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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sangjoon Park Hana Heo Gyuyeol Kong Sooyong Choi |
| Copyright Year | 2011 |
| Description | Author affiliation: School of Electrical and Electronic Engineering, Yonsei University, 134 Shinchon-Dong, Seodaemun-Gu, 120-749 Seoul, KOREA (Sangjoon Park; Hana Heo; Gyuyeol Kong; Sooyong Choi) |
| Abstract | The original form of the turbo equalizer is based on two maximum a posteriori probability (MAP) procedures. The MAP-based turbo equalizer using trellis diagram can significantly improve the bit error rate (BER) performance while it suffers from high computational complexity. Therefore, we propose a new suboptimal iterative turbo equalizer based on Kalman filtering framework in order to reduce high complexity of the MAP-based technique. The proposed receiver produces a posteriori information for a priori information of the channel decoder in the filtering step and obtains a priori information from the extrinsic information of the channel decoder. The proposed Kalman-based turbo equalizer operates in exactly the same way as the conventional Kalman equalizer. In the prediction step, we use the soft-valued extrinsic information of the channel decoder as a priori information of the desired signal to estimate and in the filtering step, calculate a posteriori information of the desired signal to estimate, which is a newly updated conditional probability when the a priori probability is given in the prediction step. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 636970 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781612848563 |
| ISSN | 15483746 |
| e-ISBN | 9781612848570 |
| e-ISBN | 9781612848556 |
| DOI | 10.1109/MWSCAS.2011.6026664 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-08-07 |
| Publisher Place | Korea (South) |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Educational institutions Equalizers |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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