In Cognitive Radio Ad-Hoc Networks [1] the design of suitable routing solutions is a focal issue to fully unleash the potentials of this networking paradigm. The main challenge is exploiting spectrum holes to build up network paths that remain stable and that achieve specific network performance in terms of delay and percentage of delivered data, even if an opportunistic spectrum access is implemented. In this paper we propose a utility function based on the path connectivity, re-elaborated in a cognitive radio scenario, and we compare it with other utility functions that can be used for routing data in cognitive radio. We show that by using our utility function we select paths for the secondary users transmissions leading to better performance when compared with a utility function that selects paths with the minimum activities of the primary users and an utility function that minimizes the number of hops. These results are derived in great number of topologies and with different primary users activities. © 2011 IEEE.

Comparison of utility functions for routing in cognitive wireless ad-hoc networks / Abbagnale, Anna; Cuomo, Francesca; Salvo, Pierpaolo. - (2011), pp. 127-130. (Intervento presentato al convegno 2011 the 10th IFIP Annual Mediterranean Ad Hoc Networking Workshop, Med-Hoc-Net'2011 tenutosi a Favignana Island; Italy nel 12 June 2011 through 12 June 2011) [10.1109/med-hoc-net.2011.5970478].

Comparison of utility functions for routing in cognitive wireless ad-hoc networks

ABBAGNALE, ANNA;CUOMO, Francesca;SALVO, PIERPAOLO
2011

Abstract

In Cognitive Radio Ad-Hoc Networks [1] the design of suitable routing solutions is a focal issue to fully unleash the potentials of this networking paradigm. The main challenge is exploiting spectrum holes to build up network paths that remain stable and that achieve specific network performance in terms of delay and percentage of delivered data, even if an opportunistic spectrum access is implemented. In this paper we propose a utility function based on the path connectivity, re-elaborated in a cognitive radio scenario, and we compare it with other utility functions that can be used for routing data in cognitive radio. We show that by using our utility function we select paths for the secondary users transmissions leading to better performance when compared with a utility function that selects paths with the minimum activities of the primary users and an utility function that minimizes the number of hops. These results are derived in great number of topologies and with different primary users activities. © 2011 IEEE.
2011
2011 the 10th IFIP Annual Mediterranean Ad Hoc Networking Workshop, Med-Hoc-Net'2011
ad hoc networks; cognitive wireless ad-hoc networks; cognitive radio; spectrum holes; routing; network paths; opportunistic spectrum access; ad-hoc networks; utility functions; data routing
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Comparison of utility functions for routing in cognitive wireless ad-hoc networks / Abbagnale, Anna; Cuomo, Francesca; Salvo, Pierpaolo. - (2011), pp. 127-130. (Intervento presentato al convegno 2011 the 10th IFIP Annual Mediterranean Ad Hoc Networking Workshop, Med-Hoc-Net'2011 tenutosi a Favignana Island; Italy nel 12 June 2011 through 12 June 2011) [10.1109/med-hoc-net.2011.5970478].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/394508
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