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IEICE TRANSACTIONS on Communications

Excess-Bandwidth Transmit Filtering Based on Minimization of Variance of Instantaneous Transmit Power for Low-PAPR SC-FDE

Amnart BOONKAJAY, Tatsunori OBARA, Tetsuya YAMAMOTO, Fumiyuki ADACHI

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Summary :

Square-root Nyquist transmit filtering is typically used in single-carrier (SC) transmission. By changing the filter roll-off factor, the bit-error rate (BER), peak-to-average power ratio (PAPR), and spectrum efficiency (SE) changes, resulting in a tradeoff among these performance indicators. In this paper, assuming SC with frequency-domain equalization (SC-FDE), we design a new transmit filtering based on the minimum variance of instantaneous transmit power (VIP) criterion in order to reduce the PAPR of the transmit signal of SC-FDE. Performance evaluation of SC-FDE using the proposed transmit filtering is done by computer simulation, and shows that the proposed transmit filtering contributes lower transmit PAPR, while there exists only a small degradation in BER performance compared to SC-FDE using square-root Nyquist filtering.

Publication
IEICE TRANSACTIONS on Communications Vol.E98-B No.4 pp.673-685
Publication Date
2015/04/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E98.B.673
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Amnart BOONKAJAY
  Graduate School of Engineering, Tohoku University
Tatsunori OBARA
  Graduate School of Engineering, Tohoku University
Tetsuya YAMAMOTO
  Graduate School of Engineering, Tohoku University
Fumiyuki ADACHI
  Graduate School of Engineering, Tohoku University

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