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| Content Provider | IET Digital Library |
|---|---|
| Author | Kang, In Woong Lee, Young Jun Kim, Youngmin Seo, Jae Hyun Kim, Heung Mook Kim, Hyoung Nam |
| Abstract | This study proposes a soft ordered successive interference cancellation (OSIC) receiver accompanied by a simplified log-likelihood ratio calculation method for a dual-polarised multiple-input multiple-output (MIMO) digital video broadcasting-second generation terrestrial system. The future terrestrial transmission systems will be required to provide high data rates for ultra-high definition television service. For this purpose, dual-polarised MIMO techniques with a little cross-antenna interference and high-order modulation schemes have been considered. As the cross-antenna interference needs to be removed, a soft OSIC receiver can be used effectively. However, the receiver has to endure high computational complexity for calculating soft values. To reduce it, the authors simplified the calculation based on the decision threshold (DT) method. The main contribution of this study is to extend the conventional DT method, which is restricted to only low-order modulations, to an algorithmic process applicable to any modulation order. The proposed soft OSIC receiver has about 1 dB degradation from the soft OSIC receiver with the maximum-likelihood calculation of soft values. The degradation can be fully rewarded by the significantly reduced computational complexity. Furthermore, this study presents an additional possibility of improving the decoding performance by modelling the OSIC equaliser as a biased estimator. |
| Starting Page | 3280 |
| Ending Page | 3289 |
| Page Count | 10 |
| ISSN | 17518628 |
| Volume Number | 8 |
| e-ISSN | 17518636 |
| Issue Number | Issue 18, Dec (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/8/18 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.0510 |
| Journal | IET Communications |
| Publisher Date | 2014-12-18 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Algorithmic Process Antenna Array Biased Estimator Code Communication Channel Equalisation And Identification Communication Complexity Computational Complexity Cross-antenna Interference Decision Threshold Method Decoding Decoding Performance Digital Video Broadcasting Digital Video Broadcasting Second Generation Terrestrial System Digital Video Broadcasting-second Generation Terrestrial Receivers Dual-polarised MIMO Technique Electromagnetic Compatibility Equaliser High Definition Television High-order Modulation Scheme Interference Interference Suppression Log-likelihood Ratio Calculation Method Low-order Modulations Maximum-likelihood Calculation MIMO Communication Modulation Multiple-input Multiple-output OSIC Equaliser Radio And Television Broadcasting Radio Link And Equipment Soft Ordered Successive Interference Cancellation Soft OSIC Receiver Television Antenna Television Receiver Terrestrial Transmission System Ultra-high Deflnition Television Service |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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