2015
DOI: 10.1186/s13638-015-0289-2
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Distributed back-pressure scheduling with opportunistic routing in cognitive radio networks

Abstract: A challenging problem in cognitive radio networks (CRNs) is to design a throughput efficient routing and scheduling algorithm for end-to-end communications between secondary users (SUs) in a distributed manner. Due to the opportunistic nature of CRN routing, we consider a framework with randomized path selection in this paper. Motivated by the back-pressure scheduling policy, we adopt the differential queue backlog as the routing metric to achieve throughput efficiency. Moreover, we demonstrate the sufficient … Show more

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Cited by 3 publications
(1 citation statement)
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“…It builds different node-disjoint routes with a low routing overhead. Differential queue backlog is used as a routing metric in [23]. It is applied to achieve throughput efficiency by proposing a distributed medium access control algorithm.…”
Section: Related Workmentioning
confidence: 99%
“…It builds different node-disjoint routes with a low routing overhead. Differential queue backlog is used as a routing metric in [23]. It is applied to achieve throughput efficiency by proposing a distributed medium access control algorithm.…”
Section: Related Workmentioning
confidence: 99%