2015
DOI: 10.1002/dac.2986
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A correlation‐based and spectrum‐aware admission control mechanism for multimedia streaming in cognitive radio sensor networks

Abstract: SUMMARYBandwidth management and traffic control are critical issues to guarantee the quality of service in cognitive radio networks. This paper exploits a network load refinement approach to achieve the efficient resource utilization and provide the required quality of service. A connection admission control approach is introduced in cognitive radio multimedia sensor networks to provide the data transmission reliability and decrease jitter and packet end-to-end delay. In this approach, the admission of multime… Show more

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Cited by 13 publications
(26 citation statements)
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“…In addition, when the PU arrival Complete sharing SMDP-based Threshold-based PU activity (r d , r a ) Packet end to end delay (s) rate is equal to the PU departure rate, this state is considered to be a "medium PU activity" state [10]. PU activity (r d , r a ) is determined by the length of ON and OFF periods of PU transmissions.…”
Section: Resultsmentioning
confidence: 99%
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“…In addition, when the PU arrival Complete sharing SMDP-based Threshold-based PU activity (r d , r a ) Packet end to end delay (s) rate is equal to the PU departure rate, this state is considered to be a "medium PU activity" state [10]. PU activity (r d , r a ) is determined by the length of ON and OFF periods of PU transmissions.…”
Section: Resultsmentioning
confidence: 99%
“…The simulation results indicate the superiority of the proposed CAC mechanism over the proposed admission control in [10] in terms of packet loss probability, end-to-end delay, and jitter. The network state is composed of the number of active PUs, the ID, and the number of CR sensors that are sending data toward the sink node during the decision instances.…”
Section: Introductionmentioning
confidence: 89%
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“…CR users 9 can use the licensed bands in the absence of PUs. If a pri- 10 mary user is appeared in the licensed band, CR user leaves 11 the spectrum immediately [1]. Cognitive radio technology 12 can be used in wireless sensor networks (WSNs) to over- 13 come spectrum shortage problem and reserve the limited 14 resources of sensors in WSNs [3].…”
Section: Introductionmentioning
confidence: 99%
“…However, 35 there is a limited amount of work on the performance eval- 36 uation of transport layer protocols in CRSNs. Most of pre-37 vious studies [4][5][6][7][8][9][10][11][12][13][14] concentrated on the simulation-based 38 performance evaluation of transport layer protocols. How-39 ever, analytical investigation is required to model the per- 40 formance of congestion control schemes in CRSNs for the 41 following motivations: (1) transport-level delay (delay over- 42 head of transport layer protocols) depends on the sending 43 rate of source nodes in this layer.…”
Section: Introductionmentioning
confidence: 99%