60 citations · 201 across the 42 of their papers we have counts for
22 papers · 1 filter
Analysis of SINR Coverage in LEO Satellite Networks through Spatial Network Calculus
Yuting Tang, Yufan He, Yi Zhong +3
We introduce a new analytical framework, developed based on the spatial network calculus, for performance assessment of Low Earth Orbit (LEO) satellite networks. Specifically, we m…
Towards Secure Semantic Transmission In the Era of GenAI: A Diffusion-based Framework
Boxiang He, Zihan Chen, Junshan Luo +4
Semantic communication, due to its focus on the transmitting meaning rather than the raw bit data, poses unique security challenges compared to the traditional communication system…
Diffusion-enabled Secure Semantic Communication Against Eavesdropping
Boxiang He, Zihan Chen, Fanggang Wang +3
In this paper, AN is introduced into semantic communication systems for the first time to prevent semantic eavesdropping. However, the introduction of AN also poses challenges for…
Task-oriented Age of Information for Remote Inference with Hybrid Language Models
Shuying Gan, Xijun Wang, Chenyuan Feng +4
Large Language Models (LLMs) have revolutionized the field of artificial intelligence (AI) through their advanced reasoning capabilities, but their extensive parameter sets introdu…
Analysis of Age of Information for A Discrete-Time hybrid Dual-Queue System
Zhengchuan Chen, Yi Qu, Nikolaos Pappas +3
Using multiple sensors to update the status process of interest is promising in improving the information freshness. The unordered arrival of status updates at the monitor end pose…
Trustworthy Image Semantic Communication with GenAI: Explainablity, Controllability, and Efficiency
Xijun Wang, Dongshan Ye, Chenyuan Feng +3
Image semantic communication (ISC) has garnered significant attention for its potential to achieve high efficiency in visual content transmission. However, existing ISC systems bas…
Toward 6G Native-AI Network: Foundation Model based Cloud-Edge-End Collaboration Framework
Xiang Chen, Zhiheng Guo, Xijun Wang +5
Future wireless communication networks are in a position to move beyond data-centric, device-oriented connectivity and offer intelligent, immersive experiences based on multi-agent…
Analysis of the Age of Information in Age-Threshold Slotted ALOHA
Howard H. Yang, Nikolaos Pappas, Tony Q. S. Quek +1
We investigate the performance of a random access network consisting of source-destination dipoles. The source nodes transmit information packets to their destinations over a share…
Analysis of Age of Information in Dual Updating Systems
Zhengchuan Chen, Dapeng Deng, Howard H. Yang +5
We study the average Age of Information (AoI) and peak AoI (PAoI) of a dual-queue status update system that monitors a common stochastic process. Although the double queue parallel…
Server Free Wireless Federated Learning: Architecture, Algorithm, and Analysis
Howard H. Yang, Zihan Chen, Tony Q. S. Quek
We demonstrate that merely analog transmissions and match filtering can realize the function of an edge server in federated learning (FL). Therefore, a network with massively distr…
Optimal Distribution Design for Irregular Repetition Slotted ALOHA with Multi-Packet Reception
Zhengchuan Chen, Yifan Feng, Chundie Feng +3
Associated with multi-packet reception at the access point, irregular repetition slotted ALOHA (IRSA) holds a great potential in improving the access capacity of massive machine ty…
Revisiting Analog Over-the-Air Machine Learning: The Blessing and Curse of Interference
Howard H. Yang, Zihan Chen, Tony Q. S. Quek +1
We study a distributed machine learning problem carried out by an edge server and multiple agents in a wireless network. The objective is to minimize a global function that is a su…
Age of Information in Random Access Networks: A Spatiotemporal Study
Howard H. Yang, Ahmed Arafa, Tony Q. S. Quek +1
We investigate the age-of-information (AoI) in the context of random access networks, in which transmitters need to send a sequence of information packets to intended receivers ove…
Performance Analysis for Multi-Antenna Small Cell Networks with Clustered Dynamic TDD
Hongguang Sun, Howard H. Yang, Xijun Wang +2
Small cell networks with dynamic time-division duplex (D-TDD) have emerged as a potential solution to address the asymmetric traffic demands in 5G wireless networks. By allowing th…
AoI and Energy Consumption Oriented Dynamic Status Updating in Caching Enabled IoT Networks
Chao Xu, Xijun Wang, Howard H. Yang +2
Caching has been regarded as a promising technique to alleviate energy consumption of sensors in Internet of Things (IoT) networks by responding to users' requests with the data pa…
Age-Based Scheduling Policy for Federated Learning in Mobile Edge Networks
Howard H. Yang, Ahmed Arafa, Tony Q. S. Quek +1
Federated learning (FL) is a machine learning model that preserves data privacy in the training process. Specifically, FL brings the model directly to the user equipments (UEs) for…
Scheduling Policies for Federated Learning in Wireless Networks
Howard H. Yang, Zuozhu Liu, Tony Q. S. Quek +1
Motivated by the increasing computational capacity of wireless user equipments (UEs), e.g., smart phones, tablets, or vehicles, as well as the increasing concerns about sharing pri…
Locally Adaptive Scheduling Policy for Optimizing Information Freshness in Wireless Networks
Howard H. Yang, Ahmed Arafa, Tony Q. S. Quek +1
Optimization of information freshness in wireless networks has usually been performed based on queueing analysis that captures only the temporal traffic dynamics associated with th…
On Peak Age of Information in Data Preprocessing enabled IoT Networks
Chao Xu, Howard H. Yang, Xijun Wang +1
Internet of Things (IoT) has been emerging as one of the use cases permeating our daily lives in 5th Generation wireless networks, where status update packages are usually required…
SIR Coverage Analysis in Cellular Networks with Temporal Traffic: A Stochastic Geometry Approach
Howard H. Yang, Tony Q. S. Quek
The bloom in mobile applications not just bring in enjoyment to daily life, but also imposes more complicated traffic situation on wireless network. A complete understanding of the…
Packet Throughput Analysis of Static and Dynamic TDD in Small Cell Networks
Howard H. Yang, Giovanni Geraci, Yi Zhong +1
We develop an analytical framework for the perfor- mance comparison of small cell networks operating under static time division duplexing (S-TDD) and dynamic TDD (D-TDD). While in…
Cell-Edge-Aware Precoding for Downlink Massive MIMO Cellular Networks
Howard H. Yang, Giovanni Geraci, Tony Q. S. Quek +1
We propose a cell-edge-aware (CEA) zero forcing (ZF) precoder that exploits the excess spatial degrees of freedom provided by a large number of base station (BS) antennas to suppre…