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相关论文: On Certain Large Random Hermitian Jacobi Matrices …

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We consider the coordinated downlink beamforming problem in a cellular network with the base stations (BSs) equipped with multiple antennas, and with each user equipped with a single antenna. The BSs cooperate in sharing their local…

信息论 · 计算机科学 2011-11-29 Mingyi Hong , Alfredo Garcia , J. Joaquin Escudero Garzas , Ana Garcia-Armada

In this paper the benefits provided by multi-cell processing of signals transmitted by mobile terminals which are received via dedicated relay terminals (RTs) are assessed. Unlike previous works, each RT is assumed here to be capable of…

信息论 · 计算机科学 2016-11-18 Oren Somekh , Osvaldo Simeone , H. Vincent Poor , Shlomo Shamai

The probabilities for gaps in the eigenvalue spectrum of the finite dimension $ N \times N $ random matrix Hermite and Jacobi unitary ensembles on some single and disconnected double intervals are found. These are cases where a reflection…

数学物理 · 物理学 2009-10-31 N. S. Witte , P. J. Forrester , Christopher M. Cosgrove

This work investigates a multi-user, multi-antenna uplink wireless system, in which multiple users transmit signals to a base station. Prior research has explored the potential for linear growth in spectral efficiency by employing multiple…

信号处理 · 电气工程与系统科学 2025-06-27 Sajad Daei , Gabor Fodor , Mikael Skoglund

Extremely large-scale multiple-input-multipleoutput (XL-MIMO) has been reviewed as a promising technology for future sixth-generation (6G) networks to achieve higher performance. In practice, various linear precoding schemes, such as…

信息论 · 计算机科学 2023-05-24 Bokai Xu , Jiayi Zhang , Jiaxun Li , Huahua Xiao , Bo Ai

This work considers the downlink of a multicell massive MIMO system in which $L$ base stations (BSs) of $N$ antennas each communicate with $K$ single-antenna user equipments randomly positioned in the coverage area. Within this setting, we…

信息论 · 计算机科学 2016-05-11 Luca Sanguinetti , Abla Kammoun , Merouane Debbah

Communication systems aided by movable antennas have been the subject of recent research due to their potentially increased spatial degrees of freedom offered by optimizing the antenna positioning at the transmitter and/or receiver. In this…

This paper considers the multiuser multiple-input multiple-output (MIMO) broadcast channel. We consider the case where the multiple transmit antennas are used to deliver independent data streams to multiple users via vector perturbation. We…

信息论 · 计算机科学 2016-11-18 Adeel Razi , Daniel J. Ryan , Iain B. Collings , Jinhong Yuan

A new scheme for MIMO CDMA-based optical satellite communications (OSATCOMs) is presented. Three independent problems are described for up-link and down- link in terms of two distinguished optimization problems. At first, in up-link,…

网络与互联网体系结构 · 计算机科学 2015-12-17 Makan Zamanipour , Mohammadali Mohammadi

We study co-primary spectrum sharing concept in two small cell multiuser network. Downlink transmission is explored with Rayleigh fading in interfering broadcast channel. Both base stations and all the users are equipped with multiple…

网络与互联网体系结构 · 计算机科学 2018-08-29 Tachporn Sanguanpuak , Sudarshan Guruacharya , Nandana Rajatheva , Matti Latva-aho

We associate a Jacobi form over a rank s lattice to N=2, D=4 heterotic string compactifications which have s Wilson lines at a generic point in the vector multiplet moduli space. Jacobi forms of index m=1 and m=2 have appeared earlier in…

高能物理 - 理论 · 物理学 2015-06-17 Caner Nazaroglu

A method is presented for proving upper bounds on the moments of the position operator when the dynamics of quantum wavepackets is governed by a random (possibly correlated) Jacobi matrix. As an application, one obtains sharp upper bounds…

数学物理 · 物理学 2016-10-28 Svetlana Jitomirskaya , Hermann Schulz-Baldes

Multi-cell cooperation is an effective means to improve service quality to cellular users. Existing work primarily focuses on interference cancellation using all the degrees of freedom (DoF). This leads to low service quality for some users…

信息论 · 计算机科学 2023-10-31 Chen-Yen Lin , Kuang-Hao , Liu

We analyze the coverage probability of multi-user uplink cellular networks with fractional power control. We use a stochastic geometry approach where the mobile users are distributed as a Poisson Point Process (PPP), whereas the serving…

In this paper, we investigate a multi-cell six-dimensional movable antenna (6DMA) network for enhancing downlink communication performance under inter-cell interference (ICI). Each base station (BS) is equipped with multiple 6DMA surfaces,…

信息论 · 计算机科学 2026-05-22 Qijun Jiang , Xiaodan Shao , Rui Zhang

In this paper, we study the gap probability problem of the (symmetric) Jacobi unitary ensemble of Hermitian random matrices, namely the probability that the interval $(-a,a)\:(0<a<1)$ is free of eigenvalues. Using the ladder operator…

数学物理 · 物理学 2019-12-17 Chao Min , Yang Chen

The eigendecomposition of the coupling matrix of large biological networks is central to the study of the dynamics of these networks. For neural networks, this matrix should reflect the topology of the network and conform with Dale's law…

神经元与认知 · 定量生物学 2015-09-08 Hervé Rouault , Shaul Druckmann

We introduce a distributed opportunistic scheduling (DOS) strategy, based on two pre-determined thresholds, for uplink $K$-cell networks with time-invariant channel coefficients. Each base station (BS) opportunistically selects a mobile…

信息论 · 计算机科学 2016-11-18 Won-Yong Shin , Dohyung Park , Bang Chul Jung

Bourgade, Nikeghbali and Rouault recently proposed a matrix model for the circular Jacobi $\beta$-ensemble, which is a generalization of the Dyson circular $\beta$-ensemble but equipped with an additional parameter $b$, and further studied…

概率论 · 数学 2014-08-05 Dang-Zheng Liu

This paper aims to explore the feasibility of the spectrum sharing between the communication and radar system. We investigate the full-duplex (FD) joint radar and communication multi-antenna system in which a node labeled ComRad with a dual…

信息论 · 计算机科学 2022-10-25 Yinghong Guo , Cheng Li , Chaoxian Zhang , Yao Yao , Bin Xia
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