Iterative Superimposed Pilot-Assisted Channel Estimation Using Sliding Wiener Filtering for Single-Carrier Block Transmission

Uchiumi, Tetsuya; Tatsunori, Obara; Takeda, Kazuhisa; Adachi, Fumiyuki

doi:10.1587/transcom.e95.b.924

IEICE Trans. Commun.

2012

DOI: 10.1587/transcom.e95.b.924

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Iterative Superimposed Pilot-Assisted Channel Estimation Using Sliding Wiener Filtering for Single-Carrier Block Transmission

Tetsuya Uchiumi

Obara Tatsunori

Kazuhisa Takeda

et al.

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2014

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The Performance Improvement Method using Decision Feedback Channel Estimation Scheme in PB/MC-CDMA System

Lee¹,

Kim

2014

Journal of Digital Convergence

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In this paper, to improve the performance of PB/MC-CDMA system, we have researched about the decision feedback channel estimation method using the pilot symbol with data symbol. The PB/MC-CDMA system is able to obtain the improved BER by frequency diversity gain and frequency domain equalizer in the frequency selective fading channel. However, when it is not the estimating of channel exactly, it is degrading the performance of BER in the system for occurred the interference among users. To improve the performane system in the multi-user environment the proposed system is using the decision feedback to estimate channel using the channel estimated value of the first stage and second stage. The proposed system is evaluated by computer simulation. The proposed system is not only able to improve the performance of BER by decreasing the interference to each user, but also the proposed system is possible to reduce number of pilot symbol to estimate the channel. Therefore, it confirmed the proposed system improves the performance than the conventional system.

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The Performance Improvement Method using Decision Feedback Channel Estimation Scheme in PB/MC-CDMA System

Lee¹,

Kim

2014

Journal of Digital Convergence

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Iterative Superimposed Pilot-Assisted Channel Estimation Using Sliding Wiener Filtering for Single-Carrier Block Transmission

Cited by 1 publication

References 14 publications

The Performance Improvement Method using Decision Feedback Channel Estimation Scheme in PB/MC-CDMA System

The Performance Improvement Method using Decision Feedback Channel Estimation Scheme in PB/MC-CDMA System

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