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Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users
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| Zeitschriftentitel: | Mobile Information Systems |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Mobile Information Systems, 2016, 2016, S. 1-8 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Hindawi Limited
|
| Schlagwörter: |
| author_facet |
Zhao, Yuan Wang, Jialiang Liu, Jiemin Bai, Luyi Zhao, Yuan Wang, Jialiang Liu, Jiemin Bai, Luyi |
|---|---|
| author |
Zhao, Yuan Wang, Jialiang Liu, Jiemin Bai, Luyi |
| spellingShingle |
Zhao, Yuan Wang, Jialiang Liu, Jiemin Bai, Luyi Mobile Information Systems Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users Computer Networks and Communications Computer Science Applications |
| author_sort |
zhao, yuan |
| spelling |
Zhao, Yuan Wang, Jialiang Liu, Jiemin Bai, Luyi 1574-017X 1875-905X Hindawi Limited Computer Networks and Communications Computer Science Applications http://dx.doi.org/10.1155/2016/3297938 <jats:p>We propose an access control scheme in cognitive radio networks with prioritized Secondary Users (SUs). Considering the different types of data in the networks, the SU packets in the system are divided into SU1 packets with higher priority and SU2 packets with lower priority. In order to control the access of the SU2 packets (including the new arrival SU2 packets and the interrupted SU2 packets), a dynamic access threshold is set. By building a discrete-time queueing model and constructing a three-dimensional Markov chain with the number of the three types of packets in the system, we derive some performance measures of the two types of the SU packets. Then, with numerical results, we show the change trends for the different performance measures. At last, considering the tradeoff between the throughput and the average delay of the SU2 packets, we build a net benefit function to make optimization for the access threshold.</jats:p> Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users Mobile Information Systems |
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Mobile Information Systems |
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| title |
Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_unstemmed |
Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_full |
Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_fullStr |
Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_full_unstemmed |
Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_short |
Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_sort |
optimization of access threshold for cognitive radio networks with prioritized secondary users |
| topic |
Computer Networks and Communications Computer Science Applications |
| url |
http://dx.doi.org/10.1155/2016/3297938 |
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2016 |
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1-8 |
| description |
<jats:p>We propose an access control scheme in cognitive radio networks with prioritized Secondary Users (SUs). Considering the different types of data in the networks, the SU packets in the system are divided into SU1 packets with higher priority and SU2 packets with lower priority. In order to control the access of the SU2 packets (including the new arrival SU2 packets and the interrupted SU2 packets), a dynamic access threshold is set. By building a discrete-time queueing model and constructing a three-dimensional Markov chain with the number of the three types of packets in the system, we derive some performance measures of the two types of the SU packets. Then, with numerical results, we show the change trends for the different performance measures. At last, considering the tradeoff between the throughput and the average delay of the SU2 packets, we build a net benefit function to make optimization for the access threshold.</jats:p> |
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| author | Zhao, Yuan, Wang, Jialiang, Liu, Jiemin, Bai, Luyi |
| author_facet | Zhao, Yuan, Wang, Jialiang, Liu, Jiemin, Bai, Luyi, Zhao, Yuan, Wang, Jialiang, Liu, Jiemin, Bai, Luyi |
| author_sort | zhao, yuan |
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| container_title | Mobile Information Systems |
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| description | <jats:p>We propose an access control scheme in cognitive radio networks with prioritized Secondary Users (SUs). Considering the different types of data in the networks, the SU packets in the system are divided into SU1 packets with higher priority and SU2 packets with lower priority. In order to control the access of the SU2 packets (including the new arrival SU2 packets and the interrupted SU2 packets), a dynamic access threshold is set. By building a discrete-time queueing model and constructing a three-dimensional Markov chain with the number of the three types of packets in the system, we derive some performance measures of the two types of the SU packets. Then, with numerical results, we show the change trends for the different performance measures. At last, considering the tradeoff between the throughput and the average delay of the SU2 packets, we build a net benefit function to make optimization for the access threshold.</jats:p> |
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| series | Mobile Information Systems |
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| spelling | Zhao, Yuan Wang, Jialiang Liu, Jiemin Bai, Luyi 1574-017X 1875-905X Hindawi Limited Computer Networks and Communications Computer Science Applications http://dx.doi.org/10.1155/2016/3297938 <jats:p>We propose an access control scheme in cognitive radio networks with prioritized Secondary Users (SUs). Considering the different types of data in the networks, the SU packets in the system are divided into SU1 packets with higher priority and SU2 packets with lower priority. In order to control the access of the SU2 packets (including the new arrival SU2 packets and the interrupted SU2 packets), a dynamic access threshold is set. By building a discrete-time queueing model and constructing a three-dimensional Markov chain with the number of the three types of packets in the system, we derive some performance measures of the two types of the SU packets. Then, with numerical results, we show the change trends for the different performance measures. At last, considering the tradeoff between the throughput and the average delay of the SU2 packets, we build a net benefit function to make optimization for the access threshold.</jats:p> Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users Mobile Information Systems |
| spellingShingle | Zhao, Yuan, Wang, Jialiang, Liu, Jiemin, Bai, Luyi, Mobile Information Systems, Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users, Computer Networks and Communications, Computer Science Applications |
| title | Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_full | Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_fullStr | Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_full_unstemmed | Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_short | Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| title_sort | optimization of access threshold for cognitive radio networks with prioritized secondary users |
| title_unstemmed | Optimization of Access Threshold for Cognitive Radio Networks with Prioritized Secondary Users |
| topic | Computer Networks and Communications, Computer Science Applications |
| url | http://dx.doi.org/10.1155/2016/3297938 |