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Reconfigurable Intelligent Surfaces (RISs) constitute the key enabler for programmable electromagnetic propagation environments, and are lately being considered as a candidate physical-layer technology for the demanding connectivity,…

In order to provide design guidelines for energy efficient 6G networks, we propose a novel radial basis function (RBF) based optimization framework to maximize the integrated relative energy efficiency (IREE) metric. Different from the…

Networking and Internet Architecture · Computer Science 2024-05-22 Tao Yu , Pengbo Huang , Shunqing Zhang , Xiaojing Chen , Yanzan Sun , Xin Wang

In this paper we study secure energy efficiency (SEE) for simultaneous wireless information and power transfer (SWIPT) in a distributed antenna system (DAS) based IoT network. We consider a system in which both legitimate users (Bobs) and…

Information Theory · Computer Science 2021-03-24 Aaqib Bulla , Shahid M Shah

We study the problem of spectrum sharing between goal-oriented (GO) and legacy data-oriented (DO) systems. For the former, data quality and representation is no longer optimized based on classical communication key performance indicators,…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Mattia Merluzzi , Miltiadis C. Filippou

With the recent surge of video conferencing tools usage, providing high-quality speech signals and accurate captions have become essential to conduct day-to-day business or connect with friends and families. Single-channel personalized…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-22 Hassan Taherian , Sefik Emre Eskimez , Takuya Yoshioka , Huaming Wang , Zhuo Chen , Xuedong Huang

In mobile edge computing (MEC) systems, the wireless channel condition is a critical factor affecting both the communication power consumption and computation rate of the offloading tasks. This paper exploits the idea of cooperative…

Information Theory · Computer Science 2024-03-25 Zhenrong Liu , Zongze Li , Yi Gong , Yik-Chung Wu

Reconfigurable intelligent surfaces (RISs) provide an interface between the electromagnetic world of wireless propagation environments and the digital world of information science. Simple yet sufficiently accurate path loss models for RISs…

Signal Processing · Electrical Eng. & Systems 2022-08-29 Wankai Tang , Xiangyu Chen , Ming Zheng Chen , Jun Yan Dai , Yu Han , Marco Di Renzo , Shi Jin , Qiang Cheng , Tie Jun Cui

Pinching antenna system (PAS) serves as a groundbreaking paradigm that enhances wireless communications by flexibly adjusting the position of pinching antenna (PA) and establishing a strong line-of-sight (LoS) link, thereby reducing the…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Kunrui Cao , Jingyu Chen , Panagiotis D. Diamantoulakis , Lei Zhou , Xingwang Li , Yuanwei Liu , George K. Karagiannidis

Enriching information of spectrum coverage, radiomap plays an important role in many wireless communication applications, such as resource allocation and network optimization. To enable real-time, distributed spectrum management,…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Yueling Zhou , Achintha Wijesinghe , Yue Wang , Songyang Zhang , Zhipeng Cai

A statistical characterization of the fundamental performance bounds of an intelligent reflective surface (IRS) intended for aiding wireless communications is presented. To this end, the outage probability, average symbol error probability,…

Signal Processing · Electrical Eng. & Systems 2020-02-14 Dhanushka Kudathanthirige , Dulaj Gunasinghe , Gayan Amarasuriya

Using stochastic geometry tools, we develop a comprehensive framework to analyze the downlink coverage probability, ergodic capacity, and energy efficiency (EE) of various types of users (e.g., users served by direct base station (BS)…

Information Theory · Computer Science 2021-08-12 Taniya Shafique , Hina Tabassum , Ekram Hossain

In the framework of the "Smart ElectroMagnetic Environment" (SEME), an innovative strategy leveraging Equivalence Source concepts is introduced for enhancing the performance of large-scale outdoor wireless communication systems. The…

Systems and Control · Electrical Eng. & Systems 2024-01-12 Pietro Da Rù , Arianna Benoni , Marco Salucci , Paolo Rocca , Andrea Massa

Given the fast growth of intelligent devices, it is expected that a large number of high-stake artificial intelligence (AI) applications, e.g., drones, autonomous cars, tactile robots, will be deployed at the edge of wireless networks in…

Signal Processing · Electrical Eng. & Systems 2020-04-29 Kai Yang , Yong Zhou , Zhanpeng Yang , Yuanming Shi

Symbiotic radio (SR) is a promising technology of spectrum- and energy-efficient wireless systems, for which the key idea is to use cognitive backscattering communication to achieve mutualistic spectrum and energy sharing with passive…

Information Theory · Computer Science 2023-05-24 Sihan Wang , Jingran Xu , Yong Zeng

Fluid antenna systems (FAS) offer a promising paradigm for enhancing wireless communication by exploiting spatial diversity, yet a rigorous analytical framework for their error probability has been notably absent. To this end, this paper…

Information Theory · Computer Science 2025-11-06 Xusheng Zhu , Farshad Rostami Ghadi , Tuo Wu , Kaitao Meng , Chao Wang , Gui Zhou

In this paper, we consider a heterogeneous 5G cellular architecture that separates the outdoor and indoor scenarios and in particular study the trade-off between the spectrum efficiency (SE), energy efficiency (EE), economy efficiency…

Signal Processing · Electrical Eng. & Systems 2022-05-12 Yu Fu , Cheng-Xiang Wang , Zijun Zhao , Stephen McLaughlin

Reconfigurable intelligent surfaces (RISs) are widely considered a promising technology for future wireless communication systems. As an important indicator of RIS-assisted communication systems in green wireless communications, energy…

Signal Processing · Electrical Eng. & Systems 2023-10-25 Zhiyi Li , Jida Zhang , Jieao Zhu , Shi Jin , Linglong Dai

In this paper, the problem of wireless resource allocation and semantic information extraction for energy efficient semantic communications over wireless networks with rate splitting is investigated. In the considered model, a base station…

Information Theory · Computer Science 2023-01-06 Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Chongwen Huang

In wireless network communication environments, Spectral Efficiency (SE) and Energy Efficiency (EE) are among the major indicators used for evaluating network performance. However, given the high demand for data rate services and the…

Networking and Internet Architecture · Computer Science 2021-02-16 Mamman Maharazu , Zurina Mohd Hanapi , Mohamed A. Alrshah

In this paper, energy efficient power adaptation is considered in sensing-based spectrum sharing cognitive radio systems in which secondary users first perform channel sensing and then initiate data transmission with two power levels based…

Information Theory · Computer Science 2016-11-17 Gozde Ozcan , M. Cenk Gursoy
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