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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhou Jing Chang Yongyu Zhe Chen Dacheng Yang |
| Copyright Year | 2010 |
| Abstract | A novel joint blind channel estimation and turbo equalization algorithm is proposed for orthogonal frequency-division multiplexing (OFDM) system in this paper. It has been proved that, blind channel estimation based on linear precoding can obtain channel information exactly. However, the precoding will cause inter-symbol interference (ISI). With the existence of ISI, the bit error rate (BER) performance of OFDM will be degraded seriously. In our proposed algorithm, we plan to combine this blind channel estimation algorithm with turbo equalization. On the one hand, turbo equalization can eliminate the ISI and improve system's performance; On the other hand, the a priori information provided by channel decoder conversely can be employed to boost the accuracy of blind channel estimation. Simulation results show that, compared with existing methods, our proposed algorithm can achieve better channel estimation accuracy and BER performance. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 277943 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424435739 |
| ISSN | 10903038 |
| DOI | 10.1109/VETECF.2010.5594171 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-09-06 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Blind equalizers OFDM Channel estimation Bit error rate Decoding Correlation Accuracy |
| Content Type | Text |
| Resource Type | Article |
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