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相关论文: Antenna array geometry and coding performance

200 篇论文

A finite blocklenth analysis of the diversity-multiplexing tradeoff is presented, based on nonasymptotic bounds on the maximum channel coding rate of multiple-antenna block-memoryless Rayleigh-fading channels.The bounds in this paper allow…

信息论 · 计算机科学 2016-11-17 Johan Östman , Wei Yang , Giuseppe Durisi , Tobias Koch

Performance of reliable communication over a coherent slow fading channel at high SNR is succinctly captured as a fundamental tradeoff between diversity and multiplexing gains. We study the problem of designing codes that optimally tradeoff…

信息论 · 计算机科学 2007-07-13 Saurabha Tavildar , Pramod Viswanath

Millimeter wave (mm-wave) communications is considered a promising technology for 5G networks. Exploiting beamforming gains with large-scale antenna arrays to combat the increased path loss at mm-wave bands is one of its defining features.…

信息论 · 计算机科学 2017-04-21 Xianghao Yu , Jun Zhang , Martin Haenggi , Khaled B. Letaief

The design of block codes for short information blocks (e.g., a thousand or less information bits) is an open research problem that is gaining relevance thanks to emerging applications in wireless communication networks. In this paper, we…

The next generation of cellular networks (5G) will exploit the mmWave spectrum to increase the available capacity. Communication at such high frequencies, however, suffers from high path loss and blockage, therefore directional…

网络与互联网体系结构 · 计算机科学 2019-11-11 Mattia Rebato , Michele Polese , Michele Zorzi

Most propagation models do not consider the influence of antenna patterns on the parameters and characteristics of received signals. This assumption is equivalent to the use of isotropic or omnidirectional antennas in these models.…

信号处理 · 电气工程与系统科学 2025-03-25 Jan M. Kelner , Cezary Ziolkowski

This paper derives the outage probability and transmission capacity of ad hoc wireless networks with nodes employing multiple antenna diversity techniques, for a general class of signal distributions. This analysis allows system performance…

信息论 · 计算机科学 2016-11-15 Andrew M. Hunter , Jeffrey G. Andrews , Steven Weber

The analysis of wireless communication channels at the mmWave, sub-THz and THz bands gives rise to difficulties in the construction of antenna arrays due to the small maximum inter-element spacing constraints at these frequencies. Arrays…

信号处理 · 电气工程与系统科学 2024-03-27 Marc Miranda , Sebastian Semper , Michael Döbereiner , Reiner Thomä

With the increasingly new ultra wide-band applications, antenna researchers face huge challenges in designing novel operational geometries. Mono-pole and quasi-mono-pole antennas are seen to be the most compact and easily incorporate able…

光学 · 物理学 2016-11-17 Ahmed Toaha Mobashsher , Amin Abbosh

This paper presents the design and implementation of a compact, cost-effective phased array antenna system. It is capable of real-time beam-steering for dynamic target-tracking applications. The system employs a 4$\times$4 rectangular…

系统与控制 · 电气工程与系统科学 2025-08-29 Adham Saad , Aya Sherif Nassef , Mahmoud Mohamed Elshahed , Mohamed Ismail Ahmed

Fluid antenna (FA) array is envisioned as a promising technology for next-generation communication systems, owing to its ability to dynamically control the antenna locations. In this paper, we apply FA array to boost the performance of…

信号处理 · 电气工程与系统科学 2025-04-24 Saeid Pakravan , Mohsen Ahmadzadeh , Ming Zeng , Ghosheh Abed Hodtani , Jean-Yves Chouinard , Leslie A Rusch

In this paper, we study the influence of the radius of a cylindrical supporting structure on radiation properties of a conformal millimeter-wave antenna array. Bent antenna array structures on cylindrical surfaces may have important…

仪器与探测器 · 物理学 2015-02-27 V. Semkin , A. Bisognin , M. Kyro , V-M. Kolmonen , C. Luxey , F. Ferrero , F. Devillers , A. V. Raisanen

A typical antenna optimization design problem is presented, and various issues involved in the design process are discussed. Defining a suitable objective function is a central question, as is the type of optimization algorithm that should…

最优化与控制 · 数学 2011-04-12 Richard A. Formato

In this paper, we investigate the design of artificial-noise-aided secure multi-antenna transmission in slow fading channels. The primary design concerns include the transmit power allocation and the rate parameters of the wiretap code. We…

信息论 · 计算机科学 2016-11-17 Xi Zhang , Xiangyun Zhou , Matthew R. McKay

In recent years, there has been a strong interest in measuring the available bandwidth of network paths. Several methods and techniques have been proposed and various measurement tools have been developed and evaluated. However, there have…

网络与互联网体系结构 · 计算机科学 2007-06-28 Ahmed Ait Ali , Fabien Michaut , Francis Lepage

In this paper we propose constellations with suitable structure which allow one to construct codes with excellent diversity using geometrical symmetry and numerical methods. We also demonstrate how these structured constellations…

最优化与控制 · 数学 2007-05-23 Guangyue Han , Joachim Rosenthal

Large antenna arrays can be used to generate highly focused beams that support very high data rates and reduced energy consumption. However, optimal beam focusing requires large amount of feedback from the users in order to choose the best…

信息论 · 计算机科学 2015-10-06 Abdoulaye Tall , Zwi Altman , Eitan Altman

Flexible antenna arrays (FAAs), distinguished by their rotatable, bendable, and foldable properties, are extensively employed in flexible radio systems to achieve customized radiation patterns. This paper aims to illustrate that FAAs,…

信号处理 · 电气工程与系统科学 2025-04-01 Songjie Yang , Jiancheng An , Yue Xiu , Wanting Lyu , Boyu Ning , Zhongpei Zhang , Merouane Debbah , Chau Yuen

A method for accurate modeling of a reflector antenna system with a wideband phased array feed is presented and used to study the effects of the number of active antenna elements and associated receiving channels on the receiving…

天体物理仪器与方法 · 物理学 2016-02-16 O. Iupikov

Since the discovery of turbo codes 20 years ago and the subsequent re-discovery of low-density parity-check codes a few years later, the field of channel coding has experienced a number of major advances. Up until that time, code designers…