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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Rezaei, S.S.C. Gharan, S.O. Khandani, A.K. |
| Copyright Year | 2009 |
| Description | Author affiliation: Coding & Signal Transmission Laboratory, Department of Electrical & Computer Engineering, University of Waterloo, ON, N2L 3G1, Canada (Rezaei, S.S.C.; Gharan, S.O.; Khandani, A.K.) |
| Abstract | Schein and Gallager introduced the Gaussian parallel elay channel in 2000. They proposed the Amplify-and-Forward AF) and the Decode-and-Forward (DF) strategies for his channel. For a long time, the best known achievable rate for his channel was based on the AF and DF with time sharing AF-DF). Recently, a Rematch-and-Forward (RF) scheme for he scenario in which different amounts of bandwidth can be ssigned to the first and second hops were proposed. In this aper, we propose a Combined Amplify-and-Decode Forward CADF) scheme for the Gaussian parallel relay channel. We rove that the CADF scheme always gives a better achievable ate compared to the RF scheme, when there is a bandwidth ismatch between the first hop and the second hop. Furthermore, or the equal bandwidth case (Schein's setup), we show hat the time sharing between the CADF and the DF schemes CADF-DF) leads to a better achievable rate compared to the ime sharing between the RF and the DF schemes (RF-DF) as ell as the AF-DF. |
| Starting Page | 194 |
| Ending Page | 198 |
| File Size | 888308 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424443123 |
| DOI | 10.1109/ISIT.2009.5205607 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-06-28 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Relays Radio frequency Time sharing computer systems Bandwidth Decoding Broadcasting Laboratories Concurrent computing Wireless communication Communication channels |
| Content Type | Text |
| Resource Type | Article |
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