Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network
Considering the non-real-time traffic in cognitive radio networks and two groups of licensed channels,com-bing the methods of random back-off and control center schedule,a novel hybrid channe allocation strategy with channel group switching mechanism was proposed.Taking into account the total number...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2013-12-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436X.2013.12.002/ |
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| _version_ | 1841539810982887424 |
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| author | Shun-fu JIN Hong-ting XIE Yuan ZHAO |
| author_facet | Shun-fu JIN Hong-ting XIE Yuan ZHAO |
| author_sort | Shun-fu JIN |
| collection | DOAJ |
| description | Considering the non-real-time traffic in cognitive radio networks and two groups of licensed channels,com-bing the methods of random back-off and control center schedule,a novel hybrid channe allocation strategy with channel group switching mechanism was proposed.Taking into account the total number of the cognitive packets and the numbers of the primary packets on each group channels,a three-dimensional Markov model was constructed,some cogniti user measures in terms of the blocking ratio,the packet loss ratio and the average delay were derived accordingly.Numerical results with analysis and simulation show that,as the back-off time changes,a tradeoff exists between different perfor-mance measures.Therefore,by minimizing the system cost,the back-off time can be optimized. |
| format | Article |
| id | doaj-art-69d5f65a14ec45faa32e8a774d9d1284 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2013-12-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-69d5f65a14ec45faa32e8a774d9d12842025-01-14T06:41:36ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2013-12-0134111959676163Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio networkShun-fu JINHong-ting XIEYuan ZHAOConsidering the non-real-time traffic in cognitive radio networks and two groups of licensed channels,com-bing the methods of random back-off and control center schedule,a novel hybrid channe allocation strategy with channel group switching mechanism was proposed.Taking into account the total number of the cognitive packets and the numbers of the primary packets on each group channels,a three-dimensional Markov model was constructed,some cogniti user measures in terms of the blocking ratio,the packet loss ratio and the average delay were derived accordingly.Numerical results with analysis and simulation show that,as the back-off time changes,a tradeoff exists between different perfor-mance measures.Therefore,by minimizing the system cost,the back-off time can be optimized.http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436X.2013.12.002/cognitive radio networkhybrid spectrum allocationgroup switchingMarkov modelback-off time |
| spellingShingle | Shun-fu JIN Hong-ting XIE Yuan ZHAO Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network Tongxin xuebao cognitive radio network hybrid spectrum allocation group switching Markov model back-off time |
| title | Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network |
| title_full | Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network |
| title_fullStr | Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network |
| title_full_unstemmed | Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network |
| title_short | Hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network |
| title_sort | hybrid channel allocation strategy with group switching and performance evaluation in cognitive radio network |
| topic | cognitive radio network hybrid spectrum allocation group switching Markov model back-off time |
| url | http://www.joconline.com.cn/zh/article/doi/10.3969/j.issn.1000-436X.2013.12.002/ |
| work_keys_str_mv | AT shunfujin hybridchannelallocationstrategywithgroupswitchingandperformanceevaluationincognitiveradionetwork AT hongtingxie hybridchannelallocationstrategywithgroupswitchingandperformanceevaluationincognitiveradionetwork AT yuanzhao hybridchannelallocationstrategywithgroupswitchingandperformanceevaluationincognitiveradionetwork |