Joint power control for untrusted relay cooperation-based confidential communication
The scenario that multiple cell-edge mobile stations (MS) all without direct-links to the base station (BS) but have confidential messages in the uplink in the presence of untrusted relay (UR) cooperation was considered.In order to implement the secure communication between BS and multiple MS，destin...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2014-11-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/thesisDetails#10.11959/j.issn.1000-436x.2014.11.007 |
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| _version_ | 1850211789067780096 |
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| author | Wen-jiang FENG Wei-heng JIANG Yi-na DENG Yang YUAN |
| author_facet | Wen-jiang FENG Wei-heng JIANG Yi-na DENG Yang YUAN |
| author_sort | Wen-jiang FENG |
| collection | DOAJ |
| description | The scenario that multiple cell-edge mobile stations (MS) all without direct-links to the base station (BS) but have confidential messages in the uplink in the presence of untrusted relay (UR) cooperation was considered.In order to implement the secure communication between BS and multiple MS，destination-based jamming (DBJ) scheme was adopted.With the assumption that all MS had fixed transmit power，the joint UR and BS power control which aims at maximizing system sum secrecy rate was discussed.For this problem，analysis indicated that it was equivalent to joint access control and power allocation problem thus its NP-hard.Through problem relaxation，a suboptimal MS access control and alternatively power allocation algorithm was provided.This algorithm is proved to have polynomial complexity and can converge to at least a suboptimal solution for original problem.Simulation results show that compared with the benchmark algorithms，the proposed suboptimal algorithm is better in the achievable secrecy rate performance. |
| format | Article |
| id | doaj-art-b1000c53842945f3abe7e02ed773807e |
| institution | OA Journals |
| issn | 1000-436X |
| language | zho |
| publishDate | 2014-11-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-b1000c53842945f3abe7e02ed773807e2025-08-20T02:09:29ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2014-11-0135596859686222Joint power control for untrusted relay cooperation-based confidential communicationWen-jiang FENGWei-heng JIANGYi-na DENGYang YUANThe scenario that multiple cell-edge mobile stations (MS) all without direct-links to the base station (BS) but have confidential messages in the uplink in the presence of untrusted relay (UR) cooperation was considered.In order to implement the secure communication between BS and multiple MS，destination-based jamming (DBJ) scheme was adopted.With the assumption that all MS had fixed transmit power，the joint UR and BS power control which aims at maximizing system sum secrecy rate was discussed.For this problem，analysis indicated that it was equivalent to joint access control and power allocation problem thus its NP-hard.Through problem relaxation，a suboptimal MS access control and alternatively power allocation algorithm was provided.This algorithm is proved to have polynomial complexity and can converge to at least a suboptimal solution for original problem.Simulation results show that compared with the benchmark algorithms，the proposed suboptimal algorithm is better in the achievable secrecy rate performance.http://www.joconline.com.cn/thesisDetails#10.11959/j.issn.1000-436x.2014.11.007OFDMA;untrusted relay;power control;information-theoretic security |
| spellingShingle | Wen-jiang FENG Wei-heng JIANG Yi-na DENG Yang YUAN Joint power control for untrusted relay cooperation-based confidential communication Tongxin xuebao OFDMA;untrusted relay;power control;information-theoretic security |
| title | Joint power control for untrusted relay cooperation-based confidential communication |
| title_full | Joint power control for untrusted relay cooperation-based confidential communication |
| title_fullStr | Joint power control for untrusted relay cooperation-based confidential communication |
| title_full_unstemmed | Joint power control for untrusted relay cooperation-based confidential communication |
| title_short | Joint power control for untrusted relay cooperation-based confidential communication |
| title_sort | joint power control for untrusted relay cooperation based confidential communication |
| topic | OFDMA;untrusted relay;power control;information-theoretic security |
| url | http://www.joconline.com.cn/thesisDetails#10.11959/j.issn.1000-436x.2014.11.007 |
| work_keys_str_mv | AT wenjiangfeng jointpowercontrolforuntrustedrelaycooperationbasedconfidentialcommunication AT weihengjiang jointpowercontrolforuntrustedrelaycooperationbasedconfidentialcommunication AT yinadeng jointpowercontrolforuntrustedrelaycooperationbasedconfidentialcommunication AT yangyuan jointpowercontrolforuntrustedrelaycooperationbasedconfidentialcommunication |