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Multiple-input multiple-output (MIMO) techniques are becoming commonplace in recent wireless communication standards. This added dimension (i.e., space) can be efficiently used to mitigate the interference in the multi-user MIMO context. In…

Information Theory · Computer Science 2014-06-23 Amr Ismail , Mohamed-Slim Alouini

In this correspondence, we propose a space domain index modulation (IM) scheme for the downlink of multiuser multiple-input multiple-output (MU-MIMO) systems. Instead of the most common approach where spatial bits select active receiver…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Nuno Souto , Américo Correia

This work addresses channel estimation in multiple antenna multicell interference-limited networks. Channel state information (CSI) acquisition is vital for interference mitigation. Wireless networks often suffer from multicell…

Information Theory · Computer Science 2015-05-11 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

Emerging wireless services with extremely high data rate requirements, such as real-time extended reality applications, mandate novel solutions to further increase the capacity of future wireless networks. In this regard, leveraging large…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Reza Barazideh , Omid Semiari , Solmaz Niknam , Balasubramaniam Natarajan

Reconfigurable intelligent surface (RIS) is a promising reflective radio technology for improving the coverage and rate of future wireless systems by reconfiguring the wireless propagation environment. The current work mainly focuses on the…

Networking and Internet Architecture · Computer Science 2021-03-24 Xuelin Cao , Bo Yang , Hongliang Zhang , Chongwen Huang , Chau Yuen , Zhu Han

This paper considers a fully-connected interference network with a relay in which multiple users equipped with a single antenna want to exchange multiple unicast messages with other users in the network by sharing the relay equipped with…

Information Theory · Computer Science 2013-02-05 Namyoon Lee , Robert W. Heath

Extremely large-scale array (XL-array) is envisioned to achieve super-high spectral efficiency in future wireless networks. Different from the existing works that mostly focus on the near-field communications, we consider in this paper a…

Signal Processing · Electrical Eng. & Systems 2023-01-31 Yunpu Zhang , Changsheng You , Li Chen , Beixiong Zheng

We consider the problem of coding over the multi-user Interference Channel (IC). It is well-known that aligning the interfering signals results in improved achievable rates in certain setups involving more than two users. We argue that in…

Information Theory · Computer Science 2016-02-18 F. Shirani , S. S. Pradhan

Low-cost passive intelligent reflecting surfaces (IRSs) have recently been envisioned as a revolutionary technology capable of reconfiguring the wireless propagation environment through carefully tuning reflection elements. This paper…

Signal Processing · Electrical Eng. & Systems 2021-09-14 Zhangjie Peng , Zhenkun Zhang , Cunhua Pan , Li Li , A. Lee Swindlehurst

Radio-frequency (RF) signals enabled wireless information and power transfer (WIPT) is a cost-effective technique to achieve two-way communications and at the same time provide energy supplies for low-power wireless devices. However, the…

Information Theory · Computer Science 2017-07-25 Yuan Liu , Jie Xu , Rui Zhang

Intelligent reflecting surface (IRS) has recently been emerging as an enabler for smart radio environment in which passive antenna arrays can be used to actively tailor/control the radio propagation. With multiple IRSs being launched to…

Signal Processing · Electrical Eng. & Systems 2021-12-09 Tu V. Nguyen , Diep N. Nguyen

Reconfigurable intelligent surfaces (RISs) have gained significant attention in recent years due to their ability to control the reflection of radio-frequency signals and reshape the wireless propagation environment. Unlike traditional…

Networking and Internet Architecture · Computer Science 2026-02-10 Kaining Wang , Xueyao Zhang , Bo Yang , Xuelin Cao , Qiang Cheng , Zhiwen Yu , Bin Guo , George C. Alexandropoulos , Kai-Kit Wong , Chan-Byoung Chae , Mérouane Debbah

Recently, ambient backscatter communications has been introduced as a cutting-edge technology which enables smart devices to communicate by utilizing ambient radio frequency (RF) signals without requiring active RF transmission. This…

Networking and Internet Architecture · Computer Science 2017-12-14 Nguyen Van Huynh , Dinh Thai Hoang , Xiao Lu , Dusit Niyato , Ping Wang , Dong In Kim

In this paper, a multi user Multi-Carrier Differential Chaos Shift Keying (MC-DCSK) modulation is presented. The system endeavors to provide a good trade-off between robustness, energy efficiency and high data rate, while still being…

Other Computer Science · Computer Science 2016-11-18 Georges Kaddoum , Francois-Dominique Richardson , Sarra Adouni , Francois Gagnon , Claude Thibeault

This paper study the effect of interference management arising due to millimeter wave (mmWave) communication on the performance of multiple input multiple output (MIMO) based spectrum sharing cognitive systems. The highly directed mmWave…

Information Theory · Computer Science 2018-06-26 Abhishek Agrahari , Aditya K. Jagannatham

The performance of conventional interference management strategies degrades when interference power is comparable to signal power. We consider a new perspective on interference management using semantic communication. Specifically, a…

Signal Processing · Electrical Eng. & Systems 2024-08-09 Zian Meng , Qiang Li , Ashish Pandharipande , Xiaohu Ge

End-to-end autoencoder (AE) learning has the potential of exceeding the performance of human-engineered transceivers and encoding schemes, without a priori knowledge of communication-theoretic principles. In this work, we aim to understand…

Information Theory · Computer Science 2022-03-16 Jinxiang Song , Christian Häger , Jochen Schröder , Timothy J. O'Shea , Erik Agrell , Henk Wymeersch

This paper investigates robust transmit (TX) beamforming from the satellite to user terminals (UTs), based on statistical channel state information (CSI). The proposed design specifically targets the mitigation of satellite-to-terrestrial…

Signal Processing · Electrical Eng. & Systems 2025-06-16 Wenjing Cao , Yafei Wang , Tianxiang Ji , Tianyang Cao , Wenjin Wang , Symeon Chatzinotas , Björn Ottersten

This paper introduces a novel approach of utilizing the reconfigurable intelligent surface (RIS) for joint data modulation and signal beamforming in a multi-user downlink cellular network by leveraging the idea of backscatter communication.…

Information Theory · Computer Science 2021-08-25 Haseeb Ur Rehman , Faouzi Bellili , Amine Mezghani , Ekram Hossain

Typical magnetic induction (MI) communication is commonly considered a secure underwater wireless communication (UWC) technology due to its non-audible and non-visible nature compared to acoustic and optical UWC technologies. However,…

Cryptography and Security · Computer Science 2025-05-08 Muhammad Muzzammil , Waqas Aman , Irfan Ullah , Shang Zhigang , Saif Al-Kuwari , Zhou Tian , Marwa Qaraqe
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