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In Extended Reality (XR) applications, high data rates and low latency are crucial for immersive experiences. Uplink transmission in XR is challenging due to the limited antennas and power of lightweight XR devices. To improve data…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Chi-Wei Chen , Wen-Chiao Tsai , Lung-Sheng Tsai , An-Yeu , Wu

High hardware cost and high power consumption of massive multiple-input and multiple output (MIMO) are two challenges for the future wireless communications including beyond fifth generation (B5G) and sixth generation (6G). Adopting the…

Information Theory · Computer Science 2022-01-19 Baihua Shi , Lingling Zhu , Wenlong Cai , Nuo Chen , Tong Shen , Pengcheng Zhu , Feng Shu , Jiangzhou Wang

To facilitate the integration of distributed energy resources (DERs) into the wholesale market while maintaining the tractability of associated market operation tools such as unit commitment (UC), existing DER aggregation (DERA) studies…

Systems and Control · Electrical Eng. & Systems 2025-01-07 Weilun Wang , Zhentong Shao , Yikui Liu , Brent Eldridge , Abhishek Somani , Jesse T. Holzer , Lei Wu

This work presents a first comprehensive analysis of the impact of vector coded caching (VCC) in multi-user multiple-input multiple-output (MU-MIMO) systems with multiple receive antennas and variable pathloss -- two key factors that…

Information Theory · Computer Science 2026-01-21 Hui Zhao , Petros Elia

Coded caching (CC) can transform cache memory at network devices into an active communication resource. Prior studies have shown that CC can significantly enhance the achievable Degrees of Freedom (DoF) in multi-input multi-output (MIMO)…

Information Theory · Computer Science 2026-03-09 Mohammad NaseriTehrani , MohammadJavad Salehi , Antti Tölli

This paper investigates the sum-rate gains brought by power allocation strategies in multicell massive multipleinput multiple-output systems, assuming time-division duplex transmission. For both uplink and downlink, we derive tractable…

Information Theory · Computer Science 2015-06-11 Qi Zhang , Shi Jin , Matthew McKay , David Morales-Jimenez , Hongbo Zhu

This paper provides a comprehensive downlink analysis of non-orthogonal multiple access (NOMA) enabled cellular networks using tools from stochastic geometry. As a part of this analysis, we develop a novel 3GPP-inspired user ranking…

Information Theory · Computer Science 2020-03-03 Praful D. Mankar , Harpreet S. Dhillon

Clustering of mobile ad hoc networks is a largely growing field. The perceived benefits of clustering are comprehensively analyzed in open literature. This paper considers the development of a new connected-dominated-set clustering…

Networking and Internet Architecture · Computer Science 2013-09-18 Ayman M. Bahaa-Eldin , Dina S. M. Hassan , Hossam M. A. Fahmy

Caching popular content at the wireless edge is recently proposed as a means to reduce congestion at the backbone of cellular networks. The two main actors involved are Mobile Network Operators (MNOs) and Content Providers (CPs). In this…

Networking and Internet Architecture · Computer Science 2020-12-11 Jonatan Krolikowski , Anastasios Giovanidis , Marco Di Renzo

In this work, we design a generalized joint transmission coordinated multi-point (JT-CoMP)-non-orthogonal multiple access (NOMA) model for a virtualized multi-infrastructure network. In this model, all users benefit from multiple joint…

Information Theory · Computer Science 2021-03-24 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan , Eduard A. Jorswieck

Cellular Vehicle-to-Everything (C-V2X) is a frontier in the evolution of distributed communication introduced in 3GPP release 14 to advanced use cases. While research efforts continue to optimize the accessible bandwidth for transportation…

Networking and Internet Architecture · Computer Science 2023-03-14 Mahdi Zaman , Md Saifuddin , Mahdi Razzaghpour , Yaser Fallah , Jayanthi Rao

Federated Learning (FL) in mobile environments faces significant communication bottlenecks. Gradient compression has proven as an effective solution to this issue, offering substantial benefits in environments with limited bandwidth and…

Machine Learning · Computer Science 2024-11-26 Rongwei Lu , Yutong Jiang , Yinan Mao , Chen Tang , Bin Chen , Laizhong Cui , Zhi Wang

This study explores the benefits of integrating the novel clustered federated learning (CFL) approach with non-orthogonal multiple access (NOMA) under non-independent and identically distributed (non-IID) datasets, where multiple devices…

Networking and Internet Architecture · Computer Science 2024-03-06 Yushen Lin , Kaidi Wang , Zhiguo Ding

Coded caching (CC) techniques have been shown to be conveniently applicable in multi-input multi-output (MIMO) systems. In a $K$-user network with spatial multiplexing gains of $L$ at the transmitter and $G$ at every receiver, if each user…

Information Theory · Computer Science 2022-11-03 MohammadJavad Salehi , Mohammad NaseriTehrani , Antti Tölli

Congestion control algorithms (CCAs) operate in partially observable environments, lacking direct visibility into link capacities, or competing flows. To ensure fair sharing of network resources, CCAs communicate their fair share through…

Networking and Internet Architecture · Computer Science 2025-06-09 Anup Agarwal , Venkat Arun , Srinivasan Seshan

A novel framework is proposed for cellular offloading with the aid of multiple unmanned aerial vehicles (UAVs), while non-orthogonal multiple access (NOMA) technique is employed at each UAV to further improve the spectrum efficiency of the…

Networking and Internet Architecture · Computer Science 2020-12-01 Ruikang Zhong , Xiao Liu , Yuanwei Liu , Yue Chen

Mobile-edge computing (MEC) is an emerging technology for enhancing the computational capabilities of mobile devices and reducing their energy consumption via offloading complex computation tasks to the nearby servers. Multiuser MEC at…

Information Theory · Computer Science 2018-11-20 Zezu Liang , Yuan Liu , Tat-Ming Lok , Kaibin Huang

Content-centric networking (CCN) introduces a paradigm shift from a host centric to an information centric communication model for future Internet architectures. It supports the retrieval of a particular content regardless of the physical…

Networking and Internet Architecture · Computer Science 2018-03-02 Hasan M A Islam , Dimitris Chatzopoulos , Dmitrij Lagutin , Pan Hui , Antti Ylä-Jääski

We design and evaluate algorithms for efficient user-mobility driven macro-cell planning in cellular networks. As cellular networks embrace heterogeneous technologies (including long range 3G/4G and short range WiFi, Femto-cells, etc.),…

Networking and Internet Architecture · Computer Science 2015-01-15 Shubhadip Mitra , Sayan Ranu , Vinay Kolar , Aditya Telang , Arnab Bhattacharya , Ravi Kokku , Sriram Raghavan

Cooperative video caching and transcoding in mobile edge computing (MEC) networks is a new paradigm for future wireless networks, e.g., 5G and 5G beyond, to reduce scarce and expensive backhaul resource usage by prefetching video files…

Information Theory · Computer Science 2019-07-16 Sepehr Rezvani , Saeedeh Parsaeefard , Nader Mokari , Mohammad R. Javan , Halim Yanikomeroglu