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Parallel interference cancellation for carrier frequency offset in OFDM assisted with recursive least squares algorithm 被引量：2

Parallel interference cancellation for carrier frequency offset in OFDM assisted with recursive least squares algorithm
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摘要 Parallel interference cancellation （PIC） interference due to the carrier frequency assisted with recursive least squares offset （CFO） in orthogonal frequency （RLS） algorithm is proposed to cancel the division multiplexing （OFDM） system. The proposed algorithm is composed of two stages, which are RLS scheme and PIC scheme. RLS scheme is selected to compensate the frequency offset in the time domain in the first stage, and the interference induced by residual frequency offset is canceled by the PIC scheme in the frequency domain in the second stage. The result of bit error rate （BER） shows that its performance is robust for cancellation as comparison criteria, even though the frequency offset is 0.45. The 16QAM constellation is also simulated to observe the improvements from the proposed suppression schemes. Parallel interference cancellation （PIC） interference due to the carrier frequency assisted with recursive least squares offset （CFO） in orthogonal frequency （RLS） algorithm is proposed to cancel the division multiplexing （OFDM） system. The proposed algorithm is composed of two stages, which are RLS scheme and PIC scheme. RLS scheme is selected to compensate the frequency offset in the time domain in the first stage, and the interference induced by residual frequency offset is canceled by the PIC scheme in the frequency domain in the second stage. The result of bit error rate （BER） shows that its performance is robust for cancellation as comparison criteria, even though the frequency offset is 0.45. The 16QAM constellation is also simulated to observe the improvements from the proposed suppression schemes.
作者 GUAN Qing-yang ZHAO Hong-lin GUO Qing
机构地区 Communication Research Center
出处 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2010年第3期13-19,共7页 中国邮电高校学报（英文版）
关键词 OFDM CFO RLS PIC OFDM, CFO, RLS, PIC
分类号 TN929.533 [电子电信—通信与信息系统] TP271.7 [自动化与计算机技术—检测技术与自动化装置]
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参考文献20

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同被引文献22

  • 1朱维红,高振明,高有军,许峰.滤波多音调制系统频偏分析与仿真[J].通信学报,2005,26(9):123-128. 被引量：3
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The Journal of China Universities of Posts and Telecommunications
2010年 第3期

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