Research on space focusing virtual coverage based on orthogonal frequency time reversal method
To solve the problem of information leakage and coverage efficiency in ultra-dense wireless network,the orthogonal frequency-time reversal virtual coverage scheme was proposed.At first,different wireless reversal channels with lower correlation were distinguished by orthogonal carries.Next,after tim...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2019-10-01
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| Series: | Tongxin xuebao |
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| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2019211/ |
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| _version_ | 1841539365956747264 |
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| author | Yifang NIE Fangwei LI |
| author_facet | Yifang NIE Fangwei LI |
| author_sort | Yifang NIE |
| collection | DOAJ |
| description | To solve the problem of information leakage and coverage efficiency in ultra-dense wireless network,the orthogonal frequency-time reversal virtual coverage scheme was proposed.At first,different wireless reversal channels with lower correlation were distinguished by orthogonal carries.Next,after time reversal,the space focusing of each target signal was realized around the terminal.Then,theoretical expressions of the signal coverage and the signal-interference-to-noise ratio were derived and proved.Ultimately,the virtual coverage was shaped,meeting the requirements of users.The coverage of unrelated user not belonging to system was reduced.The results show that those unrelated users are difficult to receive the target signal because of virtual coverage.In addition,the system has higher capacity and security rate of reliable transmission without any more power or antennas. |
| format | Article |
| id | doaj-art-9897d5c7c9bd4bb99ae52141257b9dc8 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2019-10-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-9897d5c7c9bd4bb99ae52141257b9dc82025-01-14T07:17:50ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2019-10-0140304159730016Research on space focusing virtual coverage based on orthogonal frequency time reversal methodYifang NIEFangwei LITo solve the problem of information leakage and coverage efficiency in ultra-dense wireless network,the orthogonal frequency-time reversal virtual coverage scheme was proposed.At first,different wireless reversal channels with lower correlation were distinguished by orthogonal carries.Next,after time reversal,the space focusing of each target signal was realized around the terminal.Then,theoretical expressions of the signal coverage and the signal-interference-to-noise ratio were derived and proved.Ultimately,the virtual coverage was shaped,meeting the requirements of users.The coverage of unrelated user not belonging to system was reduced.The results show that those unrelated users are difficult to receive the target signal because of virtual coverage.In addition,the system has higher capacity and security rate of reliable transmission without any more power or antennas.http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2019211/wireless ultra-dense networkreliable transmissionorthogonal frequency time reversalvirtual coverage |
| spellingShingle | Yifang NIE Fangwei LI Research on space focusing virtual coverage based on orthogonal frequency time reversal method Tongxin xuebao wireless ultra-dense network reliable transmission orthogonal frequency time reversal virtual coverage |
| title | Research on space focusing virtual coverage based on orthogonal frequency time reversal method |
| title_full | Research on space focusing virtual coverage based on orthogonal frequency time reversal method |
| title_fullStr | Research on space focusing virtual coverage based on orthogonal frequency time reversal method |
| title_full_unstemmed | Research on space focusing virtual coverage based on orthogonal frequency time reversal method |
| title_short | Research on space focusing virtual coverage based on orthogonal frequency time reversal method |
| title_sort | research on space focusing virtual coverage based on orthogonal frequency time reversal method |
| topic | wireless ultra-dense network reliable transmission orthogonal frequency time reversal virtual coverage |
| url | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2019211/ |
| work_keys_str_mv | AT yifangnie researchonspacefocusingvirtualcoveragebasedonorthogonalfrequencytimereversalmethod AT fangweili researchonspacefocusingvirtualcoveragebasedonorthogonalfrequencytimereversalmethod |