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相关论文: Precoding for 2x2 Doubly-Dispersive WSSUS Channels

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In this paper, we propose a state-of-the-art downlink communication transceiver design for transmissive reconfigurable metasurface (RMS)-enabled simultaneous wireless information and power transfer (SWIPT) networks. Specifically, a feed…

信号处理 · 电气工程与系统科学 2022-12-13 Zhendong Li , Wen Chen , Ziheng Zhang , Qingqing Wu , Huanqing Cao , Jun Li

Wideband spectrum sensing (WSS) is critical for orchestrating multitudinous wireless transmissions via spectrum sharing, but may incur excessive costs of hardware, power and computation due to the high sampling rate. In this article, a deep…

信号处理 · 电气工程与系统科学 2024-12-03 Peihao Dong , Jibin Jia , Shen Gao , Fuhui Zhou , Qihui Wu

Due to the rapidly growing scale and heterogeneity of wireless networks, the design of distributed cross-layer optimization algorithms have received significant interest from the networking research community. So far, the standard…

网络与互联网体系结构 · 计算机科学 2016-11-18 Jia Liu , Cathy H. Xia , Ness B. Shroff , Hanif D. Sherali

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

Wirelessly-powered sensor networks (WPSNs) are becoming increasingly important in different monitoring applications. We consider a WPSN where a multiple-antenna base station, which is dedicated for energy transmission, sends pilot signals…

网络与互联网体系结构 · 计算机科学 2020-01-27 Rong Du , Hossein Shokri Ghadikolaei , Carlo Fischione

This paper addresses the joint transceiver design for downlink multiuser multiple-input multiple-output (MIMO) systems, with imperfect channel state information (CSI) at the base station (BS) and mobile stations (MSs). By incorporating…

最优化与控制 · 数学 2013-11-26 Tadilo Endeshaw Bogale , Batu Krishna Chalise , Luc Vandendorpe

We present an efficient tensor-network based algorithm for finding the optimal adaptive quantum channel discrimination strategies inspired by recently developed numerical methods in quantum metrology to find the optimal adaptive channel…

量子物理 · 物理学 2026-02-11 Stanisław Sieniawski , Rafał Demkowicz-Dobrzański

In this work, the uplink channel estimation problem is considered for a millimeter wave (mmWave) multi-input multi-output (MIMO) system. It is well known that pilot overhead and computation complexity in estimating the channel increases…

This paper considers a multi-user multiple-input multiple-output (MU-MIMO) system where the downlink communication between a base station (BS) and multiple user equipments (UEs) is aided by a reconfigurable intelligent surface (RIS). We…

信号处理 · 电气工程与系统科学 2024-09-24 Parisa Ramezani , Yasaman Khorsandmanesh , Emil Björnson

Modern wireless channels are increasingly dense and mobile making the channel highly non-stationary. The time-varying distribution and the existence of joint interference across multiple degrees of freedom (e.g., users, antennas, frequency…

信息论 · 计算机科学 2022-11-14 Zhibin Zou , Maqsood Careem , Aveek Dutta , Ngwe Thawdar

The paper investigates the problem of maximizing expected sum throughput in a fading multiple access cognitive radio network when secondary user (SU) transmitters have energy harvesting capability, and perform cooperative spectrum sensing.…

信息论 · 计算机科学 2016-02-23 Sinchan Biswas , Amirpasha Shirazinia , Subhrakanti Dey

Several novel industrial applications involve human control of vehicles, cranes, or mobile robots through various high-throughput feedback systems, such as Virtual Reality (VR) and tactile/haptic signals. The near real-time interaction…

网络与互联网体系结构 · 计算机科学 2022-08-26 Andrea Bedin , Federico Chiariotti , Andrea Zanella

We propose a two-layer coding architecture for communication of multiple users over a shared slotted medium enabling joint collision resolution and decoding. Each user first encodes its information bits with an outer code for reliability,…

信息论 · 计算机科学 2020-08-18 MohammadReza Ebrahimi , Farshad Lahouti , Victoria Kostina

In this paper, we study how to jointly design the phase shift of cascaded multi-IRSs and the precoding vector of the BS to improve the coverage in dense urban areas. We aim to maximize the signal-to-noise ratio (SNR) of the user equipment…

信息论 · 计算机科学 2021-03-10 Renjie Liang , Jiancun Fan , Yimeng Ge

This paper introduces a novel quantum-based method for dynamic beamforming and re-forming in Unmanned Aircraft Systems (UASs), specifically addressing the critical challenges posed by the unavoidable hovering characteristics of UAVs.…

信号处理 · 电气工程与系统科学 2024-01-30 Sudhanshu Arya , Ying Wang

Coded computation is a framework which provides redundancy in distributed computing systems to speed up largescale tasks. Although most existing works assume an error-free scenarios in a master-worker setup, the link failures are common in…

信息论 · 计算机科学 2019-01-14 Dong-Jun Han , Jy-yong Sohn , Jaekyun Moon

This paper investigates rate-splitting (RS) precoding for non-orthogonal unicast and multicast (NOUM) transmissions using fully-digital and hybrid precoders. We study the nonconvex weighted sum-rate (WSR) maximization problem subject to a…

信息论 · 计算机科学 2022-01-26 Luis F. Abanto-Leon , Matthias Hollick , Bruno Clerckx , Gek Hong Sim

We address the problem of distributed resource allocation for multicast communication in device-to-device (D2D) enabled underlay cellular networks. The optimal resource allocation is crucial for maximizing the performance of such networks,…

网络与互联网体系结构 · 计算机科学 2023-09-27 Mohd Saif Ali Khan , Ajay Bhardwaj , Samar Agnihotri

We consider a nonlinear mixed-dimensional model for simulating gas transport in shale formation. The mathematical model consists of a coupled system of nonlinear equations, where flow within fractures is represented using a…

数值分析 · 数学 2025-08-19 Maria Vasilyeva , Ben S. Southworth , Shubin Fu

We study the two-user multiple-input single-output (MISO) Gaussian interference channel where the transmitters have perfect channel state information and employ single-stream beamforming. The receivers are capable of performing successive…

信息论 · 计算机科学 2015-06-11 Johannes Lindblom , Eleftherios Karipidis , Erik G. Larsson