Welcome to 6G@HK
AT Track 2: Low-Power and Radio-Frequency (RF) Wave Technology
Leader: Prof. Ross MURCH
Co-Leader: Prof. Chi Ying TSUI
Faculty Members: Prof. Vincent Kin Nang LAU, Prof. Chik Patrick YUE, Prof. Qian ZHANG, Prof. Angela Yingjun ZHANG
Presentation by Prof. Ross MURCH on the progress of AT Track 2 during the mid-cycle review on-site visit on our 6G AoE Project in Oct 2024
Journal Papers (AT Track 2)
[1] Jun Qian, Shanpu Shen, and Ross Murch, “Including Antenna Effects into Capacity Formulations of Line-of-Sight MIMO Channels,” IEEE Wireless Communication Letters, Vol.13, no. 9, pp. 2477-2481, Sept 2024. [paper]
[2] Hua Kang, Qingyong Hu, and Qian Zhang, “SF-Adapter: Computational-Efficient Source-Free Domain Adaptation for Human Activity Recognition,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 7, no. 4, Article 164, pp. 1–23, Dec. 2023. [paper]
[3] Wentao Xie, Huangxun Chen, Jing Wei, Jin Zhang, and Qian Zhang, “RimSense: Enabling Touch-based Interaction on Eyeglass Rim using Piezoelectric Sensors,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 7, no. 4, Article 191, pp. 1–24, Dec. 2023. [paper]
[4] Meng Xue, Yuyang Zeng, Shengkang Gu, Qian Zhang, Bowei Tian, and Changzheng Chen, “SDE: Early Screening for Dry Eye Disease with Wireless Signals,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 7, no. 4, Article No 194, pp. 1–23, Dec. 2023. [paper]
[5] Suzhi Bi, Zhenpeng Zhuo, Xiao-Hui Lin, Yuan Wu, and Ying-Jun Zhang, “Physical-Environment-Map-Aided 3-D Deployment Optimization for UAV-Assisted Integrated Localization and Communication in Urban Areas,” IEEE Internet of Things Journal, Vol. 11, no. 9, pp. 15490-15503 May 2024. [paper]
[6] Noor Waqar, Kai-Kit Wong, Chan-Byoung Chae, Ross Murch, Shi Jin, and Adrian Sharples, “Opportunistic Fluid Antenna Multiple Access via Team-Inspired Reinforcement Learning,” IEEE Transactions on Wireless Communications, Vol. 23, no. 9, 12068-12083, Sept 2024. [paper]
[7] Ranjan K Mallik, Ross Murch, “New Exact Higher Order Moment Expressions for the PAPR of Complex Gaussian Variables,” IEEE Wireless Communications Letters, Vol. 13, no. 2, pp. 382-386, Feb. 2024. [paper]
[8] Chanyuan Meng, Ke Xiong, Wei Chen, Bo Gao, Pingyi Fan, Khaled Ben Letaief, “Sum-rate maximization in STAR-RIS assisted RSMA networks: A PPO-based algorithm,” IEEE Internet of Things Journal, Vol. 11, no. 4, pp. 5667-5680, 15 Feb 2024. [paper]
[9] Yujie Zhang, Shiwen Tang, Junhui Rao, Chi-Yuk Chiu, Xudong Chen, and Ross Murch, “A Dual-Port Dual-Beam Pattern-Reconfigurable Antenna With Independent 2-D Beam-Scanning,” IEEE Transactions on Antennas and Propagation, Vol. 72, no. 10, pp. 7628-7643, Oct 2024. [paper]
[10] Chang Cai, Xiaojun Yuan, and Ying-Jun Angela Zhang, “Multi-Device Task-Oriented Communication via Maximal Coding Rate Reduction,” IEEE Transactions on Wireless Communications, Vol. 23, no. 12, pp. 18096-18110, Dec 2024. [paper]
[11] Jichen Zhang, Junhui Rao, Zan Li, Zhaoyang Ming, Chi-Yuk Chiu, Kai-Kit Wong, Kin-Fai Tong, and Ross Murch, “A Novel Pixel-Based Reconfigurable Antenna Applied in Fluid Antenna Systems With High Switching Speed,” IEEE Open Journal of Antennas and Propagation, Early Access, Nov 2024. [paper]
[12] Wee Kiat New, Kai-Kit Wong, Hao Xu, Farshad Rostami Ghadi, Ross Murch, and Chan-Byoung Chae, “Channel Estimation and Reconstruction in Fluid Antenna System: Oversampling is Essential,” IEEE Transactions on Wireless Communications, Early Access, Nov 2024. [paper]
[13] Linping Qu, Yuyi Mao, Shenghui Song, and Chi-Ying Tsui, “Energy-Efficient Channel Decoding for Wireless Federated Learning: Convergence Analysis and Adaptive Design,” IEEE Transactions on Wireless Communications, Vol. 23, no. 11, pp. 17222-17235, Nov 2024. [paper]
[14] Junhui Rao, Zhaoyang Ming, Jichen Zhang, Zan Li, Chi Yuk Chiu, and Ross Murch, “A Compact Shared-Aperture Antenna With 2-Transmit and 2-Receive Highly-Isolated Ports for Full-Duplex MIMO Systems,” IEEE Open Journal of Antennas and Propagation, Vol. 6, Issue 2, pp. 422-432, Apr 2025. [paper]
[15] Wee Kiat New, Kai-Kit Wong, Hao Xu, Chao Wang, Farshad Rostami Ghadi, Jichen Zhang, Junhui Rao, Ross Murch, and Pablo Ramírez-Espinosa, “A Tutorial on Fluid Antenna System for 6G Networks: Encompassing Communication Theory, Optimization Methods and Hardware Designs,” IEEE Communications Surveys & Tutorials, Early Access, Nov 2024 [paper]
[16] Yujie Zhang, Shiwen Tang, Junhui Rao, Chi-Yuk Chiu, Xudong Chen, Ross Murch, “A Dual-Port Dual-Beam Pattern-Reconfigurable Antenna with Independent 2-D Beam Scanning,” IEEE Transactions on Antennas and Propagation, Vol. 72, no. 10, pp. 7628-7643, Sep 2024 [paper]
[17] Linping Qu, Yuyi Mao, Shenghui Song, and Chi-Ying Tsui, “Energy-Efficient Channel Decoding for Wireless Federated Learning: Convergence Analysis and Adaptive Design,” IEEE Transactions on Wireless Communications, Vol. 23, no. 11, pp. 17222-17235, Nov 2024. [paper]
[18] Syed Mohsin Abbas, Marwan Jalaleddine, Chi-Ying Tsui, and Warren J. Gross, “Improved Step-GRAND: Low-Latency Soft-Input Guessing Random Additive Noise Decoding,” IEEE Transactions on Very Large Scale Integration (VLSI) Systems, Vol. 33, no. 4, pp. 1028-1041, Apr 2025. [paper]
[19] Yinuo Huang, Chang Cai, Xiaojun Yuan, and Ying-Jun Angela Zhang, “Joint Active and Passive Beamforming for RIS-Aided Semantic Communication,” IEEE Transactions on Vehicular Technology, Vol. 73, no. 12, pp. 19815-19820, Dec 2024. [paper]
[20] Chongyun Zhang, Fuzhan Chen, Li Wang, Lin Wang, and C. Patrick Yue, “Recent Advances of High-Speed Short-Reach Optical Interconnects for Data Centers,” IEEE Open Journal of the Solid-State Circuits Society, Vol. 5, pp. 86-100, Jan 2025. [paper]
[21] Wentao Xie, Chi Xu, Yanbin Gong, Yu Wang, Yuxin Liu, Jin Zhang, Qian Zhang, Zeguang Zheng, and Shifang Yang, “DeepBreath: Breathing Exercise Assessment with a Depth Camera”, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 8, no. 3, pp. 1-26, Sep 2024. [paper]
[22] Meng Xue, Yinan Zhu, Wentao Xie, Zhixian Wang, Yanjiao Chen, Kui Jiang, and Qian Zhang, “MobHAR: Source-free Knowledge Transfer for Human Activity Recognition on Mobile Devices”, Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 9, Issue 1, article no. 22, pp. 1-24, Jan 2025. [paper]
[23] Hao Xu, Kai-Kit Wong, Wee Kiat New, Farshad Rostami Ghadi, Gui Zhou, Ross Murch, Chan-Byoung Chae, Yongxu Zhu, Shi Jin, “Capacity Maximization for FAS-assisted Multiple Access Channels,” IEEE Transactions on Communications, Early Access, Dec 2024. [paper]
[24] Junhui Rao, Yujie Zhang, Shiwen Tang, Zan Li, Zhaoyang Ming, Jichen Zhang, Chi-Yuk Chiu, and Ross Murch, “A Shared-Aperture Dual-Band Sub-6 GHz and mmWave Reconfigurable Intelligent Surface With Independent Operation,” IEEE Transactions on Microwave Theory and Techniques, Early Access, Dec 2024. [paper]
[25] Halvin Yang, Hao Xu, Kai-Kit Wong, Chan-Byoung Chae, Ross Murch, Shi Jin, and Yangyang Zhang, “Position Index Modulation for Fluid Antenna System,” IEEE Transactions on Wireless Communications, Vol. 23, no. 11, pp. 16773-16787, Nov 2024. [paper]
[26] Chao Wang, Zan Li, Kai-Kit Wong, Ross Murch, Chan-Byoung Chae, and Shi Jin, “AI-Empowered Fluid Antenna Systems: Opportunities, Challenges, and Future Directions,” IEEE Wireless Communications, Vol. 31, no. 5, pp. 34-41, Oct 2024. [paper]
[27] Li Wang, Zilu Liu, Ruitao Ma, and C. Patrick Yue, “A Compact 20–24-GHz Sub-Sampling PLL With Charge-Domain Bandwidth Control Scheme,” IEEE Journal of Solid-State Circuits, Vol. 60, no. 3, pp. 768-784, Mar 2025. [paper]
[28] Meng Xue , Zhixian Wang , Qian Zhang , Xueluan Gong , Zhihang Liu, and Yanjiao Chen, “ARTEMIS: Defending Against Backdoor Attacks via Distribution Shift,” IEEE Transactions on Dependable and Secure Computing, Vol. 22, no. 2, pp. 1781-1795, Mar-Apr 2025. [paper]
[29] Lei Zhang, Yazhou Ma, Mingzi Zuo, Zhen Ling, Changyu Dong, Guangquan Xu, Lin Shu, Xiaochen Fan, and Qian Zhang, “Toward Cross-Environment Continuous Gesture User Authentication With Commercial Wi-Fi,” IEEE Transactions on Networking, Early Access, Mar 2025. [paper]
[30] Qingyong Hu, Qian Zhang, Hao Lu, Shun Wu, Yuxuan Zhou, Qianyi Huang, Huangxun Chen, Ying-Cong Chen, Ni Zhao, “Contactless Arterial Blood Pressure Waveform Monitoring with mmWave Radar,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 8, no. 4, Article No.: 178, pp. 1 – 29, Nov 2024. [paper]
[31] Baichen Yang, Xinyi Zhang, Jiaxi Zhang, Zirui Huang, Qiqi Lu, Jin Zhang, Hai Hu, and Qian Zhang, “KneeGuard: A Calibration-free Wearable Monitoring System for Knee Osteoarthritis Gait Re-training via Effortless Wearing,” Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Vol. 8, no. 4, Article No.: 151, pp. 1-29, Nov 2024. [paper]
Conference Papers (AT Track 2)
[1] Chongyun Zhang, Li Wang, Zilu Liu, Fuzhan Chen, Quan Pan, Xianbo Li, and C. Patrick Yue, “A 48-Gb/s Half-Rate PAM4 Optical Receiver with 0.27-pJ/bit TIA Efficiency,1.28-pJ/bit RX Efficiency, and 0.06-mm2 area in 28-nm CMOS,” in Proc. IEEE Symposium on VLSI Technology & Circuits, Hawaii, United States, Jun. 2024. [paper]
[2] Li Wang, Zilu Liu, Ruitao Ma and C. Patrick Yue, “A 20-24-GHz DPSSPLL with Charge-Domain Bandwidth Optimization Scheme Achieving 61.3-fs RMS Jitter and -253-dB FoMJitter,” in Proc. IEEE Custom Integrated Circuits Conference, Denver, United States, Apr. 2024.
[3] Zilu Liu, Li Wang, Hamed Fallah1, Zhijian Chen, C. Patrick Yue, “A Compact 28-GHz Transmitter Front-End with Co-Optimized Wideband Chip-Antenna Interface Achieving 18.5-dBm P1dB and 1.0-W/mm2 Power Density for Phased Array Systems,” in Proc. International Microwave Symposium, Washington, United States, Jun. 2024. [paper]
[4] Jun Qian, Chi Zhang, Khaled B. Letaief, and Ross Murch, “Two-phase channel estimation for RIS-aided cell free massive MIMO with electromagnetic interference,” in Proc. IEEE Int. Mediterranean Conf. Commun. and Networking (MeditCom), Madrid, Spain, Jul. 2024. [paper]
[5] Tianrui Qiao, Zixiang Han, Shanpu Shen, Chi-Yuk Chiu, Qingsha S. Cheng, and Ross Murch, “Performance Bounds on the Partial Gain to Q-factor Quotient for Loaded N-port Antenna Systems,” in Proc. IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, Florence, Italy, Jul. 2024. [paper]
[6] Fuzhan Chen, C. Patrick Yue, and Quan Pan, “A 56-Gbaud 7.3-Vppd Linear Modulator Transmitter with AMUX-Based Reconfigurable FFE and Dynamic Triple-Stacked Driver in 130-nm SiGe BiCMOS,” in Proc. IEEE Custom Integrated Circuits Conference (CICC), Denver, CO, USA, Apr. 2024. [paper]
[7] Chenggao Li, Qianyi Huang, Yuxuan Zhou, Yandao Huang, Qingyong Hu, Huangxun Chen, and Qian Zhang, “RIScan: RIS-aided Multi-user Indoor Localization Using COTS Wi-Fi,” in Proc. ACM Conference on Embedded Networked Sensor Systems (SenSys), Istanbul, Turkey, Nov. 2023. [paper]
[8] Yuxuan Zhou, Chenggao Li, Huangxun Chen, and Qian Zhang, “RIStealth: Practical and Covert Physical-Layer Attack against WiFi-based Intrusion Detection via Reconfigurable Intelligent Surface,” in Proc. ACM Conference on Embedded Networked Sensor Systems (SenSys), Istanbul, Turkey, Nov. 2023. [paper]
[9] Baichen Yang, Qingyong Hu1, Wentao Xie, Xinchen Wang, Wei Luo, and Qian Zhang, “PDAssess: A Privacy-preserving Free-speech based Parkinson’s Disease Daily Assessment System,” in Proc. ACM Conference on Embedded Networked Sensor Systems (SenSys), Istanbul, Turkey, Nov. 2023. [paper]
[10] Yuanrui Liu, Xiaoyu Zhao, Wei Chen, and Ying-Jun Angela Zhang, “Dynamic Framing and Power Allocation for Real-Time Wireless Communications with Variable-Length Coding,” in Proc. IEEE Global Communications Conference (GLOBECOM), Kuala Lumpur, Malaysia, Dec. 2023. [paper]
[11] S. M. Abbas, M. Jalaleddine, C. Y. Tsui, and W. J. Gross, “Step-GRAND: A Low Latency Universal Soft Input Decoder,” in Proc. IEEE Global Communications Conference (GLOBECOM), Kuala Lumpur, Malaysia, Dec. 2023. [paper]
[12] Fuzhan Chen, Chongyun Zhang, Li Wang, Quan Pan, and C. Patrick Yue, “A 2.05-pJ/b 56-Gb/s PAM-4 VCSEL Transmitter with Piecewise Nonlinearity Compensation and Asymmetric Equalization in 40-nm CMOS,” in Proc. IEEE 49th European Solid State Circuits Conference (ESSCIRC), Lisbon, Portugal, Sept. 2023. [paper]
[13] Johar Abdekhoda, Li Wang, Reza Sarvari, and Chik Patrick Yue, “A Bang-Bang Phase Detector for PAM-N Signaling,” in Proc. IEEE International Conference on ASIC (ASICON), Nanjing, China, Oct. 2023. [paper]
[14] Zilu Liu, Li Wang, Hamed Fallah, and C. Patrick Yue, “Design of Chip-to-PCB Matching Network for Millimeter-Wave On-Chip Transmitter and On-PCB Antenna,” in Proc. IEEE International Conference on ASIC (ASICON), Nanjing, China, Oct. 2023. [paper]
[15] Zhaoyang Ming, Shanpu Shen, and Ross Murch, “A 2-Bit Phase Reconfigurable Aperture Coupled Pixel Antenna,” in Proc. 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI), Firenze, Italy, Jul 2024. [paper]
[16] Yinan Zhu, and Qian Zhang, “LoPrint: Mobile Authentication of RFID-Tagged Items Using COTS Orthogonal Antennas,” in Proc. IEEE INFOCOM 2024 – IEEE Conference on Computer Communications, Vancouver, BC, Canada, 20-23 May 2024. [paper]
[17] Hua Kang, Qingyong Hu, Huangxun Chen, Qianyi Huang, Qian Zhang, and Min Cheng, “Cross-shaped Separated Spatial-Temporal UNet Transformer For Accurate Channel Prediction,” in Proc. IEEE INFOCOM 2024 – IEEE Conference on Computer Communications, Vancouver, BC, Canada, 20-23 May 2024. [paper]
[18] Linfei Ge, Wentao Xie, Jin Zhang, and Qian Zhang, “BLEAR: Practical Wireless Earphone Tracking under BLE protocol,” in Proc. 2024 IEEE International Conference on Pervasive Computing and Communications (PerCom), Biarritz, France, 11-15 March 2024. [paper]
[19] Haiyan Hu, Yinan Zhu, Baichen Yang, Hua Kang, Shanwen Chen, and Qian Zhang, “MeatSpec: Enabling Ubiquitous Meat Fraud Inspection through Consumer-Level Spectral Imaging,” in Proc. the 30th Annual International Conference on Mobile Computing and Networking 2024, pp. 861-874, Washington D.C. DC USA, 18-22 Nov 2024. [paper]
Posters (AT Track 2)
[1] “RIStealth: Practical and Covert Physical-Layer Attack against WiFi-based Intrusion Detection via Reconfigurable Intelligent Surface” (Prof. Qian ZHANG’s group) 
[2] “RIScan: RIS-aided Multi-user Indoor Localization Using COTS Wi-Fi” (Prof. Qian ZHANG’s group)
[3] “A Design of Pixel-based Reconfigurable Antenna for Fluid Antenna System” (Prof. Ross MURCH’s group)
[4] “A Compact 2×2 In-Band Full-Duplex MIMO Antenna with Shared Aperture and Co-Polarization” (Prof. Ross MURCH’s group)
[5] “Performance Analysis of RIS-Assisted Cell-Free Massive MIMO Systems” (Prof. Ross MURCH’s group)
[6] “How Robust is Federated Learning to Communication Error? A Comparison Study Between Uplink and Downlink Channels” (Prof. Chi Ying TSUI’s group)
[7] “Reconfigurable Intelligent Surface with Wide-Angle Passive Beamforming for Future Wireless Communication Systems” (Prof. Ross MURCH’s group)
[8] “An Ambient RF Powered Wireless Sensor System” (Prof. Ross MURCH’s group)
[9] “A Real-Time Radio Tomographic Indoor Imaging using Inverse Scattering” (Prof. Ross MURCH’s group)
[10] “A 28-GHz Sliding-IF Phased-Array Transmitter with 24% PeakEfficiency and 0.26-mm2/Element Area Efficiency” (Prof. Chik Patrick YUE’s group)
[11] “High-SPLIQIC & System-in-packages for Enterprise Communication Markets” (Prof. Chik Patrick YUE’s group)