Iterative Precoding Scheme for Downlink OFDMA System with Carrier-Frequency Offset(Wireless Communication Technologies)
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概要
- 論文の詳細を見る
In orthogonal frequency-division multiplex access (OFDMA) downlink systems, the carrier-frequency offset (CFO) between the multiple transceivers introduces inter-carrier interference (ICI). In this letter, we propose an iterative precoding scheme to suppress the ICI due to CFO. This scheme is applied at the transmitter, and can jointly cancel the ICI for all the receivers. Moreover, by the studies of the convergence behavior of the iterations, a sufficient condition for the convergence is presented. The theoretical analysis and simulation results both show that this iterative scheme is equivalent to the zero-forcing (ZF) scheme in function, but with much lower complexity.
- 社団法人電子情報通信学会の論文
- 2007-09-01
著者
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WANG Jing
National Laboratory for Information Science and Technology, Tsinghua University
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Wang Jing
Tsinghua Univ. Beijing Chn
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Wang Jing
National Laboratory For Information Science And Technology Tsinghua University
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Zhou Shidong
Tsinghua Univ. Beijing Chn
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Zhou Shidong
The State Key Lab. On Microwave And Digital Communication Tsinghua University
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Zhou Shidong
National Laboratory For Information Science And Technology Tsinghua University
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Huang Min
National Laboratory For Information Science And Technology Tsinghua University
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ZHAO Ming
National Laboratory for Information Science and Technology, Tsinghua University
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Wang Jing
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Zhao Ming
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Wang Jing
State Key Laboratory On Microwave And Digital Communications Tsinghua National Laboratory For Inform
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Zhao Ming
National Laboratory For Information Science And Technology Tsinghua University
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Wang Jing
National Key Laboratory Of Crop Genetic Improvement National Center Of Crop Molecular Breeding Huazhong Agricultural University
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