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This paper analyzes the performance of a single-input multiple-output (SIMO) wireless communication system employing one- and two-sided amplitude shift keying (ASK) modulation schemes for data transmission and operating under correlated…

信号处理 · 电气工程与系统科学 2025-03-27 Badri Ramanjaneya Reddy , Soumya P. Dash , George C. Alexandropoulos

In this letter, we focus on the hybrid precoding (HP) design for the reconfigurable intelligent surface (RIS) aided multi-user (MU) millimeter wave (mmWave) communication systems. Specifically, we aim to minimize the mean-squared-error…

网络与互联网体系结构 · 计算机科学 2019-12-03 Chandan Pradhan , Ang Li , Lingyang Song , Branka Vucetic , Yonghui Li

Characterizing the performance trade-offs between sensing and communication subsystems is essential for enabling integrated sensing and communication systems. Various metrics exist for each subsystem; however, this study focuses on the…

Probabilistic shaping (PS) has attracted significant attention in intensity-modulation and direct-detection (IM-DD) systems. However, due to the unique system model and inherent constraints, the effective application of the PS technique is…

信号处理 · 电气工程与系统科学 2025-07-25 Dongdong Zou , Wei Wang , Jiawen Yao , Zhongxing Tian , Zeyu Feng , Huan Huang , Fan Li , Gordon Ning Liu , Gangxiang Shen , Yi Cai

In this paper, we investigate an intelligent reflecting surface (IRS) assisted cell-free multiple input multiple output (MIMO) communication system, where distributed multiple IRSs are dedicated deployed to assist distributed multiple base…

信息论 · 计算机科学 2021-08-18 Xie Xie , Chen He , Xiaoya Li , Kun Yang , Z. Jane Wang

The upper mid-band (UMB) spectrum is a key enabler for 6G systems, yet reconfigurable intelligent surface (RIS)-assisted UMB communications face severe channel estimation challenges due to near-field propagation and transitional scattering,…

信号处理 · 电气工程与系统科学 2026-03-09 Jeongjae Lee , Chanwon Kim , Songnam Hong

The robust beamforming problem in multiple-input single-output (MISO) downlink networks of simultaneous wireless information and power transfer (SWIPT) is studied in this paper. Adopting the time switching fashion to perform energy…

信号处理 · 电气工程与系统科学 2018-03-22 Yinglei Teng , Wanxin Zhao , Mei Yan , Yong Zhang , Mei Song

This paper studies backscatter communication (BackCom) systems with a passive backscatter tag. The effectiveness of these tags is limited by the amount of energy they can harness from incident radio signals, which are used to backscatter…

最优化与控制 · 数学 2024-09-12 Amus Chee Yuen Goay , Deepak Mishra , Aruna Seneviratne

Intelligent reflecting surface (IRS) is a promising solution to build a programmable wireless environment for future communication systems, in which the reflector elements steer the incident signal in fully customizable ways by passive…

信息论 · 计算机科学 2022-09-14 Feng Shu , Xinyi Jiang , Wenlong Cai , Weiping Shi , Mengxing Huang , Jiangzhou Wang , Xiaohu You

We study the compressed sensing reconstruction problem for a broad class of random, band-diagonal sensing matrices. This construction is inspired by the idea of spatial coupling in coding theory. As demonstrated heuristically and…

信息论 · 计算机科学 2015-03-19 David L. Donoho , Adel Javanmard , Andrea Montanari

In this paper, we investigate the performance of reconfigurable intelligent surface (RIS)-aided spatial shift keying (SSK) wireless communication systems with imperfect channel state information (CSI). Specifically, we study the average bit…

信息论 · 计算机科学 2023-10-17 Xusheng Zhu , Wen Chen , Qingqing Wu , Zhendong Li , Jun Li , Shunqing Zhang , Ming Ding

We consider power allocations in downlink cellular wireless systems where the basestations are equipped with multiple transmit antennas and the mobile users are equipped with single receive antennas. Such systems can be modeled as multiuser…

信息论 · 计算机科学 2013-03-20 Weiqiang Xu , Xiaodong Wang , Saleh Alshomrani

The typical approach for recovery of spatially correlated signals is regularized least squares with a coupled regularization term. In the Bayesian framework, this algorithm is seen as a maximum-a-posterior estimator whose postulated prior…

信息论 · 计算机科学 2018-05-31 Ali Bereyhi , Saeid Haghighatshoar , Ralf R. Müller

Data transmission rate in molecular communication systems can be improved by using multiple transmitters and receivers. In molecular multiple-input multiple-output (MIMO) systems which use only single type of molecules, the performance at…

信息论 · 计算机科学 2019-04-23 Nithin V. Sabu , Neeraj Varshney , Abhishek K. Gupta

In this paper, we investigate an reconfigurable intelligent surface (RIS)-aided integrated sensing and communication (ISAC) system. Our objective is to maximize the achievable sum rate of the multi-antenna communication users through the…

信号处理 · 电气工程与系统科学 2024-02-09 Yasheng Jin , Hong Ren , Cunhua Pan , Zhiyuan Yu , Ruisong Weng , Boshi Wang , Gui Zhou , Yongchao He , Maged Elkashlan

This paper attempts to jointly optimize the hybrid precoding (HP) and intelligent reflecting surfaces (IRS) beamforming matrices in a multi-IRS-aided mmWave communication network, utilizing the Alamouti scheme at the base station (BS).…

信号处理 · 电气工程与系统科学 2025-03-20 Fardad Rahkheir , Soroush Akhlaghi

We consider the downlink scenario of multiuser multiple-input-single-output (MU-MISO) communication systems with constant envelope (CE) signals emitted from each antenna. This results in energy efficient power amplifiers (PAs). We propose a…

信息论 · 计算机科学 2017-06-28 Andreas Noll , Hela Jedda , Josef A. Nossek

This paper studies a constrained optimization problem over networked systems with an undirected and connected communication topology. The algorithm proposed in this work utilizes singular perturbation, dynamic average consensus, and saddle…

最优化与控制 · 数学 2017-10-24 Phuong Huu Hoang , Hyo-Sung Ahn

This paper considers symbol-level precoding (SLP) for multiuser multi-input single-output (MISO) downlink transmission with the aid of intelligent reflecting surface (IRS). Specifically, by assuming one-bit transmitted signals at the base…

信号处理 · 电气工程与系统科学 2020-12-02 Silei Wang , Qiang Li , Mingjie Shao

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri