Browsing by Author "Yang L."

Now showing items 1-14 of 14

    • A novel energy harvesting scheme for mixed fso-rf relaying systems 

      Chen J.; Yang L.; Wang W.; Yang H.-C.; Liu Y.; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)
      In this correspondence paper, we consider the performance of a mixed free-space optical and radio frequency (FSO-RF) relaying system with energy harvesting in the existence of both atmospheric turbulence and pointing errors. ...

    • A Novel RIS-Assisted Modulation Scheme 

      Yang L.; Meng F.; Hasna , Mazen; Basar E. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)
      In this work, in order to achieve higher spectrum efficiency, we propose a reconfigurable intelligent surface (RIS)-assisted multi-user communication uplink system. Different from previous work in which the RIS only optimizes ...

    • Amount of Secrecy Loss: A Novel Metric for Physical Layer Security Analysis 

      Li S.; Yang L.; Hasna , Mazen; Alouini M.-S.; Zhang J. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this letter, we present a novel and important performance metric for analyzing and evaluating the physical layer security of wireless communication systems in the presence of eavesdropping users. Specifically, we introduce ...

    • Asymptotic BER analysis of FSO with multiple receive apertures over M-distributed turbulence channels with pointing errors 

      Yang L.; Hasna , Mazen; Gao X. ( Optical Society of American (OSA) , 2014 , Article)
      In this paper, we consider a free-space optical (FSO) communication with multiple receive apertures over M-distributed turbulence channels with pointing errors. In particular, we consider two different combining schemes ...

    • Average outage duration of multihop communication systems with regenerative relays 

      Yang L.; Hasna , Mazen; Alouini M.-S. ( IEEE , 2005 , Article)
      Closed-form expressions for the average outage duration (AOD) of multihop regenerative communication systems over generalized fading channels are presented. Both noise-limited and interference-limited systems are studied. ...

    • Coverage, Probability of SNR Gain, and DOR Analysis of RiS-Aided Communication Systems 

      Yang L.; Yang Y.; Hasna , Mazen; Alouini M.-S. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      Recent studies have shown that reconfigurable Intelligent surfaces (RiSs) can help In extending the wireless coverage. However, no work has quantitatively analyzed the coverage. In this letter, we present the coverage ...

    • Development of the ASHRAE Global Thermal Comfort Database II 

      F?ldv?ry Li?ina V.; Cheung T.; Zhang H.; de Dear R.; Parkinson T.; ... more authors ( Elsevier Ltd , 2018 , Article)
      Recognizing the value of open-source research databases in advancing the art and science of HVAC, in 2014 the ASHRAE Global Thermal Comfort Database II project was launched under the leadership of University of California ...

    • On the performance of LAP-based multiple-hop RF/FSO systems 

      Yang L.; Yuan J.; Liu X.; Hasna M.O. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)
      In this paper, we propose a low-altitude aerial platform (LAP) based relaying system, where two LAPs serve as relays. More specifically, the air-to-ground links are assumed to be radio frequency (RF) channels experiencing ...

    • On the Performance of RIS-Assisted Dual-Hop UAV Communication Systems 

      Yang L.; Meng F.; Zhang J.; Hasna , Mazen; Renzo M.D. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this paper, to further improve the coverage and performance of unmanned aerial vehicle (UAV) communication systems, we propose a reconfigurable intelligent surface (RIS)-assisted UAV scheme where an RIS installed on a ...

    • Outage Performance of UAV-Assisted Relaying Systems with RF Energy Harvesting 

      Yang L.; Chen J.; Hasna M.O.; Yang H.-C. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)
      In this letter, we propose an UAV-based relaying system with energy harvesting functionality. In particular, we assume that this system is operated in urban communication environments, where the channel between the UAV and ...

    • Performance Analysis of Amplify-and-Forward Hybrid Satellite-Terrestrial Networks with Cochannel Interference 

      Yang L.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      In this paper, we consider an amplify-and-forward hybrid satellite-terrestrial co-operative network in the presence of cochannel interference (CCI). More specifically, we assume that both the satellite-destination and the ...

    • Performance of Mixed RF/FSO with Variable Gain over Generalized Atmospheric Turbulence Channels 

      Yang L.; Hasna , Mazen; Gao X. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      In this paper, we consider a free-space optical (FSO) communication scheme with the help of a variable gain relay where the links from the source to the relay are radio-frequency (RF) links while the links between the relay ...

    • Physical Layer Security for TAS/MRC Systems With and Without Co-Channel Interference Over Fading Channels 

      YangL.; HasnaM.O.; AnsariI.S. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)
      In this paper, the secrecy performance of transmit antenna selection/maximal ratio combining systems in the absence and presence of co-channel interference (CCI) over ?-? fading channels is considered. In particular, ...

    • Secrecy Performance Analysis of RIS-Aided Wireless Communication Systems 

      Yang L.; Yang J.; Xie W.; Hasna , Mazen; Tsiftsis T.; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this work, we study the secrecy performance of a reconfigurable intelligent surfaces (RIS)-aided wireless communication system in the presence of an eavesdropping user. Specifically, we assume that the RIS is placed ...