Cross‐layer multipath congestion control, routing and scheduling design in ad hoc wireless networks

Autor: Mohammed Aljubayri, Zhaohui Yang, Mohammad Shikh‐Bahaei
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: IET Communications, Vol 15, Iss 8, Pp 1096-1108 (2021)
Druh dokumentu: article
ISSN: 1751-8636
1751-8628
DOI: 10.1049/cmu2.12145
Popis: Abstract Demands for stable and efficient transmission are increasing due to the ongoing expansion of global wireless data traffic. One of the most promising ways to moderate burden of traffic load and decrease the queuing delay is to design cross‐layer protocols. This paper considers a utility maximization problem for multipath ad hoc wireless networks via joint cross‐layer congestion control, routing and scheduling design. In the formulated utility maximization problem, rate, scheduling and queuing delay constraints are involved under the condition of fixed channels and time varying channels. To solve this utility maximization problem, two scheduling methods are proposed, that is, perfect scheduling and distributed scheduling. In perfect scheduling, all nodes in the network contribute to the scheduling process, while distributed method only takes into account adjacent nodes. For both methods, the global convergence is proved. A comprehensive simulation evaluation is performed which shows that this proposed algorithms outperform existing cross layer protocols in terms of increasing source rate and reducing congestion price.
Databáze: Directory of Open Access Journals
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