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Author details

Xiang Wang

Publications

50

Citations

383

Publications by Year

20142025

Co-Authors:

Danilo BriziJialin CaiLin CheRui-Lin ChenJin Chen

Show All Co-Authors (92)

Xiang Wang

Affiliation

Key Laboratory of Near-Range RF Sensing ICs and Microsystems (NJUST)

Ministry of Education

Nanjing University of Science and Technology, Nanjing, China

Publication Topics

Substrate Integrated Waveguide,
Transmission Zeros,
Circular Cavity,
Quality Factor,
Center Frequency,
Coupling Coefficient,
Resonance Frequency,
Vector Network Analyzer,
Electric Field Distribution,
Insertion Loss,
Output Ports,
Phase Noise

Biography

Xiang Wang (Member, IEEE) received the B.S. degree from the Nanjing University of Science and Technology, Nanjing, China, in 2014, and the Ph.D. degree from Southeast University, Nanjing, in 2020.,He is currently an Associate Professor with the School of Electronic and Optical Engineering, Nanjing University of Science and Technology. He has authored or coauthored over 20 papers in peer reviewed international journals. His currently research interests includes microwave and millimeter-wave passive/active components, front-end modules, and transceivers in the systems.(Based on document published on 25 December 2023).

Publications

50

Citations

383

Publications by Year

20142025

Co-Authors:

Danilo Brizi
Jialin Cai
Lin Che
Rui-Lin Chen
Jin Chen

Show All Co-Authors (92)

Author's Published Works

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Showing 1-25 of 91 results

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Conferences (22)

Early Access Articles (3)

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State Key Laboratory of Integrated Service Networks, Xidian University, Xi’an, China(24)
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School of Information and Communications, National University of Defense Technology, Wuhan, China(17)
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College of Electronic Science and Technology, National University of Defense Technology, Changsha, China(11)
IEEE Transactions on Vehicular Technology(17)
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Double-RIS Enabled Physical Layer Security for Wireless-Powered Communication Systems Over Rayleigh Fading Channels

Jingyu Chen;Kunrui Cao;Haiyang Ding;Lu Lv;Yinghui Ye;Haolian Chi;Tao Wang;Liang Yang

IEEE Transactions on Communications

Year: 2025 | Early Access Article |

This paper investigates the physical layer security for a double-reconfigurable intelligent surface (DRIS) aided wireless-powered communication (WPC) system in the presence of an eavesdropper, where one RIS (termed as RIS-1) is deployed between power station (PS) and information user (U) while the other RIS (termed as RIS-2) is deployed between U and access point (AP). Moreover, an idle user acts ...Show More

Double-RIS Enabled Physical Layer Security for Wireless-Powered Communication Systems Over Rayleigh Fading Channels

Jingyu Chen;Kunrui Cao;Haiyang Ding;Lu Lv;Yinghui Ye;Haolian Chi;Tao Wang;Liang Yang

IEEE Transactions on Communications

Year: 2025 | Early Access Article |

Covert Communications in D2D Underlaying Cellular Networks With Dual Uncertainties at the Warden

Zhiyi Du;Weiyu Chen;Junshan Luo;Haiyang Ding;Shilian Wang;Zhengbo Sun

IEEE Internet of Things Journal

Year: 2025 | Early Access Article |

Covert device-to-device (D2D) communication aims to hide the existence of D2D transmission behavior from the warden, which plays a pivotal role in bolstering D2D communication security. The existing research on covert D2D communication either considered the interference’s assistance with perfect channel state information (CSI) available at the warden, or considered channel distribution information...Show More

Covert Communications in D2D Underlaying Cellular Networks With Dual Uncertainties at the Warden

Zhiyi Du;Weiyu Chen;Junshan Luo;Haiyang Ding;Shilian Wang;Zhengbo Sun

IEEE Internet of Things Journal

Year: 2025 | Early Access Article |

Angle and Distance Discrimination by Utilizing Frequency Conversion Capability of STC-IRS for Covert Communications

Manlin Wang;Yao Yao;Haiyang Ding;Shihai Shao;Bin Xia;Jiangzhou Wang

IEEE Transactions on Information Forensics and Security

Year: 2025 | Volume: 20 | Journal Article |

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Covert communication is an important approach to ensure information security by hiding the transmission behavior. Space-domain-coding intelligent reflecting surface (SDC-IRS) can adjust the phase of the reflection signal for passive beamforming in angle domains, which is widely employed in covert communications. However, the gains by SDC-IRS vanish when the warder is proximal to the receiver in an...Show More

Angle and Distance Discrimination by Utilizing Frequency Conversion Capability of STC-IRS for Covert Communications

Manlin Wang;Yao Yao;Haiyang Ding;Shihai Shao;Bin Xia;Jiangzhou Wang

IEEE Transactions on Information Forensics and Security

Year: 2025 | Volume: 20 | Journal Article |

Fast Zero Migration Algorithm for Near-Field Sparse MIMO Array Grating Lobe Suppression

Rongqiang Zhu;Jianxiong Zhou;Shiqi Chen;Haiyang Ding

IEEE Transactions on Antennas and Propagation

Year: 2025 | Volume: 73, Issue: 2 | Journal Article |

Cited by: Papers (1)

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Under near-field conditions, spatial undersampling leads to grating lobes in the sparse multiple-input multiple-output (MIMO) array results. A fast zero migration algorithm is developed in this communication for suppressing the grating lobes. In our method, resampling in the wavenumber domain is first achieved on the received data, and then, the fast inverse Fourier transform (FT) and compensation...Show More

Fast Zero Migration Algorithm for Near-Field Sparse MIMO Array Grating Lobe Suppression

Rongqiang Zhu;Jianxiong Zhou;Shiqi Chen;Haiyang Ding

IEEE Transactions on Antennas and Propagation

Year: 2025 | Volume: 73, Issue: 2 | Journal Article |

Performance Analysis for STAR-RIS-Assisted Wireless Powered Communications With Cooperative Jamming

Haolian Chi;Kunrui Cao;Haiyang Ding;Lu Lv;Jingyu Chen;Danyu Diao;Buhong Wang;Fengkui Gong

IEEE Internet of Things Journal

Year: 2025 | Volume: 12, Issue: 3 | Journal Article |

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This article investigates the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted secure transmissions in wireless powered communication (WPC) systems. According to the conditions of communication links, three scenarios are considered. Correspondingly, two transmission schemes are proposed for outdoor and indoor users to enhance the reliability and sec...Show More

Performance Analysis for STAR-RIS-Assisted Wireless Powered Communications With Cooperative Jamming

Haolian Chi;Kunrui Cao;Haiyang Ding;Lu Lv;Jingyu Chen;Danyu Diao;Buhong Wang;Fengkui Gong

IEEE Internet of Things Journal

Year: 2025 | Volume: 12, Issue: 3 | Journal Article |

Effective Secrecy Capacity for RIS-Assisted NOMA Communication Networks

Huiling Liu;Junshan Luo;Shilian Wang;Haiyang Ding

IEEE Transactions on Vehicular Technology

Year: 2025 | Volume: 74, Issue: 1 | Journal Article |

Cited by: Papers (2)

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Non-orthogonal multiple access (NOMA) and reconfigurable intelligent surface (RIS) are pivotal technologies for achieving the dual objectives of high spectral efficiency and low power consumption in the future of wireless communications. In this paper, we investigate the effective secrecy capacity (ESC) of the RIS-assisted NOMA network subject to delay constraint. The ESC serves as a crucial metri...Show More

Effective Secrecy Capacity for RIS-Assisted NOMA Communication Networks

Huiling Liu;Junshan Luo;Shilian Wang;Haiyang Ding

IEEE Transactions on Vehicular Technology

Year: 2025 | Volume: 74, Issue: 1 | Journal Article |

Analysis and Calibration of Spatially Variant Wavenumber Spectrum in Near-Field SAR Imaging

Rongqiang Zhu;Jianxiong Zhou;Shiqi Chen;Haiyang Ding

2024 IEEE 17th International Conference on Signal Processing (ICSP)

Year: 2024 | Conference Paper |

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Under the near-field condition, the wavenumber spectrum is spatially variant, and its center and size are both related to the target positions, which increases the difficulty of imaging processing and sidelobe suppression. In this article, a novel two-step spectrum calibration method is proposed to eliminate the correlation between the wavenumber spectrum and the target position. This method first...Show More

Analysis and Calibration of Spatially Variant Wavenumber Spectrum in Near-Field SAR Imaging

Rongqiang Zhu;Jianxiong Zhou;Shiqi Chen;Haiyang Ding

2024 IEEE 17th International Conference on Signal Processing (ICSP)

Year: 2024 | Conference Paper |

Cut to the Chase: A Fast-Decoding Scheme for Symbiotic Backscatter Multi-User NOMA Systems

Zhen Wen;Haiyang Ding;Maged Elkashlan;Dong Li;Chau Yuen;Jules M. Moualeu;Mingkai Chen;Zhongwei Liu

2024 16th International Conference on Wireless Communications and Signal Processing (WCSP)

Year: 2024 | Conference Paper |

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This paper proposes a fast-decoding scheme based on the successive interference cancellation (SIC) framework for symbiotic backscatter multi-user non-orthogonal multiple access (NOMA) systems, which aims to decode the desired primary NOMA signal and the backscatter signal for the end-users in an efficient manner. Under the proposed decoding framework, we derive the symbiotic constraints on the dec...Show More

Cut to the Chase: A Fast-Decoding Scheme for Symbiotic Backscatter Multi-User NOMA Systems

Zhen Wen;Haiyang Ding;Maged Elkashlan;Dong Li;Chau Yuen;Jules M. Moualeu;Mingkai Chen;Zhongwei Liu

2024 16th International Conference on Wireless Communications and Signal Processing (WCSP)

Year: 2024 | Conference Paper |

Ergodic Capacity Analysis for a STAR-RIS-Segmented Symbiotic Backscatter NOMA System

Zhen Wen;Haiyang Ding;Maged Elkashlan;Chau Yuen;Jules M. Moualeu

2024 IEEE 35th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

Year: 2024 | Conference Paper |

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This paper proposes a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) segmented symbiotic backscatter non-orthogonal multiple access (NOMA) system. Specifically, the STAR-RIS is divided into an enchancing primary signal (EP) zone and a backscatter device (BD) zone. To characterize the overall transmission effectiveness, the metric of sum ergodic capacity (EC)...Show More

Ergodic Capacity Analysis for a STAR-RIS-Segmented Symbiotic Backscatter NOMA System

Zhen Wen;Haiyang Ding;Maged Elkashlan;Chau Yuen;Jules M. Moualeu

2024 IEEE 35th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)

Year: 2024 | Conference Paper |

Riding over Multiuser NOMA Carrier: A Spectrally-Efficient RIS-Enabled Symbiotic Backscatter System

Mingkai Chen;Haiyang Ding;Maged Elkashlan;Chau Yuen;Jules M. Moualeu;Shilian Wang;Zhen Wen;Fambirai Takawira

2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall)

Year: 2024 | Conference Paper |

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This paper puts forth a proposal for a reconfigurable intelligent surface (RIS) enabled symbiotic backscatter system riding over a multiuser non-orthogonal multiple access (NOMA) carrier, where the RIS is employed as a substitute for the conventional backscatter device (BD) with the objective of enhancing both primary NOMA transmission and backscatter communications. In particular, a symbiotic mec...Show More

Riding over Multiuser NOMA Carrier: A Spectrally-Efficient RIS-Enabled Symbiotic Backscatter System

Mingkai Chen;Haiyang Ding;Maged Elkashlan;Chau Yuen;Jules M. Moualeu;Shilian Wang;Zhen Wen;Fambirai Takawira

2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall)

Year: 2024 | Conference Paper |

STAR-RIS Assisted Reliable and Secure Transmissions in Wireless-Powered Communications

Siwei Tang;Kunrui Cao;Lu Lv;Haiyang Ding;Beixiong Zheng;Jingyu Chen;Danyu Diao;Buhong Wang

IEEE Transactions on Wireless Communications

Year: 2024 | Volume: 23, Issue: 12 | Journal Article |

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This article investigates a reliable and secure wireless-powered communication system assisted by a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) serving indoor and outdoor users. To align with practical application, we consider two eavesdropping conditions: mixed and indirect eavesdropping links. To improve the reliability and security of downlink energy t...Show More

STAR-RIS Assisted Reliable and Secure Transmissions in Wireless-Powered Communications

Siwei Tang;Kunrui Cao;Lu Lv;Haiyang Ding;Beixiong Zheng;Jingyu Chen;Danyu Diao;Buhong Wang

IEEE Transactions on Wireless Communications

Year: 2024 | Volume: 23, Issue: 12 | Journal Article |

Metasurfaces for Polarization-Insensitive and Directional Backscatter Communications

Haipeng Li;Kewei Xin;Jiaqi Han;Haiyang Ding;Chaoyang Liu;Fei Wang;Xiaowen Liu;Letian Wang;He-Xiu Xu

IEEE Transactions on Antennas and Propagation

Year: 2024 | Volume: 72, Issue: 10 | Journal Article |

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Achieving low-power and polarization-insensitive communication is a crucial and challenging task in the Internet of Everything. In this communication, we propose and demonstrate the implementation of two amplitude-reconfigurable metasurfaces, loaded with p-i-n diodes and operated around 5.8 GHz, to develop a novel polarization-insensitive backscatter communication (BC) system. Both communication t...Show More

Metasurfaces for Polarization-Insensitive and Directional Backscatter Communications

Haipeng Li;Kewei Xin;Jiaqi Han;Haiyang Ding;Chaoyang Liu;Fei Wang;Xiaowen Liu;Letian Wang;He-Xiu Xu

IEEE Transactions on Antennas and Propagation

Year: 2024 | Volume: 72, Issue: 10 | Journal Article |

Breaking the Interference and Fading Gridlock in Backscatter Communications: State-of-the-Art, Design Challenges, and Future Directions

Bowen Gu;Dong Li;Haiyang Ding;Gongpu Wang;Chintha Tellambura

IEEE Communications Surveys & Tutorials

Year: 2024 | Early Access Article |

Cited by: Papers (9)

As the Internet of Things (IoT) advances by leaps and bounds, a multitude of devices are becoming interconnected, marking the onset of an era where everything is connected. While this growth opens up opportunities for novel products and applications, it also leads to increased energy reliance on IoT devices, creating a significant bottleneck that hinders sustainable progress. Backscatter communica...Show More

Breaking the Interference and Fading Gridlock in Backscatter Communications: State-of-the-Art, Design Challenges, and Future Directions

Bowen Gu;Dong Li;Haiyang Ding;Gongpu Wang;Chintha Tellambura

IEEE Communications Surveys & Tutorials

Year: 2024 | Early Access Article |

Ergodic Secrecy Capacity Analysis for RIS-Aided Wireless Powered Communication System Under Different Phase Shifting

Jingyu Chen;Kunrui Cao;Lu Lv;Haiyang Ding;Runze Dong;Tianhao Cheng;Danyu Diao

IEEE Transactions on Vehicular Technology

Year: 2024 | Volume: 73, Issue: 11 | Journal Article |

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This paper investigates the physical layer security (PLS) of reconfigurable intelligent surface (RIS) aided wireless powered communication (WPC) system, where an energy-limited user first harvests energy from a hybrid access point (HAP) and then uses the harvested energy to transmit information in the presence of a passive eavesdropper. In particular, four phase shifting designs at RIS are conside...Show More

Ergodic Secrecy Capacity Analysis for RIS-Aided Wireless Powered Communication System Under Different Phase Shifting

Jingyu Chen;Kunrui Cao;Lu Lv;Haiyang Ding;Runze Dong;Tianhao Cheng;Danyu Diao

IEEE Transactions on Vehicular Technology

Year: 2024 | Volume: 73, Issue: 11 | Journal Article |

Outage Analysis for a STAR-RIS-Segmented Symbiotic Backscatter NOMA System

Zhen Wen;Haiyang Ding;Maged Elkashlan;Chau Yuen;Jules M. Moualeu;Jiyang Liu;Kewei Xin;Chenhao Yang

IEEE Transactions on Communications

Year: 2024 | Volume: 72, Issue: 11 | Journal Article |

Cited by: Papers (1)

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This paper proposes a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) segmented symbiotic backscatter non-orthogonal multiple access (NOMA) system, where the STAR-RIS is composed of an enhancing primary signal (EP) zone and a backscatter device (BD) zone. To evaluate the overall system transmission reliability, we derive a tight lower bound of the coexistence...Show More

Outage Analysis for a STAR-RIS-Segmented Symbiotic Backscatter NOMA System

Zhen Wen;Haiyang Ding;Maged Elkashlan;Chau Yuen;Jules M. Moualeu;Jiyang Liu;Kewei Xin;Chenhao Yang

IEEE Transactions on Communications

Year: 2024 | Volume: 72, Issue: 11 | Journal Article |

A STAR-RIS-Segmented Symbiotic AmBC System

Jiyang Liu;Haiyang Ding;Maged Elkashlan;Weiyu Chen;Shilian Wang;Teng Sun

IEEE Wireless Communications Letters

Year: 2024 | Volume: 13, Issue: 5 | Journal Article |

Cited by: Papers (3)

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This letter proposes a simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) segmented symbiotic ambient backscatter system. The elements of the STAR-RIS are segmented into an enhancing primary-signal (EP) zone and a backscatter-device (BD) zone, which are adjusted to enhance receivers’ reception of the primary signal from S and to convey STAR-RIS’s information, ...Show More

A STAR-RIS-Segmented Symbiotic AmBC System

Jiyang Liu;Haiyang Ding;Maged Elkashlan;Weiyu Chen;Shilian Wang;Teng Sun

IEEE Wireless Communications Letters

Year: 2024 | Volume: 13, Issue: 5 | Journal Article |

Covert Communication Based on Noise Uncertainty Against Multi-Antenna Detection: Analyses of Limit Covert and Reliable Rate

Weiyu Chen;Haiyang Ding;Shilian Wang;Li Hu;Junshan Luo;Fengkui Gong

IEEE Wireless Communications Letters

Year: 2024 | Volume: 13, Issue: 1 | Journal Article |

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Uncertainty about noise variance is unavoidable. Many existing works exploited the noise uncertainty for covert communication and meanwhile assumed that the adversary third party Willie adopts a radiometer detector, in which case a positive covert and reliable rate $\mathcal {O}(N) {\mathrm{ bits}}/{N}$ channel uses is achievable. Nonetheless, the radiometer is not optimal in general. The limit ...Show More

Covert Communication Based on Noise Uncertainty Against Multi-Antenna Detection: Analyses of Limit Covert and Reliable Rate

Weiyu Chen;Haiyang Ding;Shilian Wang;Li Hu;Junshan Luo;Fengkui Gong

IEEE Wireless Communications Letters

Year: 2024 | Volume: 13, Issue: 1 | Journal Article |

A RIS-Segmented Symbiotic Ambient Backscatter Communication System

Hancheng Yang;Haiyang Ding;Kunrui Cao;Maged Elkashlan;Haipeng Li;Kewei Xin

IEEE Transactions on Vehicular Technology

Year: 2024 | Volume: 73, Issue: 1 | Journal Article |

Cited by: Papers (11)

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This article proposes a reconfigurable intelligent surface (RIS) segmented symbiotic ambient backscatter system, which is composed of a primary source (S), a RIS, and a cooperative receiver (D) that decodes the signals from S and RIS with the aid of successive interference cancellation (SIC). For such, the RIS is segmented into two zones, namely, an EP zone and a BD zone, where the EP zone is used...Show More

A RIS-Segmented Symbiotic Ambient Backscatter Communication System

Hancheng Yang;Haiyang Ding;Kunrui Cao;Maged Elkashlan;Haipeng Li;Kewei Xin

IEEE Transactions on Vehicular Technology

Year: 2024 | Volume: 73, Issue: 1 | Journal Article |

A Nonlinear Modulation and Demodulation Method Design Applied to RIS Communication System

Kewei Xin;Bing Li;Haiyang Ding;Haipeng Li

2023 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)

Year: 2023 | Conference Paper |

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To meet the demand of information modulation and demodulation in RIS communication system, this paper realizes a signal modulation and demodulation method that can realize 16QAM communication by manipulating the phase of electromagnetic signal in space only by RIS. This modulation and demodulation method relies on the RIS system that can continuously adjust the phase of the signal, which can contr...Show More

A Nonlinear Modulation and Demodulation Method Design Applied to RIS Communication System

Kewei Xin;Bing Li;Haiyang Ding;Haipeng Li

2023 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)

Year: 2023 | Conference Paper |

On the Limits of Covert Backscatter Communication Over Undecodable Ambient Signals

Weiyu Chen;Haiyang Ding;Shilian Wang;Fengkui Gong;Guojiang Xia

IEEE Transactions on Information Forensics and Security

Year: 2023 | Volume: 18 | Journal Article |

Cited by: Papers (6)

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This paper investigates the limit covert rate of the backscatter communication systems based on undecodable ambient radio frequency (RF) signals over additive white Gaussian noise channel. In the considered network, source node Alice expects to transmit information to receiver Bob without being detected by warden Willie, by backscattering undecodable ambient RF signals. In this case, it is challen...Show More

On the Limits of Covert Backscatter Communication Over Undecodable Ambient Signals

Weiyu Chen;Haiyang Ding;Shilian Wang;Fengkui Gong;Guojiang Xia

IEEE Transactions on Information Forensics and Security

Year: 2023 | Volume: 18 | Journal Article |

Physical-Layer Security for Intelligent-Reflecting-Surface-Aided Wireless-Powered Communication Systems

Kunrui Cao;Haiyang Ding;Lu Lv;Zhou Su;Jing Tao;Fengkui Gong;Buhong Wang

IEEE Internet of Things Journal

Year: 2023 | Volume: 10, Issue: 20 | Journal Article |

Cited by: Papers (15)

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This article investigates physical-layer security (PLS) of a typical wireless-powered communication (WPC) system with the aid of intelligent reflecting surface (IRS) in the presence of a passive eavesdropper for Internet of Things (IoT), and proposes three IRS-aided secure WPC modes. Specifically, in mode-I, the IRS is deployed between hybrid access point (HAP) and wireless user (U) for co-located...Show More

Physical-Layer Security for Intelligent-Reflecting-Surface-Aided Wireless-Powered Communication Systems

Kunrui Cao;Haiyang Ding;Lu Lv;Zhou Su;Jing Tao;Fengkui Gong;Buhong Wang

IEEE Internet of Things Journal

Year: 2023 | Volume: 10, Issue: 20 | Journal Article |

A Novel Symbiotic Backscatter-NOMA System

Hancheng Yang;Haiyang Ding;Maged Elkashlan;Haipeng Li;Kewei Xin

IEEE Transactions on Vehicular Technology

Year: 2023 | Volume: 72, Issue: 8 | Journal Article |

Cited by: Papers (10)

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This article proposes a symbiotic backscatter non-orthogonal multiple access (backscatter-NOMA) system, where a backscatter device (BD) conveys its own information $c(n)$ to two users by riding on the NOMA downlink signal. Notably, different from the conventional backscatter-NOMA, the BD adaptively adjusts its reflection coefficient to guarantee the successful decoding of the NOMA downlink signal ...Show More

A Novel Symbiotic Backscatter-NOMA System

Hancheng Yang;Haiyang Ding;Maged Elkashlan;Haipeng Li;Kewei Xin

IEEE Transactions on Vehicular Technology

Year: 2023 | Volume: 72, Issue: 8 | Journal Article |

Opportunistic Symbiotic Backscatter Communication Systems

Hancheng Yang;Haiyang Ding;Maged Elkashlan

IEEE Communications Letters

Year: 2023 | Volume: 27, Issue: 1 | Journal Article |

Cited by: Papers (3)

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This letter proposes an opportunistic commensal mechanism (OppCom) and an opportunistic parasitic mechanism (OppPar) for a pair of backscatter devices (BDs) to strengthen the concurrent transmission of the primary and the backscatter systems. It is shown that the asymptotic outage probability of the OppCom and OppPar mechanisms is not affected by the channel statistics between the two BDs. Also, f...Show More

Opportunistic Symbiotic Backscatter Communication Systems

Hancheng Yang;Haiyang Ding;Maged Elkashlan

IEEE Communications Letters

Year: 2023 | Volume: 27, Issue: 1 | Journal Article |

Symbiotic Backscatter System over Cascaded Fading Channels

Haiyang Ding;Maged Elkashlan;Hancheng Yang;Haipeng Li;Kewei Xin

2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)

Year: 2022 | Conference Paper |

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Cascaded fading plays a vital role in backscatter communications but its effect on the transmission robustness of symbiotic backscatter system has not been well understood yet. In this paper, we investigate this effect under three symbiotic mechanisms, namely commensal, parasitic and competitive schemes. Our analysis indicates that: 1) For the commensal scheme, cascaded backscatter fading incurs a...Show More

Symbiotic Backscatter System over Cascaded Fading Channels

Haiyang Ding;Maged Elkashlan;Hancheng Yang;Haipeng Li;Kewei Xin

2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)

Year: 2022 | Conference Paper |

On the Ergodic Secrecy Capacity of Intelligent Reflecting Surface Aided Wireless Powered Communication Systems

Kunrui Cao;Haiyang Ding;Wei Li;Lu Lv;Mei Gao;Fengkui Gong;Buhong Wang

IEEE Wireless Communications Letters

Year: 2022 | Volume: 11, Issue: 11 | Journal Article |

Cited by: Papers (62)

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This letter studies physical layer security (PLS) of an intelligent reflecting surface (IRS) aided wireless powered communication (WPC) system in the presence of a passive eavesdropper, and proposes three secure IRS-WPC modes. In mode-I, the IRS is deployed between hybrid access point (HAP) and wireless user (U) for co-located power station (PS) and access point (AP). In mode-II, the IRS is deploy...Show More

On the Ergodic Secrecy Capacity of Intelligent Reflecting Surface Aided Wireless Powered Communication Systems

Kunrui Cao;Haiyang Ding;Wei Li;Lu Lv;Mei Gao;Fengkui Gong;Buhong Wang

IEEE Wireless Communications Letters

Year: 2022 | Volume: 11, Issue: 11 | Journal Article |

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