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相关论文: Exploring Symmetry in Wireless Propagation Channel…

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This study investigates signal transmission within a shared spectrum, focusing on measurements conducted both in laboratory and outdoor environments. The objective was to demonstrate how laboratory objects obstructing the line of sight can…

软件工程 · 计算机科学 2025-09-19 Andrei-Raoul Morariu , Andreas Strandberg , Bogdan Iancu , Jerker Bjorkqvist

Various disasters stem from minor perturbations, such as the spread of infectious diseases, cascading failure in power grids, etc. Analyzing perturbations is crucial for both theoretical and application fields. Previous researchers have…

物理与社会 · 物理学 2023-10-10 Qitong Hu , Xiao-Dong Zhang

The future of mobile communications looks exciting with the potential new use cases and challenging requirements of future 6th generation (6G) and beyond wireless networks. Since the beginning of the modern era of wireless communications,…

信号处理 · 电气工程与系统科学 2019-07-23 Ertugrul Basar , Marco Di Renzo , Julien de Rosny , Merouane Debbah , Mohamed-Slim Alouini , Rui Zhang

Non-Terrestrial Networks are going to play an important role in future 6G wireless networks to enhance global connectivity a performance in cooperation with terrestrial networks. In order to properly design and deploy non-terrestrial…

信号处理 · 电气工程与系统科学 2024-02-21 N. Cenni , V. Degli-Esposti , E. M. Vitucci , F. Fuschini , M. Barbiroli

Critical transmission ranges (or radii) in wireless ad-hoc and sensor networks have been extensively investigated for various performance metrics such as connectivity, coverage, power assignment and energy consumption. However, the regions…

信息论 · 计算机科学 2022-02-24 Jie Ding , Shuai Ma , Xin-Shan Zhu

In conventional communication systems, any interference between two communicating points is regarded as unwanted noise since it distorts the received signals. On the other hand, allowing simultaneous transmission and intentionally accepting…

信息论 · 计算机科学 2022-08-02 Ufuk Altun , Gunes Karabulut Kurt , Enver Ozdemir

Reciprocity is a fundamental principle of wave physics and directly relates to the symmetry in the transmission through a system when interchanging the input and output. The coherent transmission matrix (TM) is a convenient method to…

光学 · 物理学 2020-10-08 Szu-Yu Lee , Vicente J. Parot , Brett E. Bouma , Martin Villiger

In this paper, we discuss resource sharing, a key dimension in mmWave network design in which spectrum, access and/or network infrastructure resources can be shared by multiple operators. It is argued that this sharing paradigm will be…

信息论 · 计算机科学 2018-05-14 Mattia Rebato , Marco Mezzavilla , Sundeep Rangan , Michele Zorzi

Recent research has demonstrated the importance of boundary effects on the overall connection probability of wireless networks, but has largely focused on convex domains. We consider two generic scenarios of practical importance to wireless…

信息论 · 计算机科学 2014-03-06 Mohammud Z. Bocus , Carl P. Dettmann , Justin P. Coon , Mohammed R. Rahman

Location information is often used as a proxy to guarantee the performance of a wireless communication link. However, localization errors can result in a significant mismatch with the guarantees, particularly detrimental to users operating…

Wave propagation through waveguides, quantum wires or films with a modest amount of disorder is in the semi-ballistic regime when in the transversal direction(s) almost no scattering occurs, while in the long direction(s) there is so much…

凝聚态物理 · 物理学 2009-10-28 A. Mosk , Th. M. Nieuwenhuizen , C. Barnes

Channel uncertainty and co-channel interference are two major challenges in the design of wireless systems such as future generation cellular networks. This paper studies receiver design for a wireless channel model with both time-varying…

信息论 · 计算机科学 2009-10-15 Yan Zhu , Dongning Guo , Michael L. Honig

Location information is often used as a proxy to infer the performance of a wireless communication link. Using a very simple model, this letter unveils a basic statistical relation between the location estimation uncertainty and wireless…

One of the most critical aspects of enabling next-generation wireless technologies is developing an accurate and consistent channel model to be validated effectively with the help of real-world measurements. From this point of view,…

信号处理 · 电气工程与系统科学 2022-01-19 Ibrahim Yildirim , Ertugrul Basar

Diffusion rates through a membrane can be asymmetric, if the diffusing particles are spatially extended and the pores in the membrane have asymmetric structure. This phenomenon is demonstrated here via a deterministic simulation of a…

统计力学 · 物理学 2007-05-23 Norman Packard , Rob Shaw

In these last years, many studies have focalized on the design of reliable underwater acoustic communication systems. However, the ocean acoustic communication channel exhibits strong amplitude and phase fluctuations and the phenomena of…

信号处理 · 电气工程与系统科学 2019-07-16 Yasin Yousif Al-Aboosi , Hussein A. Abdulnabi

Base station (BS) cooperative transmission can improve the spectrum efficiency of cellular systems, whereas using which the channels will become asymmetry. In this paper, we study the impact of the asymmetry on the performance of channel…

信息论 · 计算机科学 2010-06-22 Xueying Hou , Chenyang Yang , Buon Kiong , Lau

The theoretical analysis of downlink massive MIMO usually assumes the ideal Gaussian channel matrix with asymp- totic orthogonality of channel vectors associated with different users, since it can provide the favorable propagation…

信息论 · 计算机科学 2015-11-30 Zhen Gao , Linglong Dai , Chau Yuen , Zhaocheng Wang

Wireless sensor networks are an important technology for making distributed autonomous measures in hostile or inaccessible environments. Among the challenges they pose, the way data travel among them is a relevant issue since their…

数据分析、统计与概率 · 物理学 2013-08-15 Raquel S. Cabral , Andre L. L. Aquino , Alejandro C. Frery , Osvaldo A. Rosso , Jaime A. Ramírez

High speed wireless access on 60 GHz spectrum relies on high-gain directional antennas to overcome the severe signal attenuation. However, perfect alignment between transmitting and receiving antenna beams is rare in practice and overheard…

信息论 · 计算机科学 2016-11-24 Guang Yang , Jinfeng Du , Ming Xiao