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In this paper, we analyse the joint impact of pathloss, shadowing and fast fading on wireless networks. Taking into account the pathloss and the shadowing, we first express the SINR distribution of a mobile located at a given distance from…

网络与互联网体系结构 · 计算机科学 2010-01-08 Jean-Marc Kelif , Marceau Coupechoux

Recent research investigates the decode-and-forward (DF) relaying for mixed radio frequency (RF) and terahertz (THz) wireless links with zero-boresight pointing errors. In this letter, we analyze the performance of a fixed-gain…

信息论 · 计算机科学 2021-12-06 Pranay Bhardwaj , S. M. Zafaruddin

The parallel fading channel, which consists of finite number of subchannels, is very important, because it can be used to formulate many practical communication systems. The outage probability, on the other hand, is widely used to analyze…

信息论 · 计算机科学 2013-07-19 Bo Bai , Wei Chen , Khaled B. Letaief , Zhigang Cao

This paper proposes to unify fading distributions by modeling the magnitude-squared of the instantaneous channel gain as an infinitely divisible random variable. A random variable is said to be infinitely divisible, if it can be written as…

信息论 · 计算机科学 2015-08-21 Adithya Rajan , Cihan Tepedelenlioglu , Ruochen Zeng

In emergency wireless communications (EWC) scenarios, ensuring reliable, flexible, and high-rate transmission while simultaneously maintaining seamless coverage and rapid response capabilities presents a critical technical challenge. To…

信号处理 · 电气工程与系统科学 2025-10-09 Yinong Chen , Wenchi Cheng , Jingqing Wang , Xiao Zheng , Jiangzhou Wang

In this paper, we focus on the coverage probability of a double-intelligent reflecting surface (IRS) assisted wireless network and study the impact of multiplicative beamforming gain and correlated Rayleigh fading. In particular, we obtain…

In this paper, we propose a novel method for frequency modulated continuous wave (FMCW) radar mutual interference mitigation (IM) based on the discrete fractional Fourier transform (DFrFT). Interference chirps are detected and mitigated by…

信号处理 · 电气工程与系统科学 2026-04-30 Christian Oswald , Franz Pernkopf

In this paper, we analyze the performance of cognitive radio (CR) systems over different composite generalized multipath /shadowed fading scenarios. The \k{appa}-{\mu} shadowed and Fisher-Snedecor F fading channels which are proposed as a…

信息论 · 计算机科学 2018-07-27 Hussien Al-Hmood

In this work, the performance analysis of a dual-hop relay transmission system composed of asymmetric radio-frequency (RF)/free-space optical (FSO) links with pointing errors is presented. More specifically, we build on the system model…

信息论 · 计算机科学 2013-02-19 Imran Shafique Ansari , Ferkan Yilmaz , Mohamed-Slim Alouini

This paper proposes to leverage intelligent reflecting surface (IRS) backscatter to realize radio-frequency-chain-free uplink-transmissions (RFCF-UT). In this communication paradigm, IRS works as an information carrier, whose elements are…

信号处理 · 电气工程与系统科学 2022-07-22 Sai Xu , Yanan Du , Jiliang Zhang , Jiangzhou Wang , Jie Zhang

The outage performance of multiple-input multiple-output (MIMO) technique has received intensive attention to meet the stringent requirement of reliable communications for 5G applications, e.g., mission-critical machine-type communication…

信息论 · 计算机科学 2022-09-28 Huan Zhang , Guanghua Yang , Zheng Shi , Shaodan Ma , Hong Wang

3D Gaussian Splatting (3DGS) has demonstrated impressive capabilities in novel view synthesis. However, rendering reflective objects remains a significant challenge, particularly in inverse rendering and relighting. We introduce RTR-GS, a…

图形学 · 计算机科学 2025-12-17 Yongyang Zhou , Fang-Lue Zhang , Zichen Wang , Lei Zhang

Unified exact average capacity results for L-branch coherent diversity receivers including equal-gain combining (EGC) and maximal-ratio combining (MRC) are not known. This paper develops a novel generic framework for the capacity analysis…

信息论 · 计算机科学 2010-12-14 Ferkan Yilmaz , Mohamed-Slim Alouini

This paper presents the index modulation, that is, the space-shift keying (SSK) and reflection phase modulation (RPM) schemes for intelligent reflecting surface (IRS)-assisted wireless network. IRS simultaneously reflects the incoming…

信息论 · 计算机科学 2024-04-11 Harsh Raj , Ugrasen Singh , B. R. Manoj

In this paper, a study on the end-to-end performance of dual-hop wireless communication systems equipped with fixed-gain relays and operating over Generalized-Gamma (GG) fading channels is presented. A novel closed form expression for the…

其他计算机科学 · 计算机科学 2010-03-10 K. P. Peppas , A. Mansour , G. S. Tombras

Optical wireless communication (OWC) over atmospheric turbulence and pointing errors is a well-studied topic. Still, there is limited research on signal fading due to random fog in an outdoor environment for terrestrial wireless…

信息论 · 计算机科学 2021-12-28 Ziyaur Rahman , Tejas Nimish Shah , S. M. Zafaruddin , V. K. Chaubey

This paper studies an Internet-of-Things (IoT) network employing a reconfigurable intelligent surface (RIS) over generalized fading channels. Inspired by the promising potential of RIS-based transmission, we investigate a RIS-enabled IoT…

信号处理 · 电气工程与系统科学 2019-12-16 Abubakar U. Makarfi , Khaled M. Rabie , Omprakash Kaiwartya , Osamah S. Badarneh , Xingwang Li , Rupak Kharel

This letter analyses the effective capacity of communications system using unified models. In order to obtain a simple closed-form mathematically tractable expression, two different unified approximate models have been used. The mixture…

信息论 · 计算机科学 2018-04-26 H. Al-Hmood , H. S. Al-Raweshidy

Intelligent reflecting surface (IRS) is a promising solution to build a programmable wireless environment for future communication systems. In practice, an IRS consists of massive low-cost elements, which can steer the incident signal in…

信号处理 · 电气工程与系统科学 2019-05-31 Huayan Guo , Ying-Chang Liang , Jie Chen , Erik G. Larsson

This work is devoted to the formulation and derivation of the $\kappa-\mu$/gamma distribution which corresponds to A physical fading model. This distribution is composite and is based on the well known $\kappa-\mu$ generalized multipath…

信息论 · 计算机科学 2015-05-19 Paschalis C. Sofotasios , Steven Freear