A W-band high-power predistorted direct-conversion digital modulator for transmitter applications

Hong Yeh Chang; Jeng Han Tsai; Tian Wei Huang; Huei Wang; Yongxiang Xia; Yonghui Shu

doi:10.1109/LMWC.2005.855382

A W-band high-power predistorted direct-conversion digital modulator for transmitter applications

Hong Yeh Chang, Jeng Han Tsai, Tian Wei Huang, Huei Wang, Yongxiang Xia, Yonghui Shu

Department of Electrical Engineering

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

11 Scopus citations

Abstract

This letter presents a W-band high-power direct-conversion transmitter using digital predistortion techniques for digital modulation applications. The transmitter is a direct-conversion configuration that employs a reflection-type IQ modulator module and a power amplifier module. With the predistortion function in digital signal processing (DSP), this transmitter demonstrated an output channel power of greater than 19 dBm, and the adjacent channel power ratio (ACPR) was improved by 10 and 18 dB for QPSK and π/4-DQPSK modulation, respectively. To the best of our knowledge, this is the first demonstration of linearization techniques for W-band high-power digital modulation transmitters.

Original language	English
Pages (from-to)	600-602
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	15
Issue number	9
DOIs	https://doi.org/10.1109/LMWC.2005.855382
State	Published - Sep 2005

Keywords

Linearization
Millimeter-wave (MMW)
Quadrature amplitude modulation (QAM)
Quadrature phase shift keying (QPSK)
W-band direct-conversion transmitter

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10.1109/LMWC.2005.855382

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title = "A W-band high-power predistorted direct-conversion digital modulator for transmitter applications",

abstract = "This letter presents a W-band high-power direct-conversion transmitter using digital predistortion techniques for digital modulation applications. The transmitter is a direct-conversion configuration that employs a reflection-type IQ modulator module and a power amplifier module. With the predistortion function in digital signal processing (DSP), this transmitter demonstrated an output channel power of greater than 19 dBm, and the adjacent channel power ratio (ACPR) was improved by 10 and 18 dB for QPSK and π/4-DQPSK modulation, respectively. To the best of our knowledge, this is the first demonstration of linearization techniques for W-band high-power digital modulation transmitters.",

keywords = "Linearization, Millimeter-wave (MMW), Quadrature amplitude modulation (QAM), Quadrature phase shift keying (QPSK), W-band direct-conversion transmitter",

author = "Chang, {Hong Yeh} and Tsai, {Jeng Han} and Huang, {Tian Wei} and Huei Wang and Yongxiang Xia and Yonghui Shu",

note = "Funding Information: Manuscript received January 11, 2005; revised May 2, 2005. This work was supported in part by the National Science Council of Taiwan, R.O.C., under Grant NSC 93-2752-E-002-002-PAE, Grant NSC 93-2213-E-002-033, and Grant NSC 93-2219-E-002-025 and by WiseWave Technology, Inc., Torrance, CA. The review of this letter was arranged by Associate Editor J.-G. Ma.",

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T1 - A W-band high-power predistorted direct-conversion digital modulator for transmitter applications

AU - Chang, Hong Yeh

AU - Tsai, Jeng Han

AU - Huang, Tian Wei

AU - Wang, Huei

AU - Xia, Yongxiang

AU - Shu, Yonghui

N1 - Funding Information: Manuscript received January 11, 2005; revised May 2, 2005. This work was supported in part by the National Science Council of Taiwan, R.O.C., under Grant NSC 93-2752-E-002-002-PAE, Grant NSC 93-2213-E-002-033, and Grant NSC 93-2219-E-002-025 and by WiseWave Technology, Inc., Torrance, CA. The review of this letter was arranged by Associate Editor J.-G. Ma.

PY - 2005/9

Y1 - 2005/9

N2 - This letter presents a W-band high-power direct-conversion transmitter using digital predistortion techniques for digital modulation applications. The transmitter is a direct-conversion configuration that employs a reflection-type IQ modulator module and a power amplifier module. With the predistortion function in digital signal processing (DSP), this transmitter demonstrated an output channel power of greater than 19 dBm, and the adjacent channel power ratio (ACPR) was improved by 10 and 18 dB for QPSK and π/4-DQPSK modulation, respectively. To the best of our knowledge, this is the first demonstration of linearization techniques for W-band high-power digital modulation transmitters.

AB - This letter presents a W-band high-power direct-conversion transmitter using digital predistortion techniques for digital modulation applications. The transmitter is a direct-conversion configuration that employs a reflection-type IQ modulator module and a power amplifier module. With the predistortion function in digital signal processing (DSP), this transmitter demonstrated an output channel power of greater than 19 dBm, and the adjacent channel power ratio (ACPR) was improved by 10 and 18 dB for QPSK and π/4-DQPSK modulation, respectively. To the best of our knowledge, this is the first demonstration of linearization techniques for W-band high-power digital modulation transmitters.

KW - Linearization

KW - Millimeter-wave (MMW)

KW - Quadrature amplitude modulation (QAM)

KW - Quadrature phase shift keying (QPSK)

KW - W-band direct-conversion transmitter

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U2 - 10.1109/LMWC.2005.855382

DO - 10.1109/LMWC.2005.855382

M3 - 期刊論文

AN - SCOPUS:27844602772

SN - 1531-1309

VL - 15

SP - 600

EP - 602

JO - IEEE Microwave and Wireless Components Letters

JF - IEEE Microwave and Wireless Components Letters

IS - 9

ER -

A W-band high-power predistorted direct-conversion digital modulator for transmitter applications

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Keywords

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