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Spectrum sharing backscatter communication systems are among the most prominent technologies for ultralow power and spectrum efficient communications. In this paper, we propose an underlay spectrum sharing backscatter communication system,…

信息论 · 计算机科学 2021-01-27 Yazan H. Al-Badarneh , Ahmed Elzanaty , Mohamed-Slim Alouini

Semi-structured networks (SSNs) merge the structures familiar from additive models with deep neural networks, allowing the modeling of interpretable partial feature effects while capturing higher-order non-linearities at the same time. A…

机器学习 · 计算机科学 2024-10-15 David Rügamer , Bernard X. W. Liew , Zainab Altai , Almond Stöcker

In this paper, the feasibility of adopting an intelligent reflective surface (IRS) in a cell-free wireless communication system is studied. The received signal-to-noise ratio (SNR) for this IRS-enabled cell-free set-up is optimized by…

信号处理 · 电气工程与系统科学 2021-09-28 Diluka Loku Galappaththige , Dhanushka Kudathanthirige , Gayan Amarasuriya

Due to the limited number of bits in floating-point or fixed-point arithmetic, rounding is a necessary step in many computations. Although rounding methods can be tailored for different applications, round-off errors are generally…

数值分析 · 数学 2020-06-02 Lu Xia , Martijn Anthonissen , Michiel Hochstenbach , Barry Koren

This tutorial is intended as an accessible but rigorous first reference for someone interested in learning how to model and analyze cellular network performance using stochastic geometry. In particular, we focus on computing the…

信息论 · 计算机科学 2016-10-06 Jeffrey G. Andrews , Abhishek K. Gupta , Harpreet S. Dhillon

This paper studies the coordinated beamforming (CoBF) design for the multiple-input single-output interference channel, provided that only channel distribution information is known to the transmitters. The problem under consideration is a…

信息论 · 计算机科学 2023-07-19 Wei-Chiang Li , Tsung-Hui Chang , Chong-Yung Chi

The previous link adaptation algorithms on ofdm based systems use equal modulation order for all sub carrier index within a block. For multimedia transmission using ofdm as the modulation technique, unequal constellation is used within one…

其他计算机科学 · 计算机科学 2010-02-08 R. Sandanalakshmi , Athilakshmi , K. Manivannan

A rapid change of channels in high-speed mobile communications will lead to difficulties in channel estimation and tracking but can also provide Doppler diversity. In this paper, the performance of a multiple-input multiple-output system…

信息论 · 计算机科学 2020-02-19 Xiaoyun Hou , Jie Ling , Dongming Wang

Mitigating intercell interference by employing fractional frequency reuse algorithms is one of the important approaches to improving user performance in 5G and Beyond 5G cellular network systems, which typically have a high density of Base…

信息论 · 计算机科学 2025-10-22 Bach Hung Luu , Samuel Harry Gardner , Sinh Cong Lam , Trong Minh Hoang

In this paper, a hybrid IRS-aided amplify-and-forward (AF) relay wireless network is put forward, where the hybrid IRS is made up of passive and active elements. For maximum signal-to-noise ratio (SNR), a low-complexity method based on…

信息论 · 计算机科学 2023-11-27 Xuehui Wang , Yifan Zhao , Feng Shu , Yan Wang

In this paper, we obtain various series and asymptotic expansions involving the modified Bessel function of the second kind for the normal inverse Gaussian cumulative distribution function. The new expansions accelerate computations,…

数值分析 · 数学 2025-02-25 Guillermo Navas-Palencia

We study the performance of a selection combining (SC) receiver operating over independent but non-identically distributed log-logistic ($\mathcal{LL})$ fading channels. We first characterize the statistics of the output instantaneous…

信息论 · 计算机科学 2023-06-06 Yazan H. Al-Badarneh , Mustafa K. Alshawaqfeh , Osamah S. Badarneh

In this paper we study fractional powers of the Bessel differential operator defined on a semiaxis. Some important properties of such fractional powers of the Bessel differential operator are proved. They include connections with Legendre…

经典分析与常微分方程 · 数学 2018-06-04 S. M. Sitnik , E. L. Shishkina

In this work, a novel superimposed pilot scheme, named superimposed cross-pilots, is proposed for fractional parameter estimation in multi-antenna orthogonal time frequency space (OTFS) receivers. Assuming a large uniform linear array (ULA)…

信号处理 · 电气工程与系统科学 2026-05-05 Mauro Marchese , Pietro Savazzi

Finite-size scaling (FSS) is applied to net-baryon cumulant ratios $C_2/C_1$, $C_3/C_2$, $C_4/C_2$, $C_3/C_1$, and $C_4/C_1$ measured in Au+Au collisions over the Beam Energy Scan Phase~I range $\sqrt{s_{NN}}=7.7$--$200$~GeV to constrain…

核实验 · 物理学 2026-03-31 Roy A. Lacey

Wireless sensing has been recognized as a key enabling technology for numerous emerging applications. For decades, the sensing performance was mostly evaluated from a reliability perspective, with the efficiency aspect widely unexplored.…

信号处理 · 电气工程与系统科学 2023-06-13 Fuwang Dong , Fan Liu , Shihang Lu , Yifeng Xiong

This paper introduces a new kind of seasonal fractional autoregressive process (SFAR) driven by fractional Gaussian noise (fGn). The new model includes a standard seasonal AR model and fGn. {The estimation of the parameters of this new…

应用统计 · 统计学 2025-04-01 Chunhao Cai , Yiwu Shang

This letter proposes a novel mathematical framework for the statistical characterization of reconfigurable intelligent surface (RIS)-mounted high-altitude platform station (HAPS)-assisted MIMO systems over cascaded Rician fading channels.…

信号处理 · 电气工程与系统科学 2026-04-29 Tayfun Yilmaz , Haci Ilhan , Ali Gorcin , Halim Yanikomeroglu

The increasing demand for data usage in wireless communications requires using wider bands in the spectrum, especially for backhaul links. Yet, allocations in the spectrum for non-communication systems inhibit merging bands to achieve wider…

机器学习 · 计算机科学 2024-11-19 Kürşat Tekbıyık , Güneş Karabulut Kurt , Antoine Lesage-Landry

We explore the SNR-optimal relay functionality in a \emph{memoryless} relay network, i.e. a network where, during each channel use, the signal transmitted by a relay depends only on the last received symbol at that relay. We develop a…

信息论 · 计算机科学 2007-07-13 Krishna Srikanth Gomadam , Syed Ali Jafar