Beamforming Feedback-Based Model-Driven Angle of Departure Estimation Toward Legacy Support in WiFi Sensing
In this study we experimentally validated the possibility of estimating the angle of departure (AoD) using multiple signal classification (MUSIC) with only […]
ACK-Less Rate Adaptation Using Distributional Reinforcement Learning for Reliable IEEE 802.11bc Broadcast WLANs
As a step towards establishing reliable broadcast wireless local area networks (WLANs) this paper proposes acknowledgement (ACK)-less rate adaptation to alleviate reception […]
EmgAuth
Screen lock is a critical security feature for smartphones to prevent unauthorized access. Although various screen unlocking technologies, including fingerprint and facial […]
Mood ratings and digital biomarkers from smartphone and wearable data differentiates and predicts depression status
Depression is a prevalent mental disorder. Current clinical and self-reported assessment methods of depression are laborious and incur recall bias. Their sporadic […]
Age-of-Information in First-Come-First-Served Wireless Communications
This paper establishes an analytical framework for the upper bound on the average Age-of-Information (AoI) in first-come-first-served (FCFS) wireless communications where a […]
Hybrid Beamforming and Adaptive RF Chain Activation for Uplink Cell-Free Millimeter-Wave Massive MIMO Systems
In this work, we investigate hybrid analog–digital beamforming (HBF) architectures for uplink cell-free (CF) millimeter-wave (mmWave) massive multiple-input multiple-output (MIMO) systems. We […]
Emerging Technologies for Next Generation Remote Health Care and Assisted Living
Remote health care is currently one of the most promising solutions to ensure a high level of treatment outcome cost-efficiency and sustainability […]
Two-Stage Channel Estimation for Hybrid RIS Assisted MIMO Systems
Reconfigurable intelligent surfaces (RISs) have been proposed as a key enabler to improve the coverage of the signals and mitigate the frequent […]
Low-Power Wide-Area Networks
Low Power Wide Area Networks (LPWANs) have become an important enabler for the Internet of Things (IoT) connectivity. Application domains like smart […]
Tailoring Disordered/Ordered Phases to Revisit the Degradation Mechanism of High-Voltage LiNi0.5Mn1.5O4 Spinel Cathode Materials
In the spinel oxide cathode family LiNi0.5Mn1.5O4 (LNMO) shows a high operating voltage (≈4.7 V vs Li/Li⁺) and excellent Li-ion mobility with […]