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Service composition is a widely used method in ubiquitous computing that enables accomplishing complex tasks required by users based on elementary (hardware and software) services available in ubiquitous environments. To ensure that users…

Software Engineering · Computer Science 2016-11-29 Nebil Ben Mabrouk , Nikolaos Georgantas , Valérie Issarny

Quality of service (QoS) provisioning in next-generation mobile communications systems entails a deep understanding of the delay performance. The delay in wireless networks is strongly affected by the traffic arrival process and the service…

Information Theory · Computer Science 2018-04-23 Marios Kountouris , Nikolaos Pappas , Apostolos Avranas

This article investigates the problem of dynamic spectrum access for canonical wireless networks, in which the channel states are time-varying. In the most existing work, the commonly used optimization objective is to maximize the…

Information Theory · Computer Science 2017-07-31 Yuhua Xu , Jinlong Wang , Qihui Wu , Jianchao Zheng , Liang Shen , Alagan Anpalagan

Quality of Service (QoS) prediction is one of the most fundamental problems in service computing and personalized recommendation. In the problem, there is a set of users and services, each associated with a set of descriptive features.…

Machine Learning · Computer Science 2026-02-24 Kecheng Cai , Chao Peng , Chenyang Xu , Xia Chen , Yi Wang , Shuo Shi , Qiyuan Liang

This paper investigates the application of Reinforcement Learning (RL) to optimise call routing in call centres to minimise client waiting time and staff idle time. Two methods are compared: a model-based approach using Value Iteration (VI)…

Artificial Intelligence · Computer Science 2025-07-25 Kwong Ho Li , Wathsala Karunarathne

To know which operators to apply and in which order, as well as attributing good values to their parameters is a challenge for users of computer vision. This paper proposes a solution to this problem as a multi-agent system modeled…

Artificial Intelligence · Computer Science 2013-11-26 Issam Qaffou , Mohamed Sadgal , Abdelaziz Elfazziki

Cognitive radio nodes have been proposed as means to improve the spectrum utilization. It reuses the spectrum of a primary service provider under the condition that the primary service provider services are not harmfully interrupted. A…

Networking and Internet Architecture · Computer Science 2012-06-15 R. Kaniezhil , C. Chandrasekar , S. NithyaRekha

Quality of service (QoS) for a network is characterized in terms of various parameters specifying packet delay and loss tolerance requirements for the application. The unpredictable nature of the wireless channel demands for application of…

Information Theory · Computer Science 2016-11-17 M. Majid Butt , Eduard A. Jorswieck , Bjorn Ottersten

In this paper, we study the sensor selection problem for remote state estimation under the Quality-of-Service (QoS) requirement constraints. Multiple sensors are employed to observe a linear time-invariant system, and their measurements…

Systems and Control · Electrical Eng. & Systems 2023-06-27 Huiwen Yang , Lingying Huang , Chao Yang , Yilin Mo , Ling Shi

Voice over IP (VoIP) is the technology allowing voice and multimedia transmissions as data packets over a private or a public IP network. Thanks to the benefits that it may provide, the VoIP technology is increasingly attracting attention…

Networking and Internet Architecture · Computer Science 2013-12-10 Amor Lazzez

The cloud radio access network (C-RAN) has become the foundational structure for various emerging communication paradigms, leveraging the flexible deployment of distributed access points (APs) and centralized task processing. In this paper,…

Information Theory · Computer Science 2023-11-17 Chang Wu , Hancheng Lu , Yuang Chen , Langtian Qin

Mobile telecommunications are converging towards all-IP solutions. This is the case of the Long Term Evolution (LTE) technology that, having no circuit-switched bearer to support voice traffic, needs a dedicated VoIP infrastructure, which…

Networking and Internet Architecture · Computer Science 2020-09-29 Mario Di Mauro , Antonio Liotta

Various works have utilized deep learning to address the query optimization problem in database system. They either learn to construct plans from scratch in a bottom-up manner or steer the plan generation behavior of traditional optimizer…

Databases · Computer Science 2024-08-15 Kai Zhong , Luming Sun , Tao Ji , Cuiping Li , Hong Chen

Loads that can vary their power consumption without violating their Quality of service (QoS), that is flexible loads, are an invaluable resource for grid operators. Utilizing flexible loads as a resource requires the grid operator to…

Systems and Control · Electrical Eng. & Systems 2020-06-30 Austin R. Coffman , Matthew Hale , Prabir Barooah

A novel quality of service (QoS) management algorithm for home networks is presented in this letter. The algorithm is based on service prediction for intelligent QoS management. The service prediction is carried out by a general regression…

Networking and Internet Architecture · Computer Science 2020-07-23 Wen-Jyi Hwang , Tsung-Ming Tai , Bo-Ting Pan , Tun-Yao Lou , Yun-Jie Jhang

This paper considers optimization problems over networks where agents have individual objectives to meet, or individual parameter vectors to estimate, subject to subspace constraints that require the objectives across the network to lie in…

Multiagent Systems · Computer Science 2020-04-22 Roula Nassif , Stefan Vlaski , Ali H. Sayed

Due to its large coverage area, low cost of deployment and high speed data rates, WiMAX is a promising technology for providing wireless last-mile connectivity. Physical and MAC layer of this technology refer to the IEEE 802.16e standard,…

Networking and Internet Architecture · Computer Science 2010-04-27 Iwan Adhicandra

The area of quality of service (QoS) in communications networks has been the target of research for already several decades with tens of thousands of published journal and conference papers. However, the practical introduction of QoS…

Networking and Internet Architecture · Computer Science 2019-01-23 Kalevi Kilkki , Benjamin Finley

We consider the Inverse Optimal Stopping (IOS) problem where, based on stopped expert trajectories, one aims to recover the optimal stopping region through the continuation and stopping gain functions approximation. The uniqueness of the…

Machine Learning · Statistics 2025-11-03 Anna Kuchko

We study the problem of optimizing the performance of cognitive radio users with opportunistic real-time applications subject to primary users quality-of-service (QoS) constraints. Two constrained optimization problems are formulated; the…

Networking and Internet Architecture · Computer Science 2016-11-18 Adel M. Elmahdy , Amr El-Keyi , Tamer ElBatt , Karim G. Seddik