中文
相关论文

相关论文: Mean Capacity of Spatially Semi-Correlated MIMO Fa…

200 篇论文

This paper investigates the capacity scaling of multicell massive MIMO systems in the presence of spatially correlated fading. In particular, we focus on the strong spatial correlation regimes where the covariance matrix of each user…

信息论 · 计算机科学 2019-12-10 Junyoung Nam , Giuseppe Caire , Merouane Debbah , H. Vincent Poor

In this paper, we analyze the capacity of multiple-input multiple-output (MIMO) Rayleigh-fading channels in the presence of spatial fading correlation at both the transmitter and the receiver, assuming that the channel is unknown at the…

信息论 · 计算机科学 2016-11-18 Hyundong Shin , Moe Z. Win , Jae Hong Lee , Marco Chiani

We investigate asymptotic capacity limits of the Gaussian MIMO broadcast channel (BC) with spatially correlated fading to understand when and how much transmit correlation helps the capacity. By imposing a structure on channel covariances…

信息论 · 计算机科学 2014-10-13 Junyoung Nam

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 determine the capacity-achieving input covariance matrices for coherent block-fading correlated MIMO Rician channels. In contrast with the Rayleigh and uncorrelated Rician cases, no closed-form expressions for the eigenvectors of the…

信息论 · 计算机科学 2007-07-13 Julien Dumont , Philippe Loubaton , Samson Lasaulce

This paper investigates an error covariance matrix splitting technique for multiuser multiple input and multiple output (MIMO) interference downlink channel. Most of the related work has thus far considered the traditional error covariance…

信息论 · 计算机科学 2016-09-06 Md. Abdul Latif Sarker

The theory of multiple-input multiple-output (MIMO) technology has been well-developed to increase fading channel capacity over single-input single-output (SISO) systems. This capacity gain can often be leveraged by utilizing channel state…

信息论 · 计算机科学 2008-02-25 Il Han Kim , David J. Love

In this paper, we investigate the impact of channel aging on the performance of cell-free (CF) massive multiple-input multiple-output (MIMO) systems with both spatial correlation and pilot contamination. We derive novel closed-form uplink…

信息论 · 计算机科学 2021-04-26 Jiakang Zheng , Jiayi Zhang , Emil Björnson , Bo Ai

We study a multiple-input multiple-output (MIMO) multiple access channel (MAC) from several multi-antenna transmitters to a multi-antenna receiver. The fading channels between the transmitters and the receiver are modeled by random…

信息论 · 计算机科学 2011-05-04 Jakob Hoydis , Romain Couillet , Merouane Debbah

Characterization and modeling of co-channel interference is critical for the design and performance evaluation of realistic multi-cell cellular networks. In this paper, based on alpha stable processes, an analytical co-channel interference…

网络与互联网体系结构 · 计算机科学 2014-12-18 Xiaohu Ge , Kun Huang , Cheng-Xiang Wang , Xuemin Hong , Xi Yang

We consider the massive Multiple Input Multiple Output (MIMO) diversity channel affected by independent and identically distributed Rayleigh fading, with linear processing at both transmitter and receiver sides, and analyze the outage…

信息论 · 计算机科学 2023-02-08 Marco Martalo , Riccardo Raheli

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

Discrete-time Rayleigh fading multiple-input multiple-output (MIMO) channels are considered, with no channel state information at the transmitter and receiver. The fading is assumed to be correlated in time and independent from antenna to…

信息论 · 计算机科学 2007-07-13 Vignesh Sethuraman , Ligong Wang , Bruce Hajek , Amos Lapidoth

Flat-fading channel models are usually invoked for analyzing the performance of massive spatial modulation multiple-input multiple-output (SM-MIMO) systems. However, in the context of broadband SM transmission, the severe…

信息论 · 计算机科学 2017-12-04 Yue Sun , Jintao Wang , Longzhuang He , Jian Song

The capacity-achieving input covariance matrices for coherent block-fading correlated MIMO Rician channels are determined. In this case, no closed-form expressions for the eigenvectors of the optimum input covariance matrix are available.…

概率论 · 数学 2011-06-07 Julien Dumont , W. Hachem , Samson Lasaulce , Philippe Loubaton , Jamal Najim

Intelligent reflecting surface (IRS) is a promising solution to enhance the wireless communication capacity both cost-effectively and energy-efficiently, by properly altering the signal propagation via tuning a large number of passive…

信息论 · 计算机科学 2019-10-04 Shuowen Zhang , Rui Zhang

Massive multiple-input-multiple-output (MIMO) is unquestionably a key enabler of the fifth-generation (5G) technology for mobile systems, enabling to meet the high requirements of upcoming mobile broadband services. Physical-layer…

信号处理 · 电气工程与系统科学 2024-09-19 Alejandro de la Fuente , Giovanni Interdonato , Giuseppe Araniti

Gaussian MIMO channel under total transmit and multiple interference power constraints (TPC and IPCs) is considered. A closed-form solution for its optimal transmit covariance matrix is obtained in the general case (up to dual variables). A…

信息论 · 计算机科学 2020-05-18 Sergey Loyka

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

In this paper, we investigate the quantization and the feedback of downlink spatial covariance matrix for massive multiple-input multiple-output (MIMO) systems with cascaded precoding. Massive MIMO has gained a lot of attention recently…

信息论 · 计算机科学 2016-10-18 Yinsheng Liu , Geoffrey Ye Li , Wei Han
‹ 上一页 1 2 3 10 下一页 ›