Faster deterministic wakeup in multiple access channels

Authors:
Gianluca De Marco;Marco Pellegrini;Giovanni Sburlati
Affiliations:
Dipartimento di Informatica e Applicazioni, Università di Salerno, Baronissi (SA), Italy;Istituto di Informatica e Telematica, Consiglio Nazionale delle Ricerche, Pisa, Italy;Istituto di Informatica e Telematica, Consiglio Nazionale delle Ricerche, Pisa, Italy
Venue:
ICTCS'05 Proceedings of the 9th Italian conference on Theoretical Computer Science
Year:
2005

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Faster deterministic wakeup in multiple access channels

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Abstract

We consider the fundamental problem of waking up n processors sharing a multiple access channel. We assume the weakest model of synchronization, the locally synchronous model, in which no global clock is available: processors have local clocks ticking at the same rate, but each clock starts counting the rounds in the round in which the correspondent processor wakes up. Moreover, the number n of processors is not known to the processors. We propose a new deterministic algorithm for this problem, which improves on the currently best upper bound.