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Heterogeneous networks are a flexible deployment model that rely on low power nodes to improve the user broadband experience in a cost effective manner. Femtocells are an integral part of heterogeneous networks, whose main purpose is to…

信息论 · 计算机科学 2015-03-17 Salam Akoum , Marios Kountouris , Robert W. Heath

Recently, low light level charge coupled devices (L3CCDs) capable of on-chip gain have been developed, leading to sub-electron effective readout noise, allowing for the detection of single photon events. Optical interferometry usually…

天体物理学 · 物理学 2009-11-10 A. G. Basden , C. A. Haniff

Although interference alignment (IA) can theoretically achieve the optimal degrees of freedom (DoFs) in the $K$-user Gaussian interference channel, its direct application comes at the prohibitive cost of precoding over exponentially-many…

信息论 · 计算机科学 2014-08-01 Vasilis Ntranos , Mohammad Ali Maddah-Ali , Giuseppe Caire

Arc-fault circuit interrupters (AFCIs) are essential for mitigating fire hazards in residential photovoltaic (PV) systems, yet achieving reliable DC arc-fault detection under real-world conditions remains challenging. Spectral interference…

信号处理 · 电气工程与系统科学 2026-04-16 Xiaoke Yang , Long Gao , Haoyu He , Hanyuan Hang , Qi Liu , Shuai Zhao , Qiantu Tuo , Rui Li

In this work, we assess the viability of heterogeneous networks composed of legacy macrocells which are underlaid with self-organizing picocells. Aiming to improve coverage, cell-edge throughput and overall system capacity, self-organizing…

网络与互联网体系结构 · 计算机科学 2013-01-17 Carlos H. M. de Lima , Mehdi Bennis , Matti Latva-aho

Automation in optical microscopy is critical for enabling high-throughput imaging across a wide range of biomedical applications. Among the essential components of automated systems, robust autofocusing plays a pivotal role in maintaining…

The coming extension of cellular technology to base-stations in low-earth orbit (LEO) requires a fresh look at terrestrial 3GPP channel models. Relative to such models, sky-to-ground cellular channels will exhibit less diffraction, deeper…

信号处理 · 电气工程与系统科学 2021-07-30 Eunsun Kim , Ian P. Roberts , Peter A. Iannucci , Jeffrey G. Andrews

Due to the increased usage of spectrum caused by the exponential growth of wireless devices, detecting and avoiding interference has become an increasingly relevant problem to ensure uninterrupted wireless communications. In this paper, we…

网络与互联网体系结构 · 计算机科学 2023-01-24 Clifton Paul Robinson , Daniel Uvaydov , Salvatore D'Oro , Tommaso Melodia

Interference minimization problem in wireless sensor and ad-hoc networks is considered. That is to assign a transmission power to each node of a network such that the network is connected and at the same time the maximum of accumulated…

数据结构与算法 · 计算机科学 2011-07-22 Hakob Aslanyan

Low probability of detection (LPD) has recently emerged as a means to enhance the privacy and security of wireless networks. Unlike existing wireless security techniques, LPD measures aim to conceal the entire existence of wireless…

机器学习 · 计算机科学 2023-06-05 Sivaram Krishnan , Jihong Park , Subhash Sagar , Gregory Sherman , Benjamin Campbell , Jinho Choi

In the Fourier domain, luminance information is primarily encoded in the amplitude spectrum, while spatial structures are captured in the phase components. The traditional Fourier Frequency information fitting employs pixel-wise loss…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Yan Xingyang , Huang Xiaohong , Zhang Zhao , You Tian , Xu Ziheng

We report an experiment of observation of classical double-slit interference fringes of two-photon interference. In the experiment, a commercial continuous-wave multi-mode F-P laser diode without either mode-locked or frequency-locked is…

量子物理 · 物理学 2024-02-26 Hongmin Liu

Low-light image enhancement (LLIE) aims at improving the perception or interpretability of an image captured in an environment with poor illumination. With the advent of deep learning, the LLIE technique has achieved significant…

图像与视频处理 · 电气工程与系统科学 2025-10-28 Yunhong Tao , Wenbing Tao , Xiang Xiang

With the rapidly increasing number of deployed LTE femtocell base stations (FBS), energy consumption of femtocell networks has become a serious environmental issue. Therefore, energy-efficient protocols are needed to balance the trade-off…

网络与互联网体系结构 · 计算机科学 2015-08-07 Ying Wang , Xiangming Dai , Jason Min Wang , Brahim Bensaou

A memoryless interference network model is introduced that is based on non-linear phenomena observed when transmitting information over optical fiber using wavelength division multiplexing. The main characteristic of the model is that…

信息论 · 计算机科学 2010-05-04 Hassan Ghozlan , Gerhard Kramer

The backhaul of hundreds of light fidelity (LiFi) base stations (BSs) constitutes a major challenge. Indoor wireless optical backhauling is a novel approach whereby the interconnections between adjacent LiFi BSs are provided by way of…

信息论 · 计算机科学 2019-07-16 Hossein Kazemi , Majid Safari , Harald Haas

Sharing global channel information at base stations (BSs) is commonly assumed for downlink multi-cell precoding. In the context of massive multi-input multi-output (MIMO) systems where each BS is equipped with a large number of antennas,…

信息论 · 计算机科学 2014-11-18 Liangbin Li , Alexei Ashikhmin , Thomas Marzetta

Distributed machine learning (ML) over wireless networks hinges on accurate channel state information (CSI) and efficient exchange of high-dimensional model updates. These demands are governed by channel coherence time and bandwidth, which…

信息论 · 计算机科学 2026-03-10 Mehdi Karbalayghareh , David J. Love , Christopher G. Brinton

While two-photon Hong-Ou-Mandel interference visibility has become a standard metric for single-photon sources, many optical quantum technologies require the generation and manipulation of larger photonic states. To date, efficiency…

Interference alignment (IA) techniques mostly attain their degrees of freedom (DoF) benefits as the number of channel extensions tends to infinity. Intuitively, the more interfering signals that need to be aligned, the larger the number of…

信息论 · 计算机科学 2016-06-08 Zainalabedin Samadi , Vahid Tabataba Vakily , Farzan Haddadi