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Related papers: Distance Distributions for Real Cellular Networks

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In this paper, we propose a new six-dimensional (6D) movable antenna (6DMA) system for future wireless networks to improve the communication performance. Unlike the traditional fixed-position antenna (FPA) and existing fluid…

Information Theory · Computer Science 2024-04-02 Xiaodan Shao , Qijun Jiang , Rui Zhang

We consider a wireless network comprising $n$ nodes located within a circular area of radius $R$, which are participating in a decentralized learning algorithm to optimize a global objective function using their local datasets. To enable…

Information Theory · Computer Science 2020-02-12 Navid Naderializadeh

Consider a fading Gaussian MIMO channel with $N_\mathrm{t}$ transmit and $N_\mathrm{r}$ receive antennas. The transmitter selects $L_\mathrm{t}$ antennas corresponding to the strongest channels. For this setup, we study the distribution of…

Information Theory · Computer Science 2017-04-28 Saba Asaad , Ali Bereyhi , Ralf R. Müller , Amir M. Rabiei

We obtain the distance between the exact and approximate distributions of partial maxima of a random sample under power normalization. It is observed that the Hellinger distance and variational distance between the exact and approximate…

Probability · Mathematics 2016-01-07 Attahalli Shivanarayanaprasad Praveena , Sreenivasan Ravi

Distance queries are a basic tool in data analysis. They are used for detection and localization of change for the purpose of anomaly detection, monitoring, or planning. Distance queries are particularly useful when data sets such as…

Data Structures and Algorithms · Computer Science 2015-03-20 Edith Cohen

We first review the derivation of the exact expression for the average distance $<r_n>$ of the n-th neighbour of a reference point among a set of N random points distributed uniformly in a unit volume of a D-dimensional geometric space.…

Statistical Mechanics · Physics 2007-05-23 Pratip Bhattacharyya , Bikas K. Chakrabarti , Anirban Chakraborti

In this paper, we present a novel method for a base station (BS) to estimate the total downlink interference power received by any given mobile receiver, without information feedback from the user or information exchange between…

Networking and Internet Architecture · Computer Science 2016-11-18 Siyi Wang , Weisi Guo , Mark D. McDonnell

In this paper, we show that the halfspace depth random variable for samples from a univariate distribution with a notion of center is distributed as a uniform distribution on the interval [0,1/2]. The simplicial depth random variable has a…

Methodology · Statistics 2023-04-27 Rui Ding

Six-dimensional movable antenna (6DMA) is an effective approach to improve wireless network capacity by adjusting the 3D positions and 3D rotations of distributed antenna surfaces based on the users' spatial distribution and statistical…

Information Theory · Computer Science 2024-03-27 Xiaodan Shao , Rui Zhang , Qijun Jiang , Robert Schober

This paper focuses at the investigation of the degree of orthogonality of channels of multiple users in densely populated indoor and outdoor scenarios. For this purpose, a statistical millimeter wave (mmwave) MIMO channel simulator is…

Information Theory · Computer Science 2016-11-29 Geamel Alyami , Ivica Kostanic

Recent mobile equipment (as well as the norm IEEE 802.21) now offers the possibility for users to switch from one technology to another (vertical handover). This allows flexibility in resource assignments and, consequently, increases the…

Computer Science and Game Theory · Computer Science 2009-09-07 Pierre Coucheney , Corinne Touati , Bruno Gaujal

Large-scale fading (LSF) between interacting nodes is a fundamental element in radio communications, responsible for weakening the propagation, and thus worsening the service quality. Given the importance of channel-losses in general, and…

Information Theory · Computer Science 2014-12-30 Mouhamed Abdulla , Yousef R. Shayan

We give exact relations which are valid for small-world networks (SWN's) with a general `degree distribution', i.e the distribution of nearest-neighbor connections. For the original SWN model, we illustrate how these exact relations can be…

Disordered Systems and Neural Networks · Physics 2009-11-07 E. Almaas , R. V. Kulkarni , D. Stroud

Channel allocation is the task of assigning channels to users such that some objective (e.g., sum-rate) is maximized. In centralized networks such as cellular networks, this task is carried by the base station which gathers the channel…

Information Theory · Computer Science 2019-12-05 S. M. Zafaruddin , Ilai Bistritz , Amir Leshem , Dusit Niyato

Millimeter wave (mmWave) has attracted considerable attention due to its wide bandwidth and high frequency. However, it is highly susceptible to blockages, resulting in significant degradation of the coverage and the sum rate. A promising…

Information Theory · Computer Science 2024-04-10 Yuan Xu , Li Wei , Chongwen Huang , Yongxu Zhu , Zhaohui Yang , Jun Yang , Jiguang He , Zhaoyang Zhang , Mérouane Debbah

We propose a redshift estimator for the long ($T_{90} > 20$) gamma-ray bursts (GRBs) observed by the BATSE. It is based on an empirical relation between the redshift and the power-law index of power density spectra (PDSs) of the observed…

Astrophysics · Physics 2007-05-23 Heon-Young Chang , Suk-Jin Yoon , Chul-Sung Choi

Stochastic geometry (SG) has been successfully used as a modelling tool for cellular networks to characterize the coverage probability in both the downlink (DL) and uplink (UL) systems, under the assumption that the base stations (BS) are…

Networking and Internet Architecture · Computer Science 2021-09-30 Hamed Nassar , Gehad Taher , El-Sayed El-Hady

We demonstrate entanglement distribution between two remote quantum nodes located 3 meters apart. This distribution involves the asynchronous preparation of two pairs of atomic memories and the coherent mapping of stored atomic states into…

A novel stochastic geometry framework is proposed in this paper to study the downlink coverage performance in a millimeter wave (mmWave) cellular network by jointly considering the polar coordinates of the Base Stations (BSs) with respect…

Information Theory · Computer Science 2024-04-04 Harris K. Armeniakos , Athanasios G. Kanatas , Harpreet S. Dhillon

Many natural fibrous networks with fiber diameters much smaller than the average poresize can be described as three-dimensional (3D) random line networks. We consider here a `Mikado' model for such systems, consisting of straight line…

Quantitative Methods · Quantitative Biology 2011-10-11 Claus Metzner , Patrick Krauss , Ben Fabry