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相关论文: Uplink Spectral Efficiency Analysis of Multi-Cell …

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This paper considers the uplink (UL) of a multi-cell Massive MIMO (multiple-input multiple-output) system with spatially correlated Rician fading channels. The channel model is composed of a deterministic line-of-sight (LoS) path and a…

信息论 · 计算机科学 2018-05-22 Özgecan Özdogan , Emil Björnson , Erik G. Larsson

We consider a practical spatially correlated reconfigurable intelligent surface (RIS)-aided cell-free (CF) massive multiple-input-multiple-output (mMIMO) system with multi-antenna access points (APs) over spatially correlated Rician fading…

信息论 · 计算机科学 2022-09-29 Enyu Shi , Jiayi Zhang , Zhe Wang , Derrick Wing Kwan Ng , Bo Ai

We carry out a theoretical analysis of the uplink (UL) of a massive MIMO system with per-user channel correlation and Rician fading, using two processing approaches. Firstly, we examine the linear minimum-mean-square-error receiver under…

信息论 · 计算机科学 2018-09-07 Ikram Boukhedimi , Abla Kammoun , Mohamed-Slim Alouini

We consider a practical cell-free massive multiple-input-multiple-output (MIMO) system with multi-antenna access points (APs) and spatially correlated Rician fading channels. The significant phase-shift of the line-of-sight component…

信息论 · 计算机科学 2021-10-13 Zhe Wang , Jiayi Zhang , Emil Björnson , Bo Ai

Closed-form approximations to the expected per-terminal signal-to-interference-plus-noise-ratio (SINR) and ergodic sum spectral efficiency of a large multiuser multiple-input multiple-output system are presented. Our analysis assumes…

信息论 · 计算机科学 2017-05-11 Harsh Tataria , Peter J. Smith , Michail Matthaiou , Pawel A. Dmochowski

This paper investigates the uplink achievable rates of massive multiple-input multiple-output (MIMO) antenna systems in Ricean fading channels, using maximal-ratio combining (MRC) and zero-forcing (ZF) receivers, assuming perfect and…

信息论 · 计算机科学 2015-06-19 Qi Zhang , Shi Jin , Kai-Kit Wong , Hongbo Zhu , Michail Matthaiou

We study the uplink performance of massive multiple-input multiple-output (MIMO) when users are equipped with multiple antennas. To this end, we consider a generalized channel model that accounts for line-of-sight propagation and spatially…

信息论 · 计算机科学 2020-09-02 Konstantinos Dovelos , Michail Matthaiou , Hien Quoc Ngo , Boris Bellalta

A cell-free network merged with active reconfigurable reflecting surfaces (RIS) is investigated in this paper. Based on the imperfect channel state information (CSI), the aggregated channel from the user to the access point (AP) is…

信号处理 · 电气工程与系统科学 2024-02-23 Mahdi Eskandari , Huiling Zhu , Jiangzhou Wang

Closed-form approximations of the expected per-terminal signal-to-interference-plus-noise-ratio (SINR) and ergodic sum spectral efficiency of a multiuser multiple-input multiple-output system are presented. Our analysis assumes spatially…

In this paper, we study the uplink (UL) and downlink (DL) spectral efficiency (SE) of a cell-free massive multiple-input-multiple-output (MIMO) system with Rician fading channels. The phase of the line-of-sight (LoS) path is modeled as a…

信息论 · 计算机科学 2019-11-04 Özgecan Özdogan , Emil Björnson , Jiayi Zhang

Massive multiple-input multiple-output (MIMO) systems have been drawing considerable interest due to the growing throughput demands on wireless networks. In the uplink, massive MIMO systems are commonly studied assuming that each base…

信息论 · 计算机科学 2018-11-28 Nir Shlezinger , Yonina C. Eldar

Massive spatial modulation aided multiple-input multiple-output (SM-MIMO) systems have recently been proposed as a novel combination of spatial modulation (SM) and of conventional massive MIMO, where the base station (BS) is equipped with a…

信息论 · 计算机科学 2016-12-28 Longzhuang He , Jintao Wang , Jian Song , Lajos Hanzo

This paper considers multi-cell Massive MIMO (multiple-input multiple-output) systems where the channels are spatially correlated Rician fading. The channel model is composed of a deterministic line-of-sight (LoS) path and a stochastic…

信息论 · 计算机科学 2019-06-14 Özgecan Özdogan , Emil Björnson , Erik G. Larsson

We consider channel estimation for an uplink massive multiple-input multiple-output (MIMO) system where the base station (BS) uses an array with low-resolution (1-2 bit) analog-to-digital converters and a spatial Sigma-Delta…

信号处理 · 电气工程与系统科学 2021-07-15 Shilpa Rao , Gonzalo Seco-Granados , Hessam Pirzadeh , Josef A. Nossek , A. Lee Swindlehurst

A massive MIMO system entails a large number of base station antennas M serving a much smaller number of users. This leads to large gains in spectral and energy efficiency compared with other technologies. As the number of antennas M grows,…

信息论 · 计算机科学 2018-07-13 Ansuman Adhikary , Alexei Ashikhmin

This work considers a multicell Massive MIMO network with $L$ cells, each comprising a BS with $M$ antennas and $K$ single-antenna user equipments. Within this setting, we are interested in deriving approximations of the achievable rates in…

信息论 · 计算机科学 2018-11-29 Luca Sanguinetti , Abla Kammoun , Merouane Debbah

We consider the uplink of a multicell multiuser multiple-input multiple-output system where the channel experiences both small and large-scale fading. The data detection is done by using the linear zero-forcing technique, assuming the base…

信息论 · 计算机科学 2012-07-02 Hien Quoc Ngo , Michail Matthaiou , Trung Q. Duong , Erik G. Larsson

This paper considers an uplink reconfigurable intelligent surface (RIS)-aided massive multiple-input multiple-output (MIMO) system with statistical channel state information (CSI). The RIS is deployed to help conventional massive MIMO…

信号处理 · 电气工程与系统科学 2021-06-17 Kangda Zhi , Cunhua Pan , Hong Ren , Kezhi Wang

We consider the uplink of a Massive MIMO network with $L$ cells, each comprising a BS with $M$ antennas and $K$ single-antenna user equipments. Recently, [1] studied the asymptotic spectral efficiency of such networks with optimal multicell…

信息论 · 计算机科学 2019-06-26 Luca Sanguinetti , Emil Björnson , Abla Kammoun

This paper investigates the spectral efficiency of multi-cell massive multiple-input multiple-output systems with Ricean fading that utilize the linear maximal-ratio combining detector. We firstly present closed-form expressions for the…

信息论 · 计算机科学 2018-08-28 Pei Liu , Kai Luo , Da Chen , Tao Jiang , Michail Matthaiou
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