High-dimensional memristive neural network and its application in commercial data encryption communication
Wang, Chunhua; Tang, Dong; Lin, Hairong; Yu, Fei; Sun, Yichuang (2024-05-15)With the development of economic globalization, demands for digital business data sharing among different subsidiary companies are constantly emerging. How to achieve secure transmission of commercial data in the Internet ...