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Comparison of PRMA and D-RAMA packet access methods for mobile third-generation systems

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2 Author(s)
J. Santivanez G. ; Center for Studies in Telecommun., Univ. Catholica de Rio de Janeiro, Brazil ; J. R. B. De Marca

We evaluate the performance of a novel packet access method and compare it with PRMA. It is shown that D-RAMA outperforms PRMA in capacity and access delay. We further introduce some preliminary results for video sources. A future work will address the advantages introduced by dynamic priorities under a mixed services environment. Even though PRMA introduces the novel concept of channel reservation, it is the authors' belief that the S-ALOHA contention resolution algorithm is not appropriate for maximizing future systems' capacity. Deterministic packet access methods improve the contention resolution by avoiding packet collisions in requests. Hence D-RAMA should be considered as a serious candidate for access in third-generation systems

Published in:

Telecommunications Symposium, 1998. ITS '98 Proceedings. SBT/IEEE International

Date of Conference:

9-13 Aug 1998