Frequency-domain pre-rake transmission for DSSS/TDD mobile communications systems

Fumiyuki Adachi; Kazuaki Takeda; Hiromichi Tomeba

doi:10.1093/ietcom/E88-B.2.784

Frequency-domain pre-rake transmission for DSSS/TDD mobile communications systems

Fumiyuki Adachi, Kazuaki Takeda, Hiromichi Tomeba

IRIDeS - Resilient EICT Research Promotion Office

Tohoku University

Research output: Contribution to journal › Article › peer-review

Abstract

In this Letter, a frequency-domain pre-rake transmission is presented for a direct sequence spread spectrum with time division duplex (DSSS/TDD) system under a frequency-selective fading channel. The mathematical relationship between frequency-domain and time-domain pre-rake transmissions is discussed. It is confirmed by the computer simulation that, similar to the time-domain pre-rake transmission, frequency-domain pre-rake transmission can improve the bit error rate (BER) performance. The frequency-domain pre-rake transmission shows only slight performance degradation compared to the frequency-domain rake reception for large SF.

Original language	English
Pages (from-to)	784-787
Number of pages	4
Journal	IEICE Transactions on Communications
Volume	E88-B
Issue number	2
DOIs	https://doi.org/10.1093/ietcom/E88-B.2.784
Publication status	Published - 2005

Keywords

Frequency-domain equalization
Mobile radio
Pre-rake
Spread spectrum

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10.1093/ietcom/E88-B.2.784

Cite this

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abstract = "In this Letter, a frequency-domain pre-rake transmission is presented for a direct sequence spread spectrum with time division duplex (DSSS/TDD) system under a frequency-selective fading channel. The mathematical relationship between frequency-domain and time-domain pre-rake transmissions is discussed. It is confirmed by the computer simulation that, similar to the time-domain pre-rake transmission, frequency-domain pre-rake transmission can improve the bit error rate (BER) performance. The frequency-domain pre-rake transmission shows only slight performance degradation compared to the frequency-domain rake reception for large SF.",

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Y1 - 2005

N2 - In this Letter, a frequency-domain pre-rake transmission is presented for a direct sequence spread spectrum with time division duplex (DSSS/TDD) system under a frequency-selective fading channel. The mathematical relationship between frequency-domain and time-domain pre-rake transmissions is discussed. It is confirmed by the computer simulation that, similar to the time-domain pre-rake transmission, frequency-domain pre-rake transmission can improve the bit error rate (BER) performance. The frequency-domain pre-rake transmission shows only slight performance degradation compared to the frequency-domain rake reception for large SF.

AB - In this Letter, a frequency-domain pre-rake transmission is presented for a direct sequence spread spectrum with time division duplex (DSSS/TDD) system under a frequency-selective fading channel. The mathematical relationship between frequency-domain and time-domain pre-rake transmissions is discussed. It is confirmed by the computer simulation that, similar to the time-domain pre-rake transmission, frequency-domain pre-rake transmission can improve the bit error rate (BER) performance. The frequency-domain pre-rake transmission shows only slight performance degradation compared to the frequency-domain rake reception for large SF.

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KW - Spread spectrum

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Frequency-domain pre-rake transmission for DSSS/TDD mobile communications systems

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Keywords

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