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| Content Provider | IET Digital Library |
|---|---|
| Author | Ahmed, Saleem Kim, Sooyoung |
| Abstract | In this study, the authors propose a joint iterative detection and decoding (JIDD) method for a turbo coded multiple-input multiple-output (MIMO) system, with a linear order of complexity. Accurate estimation of soft information should be conditioned for excellent performance of the JIDD, but it usually requires an exponential order of complexity. They propose a method which improves the performance of soft interference cancellation minimum mean-squared error (SIC-MMSE) method by increasing the reliability of the soft information utilised for interference cancellation. The proposed method utilises a posteriori probabilities from the MIMO detector as well as a priori probabilities from the turbo decoder, and perform soft minimum mean-squared error filtering for symbol level detection. With this approach, soft information is fully fed into the symbol detection process, and thus the reliability of soft symbol is increased. In addition, they can separate out the bit-level soft estimation process by using a simple linear method. Simulation results show that the proposed method provides substantial complexity reduction, with a bit error rate performance comparable to the conventional SIC-MMSE methods. |
| Starting Page | 2107 |
| Ending Page | 2113 |
| Page Count | 7 |
| ISSN | 17518628 |
| Volume Number | 9 |
| e-ISSN | 17518636 |
| Issue Number | Issue 17, Nov (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/9/17 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0225 |
| Journal | IET Communications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Bit Error Rate Performance Code Electromagnetic Compatibility Error Statistics Filtering Theory Interference Interference Cancellation Interference Suppression Interpolation And Function Approximation Iterative Decoding JIDD Method Joint Iterative Detection And Decoding Method Joint Iterative Multiple Input Multiple Output Detection Least Mean Squares Method Linear Code Linear Method Maximum Likelihood Estimation MIMO Communication MIMO Detector Minimum Mean Square Error Filtering Method Numerical Analysis Posteriori Probability Priori Probability Radio Link And Equipment Reliability SIC-MMSE Method Signal Detection Soft Information Bit Estimation Reliability Soft Interference Cancellation Performance Soft Symbol Reliability Statistics Substantial Complexity Reduction Symbol Level Detection Process Telecommunication Network Reliability Turbo Code Turbo Coded MIMO System Turbo Decoder |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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