中文
相关论文

相关论文: Satellite image data downlink scheduling problem w…

200 篇论文

The decentralized Federated Learning (FL) setting avoids the role of a potentially unreliable or untrustworthy central host by utilizing groups of clients to collaboratively train a model via localized training and model/gradient sharing.…

分布式、并行与集群计算 · 计算机科学 2022-10-26 Marco Bornstein , Tahseen Rabbani , Evan Wang , Amrit Singh Bedi , Furong Huang

Issues with tracking, precision pointing, and Doppler shift are the major sources of performance loss in laser inter-satellite communication that can severely decrease the coverage and overall performance of satellite constellations. As a…

信号处理 · 电气工程与系统科学 2021-12-30 Eylem Erdogan , Ibrahim Altunbas , Gunes Karabulut Kurt , Halim Yanikomeroglu

Systematics contaminate observables, leading to distribution shifts relative to theoretically simulated signals-posing a major challenge for using pre-trained models to label such observables. Since systematics are often poorly understood…

天体物理仪器与方法 · 物理学 2025-11-18 Sultan Hassan , Sambatra Andrianomena , Benjamin D. Wandelt

The emergence of bandwidth-intensive latency-critical traffic in 5G Networks, such as Virtual Reality, has motivated interest in wireless resource allocation problems for flows with hard-deadlines. Attempting to solve this problem brings…

网络与互联网体系结构 · 计算机科学 2020-02-18 Sherif ElAzzouni , Eylem Ekici , Ness Shroff

With the development of low earth orbit (LEO) satellites and unmanned aerial vehicles (UAVs), the space-air-ground integrated network (SAGIN) becomes a major trend in the next-generation networks. However, due to the instability of…

社会与信息网络 · 计算机科学 2025-06-19 Boran Wang , Ziye Jia , Can Cui , Qihui Wu

This paper presents a new method and a constraint-based objective function to solve two problems related to the design of optical telecommunication networks, namely the Synchronous Optical Network Ring Assignment Problem (SRAP) and the…

人工智能 · 计算机科学 2009-10-08 Marie Pelleau , Pascal Van Hentenryck , Charlotte Truchet

Machine learning algorithms typically assume that the training and test samples come from the same distributions, i.e., in-distribution. However, in open-world scenarios, streaming big data can be Out-Of-Distribution (OOD), rendering these…

机器学习 · 计算机科学 2022-11-10 Anique Tahir , Lu Cheng , Ruocheng Guo , Huan Liu

In recent years, semantic segmentation has flourished in various applications. However, the high computational cost remains a significant challenge that hinders its further adoption. The filter pruning method for structured network slimming…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Dongyue Wu , Zilin Guo , Li Yu , Nong Sang , Changxin Gao

Age of Information (AoI), measures the time elapsed since the last received information packet was generated at the source. We consider the problem of AoI minimization for single-hop flows in a wireless network, under pairwise interference…

信息论 · 计算机科学 2018-03-20 Rajat Talak , Sertac Karaman , Eytan Modiano

We present a unified receiver processing framework for communication over delay-scale (DS)-spread channels that arise in underwater acoustic (UWA) communications that addresses both channel estimation (CE) and data detection for different…

信号处理 · 电气工程与系统科学 2025-09-01 Niladri Halder , Chandra R. Murthy

In this report, we study the issue of delay optimization and energy efficiency in grid wireless sensor networks (WSNs). We focus on STDMA (Spatial Reuse TDMA)) scheduling, where a predefined cycle is repeated, and where each node has fixed…

网络与互联网体系结构 · 计算机科学 2014-09-02 Ichrak Amdouni , Cédric Adjih , Pascale Minet

In this paper, we focus on the scheduling problem in multi-channel wireless networks, e.g., the downlink of a single cell in fourth generation (4G) OFDM-based cellular networks. Our goal is to design practical scheduling policies that can…

网络与互联网体系结构 · 计算机科学 2014-03-25 Bo Ji , Gagan R. Gupta , Manu Sharma , Xiaojun Lin , Ness B. Shroff

Enabling bistatic radar sensing within the context of integrated sensing and communication (ISAC) for future sixth generation mobile networks demands strict synchronization accuracy, which is particularly challenging to be achieved with…

This paper investigates joint device identification, channel estimation, and symbol detection for LEO satellite-enabled grant-free random access systems, specifically targeting scenarios where remote Internet-of-Things (IoT) devices operate…

信息论 · 计算机科学 2024-12-31 Boxiao Shen , Yongpeng Wu , Wenjun Zhang , Symeon Chatzinotas , Björn Ottersten

In beyond 5G and 6G network scenarios, the use of satellites has been actively discussed for extending target monitoring areas, even for extreme circumstances, where the monitoring functionalities can be realized due to the usage of…

系统与控制 · 电气工程与系统科学 2021-08-03 Joongheon Kim , Yunseok Kwak , Soyi Jung , Jae-Hyun Kim

In this thesis, we study the downlink multiuser scheduling and power allocation problem for systems with simultaneous wireless information and power transfer (SWIPT). In the first part of the thesis, we focus on multiuser scheduling. We…

信息论 · 计算机科学 2015-03-18 Maryna Chynonova

One fundamental problem in decentralized multi-agent optimization is the trade-off between gradient/sampling complexity and communication complexity. We propose new algorithms whose gradient and sampling complexities are graph topology…

最优化与控制 · 数学 2021-01-14 Guanghui Lan , Yuyuan Ouyang , Yi Zhou

Wireless sensor networks consist of sensor nodes that are physically distributed over different locations. Spatial filtering procedures exploit the spatial correlation across these sensor signals to fuse them into a filtered signal…

信号处理 · 电气工程与系统科学 2022-11-04 Cem Ates Musluoglu , Alexander Bertrand

In this work we consider the problem of downlink resource allocation for proportional fairness of long term received rates of data users and quality of service for real time sessions in an OFDMA-based wireless system. The base station…

网络与互联网体系结构 · 计算机科学 2007-11-09 Tolga Girici , Chenxi Zhu , Jonathan R. Agre , Anthony Ephremides

Although it is often used in the orthogonal frequency division multiplexing (OFDM) systems, application of massive multiple-input multiple-output (MIMO) over the orthogonal time frequency space (OTFS) modulation could suffer from enormous…

信号处理 · 电气工程与系统科学 2020-03-17 Yushan Liu , Shun Zhang , Feifei Gao , Jianpeng Ma , Xianbin Wang