Power allocation of hybrid spectrum sharing based on the spatial location
Based on the random spatial location of the secondary user, a spatial hybrid spectrum sharing model which combines overlay with underlay was proposed to improve spectrum utilization. Considering the different location of sec-ondary user, the interference received by primary receiver was analyzed and...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2014-02-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/thesisDetails#10.3969/j.issn.1000-436x.2014.02.014 |
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| _version_ | 1850211819769036800 |
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| author | Yan CAI Jing ZHANG Hong-bo ZHU |
| author_facet | Yan CAI Jing ZHANG Hong-bo ZHU |
| author_sort | Yan CAI |
| collection | DOAJ |
| description | Based on the random spatial location of the secondary user, a spatial hybrid spectrum sharing model which combines overlay with underlay was proposed to improve spectrum utilization. Considering the different location of sec-ondary user, the interference received by primary receiver was analyzed and the work regions of the overlay and underlay were deduced under the primary user average interference constraint. The power allocation model was built under the criterion of maximizing the system average (ergodic) capacity. Furthermore, the optimal power allocation scheme was deduced as well as the maximum achievable capacity of the spatial hybrid spectrum sharing system. Analysis and simula-tion results indicate the hybrid spectrum sharing system has higher capacity than single overlay system. |
| format | Article |
| id | doaj-art-3d8fc843c5da4bb782def7ea2f36a080 |
| institution | OA Journals |
| issn | 1000-436X |
| language | zho |
| publishDate | 2014-02-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-3d8fc843c5da4bb782def7ea2f36a0802025-08-20T02:09:29ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2014-02-013510411059679570Power allocation of hybrid spectrum sharing based on the spatial locationYan CAIJing ZHANGHong-bo ZHUBased on the random spatial location of the secondary user, a spatial hybrid spectrum sharing model which combines overlay with underlay was proposed to improve spectrum utilization. Considering the different location of sec-ondary user, the interference received by primary receiver was analyzed and the work regions of the overlay and underlay were deduced under the primary user average interference constraint. The power allocation model was built under the criterion of maximizing the system average (ergodic) capacity. Furthermore, the optimal power allocation scheme was deduced as well as the maximum achievable capacity of the spatial hybrid spectrum sharing system. Analysis and simula-tion results indicate the hybrid spectrum sharing system has higher capacity than single overlay system.http://www.joconline.com.cn/thesisDetails#10.3969/j.issn.1000-436x.2014.02.014wireless communication;spectrum sharing;cognitive radio;power allocation |
| spellingShingle | Yan CAI Jing ZHANG Hong-bo ZHU Power allocation of hybrid spectrum sharing based on the spatial location Tongxin xuebao wireless communication;spectrum sharing;cognitive radio;power allocation |
| title | Power allocation of hybrid spectrum sharing based on the spatial location |
| title_full | Power allocation of hybrid spectrum sharing based on the spatial location |
| title_fullStr | Power allocation of hybrid spectrum sharing based on the spatial location |
| title_full_unstemmed | Power allocation of hybrid spectrum sharing based on the spatial location |
| title_short | Power allocation of hybrid spectrum sharing based on the spatial location |
| title_sort | power allocation of hybrid spectrum sharing based on the spatial location |
| topic | wireless communication;spectrum sharing;cognitive radio;power allocation |
| url | http://www.joconline.com.cn/thesisDetails#10.3969/j.issn.1000-436x.2014.02.014 |
| work_keys_str_mv | AT yancai powerallocationofhybridspectrumsharingbasedonthespatiallocation AT jingzhang powerallocationofhybridspectrumsharingbasedonthespatiallocation AT hongbozhu powerallocationofhybridspectrumsharingbasedonthespatiallocation |