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EnglishThis article investigates a two-user competitive scheduling problem. The problem arises in a Universal Mobile Telecommunication System (UMTS) developed within the European IST project FUTURE: given two mobile terminals, one wants to maximize the on-time data packets transmitted to one user, while guaranteeing a certain amount of on-time data packets to the other. We show that the problem is NP-hard, despite peculiar properties of data and solutions. We propose a fast Lagrangian heuristic able to cope with a severe real-time requirement, and compare it to a greedy-like heuristic on a set of practical instances.
http://hdl.handle.net/11697/9128| Titolo: | A Competitive Scheduling Problem and its Relevance to UMTS Channel Assignment |
| Autori interni: | SMRIGLIO, STEFANO ARBIB, CLAUDIO |
| Data di pubblicazione: | 2004 |
| Rivista: | NETWORKS |
| Abstract: | This article investigates a two-user competitive scheduling problem. The problem arises in a Universal Mobile Telecommunication System (UMTS) developed within the European IST project FUTURE: given two mobile terminals, one wants to maximize the on-time data packets transmitted to one user, while guaranteeing a certain amount of on-time data packets to the other. We show that the problem is NP-hard, despite peculiar properties of data and solutions. We propose a fast Lagrangian heuristic able to cope with a severe real-time requirement, and compare it to a greedy-like heuristic on a set of practical instances. |
| Handle: | http://hdl.handle.net/11697/9128 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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