Collision-balancing frequency hopping in single-hop mobile ad hoc networks
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Tanbourgi.pdf (143,6Kb) (Accés restringit)
10.1109/VTCFall.2012.6399218
Inclou dades d'ús des de 2022
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hdl:2117/19385
Tipus de documentText en actes de congrés
Data publicació2012
EditorInstitute of Electrical and Electronics Engineers (IEEE)
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Abstract
We consider a single-hop frequency hopping (FH) mobile ad hoc network (MANET). To increase throughput orthogonal FH (O-FH) with hop-synchronous hopping can be used, thereby allowing collision-free transmissions under certain circumstances. However, as the MANET grows, hopping sequences must be re-used. As a result, nodes sharing the same sequence will experience deterministic collisions while others having a unique sequence will still communicate collision-free. This results in an emph{unfair} interference situation and makes performance guarantees difficult to meet for all nodes simultaneously. In this paper, we propose a emph{collision-balancing} FH (CB-FH) scheme to overcome this drawback. The CB scheme builds on O-FH and adapts the sequence set to balance interference among the nodes. We analytically study the characteristics of the adaptive sequences and analyze the resulting interference situation at the nodes. The performance is compared to uncoordinated FH (U-FH) and O-FH. It is found that CB-FH solves the problem of unfairness present in O-FH. Compared to U-FH, CB-FH yields considerable improvements in a wide range. Practical issues are discussed.
CitacióTanbourgi, R.; Pujol i Molist, X.; Jondral, F. Collision-balancing frequency hopping in single-hop mobile ad hoc networks. A: IEEE Vehicular Technology Conference. "2012 IEEE 76th Vehicular Technology Conference, 3-6 September 2012, Québec City, Canada". Québec: Institute of Electrical and Electronics Engineers (IEEE), 2012, p. 1-5.
ISBN978-1-4673-1881-5
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