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IEEE Transactions on Wireless Communications Publication Information
Publication Year: 2024,Page(s):C2 - C2
IEEE Transactions on Wireless Communications Publication Information
Year: 2024 | Volume: 23 | Issue: 10
Power-Domain Interference Graph Estimation for Full-Duplex Millimeter-Wave Backhauling
Publication Year: 2024,Page(s):13617 - 13632
Traditional wisdom for network resource management allocates separate frequency-time resources for measurement and data transmission tasks. As a result, the two types of tasks have to compete for resources, and a heavy measurement task inevitably reduces available resources for data transmission. This prevents interference graph estimation (IGE), a heavy yet important measurement task, from being ...Show More
UAV-Assisted Mobile Edge Computing: Optimal Design of UAV Altitude and Task Offloading
Min Hui;Jian Chen;Long Yang;Lu Lv;Hai Jiang;Naofal Al-Dhahir
Publication Year: 2024,Page(s):13633 - 13647
This paper investigates a mobile edge computing (MEC) network assisted by an unmanned aerial vehicle (UAV), where the moving UAV and a fixed ground base station cooperatively provide MEC services for multiple ground users. To evaluate the quality of service under this architecture, we first derive the successful edge computing probability (SECP) to evaluate the service reliability. Given a target ...Show More
Group-Joint MMSE Complementary-Based Distributed Uplink for Cell-Free Massive MIMO
Publication Year: 2024,Page(s):13648 - 13663
Cited by: Papers (1)
This paper investigates the distributed uplink for the hierarchically backhaul-linked cell-free network with distributed processors to maximize the advantages of jointly serving under the same time and frequency resources. It is validated in previous works that the performance of fully centralized uplink in a cell-free network overwhelms uplink methods without or with limited coordination. On the ...Show More
Two-Timescale Design for Reconfigurable Intelligent Surface-Aided URLLC
Qihao Peng;Hong Ren;Cunhua Pan;Maged Elkashlan;Ana García Armada;Petar Popovski
Publication Year: 2024,Page(s):13664 - 13677
Cited by: Papers (1)
In this paper, to tackle the blockage issue in massive multiple-input-multiple-output (mMIMO) systems, a reconfigurable intelligent surface (RIS) is seamlessly deployed to support devices with ultra-reliable and low-latency communications (URLLC). The transmission power of the base station and the phase shifts of the RIS are jointly devised to maximize the weighted sum rate while considering the s...Show More
Countering Eavesdroppers With Meta- Learning-Based Cooperative Ambient Backscatter Communications
Nam H. Chu;Nguyen Van Huynh;Diep N. Nguyen;Dinh Thai Hoang;Shimin Gong;Tao Shu;Eryk Dutkiewicz;Khoa T. Phan
Publication Year: 2024,Page(s):13678 - 13693
This article introduces a novel lightweight framework using ambient backscattering communications to counter eavesdroppers. In particular, our framework divides an original message into two parts. The first part, i.e., the active-transmit message, is transmitted by the transmitter using conventional RF signals. Simultaneously, the second part, i.e., the backscatter message, is transmitted by an am...Show More
Scalable Hybrid Beamforming for Multi-User MISO Systems: A Graph Neural Network Approach
Publication Year: 2024,Page(s):13694 - 13706
Hybrid beamforming is a promising technology for enhancing the energy- and spectral-efficiency of wireless networks with large-scale antenna arrays, yet the current designs fall short of concurrently achieving low computational complexity and high communication scalability. In this paper, we propose a scalable and effective hybrid beamforming framework for multi-user systems, where the bipartite g...Show More
Data-Driven Online Resource Allocation for User Experience Improvement in Mobile Edge Clouds
Publication Year: 2024,Page(s):13707 - 13721
Cited by: Papers (2)
As the cloud is pushed to the edge of the network, resource allocation for user experience improvement in mobile edge clouds (MEC) is increasingly important and faces multiple challenges. This paper studies quality of experience (QoE)-oriented resource allocation in MEC while considering user diversity, limited resources, and the complex relationship between allocated resources and user experience...Show More
Theoretical Analysis of the Radio Map Estimation Problem
Daniel Romero;Tien Ngoc Ha;Raju Shrestha;Massimo Franceschetti
Publication Year: 2024,Page(s):13722 - 13737
Cited by: Papers (3)
Radio maps provide radio frequency metrics, such as the received signal strength, at every location of a geographic area. These maps, which are estimated using a set of measurements collected at multiple positions, find a wide range of applications in wireless communications, including the prediction of coverage holes, network planning, resource allocation, and path planning for mobile robots. Alt...Show More
Weighted Sum-Rate Maximization of Rate-Splitting Multiple Access With Confidential Messages
Huiyun Xia;Yijie Mao;Xiaokang Zhou;Bruno Clerckx;Shuai Han;Cheng Li
Publication Year: 2024,Page(s):13738 - 13751
Rate-Splitting Multiple Access (RSMA) is an emerging and powerful multiple access scheme that relies on splitting and encoding user messages encoded into common and private streams, so as to partially decode multi-user interference and partially treat it as noise. In this paper, the secrecy rate constraint of each user is taken into consideration and a RSMA-based secure beamforming approach is pro...Show More
Design and Cross-Layer Optimization of Low Cost RIS-Assisted Communication Systems
Antoine Dejonghe;Zwi Altman;Francesco de Pellegrini;Eitan Altman
Publication Year: 2024,Page(s):13752 - 13765
The deployment of RISs in future 6G networks is expected to substantially improve mobile network coverage. This paper introduces a new cross-layer low-complexity scheme for the online optimization of RIS-assisted communication systems. It jointly combines BS and RIS configuration and fair UEs’ scheduling which is critical for high-performance deployments. A RIS beam synthesis method is especially ...Show More
Multi-User Modular XL-MIMO Communications: Near-Field Beam Focusing Pattern and User Grouping
Publication Year: 2024,Page(s):13766 - 13781
Cited by: Papers (6)
In this paper, we investigate multi-user modular extremely large-scale multiple-input multiple-output (XL-MIMO) communication systems, where modular extremely large-scale uniform linear array (XL-ULA) is deployed at the base station (BS) to serve multiple single-antenna users. By exploiting the unique modular array architecture and considering the potential near-field propagation, we develop sub-a...Show More
Joint Batching and Scheduling for High-Throughput Multiuser Edge AI With Asynchronous Task Arrivals
Publication Year: 2024,Page(s):13782 - 13795
Edge artificial intelligence (AI) in the sixth-generation networks will provide inference services at the network edge to enrich the capabilities of mobile devices and lengthen their battery lives. As a well-known technique in computing, batching can boost the computation throughput at an edge server by assembling multiple tasks into a batch that is fed into a pre-trained prediction model. This re...Show More
Transparent RIS: Wireless Coverage Enhancement via Region-Oriented Passive Beamforming
Jue Wang;Yingdong Hu;Yicheng Xu;Ye Li;Ruifeng Gao;Jun Zhang;Yu Han;Shi Jin
Publication Year: 2024,Page(s):13796 - 13811
We investigate a new deployment form of reflective intelligent surface (RIS), which aims at enhancing the quality of service of a main communication system in a target region, while without the need of changing its transmission protocol and scheme (i.e., the RIS is “transparent” to the main system). To this end, we mathematically formulate a coverage enhancement problem, where a RIS is used transp...Show More
On the Uplink Distributed Detection in UAV-Enabled Aerial Cell-Free mMIMO Systems
Publication Year: 2024,Page(s):13812 - 13825
In this paper, we investigate the uplink signal detection in cell-free massive MIMO systems with unmanned aerial vehicles (UAVs) serving as aerial access points (APs). The ground users are equipped with multiple antennas and the ground-to-air propagation channels are subject to correlated Rician fading. To overcome huge signaling overhead in the fully-centralized detection in cell-free systems, we...Show More
Holographic MIMO Communications: What is the Benefit of Closely Spaced Antennas?
Publication Year: 2024,Page(s):13826 - 13840
Cited by: Papers (11)
Holographic MIMO refers to a (possibly large) array with a large number of individually controlled and densely deployed antennas. The objective of this paper is to provide further insight into the use of closely spaced antennas in the uplink and downlink of a multi-user Holographic MIMO system. To this end, we utilize multiport communication theory, which ensures physically consistent uplink and d...Show More
Multi-Antenna Covert Communication Assisted by UAV-RIS With Imperfect CSI
Publication Year: 2024,Page(s):13841 - 13855
Cited by: Papers (1)
In this paper, unmanned aerial vehicle (UAV) and reconfigurable intelligent surfaces (RIS) are combined together to further enhance the covert communication system. In particular, a multi-antenna transmitter Alice transmits information to Bob, through UAV-RIS in the presence of an adversarial warden, whose channel state information (CSI) is not perfectly known at Alice. To simultaneously guarantee...Show More
Federated Learning With Massive Random Access
Shuhao Xia;Yuanming Shi;Yong Zhou;Youlong Wu;Lin F. Yang;Khaled B. Letaief
Publication Year: 2024,Page(s):13856 - 13871
Cited by: Papers (1)
In this paper, we propose an online federated learning framework with massive random access, aiming to learn a sequence of global models using local data that are sequentially collected by massive edge devices. As only a subset of devices is capable of collecting data and performing local model update at any specific moment, the communication pattern between the edge server and devices is random a...Show More
Federated Learning With Massive Random Access
Shuhao Xia;Yuanming Shi;Yong Zhou;Youlong Wu;Lin F. Yang;Khaled B. Letaief
Year: 2024 | Volume: 23 | Issue: 10
Fourier Transform-Based Wavenumber Domain 3D Imaging in RIS-Aided Communication Systems
Publication Year: 2024,Page(s):13872 - 13888
Radio imaging is rapidly gaining prominence in the design of future communication systems, with the potential to utilize reconfigurable intelligent surfaces (RISs) as imaging apertures. Although the sparsity of targets in three-dimensional (3D) space has led most research to adopt compressed sensing (CS)-based imaging algorithms, these often require substantial computational and memory burdens. Dr...Show More
RIS-Enabled Multi-Target Sensing: Performance Analysis and Space-Time Beamforming Design
Publication Year: 2024,Page(s):13889 - 13903
Cited by: Papers (3)
Recently, reconfigurable intelligent surface (RIS) has gained growing research interests in sensing fields. While extensive efforts have been devoted to designing RIS space beamforming for improving sensing accuracy, the potential of RIS in improving sensing resolution has so far not been fully dug. In this paper, we investigate the fundamental performance of RIS-enabled multi-target sensing, and ...Show More
CPU-Cooperative Power Control Scheme for Scalable Cell-Free Massive MIMO Systems
Soohyeong Kim;Seyoung Ahn;Joohan Park;Jiseung Youn;Yongseok Kwon;Sunghyun Cho
Publication Year: 2024,Page(s):13904 - 13919
Cited by: Papers (2)
Cell-free massive multiple-input multiple-output (CF-mMIMO) can provide uniformly great service to user equipment (UE) by utilizing a large number of distributed access points (APs) connected to a single central processing unit (CPU). For addressing scalability and feasibility issues inherent in single-CPU CF-mMIMO systems, multiple-CPU CF-mMIMO (MC-CF-mMIMO) has been considered. However, the MC-C...Show More
Protecting System Information From False Base Station Attacks: A Blockchain-Based Approach
Publication Year: 2024,Page(s):13920 - 13934
Cited by: Papers (2)
Ensuring secure access to cellular networks is of paramount importance, in which system information (SI) protection plays a crucial role at the initial access stage. While the 3rd generation partnership project (3GPP) released many standardizations to enhance SI protection for preventing users from false base station (FBS) attacks, most of them are centralized solutions which are vulnerable to pot...Show More
AdaBoost-Based Efficient Channel Estimation and Data Detection in One-Bit Massive MIMO
Publication Year: 2024,Page(s):13935 - 13945
Cited by: Papers (1)
The use of one-bit analog-to-digital converter (ADC) has been considered as a viable alternative to high resolution counterparts in realizing and commercializing massive multiple-input multiple-output (MIMO) systems. However, the issue of discarding the amplitude information by one-bit quantizers has to be compensated. Thus, carefully tailored methods need to be developed for one-bit channel estim...Show More
Deep Learning-Based Joint Channel Prediction and Multibeam Precoding for LEO Satellite Internet of Things
Publication Year: 2024,Page(s):13946 - 13960
Cited by: Papers (2)
Low earth orbit (LEO) satellite internet of things (IoT) is a promising way achieving global Internet of Everything, and thus has been widely recognized as an important component of sixth-generation (6G) wireless networks. Yet, due to high-speed movement of the LEO satellite, it is challenging to acquire timely channel state information (CSI) and design effective multibeam precoding for various Io...Show More
Contact Information
Editor-in-Chief
Vincent Wong
Professor, Electrical and Computer Engineering
The University of British Columbia
Vancouver
Canada
vincentw@ece.ubc.caContact Information
Editor-in-Chief
Vincent Wong
Professor, Electrical and Computer Engineering
The University of British Columbia
Vancouver
Canada
vincentw@ece.ubc.caIEEE Account
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