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With the potential to provide a clean break from massive multiple-input multiple-output, large intelligent surfaces (LISs) have recently received a thrust of research interest. Various proposals have been made in the literature to define…

Information Theory · Computer Science 2020-03-04 Harsh Tataria , Fredrik Tufvesson , Ove Edfors

This paper surveys the optimization frameworks and performance analysis methods for large intelligent surfaces (LIS), which have been emerging as strong candidates to support the sixth-generation wireless physical platforms (6G). Due to…

The Large Intelligent Surface (LIS) concept has emerged recently as a new paradigm for wireless communication, remote sensing and positioning. It consists of a continuous radiating surface placed relatively close to the users, which is able…

Signal Processing · Electrical Eng. & Systems 2020-06-09 Jesus Rodriguez Sanchez , Ove Edfors , Fredrik Rusek , Liang Liu

In order to meet the growing mobile data demand, future wireless networks will be equipped with a multitude of access points (APs). Besides the important implications for the energy consumption, the trend towards densification requires the…

Information Theory · Computer Science 2016-04-20 Giovanni Geraci , Matthias Wildemeersch , Tony Q. S. Quek

In this paper, transmission through large intelligent surfaces (LIS) that intentionally modify the phases of incident waves to improve the signal quality at the receiver, is put forward as a promising candidate for future wireless…

Signal Processing · Electrical Eng. & Systems 2019-04-17 Ertugrul Basar

Recently, as explosive growth of mobile data traffic, the performance of wireless communication systems requires to be enhanced significantly in future. Intelligent reflecting surface (IRS) can be used as a promising way to improve the…

Information Theory · Computer Science 2020-04-22 Yiming Liu , Erwu Liu , Rui Wang

In this paper, we investigate a large intelligent surface-enhanced (LIS-enhanced) system, where a LIS is deployed to assist secure transmission. Our design aims to maximize the achievable secrecy rates in different channel models, i.e.,…

Information Theory · Computer Science 2020-10-28 Biqian Feng , Yongpeng Wu , Mengfan Zheng , Xiang-Gen Xia , Yongjian Wang , Chengshan Xiao

Feasibility of the promising large intelligent surface (LIS) concept, as well as its scalability, relies on the use of low-cost hardware components, raising concerns about the effects of hardware distortion. We analyze LIS systems with…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Ashkan Sheikhi , Juan Vidal Alegría , Ove Edfors

Large language models (LLMs) have shown remarkable performance across diverse reasoning and generation tasks, and are increasingly deployed as agents in dynamic environments such as code generation and recommendation systems. However, many…

Machine Learning · Computer Science 2025-05-27 Hao Kang , Qingru Zhang , Han Cai , Weiyuan Xu , Tushar Krishna , Yilun Du , Tsachy Weissman

The limited spectrum resources and dramatic growth of high data rate communications have motivated opportunistic spectrum access using the promising concept of cognitive radio networks. Although this concept has emerged primarily to enhance…

Networking and Internet Architecture · Computer Science 2013-12-03 Hossein Shokri-Ghadikolaei , Ioannis Glaropoulos , Viktoria Fodor , Carlo Fischione , Konstantinos Dimou

This paper addresses the challenge of large model (LM)-embedded wireless network for handling the trade-off problem of model accuracy and network latency. To guarantee a high-quality of users' service, the network latency should be…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Yichen Jin , Zongze Li , Zeyi Ren , Qingfeng Lin , Yik-Chung Wu

Low latency and high data rate performance are essential in wireless communication systems. This paper explores trade-offs between latency and data rates for optical wireless communication. We introduce a latency-optimized model utilizing…

Quantum Physics · Physics 2024-11-18 Zuhra Amiri , Florian Seitz , Janis Nötzel

Exchange of crucial and confidential information leads to the unprecedented attention on the security problem in wireless networks. Though the security has been studied in a number of works, the joint optimization of the physical layer…

Information Theory · Computer Science 2018-02-02 Yi Zhong , Xiaohu Ge , Tao Han , Qiang Li , Jing Zhang

We consider realistic satellite communications systems for broadband and broadcasting applications, based on frequency-division-multiplexed linear modulations, where spectral efficiency is one of the main figures of merit. For these…

Information Theory · Computer Science 2013-01-18 Amina Piemontese , Andrea Modenini , Giulio Colavolpe , Nader Alagha

With the advent of edge computing, data generated by end devices can be pre-processed before transmission, possibly saving transmission time and energy. On the other hand, data processing itself incurs latency and energy consumption,…

Networking and Internet Architecture · Computer Science 2025-08-27 Pietro Talli , Anup Mishra , Federico Chiariotti , Israel Leyva-Mayorga , Andrea Zanella , Petar Popovski

The rate and energy efficiency of wireless channels can be improved by deploying software-controlled metasurfaces to reflect signals from the source to the destination, especially when the direct path is weak. While previous works mainly…

Information Theory · Computer Science 2024-11-12 Emil Björnson , Özgecan Özdogan , Erik G. Larsson

The Large Intelligent Surface (LIS) is a promising technology in the areas of wireless communication, remote sensing and positioning. It consists of a continuous radiating surface located in the proximity of the users, with the capability…

Signal Processing · Electrical Eng. & Systems 2020-12-11 Jesus Rodriguez Sanchez , Fredrik Rusek , Ove Edfors , Liang Liu

Stacked intelligent metasurface (SIM), which consists of multiple layers of intelligent metasurfaces, is emerging as a promising solution for future wireless communication systems. In this timely context, we focus on broadcast…

Information Theory · Computer Science 2025-10-22 Nemanja Stefan Perović , Eduard E. Bahingayi , Le-Nam Tran

The Large Intelligent Surface (LIS) concept is a promising technology aiming to revolutionize wireless communication by exploiting spatial multiplexing at its fullest. Despite of its potential, due to the size of the LIS and the large…

Signal Processing · Electrical Eng. & Systems 2019-11-26 Jesus Rodriguez Sanchez , Fredrik Rusek , Ove Edfors , Liang Liu

Seamless redundancy layered atop Wi-Fi has been shown able to tangibly increase communication quality, hence offering industry-grade reliability. However, it also implies much higher network traffic, which is often unbearable as the…

Networking and Internet Architecture · Computer Science 2022-11-23 Gianluca Cena , Stefano Scanzio , Adriano Valenzano
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