Expected time to rendezvous in multi-hop cognitive radio networks
Archivos
Fecha
2017-11-08
Autores
Ortiz Guerra, Erik
Suarez Mora, David
Lopez, Edgar Alexander
Alfonso Reguera, Vitalio
Blanco Garrido, Fabian
Cruz Flores, Liliana
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Resumen
The design of blind rendezvous strategies for dy-
namic spectrum access in multi-users, multi-hop networks is a
challenging task. In this paper, a two radios synchronization
strategy that minimizes the time to rendezvous in multi-users
networks is analyze. In fact, it has been recently demonstrated
that this synchronization strategy provides optimum results in
terms of maximum time to rendezvous (MTTR). In this paper,
the analysis to the expected time to rendezvous (ETTR) and
derive analytical expressions for its numerical computation is
extended. The estimated ETTR is compared with those obtained
by simulation, using a representative blind rendezvous channel
hopping sequence. The results indicate that the numerical ex-
pressions provide good estimates of the actual ETTR. Moreover,
the ETTR achieved by the proposed synchronization strategy has
proven to be bounded by the MTTR of a pair-wise rendezvous
process irrespective of the number of users and the network
topology. This property makes the analyzed rendezvous mecha-
nism, and particularly the synchronization strategy, suitable for
the deployment of large and dense networks.
Descripción
Palabras clave
Blind Rendezvous, Channel Hopping Sequences, Cognitive Radio Networks, Multi-Hop Networks
Citación
Citar según la fuente original:
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