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| Content Provider | IET Digital Library |
|---|---|
| Author | Gupta, Bhasker Saini, Davinder Singh |
| Abstract | Multiple input multiple output (MIMO) communication systems along with orthogonal frequency division multiplexing (OFDM) play a key role in designing next generation broadband wireless systems. Recently, low density parity check codes (LDPC) emerge as a good candidate for error correcting codes with capacity near Shannon's limit. In this study, the authors derive moment generating function- based closed-form upper bounds on the pairwise error probability for serially concatenated LDPC codes with Alamouti coded MIMO-OFDM systems. Also bit error rate expressions are derived for the mentioned concatenation scheme under spatially independent and correlated quasi-static Rayleigh, Rician and Nakagami fading channels. The authors’ general framework considers the impact on coding and diversity gains because of spatial, time and frequency correlations, both individually and in combined form. In this study, the authors introduced the coexistence of spatial, time and frequency correlation channel models for proposed concatenation scheme and evaluate its effect on coding and diversity gain. Simulation results show that the proposed concatenation scheme is integrated in such a way that it takes advantage of every individual block. Further, the upper bounds derived in this study matches with the analytical results. |
| Starting Page | 399 |
| Ending Page | 412 |
| Page Count | 14 |
| ISSN | 17518628 |
| Volume Number | 8 |
| e-ISSN | 17518636 |
| Issue Number | Issue 3, Feb (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/8/3 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0485 |
| Journal | IET Communications |
| Publisher Date | 2013-12-19 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Alamouti Coded MIMO-OFDM System Alamouti Coded Multiple Input Multiple Output-orthogonal Frequency Division Multiplexing System Code Concatenated Codes Concatenated LDPC Codes Concatenated Low Density Parity Check Codes Error Correcting Code Error Correction Code Error Statistics Function-based Pairwise Error Probability Analysis MIMO Communication Moment Generating Function- Based Closed-form Upper Bounds Nakagami Channel Nakagami Fading Channel Next Generation Broadband Wireless System OFDM Modulation Pairwise Error Probability Parity Check Code Quasi-static Rayleigh Fading Channel Radio Link And Equipment Rayleigh Channel Rician Channel Rician Fading Channel Statistics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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