Detection for physical-layer network coding in two-way relay channels
The detection for physical-layer network coding (PNC) in two-way relay channels was investigated.Maximum-likelihood (ML) detection not only had great performance but also had high computational complexity.Therefore,without channel state information (CSI) at source nodes,two detection schemes were pr...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2012-02-01
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| Series: | Tongxin xuebao |
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| Online Access: | http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)02-0082-05/ |
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| author | Wei YAN Yue-ming CAI Cheng-kang PAN |
| author_facet | Wei YAN Yue-ming CAI Cheng-kang PAN |
| author_sort | Wei YAN |
| collection | DOAJ |
| description | The detection for physical-layer network coding (PNC) in two-way relay channels was investigated.Maximum-likelihood (ML) detection not only had great performance but also had high computational complexity.Therefore,without channel state information (CSI) at source nodes,two detection schemes were proposed.The first scheme was likelihood ratio(LR)detection based on LR function,and the other was maximum a posteriori probability (MAP) detection based on MAP rule.Meanwhile,It carried out similar analysis if CSI was available at source nodes.Compared to ML detection which separately detects two source messages,numerical and simulation results show that LR detection outperforms it in terms of BER metric with the requirement for additional noise variance information.And MAP detection is equivalent to ML detection,and it has lower computational complexity. |
| format | Article |
| id | doaj-art-837c48c7e4bc4f6192ed40950520300a |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2012-02-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-837c48c7e4bc4f6192ed40950520300a2025-01-14T06:31:11ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2012-02-0133828659660188Detection for physical-layer network coding in two-way relay channelsWei YANYue-ming CAICheng-kang PANThe detection for physical-layer network coding (PNC) in two-way relay channels was investigated.Maximum-likelihood (ML) detection not only had great performance but also had high computational complexity.Therefore,without channel state information (CSI) at source nodes,two detection schemes were proposed.The first scheme was likelihood ratio(LR)detection based on LR function,and the other was maximum a posteriori probability (MAP) detection based on MAP rule.Meanwhile,It carried out similar analysis if CSI was available at source nodes.Compared to ML detection which separately detects two source messages,numerical and simulation results show that LR detection outperforms it in terms of BER metric with the requirement for additional noise variance information.And MAP detection is equivalent to ML detection,and it has lower computational complexity.http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)02-0082-05/physical-layer network codingmaximum-likelihoodlikelihood ratiomaximum a posteriori probabilitydetection |
| spellingShingle | Wei YAN Yue-ming CAI Cheng-kang PAN Detection for physical-layer network coding in two-way relay channels Tongxin xuebao physical-layer network coding maximum-likelihood likelihood ratio maximum a posteriori probability detection |
| title | Detection for physical-layer network coding in two-way relay channels |
| title_full | Detection for physical-layer network coding in two-way relay channels |
| title_fullStr | Detection for physical-layer network coding in two-way relay channels |
| title_full_unstemmed | Detection for physical-layer network coding in two-way relay channels |
| title_short | Detection for physical-layer network coding in two-way relay channels |
| title_sort | detection for physical layer network coding in two way relay channels |
| topic | physical-layer network coding maximum-likelihood likelihood ratio maximum a posteriori probability detection |
| url | http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)02-0082-05/ |
| work_keys_str_mv | AT weiyan detectionforphysicallayernetworkcodingintwowayrelaychannels AT yuemingcai detectionforphysicallayernetworkcodingintwowayrelaychannels AT chengkangpan detectionforphysicallayernetworkcodingintwowayrelaychannels |