17 citations · 79 across the 17 of their papers we have counts for
17 papers
Achievable Rate Region and Path-Based Beamforming for Multi-User Single-Carrier Delay Alignment Modulation
Xingwei Wang, Haiquan Lu, Yong Zeng +2
Delay alignment modulation (DAM) is a novel wideband transmission technique for mmWave massive MIMO systems, which exploits the high spatial resolution and multi-path sparsity to m…
Single Threshold Packet Scheduling Policy for AoI Minimization in Resource-Constrained Network
Yonghao Ji, Xiaoli Xu
This paper investigates the tradeoff between the average age of information (AoI) and the transmission cost for networks with stochastic packet arrival and random erasure channel.…
Impact of Channel Memory on the Data Freshness
Qixing Guan, Xiaoli Xu
In this letter, we investigate the impact of channel memory on the average age of information (AoI) for networks with various packet arrival models under first-come-first-served (F…
Towards Environment-Aware 6G Communications via Channel Knowledge Map
Yong Zeng, Xiaoli Xu
This article proposes the concept of channel knowledge map (CKM) as an enabler towards environment-aware wireless communications. CKM is a site-specific database, tagged with the l…
Time-Weighted Coverage of Integrated Aerial and Ground Networks for Post-Disaster Communications
Xiaoli Xu, Yong Zeng
In this paper, we propose a new three dimensional (3D) networking architecture with integrated aerial and ground base stations (BSs) for swift post-disaster communication recovery.…
Simultaneous Navigation and Radio Mapping for Cellular-Connected UAV with Deep Reinforcement Learning
Yong Zeng, Xiaoli Xu, Shi Jin +1
Cellular-connected unmanned aerial vehicle (UAV) is a promising technology to unlock the full potential of UAVs in the future. However, how to achieve ubiquitous three-dimensional…
Minimum-Latency FEC Design with Delayed Feedback: Mathematical Modeling and Efficient Algorithms
Xiaoli Xu, Yong Zeng, Yonghui Li +1
In this paper, we consider the packet-level forward error correction (FEC) code design, without feedback or with delayed feedback, for achieving the minimum end-to-end latency, i.e…
Path Design for Cellular-Connected UAV with Reinforcement Learning
Yong Zeng, Xiaoli Xu
This paper studies the path design problem for cellular-connected unmanned aerial vehicle (UAV), which aims to minimize its mission completion time while maintaining good connectiv…
Overcoming Endurance Issue: UAV-Enabled Communications with Proactive Caching
Xiaoli Xu, Yong Zeng, Yong Liang Guan +1
Wireless communication enabled by unmanned aerial vehicles (UAVs) has emerged as an appealing technology for many application scenarios in future wireless systems. However, the lim…
V2X Content Distribution Based on Batched Network Coding with Distributed Scheduling
Yumeng Gao, Xiaoli Xu, Yong Liang Guan +1
Content distribution is an application in intelligent transportation system to assist vehicles in acquiring information such as digital maps and entertainment materials. In this pa…
Trajectory Optimization for Completion Time Minimization in UAV-Enabled Multicasting
Yong Zeng, Xiaoli Xu, Rui Zhang
This paper studies an unmanned aerial vehicle (UAV)-enabled multicasting system, where a UAV is dispatched to disseminate a common file to a number of geographically distributed gr…
Reliable Broadcast to A User Group with Limited Source Transmissions
Xiaoli Xu, Meenakshi Sundaram Gandhi Praveen Kumar, Yong Liang Guan
In order to reduce the number of retransmissions and save power for the source node, we propose a two-phase coded scheme to achieve reliable broadcast from the source to a group of…
Two-Phase Cooperative Broadcasting Based on Batched Network Code
Xiaoli Xu, Praveen Kumar M. Gandhi, Yong Liang Guan +1
In this paper, we consider the wireless broadcasting scenario with a source node sending some common information to a group of closely located users, where each link is subject to…
Degrees of Freedom of the 3-User Rank-Deficient MIMO Interference Channel
Yong Zeng, Xiaoli Xu, Yong Liang Guan +2
We provide the degrees of freedom (DoF) characterization for the -user multiple-input multiple-output (MIMO) interference channel (IC) with \emph{rank-deficient}…
On the Capacity Region of Two-User Linear Deterministic Interference Channel and Its Application to Multi-Session Network Coding
Xiaoli Xu, Yong Zeng, Yong Liang Guan +1
In this paper, we study the capacity of the two-user multiple-input multiple-output (MIMO) linear deterministic interference channel (IC), with possible correlations within/between…
Detailed Steps of the Fourier-Motzkin Elimination
Xiaoli Xu, Yong Zeng, Yong Liang Guan +1
This file provide the detailed steps for obtaining the bounds on , via the obtained results on . It is subplementary material for the pape…
Reduced Functional Dependence Graph and Its Applications
Xiaoli Xu, Satyajit Thakor, Yong Liang Guan
Functional dependence graph (FDG) is an important class of directed graph that captures the dominance relationship among a set of variables. FDG is frequently used in calculating n…