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A. Nallanathan

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Open access 2026

Artificial Noise-Aided Secure Precoding for RSMA Satellite Downlinks Under Channel Uncertainty

Rate-splitting multiple access (RSMA) has recently emerged as a promising transmission paradigm for enhancing spectral efficiency through interference management in satellite-terrestrial integrated networks. However, the broadcast nature of satellite downlinks makes them inherently vulnerable to eavesdropping, especial...

Meng-Yan Huang, Zi-Wen Wei, Xing-Wang Li et al. · 0 citations
2026

Flexible Intelligent Metasurfaces for Enhancing Secure MISO Communications

This letter investigates flexible intelligent metasurface (FIM)-aided secure multiple-input single-output (MISO) communications in the presence of a multi-antenna eavesdropper. By exploiting the morphing capability of the FIM, the transmit array geometry can be dynamically reconfigured to reshape the legitimate and eav...

Zi-Hao Teng, Zi-Hao Zhao, Jian-Cheng An et al. · 0 citations
Sep 2026

Accelerating Wireless Hierarchical Split Federated Learning via Smashed Data Generation

As the size of machine learning models scales up, conventional federated learning (FL) encounters challenges on wireless edge clients due to scarce resources. Split federated learning (SFL) mitigates these constraints by offloading part of the model to the edge server. However, most prior work adopts two-tier synchrono...

Chun-Feng Xie, Zhi-Xiong Chen, Wen-Qiang Yi et al. · 0 citations
Preprint Sep 2026

Discrete Coupling and Localized Motion for Pinching-Antenna Systems (PASS)

The practical implementation of pinching-antenna systems (PASS) is challenging due to hardware limitations in large-scale antenna movement and continuous radiation power adjustment. This paper proposes a practical PASS-enabled downlink multi-user multiple-input multiple-output communication framework that enables discr...

Jie Jiang, Xiao-Xia Xu, Chan-Tong Lam et al. · 0 citations
Conference Aug 2026

Joint Coupling Spacing and Beamforming Optimization for Pinching-Antenna Systems

Practical implementation of pinching-antenna systems (PASS) is challenging due to hardware limitations in large-scale antenna movement and continuous radiation power adjustment. This paper proposes a practical PASS-enabled downlink multiuser multiple-input multiple-output communication framework with discrete radiation...

Jie Jiang, Xiao-Xia Xu, Yuan-Wei Liu et al. · 0 citations
Review Open access 2026

Latency-Optimized IoT Communications Through Information-Centric Caching: A Survey

The integration of Information-Centric Networking with the Internet of Things (IoT) is surveyed, including the role of Named Data Networking (NDN) caching schemes in mitigating latency in IoT use cases, and current caching approaches for NDN-based IoT are reviewed.

M. Naeem, Ikram Ud Din, Ahmad S. Almogren et al. · 0 citations
2026

Covert Air–Ground Federated Learning With Pruning: Enabling by STAR-RIS

Federated learning (FL) can safeguard the data privacy for air-ground networks, while simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) can help further enhance its channel quality. However, the model exchanges in FL may be detected by wardens, and air-ground links increase this t...

Ru-Song Zhou, Chao Wang, Le-Xi Xu et al. · 0 citations
2026

Movable Antenna-Enabled Covert Communications in ISAC Networks

Movable antennas (MAs) can reshape the propagation environment by continuously adjusting their spatial positions compared with fixed-position antennas (FPAs). Leveraging this advantage, we develop an alternating optimization framework for covert integrated sensing and communication (ISAC) systems. This framework jointl...

Dan Deng, Xing-Wang Li, Shu-Ping Dang et al. · 0 citations
Oct 2026

QoE-Aware Network Slicing and Resource Allocation for Stable Mobile Online Learning

Mobile online learning is challenged by the inherent conflict between dynamically evolving pedagogical demands and rigid resource provisioning infrastructures. Conventional quality of service (QoS)-driven resource allocation paradigms suffer from two critical limitations: 1) limited responsiveness to temporal-spatial f...

Ming-Zi Chen, Pei-Shun Yan, Hong-Jun Li et al. · 1 citation · ⚡1
Open access 2026

Multiple Access Design and Resource Allocation in Pinching-Antenna Systems

Multiple access (MA) design is investigated to facilitate pinching-antenna systems (PASS)-based multi-user communications. By exploiting the newly introduced waveguide domain and existing frequency domain, two MA schemes are explored, namely pure waveguide division multiple access (WDMA) and hybrid WDMA. For each MA sc...

Qiao Ren, Xi-Dong Mu, Siyu Lin et al. · 0 citations
Conference Aug 2026

Beamforming-Aided Wireless Multimodal Federated Learning: Dynamic Pruning and Joint Optimization

Wireless multimodal federated learning (MFL) is promising for privacy-preserving edge intelligence, but its practical deployment is challenged by modality heterogeneity, client resource heterogeneity, and the high communication and computation cost of multimodal models. This paper proposes a beamforming-aided wireless...

Chun-Feng Xie, Zhi-Xiong Chen, Wenqiang Yi et al. · 0 citations
Review Open access Sep 2026

Task-Oriented Framework for Communication-Efficient Federated Learning: From Isolated Optimization to Holistic Synergy

This article presents an autonomous driving case study with two complementary experiments: a task-oriented client scheduling strategy that improves object detection accuracy under the same communication time budget, and a joint quantization-bandwidth optimization that further reduces total training time under dynamic n...

Fu-Qiang Pan, Yan Liu, Er-Wu Liu et al. · 0 citations

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