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b10-1. 雑誌掲載論文 >
このアイテムの引用には次の識別子を使用してください:
http://hdl.handle.net/10119/10529
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| タイトル: | Low Complexity Time-Concatenated Turbo Equalization for Block Transmission Without Guard Interval: Part 1—The Concept |
| 著者: | Anwar, Khoirul
Matsumoto, Tad |
| キーワード: | Single carrier signalling
guard interval
cyclic prefix
turbo equalization
intersymbol interference (ISI) |
| 発行日: | 2012-03-24 |
| 出版者: | Springer |
| 誌名: | Wireless Personal Communications |
| 巻: | 67 |
| 号: | 4 |
| 開始ページ: | 761 |
| 終了ページ: | 781 |
| DOI: | 10.1007/s11277-012-0563-0 |
| 抄録: | This paper proposes a novel time-concatenated turbo equalization technique, chained turbo equalization (CHATUE), that allows block transmission systems to eliminate the guard interval (GI), while achieving excellent performance. The proposed CHATUE algorithm connects turbo equalizers neighboring in time, so that they exchange information about their inter-block-interference components in the form of a posteriori log-likelihood ratio. The latest version of the low complexity sub-optimal turbo equalization technique for block-wise single carrier transmission, frequency domain soft cancellation and minimum mean squared error, is fully exploited in developing the CHATUE algorithm. Results of extrinsic information transfer chart analysis as well as a series of bit-error rate (BER) simulations show that excellent performances can be achieved without imposing heavy computational burden in multipath-rich (quasi-static) block Rayleigh fading channels. It is shown that, if the information bit-rate is kept identical (because it may be unpreferable for the industry to change the frame structure), the CHATUE algorithm achieves lower BER than that with block transmission with GI, because lower rate (strong) code for error protection can be used by utilizing the time-duration made available by eliminating the GI. In addition, by combining the proposed structure with a simple rate-1 doped accumulator, further BER improvement exhibiting clear turbo cliff can be achieved. A sister paper (a Part-2 paper) applies the proposed CHATUE algorithm to single carrier frequency division multiple access systems Hui et al. (Wirel Pers Commun, 2011). |
| Rights: | © The Author(s) 2012. This article is published with open access at Springerlink.com, Khoirul Anwar, Tad Matsumoto, Wireless Personal Communications, 67(4), 2012, 761-781. DOI: 10.1007/s11277-012-0563-0. The original publication is available at www.springerlink.com, http://dx.doi.org/10.1007/s11277-012-0563-0 |
| URI: | http://hdl.handle.net/10119/10529 |
| 資料タイプ: | author |
| 出現コレクション: | b10-1. 雑誌掲載論文 (Journal Articles)
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このアイテムのファイル:
| ファイル |
記述 |
サイズ | 形式 |
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| 17110.pdf | | 1190Kb | Adobe PDF | 見る/開く |
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