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Foundation Models (FMs) serve as a general class for the development of artificial intelligence systems, offering broad potential for generalization across a spectrum of downstream tasks. Despite extensive research into self-supervised…

机器学习 · 计算机科学 2024-06-17 Yuhao Xu , Xinqi Liu , Keyu Duan , Yi Fang , Yu-Neng Chuang , Daochen Zha , Qiaoyu Tan

We conduct to our knowledge a first measurement study of commercial 5G performance on smartphones by closely examining 5G networks of three carriers (two mmWave carriers, one mid-band carrier) in three U.S. cities. We conduct extensive…

网络与互联网体系结构 · 计算机科学 2020-04-29 Arvind Narayanan , Eman Ramadan , Jason Carpenter , Qingxu Liu , Yu Liu , Feng Qian , Zhi-Li Zhang

This paper presents generalized channel coding theorems for a time-slotted distributed communication system where a transmitter-receiver pair is communicating in parallel with other transmitters. Assume that the channel code of each…

信息论 · 计算机科学 2016-11-15 Jie Luo

In this paper we investigate performance of global communications in a particular parallel code. The code simulates dynamics of expansion of premixed spherical flames using an asymptotic model of Sivashinsky type and a spectral numerical…

分布式、并行与集群计算 · 计算机科学 2009-11-17 V. Karlin

Unicast IPTV services that can support live TV, video-on-demand (VoD), video conferencing, and online gaming applications over broadband wireless cellular networks have been becoming popular in recent years. However, video streaming…

网络与互联网体系结构 · 计算机科学 2017-05-09 Mingfu Li

In today's day and age, a mobile phone has become a basic requirement needed for anyone to thrive. With the cellular traffic demand increasing so dramatically, it is now necessary to accurately predict the user traffic in cellular networks,…

机器学习 · 计算机科学 2025-07-22 Nikhil Nayak , Rujula Singh R , Rameshwar Garg , Varun Danda , Chandana Kiran , Kaustuv Saha

Point-to-multipoint communications are expected to play a pivotal role in next-generation networks. This paper refers to a cellular system transmitting layered multicast services to a multicast group of users. Reliability of communications…

信息论 · 计算机科学 2016-11-17 Andrea Tassi , Ioannis Chatzigeorgiou , Daniel E. Lucani

Global System for Mobile Communications (GSM) is one of the most commonly used cellular technologies in the world. One of the objectives in mobile communication systems is the security of the exchanged data. GSM employs many cryptographic…

密码学与安全 · 计算机科学 2012-08-13 Khaled Merit , Abdelazziz Ouamri

Wireless Communication Networks based on Frequency Division Multiplexing (FDM in short) plays an important role in the field of communications, in which each request can be satisfied by assigning a frequency. To avoid interference, each…

数据结构与算法 · 计算机科学 2010-09-14 Joseph Wun-Tat Chan , Francis Y. L. Chin , Xin Han , Ka-Cheong Lam , Hing-Fung Ting , Yong Zhang

As the research community starts to address the* key features of 6G cellular standards, one of the agreed bridge topics to be studied already in 5G advanced releases is Integrated Sensing and Communication (ISAC). The first efforts of the…

信号处理 · 电气工程与系统科学 2026-03-25 Silvio Mandelli , Marcus Henninger , Maximilian Bauhofer , Thorsten Wild

Powered by renewable energy sources, cellular communication systems usually have different wireless traffic loads and available resources over time. To match their traffics, it is beneficial for two neighboring systems to cooperate in…

信息论 · 计算机科学 2016-11-17 Yinghao Guo , Jie Xu , Lingjie Duan , Rui Zhang

Consensus is a common method for computing a function of the data distributed among the nodes of a network. Of particular interest is distributed average consensus, whereby the nodes iteratively compute the sample average of the data stored…

信息论 · 计算机科学 2021-12-06 Ryan Pilgrim

Multiple-Input Multiple-Output (MIMO) systems play a crucial role in fifth-generation (5G) mobile communications, primarily achieved through the utilization of precoding matrix techniques. This paper presents precoding techniques employing…

User-centric cell-free (UCCF) wireless networks have a range of distinguished characteristics, which can be exploited for meeting some challenges that the conventional cellular systems are hard to. This chapter is devoted to delivering the…

信号处理 · 电气工程与系统科学 2024-04-22 Lie-Liang Yang

The GN-model of fiber non-linearity has had quite substantial success in modern optical telecommunications networks as a design and management tool. A version of it, capable of handling arbitrary WDM combs and link structures in closed…

信号处理 · 电气工程与系统科学 2018-11-22 Pierluigi Poggiolini

In this paper, we present PCNM, a new mobile platform for cellular networks measurements. PCNM is based on a set of techniques that tailors theoretical calculations and simulations to the real cellular network environment. It includes: (a)…

网络与互联网体系结构 · 计算机科学 2016-11-17 Tayeb Lemlouma , Yoann Lefebvre , Frédéric Cespedes

GSM networks are very expensive. The network design process requires too many decisions in a combinatorial explosion. For this reason, the larger is the network, the harder is to achieve a totally human based optimized solution. The BSC…

网络与互联网体系结构 · 计算机科学 2009-09-08 Alexei Barbosa de Aguiar , Placido Rogerio Pinheiro , Alvaro de Menezes S. Neto , Ruddy P. P. Cunha , Rebecca F. Pinheiro

In burst-mode communication systems, the quality of frame synchronization (FS) at receivers significantly impacts the overall system performance. To guarantee FS, an extreme learning machine (ELM)-based synchronization method is proposed to…

信号处理 · 电气工程与系统科学 2020-02-19 Chaojin Qing , Wang Yu , Bin Cai , Jiafan Wang , Chuan Huang

Emergency communications requires reliability and flexibility for disaster recovery and relief operation. Based upon existing commercial portable devices (e.g., smartphones, tablets, laptops), we propose a network architecture that uses…

网络与互联网体系结构 · 计算机科学 2018-03-13 Tan Do-Duy , M. Angeles Vazquez Castro

Federated learning effectively addresses issues such as data privacy by collaborating across participating devices to train global models. However, factors such as network topology and device computing power can affect its training or…

机器学习 · 计算机科学 2023-11-29 Yizhuo Cai , Bo Lei , Qianying Zhao , Jing Peng , Min Wei , Yushun Zhang , Xing Zhang