Cooperative transmission design combining network coding and superposition coding
A joint network coding (NC) and superposition coding scheme was proposed to realize a cooperative transmission.The use of NC was able to improve spectral efficiency over classical decode and forward relaying strategy by relaxing the orthogonality constraint between different data streams and mitigat...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2012-08-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)08-0001-09/ |
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| _version_ | 1841539897371918336 |
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| author | Hai-rong WANG Yong-ming HUANG Lv-xi YANG |
| author_facet | Hai-rong WANG Yong-ming HUANG Lv-xi YANG |
| author_sort | Hai-rong WANG |
| collection | DOAJ |
| description | A joint network coding (NC) and superposition coding scheme was proposed to realize a cooperative transmission.The use of NC was able to improve spectral efficiency over classical decode and forward relaying strategy by relaxing the orthogonality constraint between different data streams and mitigating the resultant interference through precoding.In contrast to using the CSI based beamforming scheme which could achieve near optimal performance but involves huge computational complexity,designing the beamforming vector using the form of superposition coding was proposed,such that CSI at the transmitters were not required and the involved computation was greatly reduced.The theoretical analysis and simulation results reveal that the proposed scheme shows performances close to the near-optimal CSIT based scheme. |
| format | Article |
| id | doaj-art-3b5f52a37eaa4bc6ad61d94c1dfdad61 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2012-08-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-3b5f52a37eaa4bc6ad61d94c1dfdad612025-01-14T06:32:44ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2012-08-01331959664619Cooperative transmission design combining network coding and superposition codingHai-rong WANGYong-ming HUANGLv-xi YANGA joint network coding (NC) and superposition coding scheme was proposed to realize a cooperative transmission.The use of NC was able to improve spectral efficiency over classical decode and forward relaying strategy by relaxing the orthogonality constraint between different data streams and mitigating the resultant interference through precoding.In contrast to using the CSI based beamforming scheme which could achieve near optimal performance but involves huge computational complexity,designing the beamforming vector using the form of superposition coding was proposed,such that CSI at the transmitters were not required and the involved computation was greatly reduced.The theoretical analysis and simulation results reveal that the proposed scheme shows performances close to the near-optimal CSIT based scheme.http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)08-0001-09/network codingsuperposition codingcooperative transmissionprecoding |
| spellingShingle | Hai-rong WANG Yong-ming HUANG Lv-xi YANG Cooperative transmission design combining network coding and superposition coding Tongxin xuebao network coding superposition coding cooperative transmission precoding |
| title | Cooperative transmission design combining network coding and superposition coding |
| title_full | Cooperative transmission design combining network coding and superposition coding |
| title_fullStr | Cooperative transmission design combining network coding and superposition coding |
| title_full_unstemmed | Cooperative transmission design combining network coding and superposition coding |
| title_short | Cooperative transmission design combining network coding and superposition coding |
| title_sort | cooperative transmission design combining network coding and superposition coding |
| topic | network coding superposition coding cooperative transmission precoding |
| url | http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)08-0001-09/ |
| work_keys_str_mv | AT hairongwang cooperativetransmissiondesigncombiningnetworkcodingandsuperpositioncoding AT yongminghuang cooperativetransmissiondesigncombiningnetworkcodingandsuperpositioncoding AT lvxiyang cooperativetransmissiondesigncombiningnetworkcodingandsuperpositioncoding |