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Content Provider | IEEE Xplore Digital Library |
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Author | Keunhyung Lee Huisoo Lee Yongwook Lee Jihyun Lee Wangrok Oh |
Copyright Year | 2008 |
Description | Author affiliation: Div. of Electr. & Inf. Eng., Chungnam Nat. Univ., Daejeon (Keunhyung Lee; Huisoo Lee; Yongwook Lee; Jihyun Lee; Wangrok Oh) |
Abstract | The performance of turbo code is optimized when a slightly under estimated channel signal-to-noise ratio (SNR) is used within an iterative maximum a posteriori probability (MAP) turbo decoder. We investigate the behavior of iterative MAP turbo decoder under the channel SNR estimation offset and propose a new scheme for setting the channel reliability value for iterative MAP turbo decoders which is not a function of the channel SNR. Simulation results show that the new scheme provides better error performance compared to the traditional method in addition to not requiring an SNR estimator. |
Starting Page | 333 |
Ending Page | 334 |
File Size | 128334 |
Page Count | 2 |
File Format | |
ISBN | 9780769533933 |
DOI | 10.1109/WiMob.2008.97 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-10-12 |
Publisher Place | France |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | turbo codes iterative MAP decoder Bit error rate Estimation Channel estimation Turbo codes Decoding Channel reliability value Iterative decoding Signal to noise ratio |
Content Type | Text |
Resource Type | Article |
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