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Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a cutting-edge concept for the sixth-generation (6G) wireless networks. In this paper, we propose a novel system that incorporates STAR-RIS with…

Information Theory · Computer Science 2024-05-07 Mojtaba Amiri , Elaheh Vaezpour , Sepideh Javadi , Mohammad Robat Mili , Halim Yanikomeroglu , Mehdi Bennis

The emergence of interference alignment (IA) as a degrees-of-freedom optimal strategy motivates the need to investigate whether IA can be leveraged to aid conventional network optimization algorithms that are only capable of finding locally…

Information Theory · Computer Science 2016-09-27 Gokul Sridharan , Siyu Liu , Wei Yu

In this paper, the problem of spectral-efficient communication and computation resource allocation for distributed reconfigurable intelligent surfaces (RISs) assisted probabilistic semantic communication (PSC) in industrial…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Chongwen Huang , Li Wei , Qianqian Yang , Caijun Zhong , Wei Xu , Zhaoyang Zhang

This work compares different linear and nonlinear RF energy harvesting models, including limited or unlimited sensitivity, for simultaneous wireless information and power transfer (SWIPT). The probability of successful SWIPT reception under…

Signal Processing · Electrical Eng. & Systems 2018-02-28 Panos N. Alevizos , Georgios Vougioukas , Aggelos Bletsas

The performance of simultaneous wireless information and power transfer (SWIPT) in downlink (DL) cell-free massive multiple-input multiple-output (MIMO) is investigated. Tight approximations to the DL harvested energy and the DL/uplink (UL)…

Signal Processing · Electrical Eng. & Systems 2020-11-17 Diluka Loku Galappaththige , Rajan Shrestha , Gayan Amarasuriya Aruma Baduge

Interference alignment (IA) is a revolutionary wireless transmission strategy that reduces the impact of interference. The idea of interference alignment is to coordinate multiple transmitters so that their mutual interference aligns at the…

Information Theory · Computer Science 2013-04-15 Omar El Ayach , Steven W. Peters , Robert W. Heath

We address the problem of interference management and power control in terms of maximization of a general utility function. For the utility functions under consideration, we propose a power control algorithm based on a fixed-point…

Information Theory · Computer Science 2012-11-13 Ehsan Karamad , Raviraj Adve , Jerry Chow

This paper studies the application of reconfigurable intelligent surface (RIS) to cooperative non-orthogonal multiple access (C-NOMA) networks with simultaneous wireless information and power transfer (SWIPT). We aim for maximizing the rate…

Information Theory · Computer Science 2022-04-19 Juanjuan Ren , Xianfu Lei , Zhangjie Peng , Xiaohu Tang , Octavia A. Dobre

Simultaneous wireless information and power transfer (SWIPT) has been recognized as a promising approach to improving the performance of energy constrained networks. In this paper, we investigate a SWIPT based three-step two-way…

Information Theory · Computer Science 2019-02-25 Liqin Shi , Wenchi Cheng , Yinghui Ye , Hailin Zhang , Rose Qingyang Hu

We study information-theoretic limits for simultaneous wireless information and power transfer (SWIPT) systems employing nonlinear radio frequency (RF) energy harvesting (EH) receivers (Rxs). In particular, we consider a SWIPT system with…

Information Theory · Computer Science 2019-12-03 Rania Morsi , Vahid Jamali , Amelie Hagelauer , Derrick Wing Kwan Ng , Robert Schober

As Internet of Things (IoT) devices proliferate, sustainable methods for powering them are becoming indispensable. The wireless provision of power enables battery-free operation and is crucial for complying with weight and size…

Information Theory · Computer Science 2024-06-04 Kenneth M. Mayer , Laura Cottatellucci , Robert Schober

This paper investigates how to use a metaheuristic based technique, namely Particle Swarm Optimization (PSO), in carrying out of Interference Alignment (IA) for $K$-User MIMO Interference Channel (IC). Despite its increasing popularity,…

Signal Processing · Electrical Eng. & Systems 2018-06-08 Lysa AIT Messaoud , Fatiha Merazka

Wireless sensing and wireless energy are enablers to pave the way for smart transportation and a greener future. In this paper, an intelligent reflecting surface (IRS) assisted integrated sensing and wireless power transfer (ISWPT) system…

Signal Processing · Electrical Eng. & Systems 2023-12-04 Zheng Li , Zhengyu Zhu , Zheng Chu , Yingying Guan , De Mi , Fan Liu , Lie-Liang Yang

This paper reviews emerging wireless information and power transfer (WIPT) technique with an emphasis on its performance enhancement employing multi-antenna techniques. Compared to traditional wireless information transmission, WIPT faces…

Information Theory · Computer Science 2016-11-17 Xiaoming Chen , Zhaoyang Zhang , Hsiao-Hwa Chen , Huazi Zhang

In this paper, we study power allocation for secure communication in a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. The receivers are able to harvest energy from…

Information Theory · Computer Science 2013-07-30 Derrick Wing Kwan Ng , Lin Xiang , Robert Schober

Since radio signals carry both energy and information at the same time, a unified study on simultaneous wireless information and power transfer (SWIPT) has recently drawn a significant attention for achieving wireless powered communication…

Information Theory · Computer Science 2014-07-22 Hyungsik Ju , Rui Zhang

This letter introduces a novel framework to optimize the power allocation for users in a Rate Splitting Multiple Access (RSMA) network. In the network, messages intended for users are split into different parts that are a single common part…

Information Theory · Computer Science 2021-10-06 Nguyen Quang Hieu , Dinh Thai Hoang , Dusit Niyato , Dong In Kim

An intelligent reflecting surface (IRS) is invoked for enhancing the energy harvesting performance of a simultaneous wireless information and power transfer (SWIPT) aided system. Specifically, an IRS-assisted SWIPT system is considered,…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Arumugam Nallanathan , Jiangzhou Wang , Lajos Hanzo

This paper studies a general multi-user wireless powered interference channel (IFC) under the harvest-then-transmit protocol, where the communication in channel coherence time consists of two phases, namely wireless energy transfer (WET)…

Signal Processing · Electrical Eng. & Systems 2019-02-27 Omid Rezaei , Mohammad Mahdi Naghsh , Zahra Rezaei , Rui Zhang

The dual use of radio signals for simultaneous wireless information and power transfer (SWIPT) has recently drawn significant attention. To meet the practical requirement that energy receivers (ERs) operate with significantly higher…

Information Theory · Computer Science 2015-06-16 Liang Liu , Rui Zhang , Kee-Chaing Chua
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