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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Al-Rubaie, A.A.S. Tsimenidis, C.C. Johnston, M. Sharif, B. |
| Copyright Year | 2013 |
| Description | Author affiliation: Sch. of Electr. & Electron. Eng., Newcastle Univ., Newcastle upon Tyne, UK (Al-Rubaie, A.A.S.; Tsimenidis, C.C.; Johnston, M.) || Coll. of Eng., Khalifa Univ., Abu Dhabi, United Arab Emirates (Sharif, B.) |
| Abstract | Physical layer network coding (PNC) is a novel technique that allows two users to exchange messages in a wireless network. The most significant feature of PNC is the exploitation of interference at a relay due to incoming signals from two users, allowing an increase in throughput. In this paper, Extrinsic Information Transfer (ExIT) charts are employed to evaluate the performance of bit-interleaved coded modulation with iterative decoding (BICM-ID) combined with PNC. We address critical design issues to enhance decoding performance and provide analytical bounds on the performance. The analysis is extended for PNC employing Turbo and Low-Density Parity-Check (LDPC) codes to compare the performance with BICM-ID on the AWGN channel. Our results show that BICM-ID with PNC performs very similarly to a turbo-coded PNC scheme but, surprisingly, it outperforms a LDPC-coded PNC scheme, due to the Sum-Product decoding algorithm, which is less robust to unreliable symbols broadcast from the relay and needs more iterations to reach convergence. This shows that when considering trade-offs between performance and complexity, BICM-ID is an attractive coding scheme for wireless relay networks employing PNC. |
| Sponsorship | IEEE |
| Starting Page | 205 |
| Ending Page | 208 |
| File Size | 352692 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479924523 |
| DOI | 10.1109/ICECS.2013.6815390 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-12-08 |
| Publisher Place | United Arab Emirates |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Relays Decoding Iterative decoding Turbo codes Network coding Convergence |
| Content Type | Text |
| Resource Type | Article |
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