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相关论文: One-Bit Massive MIMO Precoding for Frequency-Selec…

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Motivated by the demand for energy-efficient communication solutions in the next generation cellular network, a mixed-ADC architecture for massive multiple input multiple output (MIMO) systems is proposed, which differs from previous works…

信息论 · 计算机科学 2016-11-18 Ning Liang , Wenyi Zhang

Hybrid beamforming is a promising technique to reduce the complexity and cost of massive multiple-input multiple-output (MIMO) systems while providing high data rate. However, the hybrid precoder design is a challenging task requiring…

信号处理 · 电气工程与系统科学 2021-05-28 Hamed Hojatian , Jeremy Nadal , Jean-Francois Frigon , Francois Leduc-Primeau

This paper addresses the problem of exploiting interference among simultaneous multiuser transmissions in the downlink of multiple-antenna systems. Using symbol-level precoding, a new approach towards addressing the multiuser interference…

信息论 · 计算机科学 2016-11-17 Maha Alodeh , Symeon Chatzinotas , Bjorn Ottersten

This paper considers the one-bit precoding problem for the multiuser downlink massive multiple-input multiple-output (MIMO) system with phase shift keying (PSK) modulation and focuses on the celebrated constructive interference (CI)-based…

信息论 · 计算机科学 2022-02-08 Zheyu Wu , Bo Jiang , Ya-Feng Liu , Yu-Hong Dai

The use of one-bit analog-to-digital converters (ADCs) is a practical solution for reducing cost and power consumption in massive Multiple-Input-Multiple-Output (MIMO) systems. However, the distortion caused by one-bit ADCs makes the data…

信号处理 · 电气工程与系统科学 2020-09-02 Ly V. Nguyen , A. Lee Swindlehurst , Duy H. N. Nguyen

Improving the power efficiency and spectral efficiency of communication systems has been one of the major research goals over the recent years. However, there is a tradeoff in achieving both goals at the same time. In this work, we consider…

信息论 · 计算机科学 2017-06-28 Hela Jedda , Muhammad Mudussir Ayub , Jawad Munir , Amine Mezghani , Josef A. Nossek

The use of one-bit analog-to-digital converters (ADCs) at a receiver is a power-efficient solution for future wireless systems operating with a large signal bandwidth and/or a massive number of receive radio frequency chains. This solution,…

信号处理 · 电气工程与系统科学 2019-04-01 Yo-Seb Jeon , Namyoon Lee , H. Vincent Poor

We investigate full-duplex (FD) multi-user multiple input single-output systems with coarse quantization, aiming to characterize the impact of employing low-resolution analog-to-digital converters (ADCs) on self-interference (SI) and to…

信息论 · 计算机科学 2026-01-26 Seunghyeong Yoo , Jaehyun Kim , Seokjun Park , Mintaek Oh , Namyoon Lee , Jinseok Choi

This paper studies the problem of linear precoding for multiple-input multiple-output (MIMO) communication channels employing finite-alphabet signaling. Existing solutions typically suffer from high computational complexity due to costly…

信息论 · 计算机科学 2021-11-08 Maksym A. Girnyk

Analog-to-digital converters (ADCs) stand for a significant part of the total power consumption in a massive MIMO base station. One-bit ADCs are one way to reduce power consumption. This paper presents an analysis of the spectral efficiency…

信息论 · 计算机科学 2017-09-15 Christopher Mollén , Junil Choi , Erik G. Larsson , Robert W. Heath

We present an analytical framework for the channel estimation and the data detection in massive multiple-input multiple-output uplink systems with 1-bit analog-to-digital converters (ADCs) and i.i.d. Rayleigh fading. First, we provide…

信息论 · 计算机科学 2021-11-17 Italo Atzeni , Antti Tölli

Cell-free massive MIMO has matured into a key candidate technology for 6G and beyond, owing to its ability to provide nearly uniform service quality to many user equipments (UEs) over the same time-frequency resources. Unlike conventional…

信号处理 · 电气工程与系统科学 2026-05-25 Özlem Tuğfe Demir , Salih Gümüşbuğa

In this paper, we aim to design highly energy efficient end-to-end communication for millimeter wave multiple-input multiple-output systems. This is done by jointly optimizing the digital-to-analog converter (DAC)/analog-to-digital…

信号处理 · 电气工程与系统科学 2020-03-12 Aryan Kaushik , Evangelos Vlachos , Christos Tsinos , John Thompson , Symeon Chatzinotas

We investigate massive multiple-input-multiple output (MIMO) uplink systems with 1-bit analog-to-digital converters (ADCs) on each receiver antenna. Receivers that rely on 1-bit ADC do not need energy-consuming interfaces such as automatic…

信息论 · 计算机科学 2014-05-01 Chiara Risi , Daniel Persson , Erik G. Larsson

To utilize the full potential of the available power at a base station (BS), we propose a joint precoding, antenna selection, and transmit power control algorithm for a total power budget at the BS. We formulate a sum spectral efficiency…

信号处理 · 电气工程与系统科学 2025-08-08 Jiwon Sung , Seokjun Park , Jinseok Choi

In this paper, we consider delay-optimal MIMO precoder and power allocation design for a MIMO Link in wireless fading channels. There are $L$ data streams spatially multiplexed onto the MIMO link with heterogeneous packet arrivals and delay…

信息论 · 计算机科学 2009-06-02 Vincent K. N. Lau , Yan Chen

Silicon photonic integrated circuits offer significant improvements in processing bandwidth, power efficiency, and low latency, addressing the needs of future microwave communication systems. Several successful applications have been…

We consider the problem of jointly optimizing ADC bit resolution and analog beamforming over a frequency-selective massive MIMO uplink. We build upon a popular model to incorporate the impact of low bit resolution ADCs, that hitherto has…

信号处理 · 电气工程与系统科学 2019-02-28 Narayan Prasad , Xiao-Feng Qi , Alan Gatherer

A new adaptive receiver design for the Multicarrier (MC) DS-CDMA is proposed employing successive interference cancellation (SIC) architecture. One of the main problems limiting the performance of SIC in MC DS-CDMA is the imperfect…

信息论 · 计算机科学 2011-03-01 Indu Shakya , Falah H. Ali , Elias Stipidis

Low-resolution precoding techniques have gained considerable attention in the wireless communications area recently. Vital but hardly discussed in literature, discrete precoding in conjunction with channel coding is the subject of this…

信息论 · 计算机科学 2021-05-21 Erico S. P. Lopes , Lukas T. N. Landau