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We investigate interaction networks that we derive from multivariate time series with methods frequently employed in diverse scientific fields such as biology, quantitative finance, physics, earth and climate sciences, and the…

数据分析、统计与概率 · 物理学 2012-01-10 Stephan Bialonski , Martin Wendler , Klaus Lehnertz

Effect of interference correlation on wireless systems is often studied by modeling the locations of interferers as a Poisson Point Process (PPP). However, in many cases, the complicated nature of this correlation limits the analytical…

信息论 · 计算机科学 2018-10-09 Arindam Ghosh , Harpreet S. Dhillon

This work investigates the spatial trade-offs arising from the design of the transmit beamformer in a monostatic integrated sensing and communication (ISAC) base station (BS) under bursty traffic, a crucial aspect necessitated by the…

信号处理 · 电气工程与系统科学 2026-01-21 Mauro Marchese , Musa Furkan Keskin , Pietro Savazzi , Henk Wymeersch

Spatial interference (SI) occurs when the treatment at one location affects the outcomes at other locations. Accounting for spatial interference in spatiotemporal settings poses further challenges as interference violates the stable unit…

机器学习 · 计算机科学 2024-09-02 Sahara Ali , Omar Faruque , Jianwu Wang

In this paper, we study the impact of the existence of multiple IRSs in a homogeneous wireless network, in which all BSs, users (U), and IRSs are spatially distributed by an independent homogeneous PPP, with density $\lambda_{{\rm…

Caching at base stations (BSs) is a promising approach for supporting the tremendous traffic growth of content delivery over future small-cell wireless networks with limited backhaul. This paper considers exploiting spatial caching…

信号处理 · 电气工程与系统科学 2018-08-09 Wei Han , An Liu , Wei Yu , Vincent K. N. Lau

Interference between nodes is a critical impairment in mobile ad hoc networks (MANETs). This paper studies the role of multiple antennas in mitigating such interference. Specifically, a network is studied in which receivers apply…

信息论 · 计算机科学 2012-08-27 Kaibin Huang , Jeffrey G. Andrews , Dongning Guo , Robert W. Heath, , Randall A. Berry

Future mobile networks are converging toward heterogeneous multi-tier networks, where various classes of base stations (BS) are deployed based on user demand. So it is quite necessary to utilize the BSs resources rationally when BSs are…

信号处理 · 电气工程与系统科学 2018-02-28 Yuxuan Xie , Xuefei Zhang , Qimei Cui , Yanyan Lu

In this study, we explore integrated sensing and communication (ISAC) networks to strike a more effective balance between sensing and communication (S&C) performance at the network scale. We leverage stochastic geometry to analyze the S&C…

信息论 · 计算机科学 2024-01-11 Kaitao Meng , Christos Masouros , Guangji Chen , Fan Liu

Intelligent reflecting surfaces (IRSs) can be beneficial to both information and energy transfer, due to the gains achieved by their multiple elements. In this work, we deal with the impact of spatial correlation between the IRS elements,…

信息论 · 计算机科学 2021-06-10 Constantinos Psomas , Ioannis Krikidis

We consider a cellular network, where the uplink transmissions to a base station (BS) are interferenced by other devices, a condition that may occur, e.g., in cell-free networks or when using non-orthogonal multiple access (NOMA)…

信息论 · 计算机科学 2023-05-01 Stefano Tomasin , Raphael Hasler , Antonia M. Tulino , Matilde Sánchez-Fernández

Cloud radio networks coordinate transmission among base stations (BSs) to reduce the interference effects, particularly for the cell-edge users. In this paper, we analyze the performance of a cloud network with static clustering where…

信息论 · 计算机科学 2015-12-21 Sreejith T. Veetil , Kiran Kuchi , Radha Krishna Ganti

In this paper, we analyze a multiple-input multiple-output (MIMO) interference channel where nodes are randomly distributed on a plane as a spatial Poisson cluster point process. Each cluster uses interference alignment (IA) to suppress…

信息论 · 计算机科学 2012-07-20 Behrang Nosrat-Makouei , Radha Krishna Ganti , Jeffrey G. Andrews , Robert W. Heath

We study the performance of a phase-noise impaired double reconfigurable intelligent surface (RIS)-aided multiuser (MU) multiple-input single-output (MISO) system under spatial correlation at both RISs and base-station (BS). The downlink…

Interference between nodes directly limits the capacity of mobile ad hoc networks. This paper focuses on spatial interference cancelation with perfect channel state information (CSI), and analyzes the corresponding network capacity.…

信息论 · 计算机科学 2016-11-17 Kaibin Huang , Jeffrey G. Andrews , Robert W. Heath, , Dongning Guo , Randall A. Berry

We consider the detection of a correlated random process immersed in noise in a wireless sensor network. Each node has an individual energy constraint and the communication with the processing central units are affected by the path loss…

信息论 · 计算机科学 2015-09-15 Juan Augusto Maya , Cecilia G. Galarza , Leonardo Rey Vega

In this paper, we propose a series of novel coordination schemes for multi-cell downlink communication. Starting from full base station (BS) coordination, we first propose a fully-coordinated scheme to exploit beneficial effects of both…

信号处理 · 电气工程与系统科学 2019-01-15 Zhongxiang Wei , Christos Masouros , Kai-Kit Wong , Xin Kang

In this paper, we analyze the performance of cellular networks and study the optimal base station (BS) density to reduce the network power consumption. In contrast to previous works with similar purpose, we consider Poisson traffic for…

信息论 · 计算机科学 2015-06-24 Zheng Chen , Ling Qiu

Capable of significantly reducing cell size and enhancing spatial reuse, network densification is shown to be one of the most dominant approaches to expand network capacity. Due to the scarcity of available spectrum resources, nevertheless,…

信息论 · 计算机科学 2017-07-04 Junyu Liu , Min Sheng , Kan Wang , Jiandong Li

This paper studies the impact of interference asynchrony among different links in a wireless network. Without deliberate coordination and cooperation among the active links, there is a naturally occurring misalignment between the symbols of…

网络与互联网体系结构 · 计算机科学 2009-10-13 Shengli Zhang , Soung-Chang Liew , Lu Lu , Hui Wang