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This paper proposes a chaotic map-based multicast scheme for multiuser speech wireless communication and implements it in an ARM platform. The scheme compresses the digital audio signal decoded by a sound card and then encrypts it with a…

密码学与安全 · 计算机科学 2016-12-07 Qiuye Gan , Simin Yu , Chengqing Li , Jinhu Lü , Zhuosheng Lin , Ping Chen

Wireless communication systems operate in complex time-varying environments. Therefore, selecting the optimal configuration parameters in these systems is a challenging problem. For wireless links, \emph{rate selection} is used to select…

机器学习 · 计算机科学 2020-04-21 Vidit Saxena , Joseph E. Gonzalez , Ion Stoica , Hugo Tullberg , Joakim Jaldén

The Multi-Armed Bandit (MAB) problem is challenging in non-stationary environments where reward distributions evolve dynamically. We introduce RAVEN-UCB, a novel algorithm that combines theoretical rigor with practical efficiency via…

机器学习 · 计算机科学 2025-06-04 Junyi Fang , Yuxun Chen , Yuxin Chen , Chen Zhang

Multi-armed bandits (MAB) provide a principled online learning approach to attain the balance between exploration and exploitation. Due to the superior performance and low feedback learning without the learning to act in multiple…

信息检索 · 计算机科学 2022-10-25 Shenghao Xu

The classical multi-armed bandit (MAB) problem involves a learner and a collection of K independent arms, each with its own ex ante unknown independent reward distribution. At each one of a finite number of rounds, the learner selects one…

最优化与控制 · 数学 2024-05-07 Hongda Hu , Arthur Charpentier , Mario Ghossoub , Alexander Schied

Algorithms for the Multi-Armed Bandit (MAB) problem play a central role in sequential decision-making and have been extensively explored both theoretically and numerically. While most classical approaches aim to identify the arm with the…

机器学习 · 计算机科学 2026-04-02 Gabriel Turinici

IEEE 802.11 has evolved from 802.11a/b/g/n to 802.11ac to meet rapidly increasing data rate requirements in WLANs. One important technique adopted in 802.11ac is the channel bonding (CB) scheme that combines multiple 20MHz channels for a…

网络与互联网体系结构 · 计算机科学 2017-03-30 Caihong Kai , Yuting Liang , Tianyu Huang , Xu Chen

Next-generation wireless deployments are characterized by being dense and uncoordinated, which often leads to inefficient use of resources and poor performance. To solve this, we envision the utilization of completely decentralized…

网络与互联网体系结构 · 计算机科学 2018-11-15 Francesc Wilhelmi , Cristina Cano , Gergely Neu , Boris Bellalta , Anders Jonsson , Sergio Barrachina-Muñoz

Chaotic dynamical systems have attracted considerable attention due to their inherent randomness and high sensitivity to initial conditions, which makes them ideal for secure wireless communications. Beyond security, these same…

信号处理 · 电气工程与系统科学 2025-12-01 Priyadarshi Mukherjee , Constantinos Psomas , Ioannis Krikidis

With the end of Moore's Law and the increasing demand for computing, photonic accelerators are garnering considerable attention. This is due to the physical characteristics of light, such as high bandwidth and multiplicity, and the various…

光学 · 物理学 2024-04-16 Hisako Ito , Takatomo Mihana , Ryoichi Horisaki , Makoto Naruse

Existing solutions to network scheduling typically assume that the instantaneous link rates are completely known before a scheduling decision is made or consider a bandit setting where the accurate link quality is discovered only after it…

机器学习 · 计算机科学 2023-01-13 Tianyi Xu , Ding Zhang , Zizhan Zheng

The widespread adoption of edge computing has emerged as a prominent trend for alleviating task processing delays and reducing energy consumption. However, the dynamic nature of network conditions and the varying computation capacities of…

网络与互联网体系结构 · 计算机科学 2023-06-12 Lin Wang , Jingjing Zhang

Multi-armed bandits (MAB) model sequential decision making problems, in which a learner sequentially chooses arms with unknown reward distributions in order to maximize its cumulative reward. Most of the prior work on MAB assumes that the…

机器学习 · 计算机科学 2018-03-22 Onur Atan , Cem Tekin , Mihaela van der Schaar

We study the sequential resource allocation problem where a decision maker repeatedly allocates budgets between resources. Motivating examples include allocating limited computing time or wireless spectrum bands to multiple users (i.e.,…

机器学习 · 计算机科学 2021-05-11 Jinhang Zuo , Carlee Joe-Wong

We consider a rate-constrained contextual multi-armed bandit (RC-CMAB) problem, in which a group of agents are solving the same contextual multi-armed bandit (CMAB) problem. However, the contexts are observed by a remotely connected entity,…

机器学习 · 计算机科学 2022-04-28 Francesco Pase , Deniz Gündüz , Michele Zorzi

We study the stochastic Multiplayer Multi-Armed Bandit (MMAB) problem, where multiple players select arms to maximize their cumulative rewards. Collisions occur when two or more players select the same arm, resulting in no reward, and are…

机器学习 · 计算机科学 2025-10-09 Daoyuan Zhou , Xuchuang Wang , Lin Yang , Yang Gao

We consider the latency minimization problem in a task-offloading scenario, where multiple servers are available to the user equipment for outsourcing computational tasks. To account for the temporally dynamic nature of the wireless links…

信号处理 · 电气工程与系统科学 2020-06-23 Aniq Ur Rahman , Gourab Ghatak , Antonio De Domenico

Many physical systems have underlying safety considerations that require that the strategy deployed ensures the satisfaction of a set of constraints. Further, often we have only partial information on the state of the system. We study the…

Millimeter wave (mmW) wireless networks are capable to support multi-gigabit data rates, by using directional communications with narrow beams. However, existing mmW communications standards are hindered by two problems: deafness and single…

信息论 · 计算机科学 2015-01-13 Hossein Shokri-Ghadikolaei , Lazaros Gkatzikis , Carlo Fischione

Database activity monitoring (DAM) systems are commonly used by organizations to protect the organizational data, knowledge and intellectual properties. In order to protect organizations database DAM systems have two main roles, monitoring…

机器学习 · 计算机科学 2019-10-25 Hagit Grushka-Cohen , Ofer Biller , Oded Sofer , Lior Rokach , Bracha Shapira