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| Content Provider | IET Digital Library |
|---|---|
| Author | Deng, Dachun Xu, Dazhuan Xu, Shengkai |
| Abstract | Systematic Luby transform (SLT) codes over the additive white Gaussian noise (AWGN) multiple access channels (MACs) are analysed in this study. The authors introduce a novel optimisation model extending from the point-to-point AWGN channels to design the degree distributions over the AWGN MACs, which dramatically improve the bit-error-rate (BER) performance of SLT codes. First, they extend the Gaussian approximation analysis of SLT codes to the AWGN MACs to analyse the asymptotic BER performance where the symmetric condition of log-likelihood ratio message can no longer be assumed. Second, based on the asymptotic BER analysis over the AWGN MACs, they extend the existing optimisation model from the point-to-point AWGN channels to the AWGN MACs. Simulation results show that the degree distributions obtained in this study outperform other common degree distributions (optimised for single-user AWGN channels) over the two-user AWGN MACs. |
| Starting Page | 1351 |
| Ending Page | 1358 |
| Page Count | 8 |
| ISSN | 17518628 |
| Volume Number | 12 |
| e-ISSN | 17518636 |
| Issue Number | Issue 11, Jul (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/12/11 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2017.1063 |
| Journal | IET Communications |
| Publisher Date | 2018-03-21 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | (SLT) Codes Additive White Gaussian Noise Multiple Access Channel Asymptotic BER Analysis Asymptotic BER Performance AWGN AWGN Channel AWGN Multiple Access Channel Bit-error-rate Performance Channel Coding Code Degree Distributions Error Statistics Existing Optimisation Model Gaussian Approximation Analysis Novel Optimisation Model Optimisation Optimisation Design Point-to-point AWGN Channel Radio Link And Equipment SLT Code Statistics Systematic LT Code Systematic Luby Two-user AWGN MACs |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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