Browsing Research publications by Author "Radio and Mobile Communication Systems"
Now showing items 21-30 of 30
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Quasi-orthogonal space-frequency coding in non-coherent cooperative broadband networks
Owojaiye, Gbenga; Delestre, Fabien; Sun, Yichuang (2014-04-01)So far, complex valued orthogonal codes have been used differentially in cooperative broadband networks. These codes however achieve less than unitary code rate when utilized in cooperative networks with more than two ... -
Real-Time Fault Detection and Diagnosis System for Analog and Mixed-Signal Circuits of Acousto-Magnetic EAS Devices
Luo, Qiwu; He, Yigang; Sun, Yichuang (2015-09-22)The paper discusses fault diagnosis of the electronic circuit board, part of acousto-magnetic electronic article surveillance detection devices. The aim is that the end-user can run the fault diagnosis in real time using ... -
Recent Developments in Automatic Impedance Matching and Antenna Tuning for Wireless and Mobile Communications
Lauder, David; Sun, Yichuang (2017-09-19)This paper reviews recent developments in automatic impedance matching and antenna tuning for wireless and mobile communications. -
Source-assisting strategy for differential distributed space time block codes
Nwanekezie, Nnamdi; Owojaiye, Gbenga; Sun, Yichuang (Institute of Electrical and Electronics Engineers (IEEE), 2013-12-01)In this paper, a source-assisting differential distributed space time block coding (SA-DDSTBC) scheme is proposed for cooperative networks. Firstly, in most existing works on distributed space time block coding (DSTBC), ... -
Special issue on cooperative wireless and mobile communications
Sun, Yichuang; Yue, Dian Wu (2013-11-26)The fundamental idea of cooperative communications in wireless networks originates from the design of multiple-antenna systems. In multiple-antenna systems, communicating terminals are equipped with multiple antennas to ... -
STBC Based Pilot-Aided Channel Estimation Method for SFBC-OFDM Systems
Delestre, Fabien; Owojaiye, Gbenga; Sun, Yichuang; El Cheikh, Mohamad (Liverpool John Moores University, 2014-06-23)In this paper, an iterative channel estimation algorithm with joint detection is proposed for Multiple Input Multiple Output (MIMO) systems combined with Orthogonal Frequency Division Multiplexing (OFDM) also known as ... -
Structure and realization of pole-shared switched-current complex wavelet filter
Zhao, Wenshan; He, Yigang; Sun, Yichuang (2015-07-24)A pole-shared switched-current complex wavelet filter structure with follow-the-leader feedback configuration is proposed for synthesizing the real and imaginary approximation functions with the same poles. The double-sampling ... -
Switched-current filter structure for synthesizing arbitrary characteristics based on follow-the-leader feedback configuration
Zhao, Wenshan; He, Yigang; Sun, Yichuang (2015-02-01) -
Transmit Power Minimization for MIMO Systems of Exponential Average BER with Fixed Outage Probability
Yue, Dian Wu; Sun, Yichuang (2016-10-01)This paper is concerned with a wireless multiple-antenna system operating in multiple-input multiple-output (MIMO) fading channels with channel state information being known at both transmitter and receiver. By spatiotemporal ... -
A wideband linear tunable CDTA and its application in field programmable analogue array
Hu, Zhenhua; Wang, Chunhua; Sun, Jingru; Sun, Yichuang; Jin, Jie (2016-09-01)In this paper, a NMOS-based wideband low power and linear tunable transconductance current differencing transconductance amplifier (CDTA) is presented. Based on the NMOS CDTA, a novel simple and easily reconfigurable ...