Subblock Processing for Frequency-Domain Turbo Equalization under Fast Fading Environments
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概要
- 論文の詳細を見る
Special Section on Radio Access Techniques for 3G EvolutionFrequency-domain equalization (FDE) has been studied for suppressing inter-symbol interference (ISI) due to frequency selective fading in single carrier systems. When a high-mobility terminal is assumed in the system, channel transition within an FDE block cannot be ignored. The ISI reduction performance of FDE degrades since the cyclicity of the channel matrix is lost. To solve this problem, a method of dividing the received data block into multiple subblocks has been proposed, where pseudo cyclic prefix (CP) processing is introduced to realize periodicity in each subblock. In this method, the performance is degraded by the inherently-inaccurate pseudo CP. In this paper, we study the application of frequency-domain turbo equalization (FDTE) to subblock processing for improving the accuracy of pseudo CP. The simulation results show that FDTE with subblock processing yields remarkable performance improvements.
- The Institute of Electronics, Information and Communication Engineersの論文
- 2009-05-01
著者
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NISHIMURA Toshihiko
Graduate School of Engineering, Hokkaido University
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OHGANE Takeo
Graduate School of Engineering, Hokkaido University
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OGAWA Yasutaka
Graduate School of Engineering, Hokkaido University
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Nishimura Tadashi
The Ulsi Development Center Mitsubishi Electric Corporation
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Nishimura Tadashi
Ulsi Research And Development Center Mitsubishi Electric Corporation
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Ogawa Y
Riken Wako‐shi Jpn
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Ohgane Takeo
Graduate School Of Engineering Hokkaido University
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Ogawa Yasutaka
Graduate School Of Engineering Hokkaido University
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Ogawa Yasutaka
Division Of Electronics And Information Engineering Faculty Of Engineering Hokkaido University
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KAMBARA Keiichi
Graduate School of Information Science and Technology, Hokkaido University
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NISHIMOTO Hiroshi
Graduate School of Information Science and Technology, Hokkaido University
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Kambara Keiichi
Graduate School Of Information Science And Technology Hokkaido University
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