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2024

Wideband Modeling and Beamforming for Beyond Diagonal Reconfigurable Intelligent Surfaces

Li, H., Nerini, M., Shen, S., & Clerckx, B. (2024). Wideband Modeling and Beamforming for Beyond Diagonal Reconfigurable Intelligent Surfaces. In 2024 IEEE 25th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) (pp. 926-930). IEEE. doi:10.1109/spawc60668.2024.10694393

DOI
10.1109/spawc60668.2024.10694393
Conference Paper

A 2-Bit Phase Reconfigurable Aperture Coupled Pixel Antenna

Ming, Z., Shen, S., & Murch, R. (2024). A 2-Bit Phase Reconfigurable Aperture Coupled Pixel Antenna. In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI) (pp. 143-144). IEEE. doi:10.1109/ap-s/inc-usnc-ursi52054.2024.10686614

DOI
10.1109/ap-s/inc-usnc-ursi52054.2024.10686614
Conference Paper

Characteristic Modes for Orthogonal Beamsteering Using ESPAR

Han, Z., Zhang, Y., Shen, S., Qiao, T., Rao, J., Jin, J., . . . Murch, R. (2024). Characteristic Modes for Orthogonal Beamsteering Using ESPAR. In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI) (pp. 585-586). IEEE. doi:10.1109/ap-s/inc-usnc-ursi52054.2024.10687073

DOI
10.1109/ap-s/inc-usnc-ursi52054.2024.10687073
Conference Paper

Performance Bounds on the Partial Gain to Q-Factor Quotient for Loaded $N$-Port Antenna Systems

Qiao, T., Han, Z., Shen, S., Chiu, C. -Y., Cheng, Q. S., & Murch, R. (2024). Performance Bounds on the Partial Gain to Q-Factor Quotient for Loaded $N$-Port Antenna Systems. In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI) (pp. 2003-2004). IEEE. doi:10.1109/ap-s/inc-usnc-ursi52054.2024.10687206

DOI
10.1109/ap-s/inc-usnc-ursi52054.2024.10687206
Conference Paper

Beyond Diagonal Reconfigurable Intelligent Surfaces in Wideband OFDM Communications: Circuit-Based Modeling and Optimization

DOI
10.48550/arxiv.2405.07297
Preprint

Channel Estimation and Beamforming for Beyond Diagonal Reconfigurable Intelligent Surfaces

DOI
10.48550/arxiv.2403.18087
Preprint

Wideband Modeling and Beamforming for Beyond Diagonal Reconfigurable Intelligent Surfaces

DOI
10.48550/arxiv.2403.12893
Preprint

Static Grouping Strategy Design for Beyond Diagonal Reconfigurable Intelligent Surfaces

DOI
10.48550/arxiv.2403.09275
Preprint

Closed-Form Global Optimization of Beyond Diagonal Reconfigurable Intelligent Surfaces

Nerini, M., Shen, S., & Clerckx, B. (2024). Closed-Form Global Optimization of Beyond Diagonal Reconfigurable Intelligent Surfaces. IEEE Transactions on Wireless Communications, 23(2), 1037-1051. doi:10.1109/twc.2023.3285262

DOI
10.1109/twc.2023.3285262
Journal article

2023

A Dynamic Grouping Strategy for Beyond Diagonal Reconfigurable Intelligent Surfaces With Hybrid Transmitting and Reflecting Mode

Li, H., Shen, S., & Clerckx, B. (2023). A Dynamic Grouping Strategy for Beyond Diagonal Reconfigurable Intelligent Surfaces With Hybrid Transmitting and Reflecting Mode. IEEE Transactions on Vehicular Technology, 72(12), 16748-16753. doi:10.1109/tvt.2023.3288690

DOI
10.1109/tvt.2023.3288690
Journal article

Discrete-Value Group and Fully Connected Architectures for Beyond Diagonal Reconfigurable Intelligent Surfaces

Nerini, M., Shen, S., & Clerckx, B. (2023). Discrete-Value Group and Fully Connected Architectures for Beyond Diagonal Reconfigurable Intelligent Surfaces. IEEE Transactions on Vehicular Technology, 72(12), 16354-16368. doi:10.1109/tvt.2023.3299882

DOI
10.1109/tvt.2023.3299882
Journal article

MIMO Ambient Backscatter Communications: Capacity Maximization and Beamforming Optimization

Liu, W., Shen, S., Tsang, D. H. K., & Murch, R. (2023). MIMO Ambient Backscatter Communications: Capacity Maximization and Beamforming Optimization. IEEE Transactions on Vehicular Technology, 72(12), 15829-15843. doi:10.1109/tvt.2023.3291546

DOI
10.1109/tvt.2023.3291546
Journal article

A Universal Framework for Multiport Network Analysis of Reconfigurable Intelligent Surfaces

DOI
10.48550/arxiv.2311.10561
Preprint

Loaded N-port Structure for Reconfigurable Compact MIMO Antenna Design Invited Paper

Han, Z., Wang, S., Jin, J., Wang, Q., Shen, S., & Murch, R. (2023). Loaded N-port Structure for Reconfigurable Compact MIMO Antenna Design Invited Paper. In 2023 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) (pp. 1-3). IEEE. doi:10.1109/imws-amp57814.2023.10381055

DOI
10.1109/imws-amp57814.2023.10381055
Conference Paper

Using Loaded N-Port Structures to Achieve the Continuous-Space Electromagnetic Channel Capacity Bound

Han, Z., Shen, S., Zhang, Y., Tang, S., Chiu, C. -Y., & Murch, R. (2023). Using Loaded N-Port Structures to Achieve the Continuous-Space Electromagnetic Channel Capacity Bound. IEEE Transactions on Wireless Communications, 22(11), 7592-7605. doi:10.1109/twc.2023.3253576

DOI
10.1109/twc.2023.3253576
Journal article

Beyond Diagonal Reconfigurable Intelligent Surfaces with Mutual Coupling: Modeling and Optimization

DOI
10.48550/arxiv.2310.02708
Preprint

Beyond Diagonal Reconfigurable Intelligent Surfaces: A Multi-Sector Mode Enabling Highly Directional Full-Space Wireless Coverage

Li, H., Shen, S., & Clerckx, B. (2023). Beyond Diagonal Reconfigurable Intelligent Surfaces: A Multi-Sector Mode Enabling Highly Directional Full-Space Wireless Coverage. IEEE Journal on Selected Areas in Communications, 41(8), 2446-2460. doi:10.1109/jsac.2023.3288251

DOI
10.1109/jsac.2023.3288251
Journal article

Spectrally Efficient Pulse Shaping for Beamspace Space Shift Keying in Single-RF ESPAR Systems

Han, Z., Shen, S., Zhang, Y., Tang, S., Chiu, C. -Y., & Murch, R. (2023). Spectrally Efficient Pulse Shaping for Beamspace Space Shift Keying in Single-RF ESPAR Systems. IEEE Transactions on Vehicular Technology, 72(8), 10548-10560. doi:10.1109/tvt.2023.3262143

DOI
10.1109/tvt.2023.3262143
Journal article

Analog Beamforming Using ESPAR for Single-RF Precoding Systems

Zhang, C., Shen, S., Han, Z., & Murch, R. (2023). Analog Beamforming Using ESPAR for Single-RF Precoding Systems. IEEE Transactions on Wireless Communications, 22(7), 4387-4400. doi:10.1109/twc.2022.3224693

DOI
10.1109/twc.2022.3224693
Journal article

Optimal Antenna Selection and Time Sharing in RF-Powered Cognitive Networks With Ambient Backscatter Communication

Liu, W., Shen, S., Zhang, C., Tsang, D. H. K., & Murch, R. (2023). Optimal Antenna Selection and Time Sharing in RF-Powered Cognitive Networks With Ambient Backscatter Communication. In 2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring) (pp. 1-6). IEEE. doi:10.1109/vtc2023-spring57618.2023.10200111

DOI
10.1109/vtc2023-spring57618.2023.10200111
Conference Paper

Beyond Diagonal Reconfigurable Intelligent Surfaces Utilizing Graph Theory: Modeling, Architecture Design, and Optimization

DOI
10.48550/arxiv.2305.05013
Preprint

Single-RF MIMO-OFDM Using ESPAR

Han, Z., Shen, S., Zhang, Y., Tang, S., Chiu, C. -Y., & Murch, R. (2023). Single-RF MIMO-OFDM Using ESPAR. IEEE Transactions on Vehicular Technology, 72(5), 6080-6089. doi:10.1109/tvt.2022.3230723

DOI
10.1109/tvt.2022.3230723
Journal article

Beyond Diagonal Reconfigurable Intelligent Surfaces: From Transmitting and Reflecting Modes to Single-, Group-, and Fully-Connected Architectures

Li, H., Shen, S., & Clerckx, B. (2023). Beyond Diagonal Reconfigurable Intelligent Surfaces: From Transmitting and Reflecting Modes to Single-, Group-, and Fully-Connected Architectures. IEEE Transactions on Wireless Communications, 22(4), 2311-2324. doi:10.1109/twc.2022.3210706

DOI
10.1109/twc.2022.3210706
Journal article

Millimeter-Wave 3-D Imaging Using Leaky-Wave Antennas and an Extended Rytov Approximation in a Frequency-Diverse MIMO System

Ma, D., Zhang, Y., Dubey, A., Deshmukh, S., Shen, S., Zhang, Q., & Murch, R. (2023). Millimeter-Wave 3-D Imaging Using Leaky-Wave Antennas and an Extended Rytov Approximation in a Frequency-Diverse MIMO System. IEEE Transactions on Microwave Theory and Techniques, 71(4), 1809-1825. doi:10.1109/tmtt.2022.3223931

DOI
10.1109/tmtt.2022.3223931
Journal article

Performance Analysis of RIS-Assisted Communications With Element Grouping and Spatial Correlation

Li, Z., Kundu, N. K., Rao, J., Shen, S., McKay, M. R., & Murch, R. (2023). Performance Analysis of RIS-Assisted Communications With Element Grouping and Spatial Correlation. IEEE Wireless Communications Letters, 12(4), 630-634. doi:10.1109/lwc.2023.3237232

DOI
10.1109/lwc.2023.3237232
Journal article

Synergizing Beyond Diagonal Reconfigurable Intelligent Surface and Rate-Splitting Multiple Access

DOI
10.48550/arxiv.2303.06912
Preprint

Pixel Antenna Optimization Using the Adjoint Method and the Method of Moving Asymptote

Qiao, T., Jiang, F., Shen, S., Zhang, Z., Li, M., Chiu, C. -Y., . . . Murch, R. (2023). Pixel Antenna Optimization Using the Adjoint Method and the Method of Moving Asymptote. IEEE Transactions on Antennas and Propagation, 71(3), 2873-2878. doi:10.1109/tap.2023.3240563

DOI
10.1109/tap.2023.3240563
Journal article

A Dual-Function Radar-Communication System Empowered by Beyond Diagonal Reconfigurable Intelligent Surface

DOI
10.48550/arxiv.2301.03286
Preprint

Closed-Loop Wireless Power Transfer With Adaptive Waveform and Beamforming: Design, Prototype, and Experiment

Shen, S., Kim, J., & Clerckx, B. (2023). Closed-Loop Wireless Power Transfer With Adaptive Waveform and Beamforming: Design, Prototype, and Experiment. IEEE Journal of Microwaves, 3(1), 29-42. doi:10.1109/jmw.2022.3227048

DOI
10.1109/jmw.2022.3227048
Journal article

2022

A Novel Reconfigurable Intelligent Surface for Wide-Angle Passive Beamforming

Rao, J., Zhang, Y., Tang, S., Li, Z., Shen, S., Chiu, C. -Y., & Murch, R. (2022). A Novel Reconfigurable Intelligent Surface for Wide-Angle Passive Beamforming. IEEE Transactions on Microwave Theory and Techniques, 70(12), 5427-5439. doi:10.1109/tmtt.2022.3195224

DOI
10.1109/tmtt.2022.3195224
Journal article

Closed-Form Global Optimization of Beyond Diagonal Reconfigurable Intelligent Surfaces

DOI
10.48550/arxiv.2211.06117
Preprint

A Dynamic Grouping Strategy for Beyond Diagonal Reconfigurable Intelligent Surfaces with Hybrid Transmitting and Reflecting Mode

DOI
10.48550/arxiv.2210.02499
Preprint

Multiport Pixel Antenna Optimization Using Characteristic Mode Analysis and Sequential Feeding Port Search

Jiang, F., Zhang, Z., Li, M., Shen, S., Chiu, C. -Y., Zhang, Y., . . . Murch, R. (2022). Multiport Pixel Antenna Optimization Using Characteristic Mode Analysis and Sequential Feeding Port Search. IEEE Transactions on Antennas and Propagation, 70(10), 9160-9174. doi:10.1109/tap.2022.3184489

DOI
10.1109/tap.2022.3184489
Journal article

A Low-Profile Microstrip Vertically Polarized Endfire Antenna With 360° Beam-Scanning and High Beam-Shaping Capability

Zhang, Y., Tang, S., Han, Z., Rao, J., Shen, S., Li, M., . . . Murch, R. (2022). A Low-Profile Microstrip Vertically Polarized Endfire Antenna With 360° Beam-Scanning and High Beam-Shaping Capability. IEEE Transactions on Antennas and Propagation, 70(9), 7691-7702. doi:10.1109/tap.2022.3171342

DOI
10.1109/tap.2022.3171342
Journal article

Beyond Diagonal Reconfigurable Intelligent Surfaces: A Multi-Sector Mode Enabling Highly Directional Full-Space Wireless Coverage

DOI
10.48550/arxiv.2209.00301
Preprint

A Highly Pattern-Reconfigurable Planar Antenna With 360° Single- and Multi-Beam Steering

Zhang, Y., Han, Z., Tang, S., Shen, S., Chiu, C. -Y., & Murch, R. (2022). A Highly Pattern-Reconfigurable Planar Antenna With 360° Single- and Multi-Beam Steering. IEEE Transactions on Antennas and Propagation, 70(8), 6490-6504. doi:10.1109/tap.2022.3161514

DOI
10.1109/tap.2022.3161514
Journal article

A Pattern Correlation Decomposition Method for Analysis of ESPAR in Single-RF MIMO Systems

Han, Z., Shen, S., Zhang, Y., Chiu, C. -Y., & Murch, R. (2022). A Pattern Correlation Decomposition Method for Analysis of ESPAR in Single-RF MIMO Systems. IEEE Transactions on Wireless Communications, 21(7), 4654-4668. doi:10.1109/twc.2021.3131612

DOI
10.1109/twc.2021.3131612
Journal article

Using Loaded N-port Structures to Achieve the Continuous-Space Electromagnetic Channel Capacity Bound

DOI
10.48550/arxiv.2205.12501
Preprint

Fully Connected Reconfigurable Intelligent Surface Aided Rate-Splitting Multiple Access for Multi-User Multi-Antenna Transmission

Fang, T., Mao, Y., Shen, S., Zhu, Z., & Clerckx, B. (2022). Fully Connected Reconfigurable Intelligent Surface Aided Rate-Splitting Multiple Access for Multi-User Multi-Antenna Transmission. In 2022 IEEE International Conference on Communications Workshops (ICC Workshops). IEEE. doi:10.1109/iccworkshops53468.2022.9814551

DOI
10.1109/iccworkshops53468.2022.9814551
Conference Paper

Beyond Diagonal Reconfigurable Intelligent Surfaces: From Transmitting and Reflecting Modes to Single-, Group-, and Fully-Connected Architectures

DOI
10.48550/arxiv.2205.02866
Preprint

Optimal Grouping Strategy for Reconfigurable Intelligent Surface Assisted Wireless Communications

Kundu, N. K., Li, Z., Rao, J., Shen, S., McKay, M. R., & Murch, R. (2022). Optimal Grouping Strategy for Reconfigurable Intelligent Surface Assisted Wireless Communications. IEEE Wireless Communications Letters, 11(5), 1082-1086. doi:10.1109/lwc.2022.3156978

DOI
10.1109/lwc.2022.3156978
Journal article

Modeling and Architecture Design of Reconfigurable Intelligent Surfaces Using Scattering Parameter Network Analysis

Shen, S., Clerckx, B., & Murch, R. (2022). Modeling and Architecture Design of Reconfigurable Intelligent Surfaces Using Scattering Parameter Network Analysis. IEEE Transactions on Wireless Communications, 21(2), 1229-1243. doi:10.1109/twc.2021.3103256

DOI
10.1109/twc.2021.3103256
Journal article

Fully Connected Reconfigurable Intelligent Surface Aided Rate-Splitting Multiple Access for Multi-User Multi-Antenna Transmission

DOI
10.48550/arxiv.2201.07048
Preprint

An Ambient RF Powered Wireless Sensor System

Chiu, M. -T., Chiu, C. -Y., Ng, C., Wong, L. -O., Shen, S., & Murch, R. (2022). An Ambient RF Powered Wireless Sensor System. IEEE Open Journal of Antennas and Propagation, 3, 1382-1393. doi:10.1109/ojap.2022.3225169

DOI
10.1109/ojap.2022.3225169
Journal article

Pixel Antenna Optimization Based on Perturbation Sensitivity Analysis

Jiang, F., Shen, S., Chiu, C. -Y., Zhang, Z., Zhang, Y., Cheng, Q. S., & Murch, R. (2022). Pixel Antenna Optimization Based on Perturbation Sensitivity Analysis. IEEE Transactions on Antennas and Propagation, 70(1), 472-486. doi:10.1109/tap.2021.3097104

DOI
10.1109/tap.2021.3097104
Journal article

2021

Optimal Grouping Strategy for Reconfigurable Intelligent Surface Assisted Wireless Communications

DOI
10.48550/arxiv.2111.10550
Preprint

Wireless Power Transfer With Distributed Antennas: System Design, Prototype, and Experiments

Shen, S., Kim, J., Song, C., & Clerckx, B. (2021). Wireless Power Transfer With Distributed Antennas: System Design, Prototype, and Experiments. IEEE Transactions on Industrial Electronics, 68(11), 10868-10878. doi:10.1109/tie.2020.3036238

DOI
10.1109/tie.2020.3036238
Journal article

Enhancing Ambient Backscatter Communication Utilizing Coherent and Non-Coherent Space-Time Codes

Liu, W., Shen, S., Tsang, D. H. K., & Murch, R. (2021). Enhancing Ambient Backscatter Communication Utilizing Coherent and Non-Coherent Space-Time Codes. IEEE Transactions on Wireless Communications, 20(10), 6884-6897. doi:10.1109/twc.2021.3078051

DOI
10.1109/twc.2021.3078051
Journal article

Discrete-Value Group and Fully Connected Architectures for Beyond Diagonal Reconfigurable Intelligent Surfaces

DOI
10.48550/arxiv.2110.00077
Preprint

Compact MIMO Systems Utilizing a Pixelated Surface: Capacity Maximization

Zhang, Y., Shen, S., Han, Z., Chiu, C. -Y., & Murch, R. (2021). Compact MIMO Systems Utilizing a Pixelated Surface: Capacity Maximization. IEEE Transactions on Vehicular Technology, 70(9), 8453-8467. doi:10.1109/tvt.2021.3101687

DOI
10.1109/tvt.2021.3101687
Journal article

Highly Efficient Omnidirectional Integrated Multiband Wireless Energy Harvesters for Compact Sensor Nodes of Internet-of-Things

Song, C., Lu, P., & Shen, S. (2021). Highly Efficient Omnidirectional Integrated Multiband Wireless Energy Harvesters for Compact Sensor Nodes of Internet-of-Things. IEEE Transactions on Industrial Electronics, 68(9), 8128-8140. doi:10.1109/tie.2020.3009586

DOI
10.1109/tie.2020.3009586
Journal article

Joint Waveform and Beamforming Optimization for MIMO Wireless Power Transfer

Shen, S., & Clerckx, B. (2021). Joint Waveform and Beamforming Optimization for MIMO Wireless Power Transfer. IEEE Transactions on Communications, 69(8), 5441-5455. doi:10.1109/tcomm.2021.3075236

DOI
10.1109/tcomm.2021.3075236
Journal article

Single-Shot Frequency-Diverse Near-Field Imaging Using High-Scanning-Rate Leaky-Wave Antenna

Ma, D., Zhong, J., Shen, S., Dubey, A., Zhang, C., Zhang, Q., & Murch, R. (2021). Single-Shot Frequency-Diverse Near-Field Imaging Using High-Scanning-Rate Leaky-Wave Antenna. IEEE Transactions on Microwave Theory and Techniques, 69(7), 3399-3412. doi:10.1109/tmtt.2021.3065713

DOI
10.1109/tmtt.2021.3065713
Journal article

Closed-Loop Wireless Power Transfer with Adaptive Waveform and Beamforming: Design, Prototype, and Experiment

DOI
10.48550/arxiv.2106.03519
Preprint

Characteristic Mode Analysis of ESPAR for Single-RF MIMO Systems

Han, Z., Zhang, Y., Shen, S., Li, Y., Chiu, C. -Y., & Murch, R. (2021). Characteristic Mode Analysis of ESPAR for Single-RF MIMO Systems. IEEE Transactions on Wireless Communications, 20(4), 2353-2367. doi:10.1109/twc.2020.3041449

DOI
10.1109/twc.2020.3041449
Journal article

Directional Multiport Ambient RF Energy-Harvesting System for the Internet of Things

Shen, S., Zhang, Y., Chiu, C. -Y., & Murch, R. (2021). Directional Multiport Ambient RF Energy-Harvesting System for the Internet of Things. IEEE Internet of Things Journal, 8(7), 5850-5865. doi:10.1109/jiot.2020.3032435

DOI
10.1109/jiot.2020.3032435
Journal article

An Efficient Optimization Scheme for MIMO Antenna Decoupling Networks Using Space Mapping Techniques

Jiang, F., Zhang, Z., Cheng, Q. S., Shen, S., Chiu, C. -Y., & Murch, R. (2021). An Efficient Optimization Scheme for MIMO Antenna Decoupling Networks Using Space Mapping Techniques. IEEE Journal on Multiscale and Multiphysics Computational Techniques, 6, 56-61. doi:10.1109/jmmct.2021.3078762

DOI
10.1109/jmmct.2021.3078762
Journal article

Beamforming Optimization for MIMO Wireless Power Transfer With Nonlinear Energy Harvesting: RF Combining Versus DC Combining

Shen, S., & Clerckx, B. (2021). Beamforming Optimization for MIMO Wireless Power Transfer With Nonlinear Energy Harvesting: RF Combining Versus DC Combining. IEEE Transactions on Wireless Communications, 20(1), 199-213. doi:10.1109/twc.2020.3024064

DOI
10.1109/twc.2020.3024064
Journal article

2020

Harnessing Ambient RF Waves for Novel Applications

Murch, R., Chiu, C. -Y., & Shen, S. (2020). Harnessing Ambient RF Waves for Novel Applications. In 2020 IEEE Asia-Pacific Microwave Conference (APMC) (pp. 42-44). IEEE. doi:10.1109/apmc47863.2020.9331733

DOI
10.1109/apmc47863.2020.9331733
Conference Paper

The Design of a Trimodal Broadside Antenna Element for Compact Massive MIMO Arrays: Utilizing the Theory of Characteristic Modes

Chiu, C. -Y., Shen, S., Lau, B. K., & Murch, R. (2020). The Design of a Trimodal Broadside Antenna Element for Compact Massive MIMO Arrays: Utilizing the Theory of Characteristic Modes. IEEE Antennas and Propagation Magazine, 62(6), 46-61. doi:10.1109/map.2019.2958515

DOI
10.1109/map.2019.2958515
Journal article

Modeling and Architecture Design of Reconfigurable Intelligent Surfaces Using Scattering Parameter Network Analysis

DOI
10.48550/arxiv.2011.11362
Preprint

A Triple-Band High-Gain Multibeam Ambient RF Energy Harvesting System Utilizing Hybrid Combining

Shen, S., Zhang, Y., Chiu, C. -Y., & Murch, R. (2020). A Triple-Band High-Gain Multibeam Ambient RF Energy Harvesting System Utilizing Hybrid Combining. IEEE Transactions on Industrial Electronics, 67(11), 9215-9226. doi:10.1109/tie.2019.2952819

DOI
10.1109/tie.2019.2952819
Journal article

Wireless Power Transfer with Distributed Antennas: System Design, Prototype, and Experiments

DOI
10.48550/arxiv.2011.00252
Preprint

Enhancing Ambient Backscatter Communication Utilizing Coherent and Non-Coherent Space-Time Codes

DOI
10.48550/arxiv.2009.06204
Preprint

Beamforming Optimization for MIMO Wireless Power Transfer with Nonlinear Energy Harvesting: RF Combining versus DC Combining

DOI
10.48550/arxiv.2009.05967
Preprint

An Ultra-low-power Power Management Circuit with Output Bootstrapping and Reverse Leakage Reduction Function for RF Energy Harvesting

Zeng, Z., Shen, S., Wang, B., Estrada-López, J. J., Murch, R., & Sánchez-Sinencio, E. (2020). An Ultra-low-power Power Management Circuit with Output Bootstrapping and Reverse Leakage Reduction Function for RF Energy Harvesting. In 2020 IEEE/MTT-S International Microwave Symposium (IMS) (pp. 1059-1062). IEEE. doi:10.1109/ims30576.2020.9224098

DOI
10.1109/ims30576.2020.9224098
Conference Paper

A Broadband Transparent Antenna Integrated with an Indoor Solar Cell for WLAN Applications

Zhang, Y., Shen, S., Chiu, C. -Y., & Murch, R. (2020). A Broadband Transparent Antenna Integrated with an Indoor Solar Cell for WLAN Applications. In 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting (pp. 437-438). IEEE. doi:10.1109/ieeeconf35879.2020.9329530

DOI
10.1109/ieeeconf35879.2020.9329530
Conference Paper

Pixel Antenna Optimization Using $N$ -Port Characteristic Mode Analysis

Jiang, F., Chiu, C. -Y., Shen, S., Cheng, Q. S., & Murch, R. (2020). Pixel Antenna Optimization Using $N$ -Port Characteristic Mode Analysis. IEEE Transactions on Antennas and Propagation, 68(5), 3336-3347. doi:10.1109/tap.2019.2963588

DOI
10.1109/tap.2019.2963588
Journal article

Polarization Enhancement of Microstrip Antennas by Asymmetric and Symmetric Grid Defected Ground Structures

Zhang, Y., Han, Z., Shen, S., Chiu, C. -Y., & Murch, R. (2020). Polarization Enhancement of Microstrip Antennas by Asymmetric and Symmetric Grid Defected Ground Structures. IEEE Open Journal of Antennas and Propagation, 1, 215-223. doi:10.1109/ojap.2020.2995460

DOI
10.1109/ojap.2020.2995460
Journal article

2019

Hybrid RF-Solar Energy Harvesting Systems Utilizing Transparent Multiport Micromeshed Antennas

Zhang, Y., Shen, S., Chiu, C. Y., & Murch, R. (2019). Hybrid RF-Solar Energy Harvesting Systems Utilizing Transparent Multiport Micromeshed Antennas. IEEE Transactions on Microwave Theory and Techniques, 67(11), 4534-4546. doi:10.1109/tmtt.2019.2930507

DOI
10.1109/tmtt.2019.2930507
Journal article

An Ambient RF Energy Harvesting System Where the Number of Antenna Ports is Dependent on Frequency

Shen, S., Zhang, Y., Chiu, C. -Y., & Murch, R. (2019). An Ambient RF Energy Harvesting System Where the Number of Antenna Ports is Dependent on Frequency. IEEE Transactions on Microwave Theory and Techniques, 67(9), 3821-3832. doi:10.1109/tmtt.2019.2906598

DOI
10.1109/tmtt.2019.2906598
Journal article

Design of Sub-Gigahertz Reconfigurable RF Energy Harvester From −22 to 4 dBm With 99.8% Peak MPPT Power Efficiency

Zeng, Z., Shen, S., Zhong, X., Li, X., Tsui, C. -Y., Bermak, A., . . . Sanchez-Sinencio, E. (2019). Design of Sub-Gigahertz Reconfigurable RF Energy Harvester From −22 to 4 dBm With 99.8% Peak MPPT Power Efficiency. IEEE Journal of Solid-State Circuits, 54(9), 2601-2613. doi:10.1109/jssc.2019.2919420

DOI
10.1109/jssc.2019.2919420
Journal article

Investigation of a Flexible Reconfigurable Antenna using Liquid Crystal

Yang, L., Zhang, Y., Chiu, C. -Y., Shen, S., & Murch, R. (2019). Investigation of a Flexible Reconfigurable Antenna using Liquid Crystal. In 2019 8th Asia-Pacific Conference on Antennas and Propagation (APCAP) (pp. 430-431). IEEE. doi:10.1109/apcap47827.2019.9472120

DOI
10.1109/apcap47827.2019.9472120
Conference Paper

Multiport Rectennas for Ambient RF Energy Harvesting

Shen, S., Zhang, Y., Chiu, C. -Y., & Murch, R. (2019). Multiport Rectennas for Ambient RF Energy Harvesting. In 2019 IEEE MTT-S International Wireless Symposium (IWS) (pp. 1-3). IEEE. doi:10.1109/ieee-iws.2019.8803963

DOI
10.1109/ieee-iws.2019.8803963
Conference Paper

Reconfigurable Metal Chassis Antenna

CHIU, C. -Y., SHEN, S., JIANG, F., ISHIMIYA, K., CHENG, Q. S., & MURCH, R. D. (2019). Reconfigurable Metal Chassis Antenna. IEICE Transactions on Communications, E102.B(1), 147-155. doi:10.1587/transcom.2018ebp3123

DOI
10.1587/transcom.2018ebp3123
Journal article

2018

Mutual Coupling Reduction of Rotationally Symmetric Multiport Antennas

Chiu, C. -Y., Xu, F., Shen, S., & Murch, R. D. (2018). Mutual Coupling Reduction of Rotationally Symmetric Multiport Antennas. IEEE Transactions on Antennas and Propagation, 66(10), 5013-5021. doi:10.1109/tap.2018.2854301

DOI
10.1109/tap.2018.2854301
Journal article

A Dual-band Transparent Coplanar Patch Antenna for WLAN Systems

Zhang, Y., Shen, S., Chiu, C. -Y., & Murch, R. D. (2018). A Dual-band Transparent Coplanar Patch Antenna for WLAN Systems. In 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 465-466). IEEE. doi:10.1109/apusncursinrsm.2018.8609416

DOI
10.1109/apusncursinrsm.2018.8609416
Conference Paper

Co-design of Antenna and Illumination Systems

Chiu, C. -Y., Zhang, Y., Shen, S., & Murch, R. D. (2018). Co-design of Antenna and Illumination Systems. In 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 1675-1676). IEEE. doi:10.1109/apusncursinrsm.2018.8608554

DOI
10.1109/apusncursinrsm.2018.8608554
Conference Paper

Multiport Pixel Rectenna for Ambient RF Energy Harvesting

Shen, S., Chiu, C. -Y., & Murch, R. D. (2018). Multiport Pixel Rectenna for Ambient RF Energy Harvesting. IEEE Transactions on Antennas and Propagation, 66(2), 644-656. doi:10.1109/tap.2017.2786320

DOI
10.1109/tap.2017.2786320
Journal article

2017

A broadband l-probe microstrip patch rectenna for ambient RF energy harvesting

Shen, S., Chiu, C. -Y., & Murch, R. D. (2017). A broadband l-probe microstrip patch rectenna for ambient RF energy harvesting. In 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 2037-2038). IEEE. doi:10.1109/apusncursinrsm.2017.8073061

DOI
10.1109/apusncursinrsm.2017.8073061
Conference Paper

Optimization of 2.45-GHz pixel rectenna for wireless power transmission using mixed integer linear programming

Shen, S., Chiu, C. -Y., & Murch, R. D. (2017). Optimization of 2.45-GHz pixel rectenna for wireless power transmission using mixed integer linear programming. In 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 351-352). IEEE. doi:10.1109/apusncursinrsm.2017.8072218

DOI
10.1109/apusncursinrsm.2017.8072218
Conference Paper

Transparent dual-band antenna for smart watch applications

Chiu, C. -Y., Shen, S., & Murch, R. D. (2017). Transparent dual-band antenna for smart watch applications. In 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 191-192). IEEE. doi:10.1109/apusncursinrsm.2017.8072138

DOI
10.1109/apusncursinrsm.2017.8072138
Conference Paper

Successive Boolean Optimization of Planar Pixel Antennas

Shen, S., Sun, Y., Song, S., Palomar, D. P., & Murch, R. D. (2017). Successive Boolean Optimization of Planar Pixel Antennas. IEEE Transactions on Antennas and Propagation, 65(2), 920-925. doi:10.1109/tap.2016.2634399

DOI
10.1109/tap.2016.2634399
Journal article

A Dual-Port Triple-Band L-Probe Microstrip Patch Rectenna for Ambient RF Energy Harvesting

Shen, S., Chiu, C. -Y., & Murch, R. D. (2017). A Dual-Port Triple-Band L-Probe Microstrip Patch Rectenna for Ambient RF Energy Harvesting. IEEE Antennas and Wireless Propagation Letters, 16, 3071-3074. doi:10.1109/lawp.2017.2761397

DOI
10.1109/lawp.2017.2761397
Journal article

2016

Dual-band antenna pair for MIMO WiFi compact mobile terminals

Chiu, C. -Y., Shen, S., & Murch, R. D. (2016). Dual-band antenna pair for MIMO WiFi compact mobile terminals. In 2016 IEEE International Symposium on Antennas and Propagation (APSURSI) (pp. 65-66). IEEE. doi:10.1109/aps.2016.7695741

DOI
10.1109/aps.2016.7695741
Conference Paper

Multi-port ladder impedance matching for compact MIMO communication systems

Shen, S., Chiu, C. -Y., & Murch, R. D. (2016). Multi-port ladder impedance matching for compact MIMO communication systems. In 2016 IEEE International Symposium on Antennas and Propagation (APSURSI) (pp. 197-198). IEEE. doi:10.1109/aps.2016.7695807

DOI
10.1109/aps.2016.7695807
Conference Paper

Impedance Matching for Compact Multiple Antenna Systems in Random RF Fields

Shen, S., & Murch, R. D. (2016). Impedance Matching for Compact Multiple Antenna Systems in Random RF Fields. IEEE Transactions on Antennas and Propagation, 64(2), 820-825. doi:10.1109/tap.2015.2510006

DOI
10.1109/tap.2015.2510006
Journal article

2015

Designing dual-port pixel antenna for ambient RF energy harvesting using genetic algorithm

Shen, S., & Murch, R. D. (2015). Designing dual-port pixel antenna for ambient RF energy harvesting using genetic algorithm. In 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting (pp. 1286-1287). IEEE. doi:10.1109/aps.2015.7305032

DOI
10.1109/aps.2015.7305032
Conference Paper