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| Content Provider | IET Digital Library |
|---|---|
| Author | Liu, Wei Lei, Jing Imran, Muhammad Ali Tang, Chaojing |
| Abstract | It is generally thought that space-time block codes (STBCs) can obtain no more than full space diversity. In this study, the authors propose a new construction method of joint orthogonal STBCs based on M-dimensional lattice constellations for obtaining space and time diversities simultaneously. By deriving the Chernoff bound of error probability, they prove the exact diversity gain of the proposed code is M times of that in traditional STBCs. This is a valuable scheme as diversity gain is usually the primary factor to determine the ability of anti-fading. Moreover, the maximum-likelihood decoder for the proposed code just requires joint decoding of M real symbols, whose complexity is acceptable as M, usually, needs not to be too big. Numerical results show that the proposed code has remarkable improvement of performance compared with some typical STBCs under the comparable low decoding complexity. |
| Starting Page | 2274 |
| Ending Page | 2280 |
| Page Count | 7 |
| ISSN | 17518628 |
| Volume Number | 9 |
| e-ISSN | 17518636 |
| Issue Number | Issue 18, Dec (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/9/18 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0737 |
| Journal | IET Communications |
| Publisher Date | 2015-12-17 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Block Codes Chernoff Bound Code Diversity Gain Error Probability Error Statistics Joint Orthogonal Space Time Block Coding Lattice Constellation M-dimensional Lattice Constellations Maximum Likelihood Decoding Maximum-likelihood Decoder Orthogonal Code Space Diversity Statistics STBC Time Diversities |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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