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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Unhee Park Sooyoung Kim Youngmin Kim Pingping Shang |
| Copyright Year | 2009 |
| Description | Author affiliation: Division of Electronics & Information Engineering, Chonbuk National University, 664-14 Duckjin-dong, Jeonju 561-756, Korea (Unhee Park; Sooyoung Kim; Youngmin Kim; Pingping Shang) |
| Abstract | This paper analyzes the relationship between soft decision detected values and the performance of turbo codes. Proper utilization of channel quality information is one of the important factors affects on the performance of turbo codes. If a space time block coding (STBC) scheme is used with turbo codes, the output of the STBC decoder should be fed into a decoder of turbo codes in the form of soft decision information. In this case, the channel quality information is contained in this soft decision information. Therefore, the performance of turbo codes is subject to how the STBC scheme generates soft decision information from its detection process. In this paper, we investigate a number of STBC schemes, and present suitable soft decision information for turbo codes. Simulation results show that a conventional QO-STBC scheme can highly degrade the performance of the turbo codes unless its soft detection information is carefully modified. |
| Starting Page | 520 |
| Ending Page | 524 |
| File Size | 472776 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424445219 |
| DOI | 10.1109/ISCIT.2009.5341191 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-28 |
| Publisher Place | South Korea |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Degradation Transmitting antennas Diversity reception Receiving antennas Forward error correction Turbo codes Performance analysis Block codes Iterative decoding Information analysis |
| Content Type | Text |
| Resource Type | Article |
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