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Next-generation Multiple-Input Multiple-Output (MIMO) is expected to be intelligent and scalable. In this paper, we study Large Language Model (LLM)-enabled next-generation MIMO networks. Firstly, we provide an overview of the development,…

Networking and Internet Architecture · Computer Science 2025-11-11 Zhe Wang , Jiayi Zhang , Hongyang Du , Ruichen Zhang , Dusit Niyato , Bo Ai , Khaled B. Letaief

The increasing deployment of large language models (LLMs) in natural language processing (NLP) tasks raises concerns about energy efficiency and sustainability. While prior research has largely focused on energy consumption during model…

Computation and Language · Computer Science 2026-04-22 Johannes Zschache , Tilman Hartwig

In this paper, we consider power allocation and antenna activation of cell-free massive multiple-input multiple-output (CFmMIMO) systems. We first derive closed-form expressions for the system spectral efficiency (SE) and energy efficiency…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Phuong Nam Tran , Nhan Thanh Nguyen , Hien Quoc Ngo , Markku Juntti

In distributed multiple-input multiple-output (D-MIMO) networks, power control is crucial to optimize the spectral efficiencies of users and max-min fairness (MMF) power control is a commonly used strategy as it satisfies uniform…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Ömer Faruk Tuna , Fehmi Emre Kadan , Leyli Karaçay

The fifth generation of the Radio Access Network (RAN) has brought new services, technologies, and paradigms with the corresponding societal benefits. However, the energy consumption of 5G networks is today a concern. In recent years, the…

Networking and Internet Architecture · Computer Science 2022-12-09 Nicola Piovesan , David Lopez-Perez , Antonio De Domenico , Xinli Geng , Harvey Bao

Ever since the invention of Bell Laboratories Layer Space-Time (BLAST) in mid 1990s, the focus of MIMO research and development has been largely on pushing the limit of spectral efficiency. While massive MIMO technologies laid the…

Signal Processing · Electrical Eng. & Systems 2023-07-13 Stefan Wesemann , Jinfeng Du , Harish Viswanathan

Reconfigurable Intelligent Surfaces (RIS) represent a transformative technology for sixth-generation (6G) wireless communications, but it suffers from a significant limitation, namely the double-fading attenuation. Active RIS has emerged as…

Information Theory · Computer Science 2025-04-23 Yang Cao , Wenchi Cheng , Jingqing Wang , Wei Zhang

Merging mobile edge computing (MEC) functionality with the dense deployment of base stations (BSs) provides enormous benefits such as a real proximity, low latency access to computing resources. However, the envisioned integration creates…

Information Theory · Computer Science 2017-09-11 Yuxuan Sun , Sheng Zhou , Jie Xu

The use of Dynamic Random Access Memory (DRAM) for storing Machine Learning (ML) models plays a critical role in accelerating ML inference tasks in the next generation of communication systems. However, periodic refreshment of DRAM results…

Networking and Internet Architecture · Computer Science 2025-10-31 Junya Shiraishi , Shashi Raj Pandey , Israel Leyva-Mayorga , Petar Popovski

Artificial intelligence approaches for base-band processing for radio receivers have demonstrated significant performance gains. Most of the proposed methods are characterized by high compute and memory requirements, hindering their…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Mahdi Abdollahpour , Marco Bertuletti , Yichao Zhang , Yawei Li , Luca Benini , Alessandro Vanelli-Coralli

Large-scale deep learning workloads increasingly suffer from I/O bottlenecks as datasets grow beyond local storage capacities and GPU compute outpaces network and disk latencies. While recent systems optimize data-loading time, they…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-18 Hasibul Jamil , MD S Q Zulkar Nine , Tevfik Kosar

AI chips commonly employ SRAM memory as buffers for their reliability and speed, which contribute to high performance. However, SRAM is expensive and demands significant area and energy consumption. Previous studies have explored replacing…

Hardware Architecture · Computer Science 2023-12-07 Duy-Thanh Nguyen , Abhiroop Bhattacharjee , Abhishek Moitra , Priyadarshini Panda

Energy efficiency (EE) is a major performance metric for fifth generation (5G) and beyond 5G (B5G) wireless communication systems, especially for ultra dense networks. This paper proposes an end-to-end (e2e) power consumption model and…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Yu Fu , Mohammad Dehghani Soltani , Hamada Alshaer , Cheng-Xiang Wang , Majid Safari , Stephen McLaughlin , Harald Haas

This paper studies energy efficiency (EE) and average throughput maximization for cognitive radio systems in the presence of unslotted primary users. It is assumed that primary user activity follows an ON-OFF alternating renewal process.…

Information Theory · Computer Science 2017-04-11 Gozde Ozcan , M. Cenk Gursoy , Jian Tang

In modern wireless network architectures, such as O-RAN, artificial intelligence (AI)-based applications are deployed at intelligent controllers to carry out functionalities like scheduling or power control. The AI "apps" are selected on…

Machine Learning · Computer Science 2024-10-22 Qiushuo Hou , Matteo Zecchin , Sangwoo Park , Yunlong Cai , Guanding Yu , Kaushik Chowdhury , Osvaldo Simeone

As the modern electrical grid shifts towards distributed systems, there is an increasing need for rapid decision-making tools. Artificial Intelligence (AI) and Machine Learning (ML) technologies are now pivotal in enhancing the efficiency…

Systems and Control · Electrical Eng. & Systems 2024-08-27 Meiyi Li , Javad Mohammadi

One of the most important challenges in the fifth generation (5G) of telecommunication systems is the efficiency of energy and spectrum. Massive multiple-input multiple-output (MIMO) systems have been proposed by researchers to resolve…

Signal Processing · Electrical Eng. & Systems 2023-11-28 Abdolrasoul Sakhaei Gharagezlou , Nima Imani , Mahdi Nangir

Integrated sensing and communication (ISAC) is a pivotal component of sixth-generation (6G) wireless networks, leveraging high-frequency bands and massive multiple-input multiple-output (M-MIMO) to deliver both high-capacity communication…

Information Theory · Computer Science 2025-08-07 Wenhao Hu , Zhenyao He , Wei Xu , Yongming Huang , Derrick Wing Kwan Ng , Naofal Al-Dhahir

IoT devices are increasingly being implemented with neural network models to enable smart applications. Energy harvesting (EH) technology that harvests energy from ambient environment is a promising alternative to batteries for powering…

Machine Learning · Computer Science 2022-09-28 Sahidul Islam , Shanglin Zhou , Ran Ran , Yufang Jin , Wujie Wen , Caiwen Ding , Mimi Xie

Cell-free (CF) massive multiple-input multiple-output (mMIMO) and reconfigurable intelligent surface (RIS) are two advanced transceiver technologies for realizing future sixth-generation (6G) networks. In this paper, we investigate the…

Information Theory · Computer Science 2024-11-19 Enyu Shi , Jiayi Zhang , Ziheng Liu , Yiyang Zhu , Chau Yuen , Derrick Wing Kwan Ng , Marco Di Renzo , Bo Ai