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| Content Provider | IET Digital Library |
|---|---|
| Author | Li, Qiang Teh, Kah Chan Li, Kwok Hung |
| Abstract | A low-complexity channel estimation algorithm is proposed to improve performance of two high frequency standardised waveforms: MIL-STD-188-110B Appendix C standard and STANAG 4285. In the proposed estimation algorithm, the channel impulse response is modelled as a linear-time function within a frame and the least square criterion is adopted. With the estimated CIRs, the authors study and compare bit-error-rate (BER) performance and complexity of three turbo equalisation (TEQ) schemes, including the minimum mean-square error (MMSE), the MMSE with decision feedback equalisation (DFE) (MMSE-DFE) and the soft-feedback interference-cancellation (SFIC) turbo receivers. The authors then propose a hybrid TEQ scheme that uses the MMSE-DFE equaliser for the first iteration and the SFIC equaliser for the rest. Simulation results show that the proposed channel estimation algorithm performs well and the TEQ schemes realise a significant performance improvement as compared with a non-iterative receiver. Moreover, the proposed hybrid TEQ scheme achieves the best trade-off between BER and complexity for the MIL-STD-188-110B Appendix C standard, whereas the SFIC-TEQ scheme is optimal for the STANAG 4285 standard. |
| Starting Page | 980 |
| Ending Page | 987 |
| Page Count | 8 |
| ISSN | 17518628 |
| Volume Number | 7 |
| e-ISSN | 17518636 |
| Issue Number | Issue 10, Jul (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/7/10 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2012.0811 |
| Journal | IET Communications |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | BER Performance Bit-error Rate Channel Estimation Channel Impulse Response CIR Communication Channel Equalisation And Identification Decision Feedback Equalisation Electromagnetic Compatibility Equaliser Error Statistics Estimation Algorithm Feedback High Frequency Channel High Frequency Standardised Waveform Hybrid TEQ Scheme Interference Interference Suppression Interpolation And Function Approximation Iteration Iterative Method Least Mean Squares Method Least Square Criterion Least Squares Approximation Linear-time Function Low-complexity Channel Estimation Algorithm MIL-STD-188-110B Appendix C Standard Minimum Mean-Square Error MMSE MMSE-DFE Equaliser Noniterative Receiver Numerical Analysis Radio Link And Equipment Radio Receiver SFIC Equaliser SFIC Turbo Receiver Soft-feedback Interference-cancellation STANAG 4285 Statistics Telecommunication Channel Turbo Equalisation Turbo Equalisation Scheme |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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