Presentation 2003/2/27
Peak Power Reducing Effect of Transmit Power Control for Code-Division Multiplexed Signals
Kenta OKINO, Yoshihiko AKAIWA,
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Abstract(in English) If the peak power level of a signal enters into the nonlinear region of a power amplifier, the output signal is distorted and its spectrum spreads into out-of-band. To solve this problem, it is effective to reduce peak power level of the input signal. In this paper, we investigated effect of transmit power control (TPC) on the peak power level of CDM signals. The peak power was reduced and the out-of-band radiation was improved by TPC. Also, fast control of the transmit power has never increased the probabilities of low instantaneous SNR, while keeping the peak power level low.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Power amplifier / Out-of-band radiation / CDM signal / Transmit Power Control
Paper # MoMuC2002-127,SST2002-102,A・P2002-201,RCS202-318,MW2002-209
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Committee MoMuC
Conference Date 2003/2/27(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Peak Power Reducing Effect of Transmit Power Control for Code-Division Multiplexed Signals
Sub Title (in English)
Keyword(1) Power amplifier
Keyword(2) Out-of-band radiation
Keyword(3) CDM signal
Keyword(4) Transmit Power Control
1st Author's Name Kenta OKINO
1st Author's Affiliation Graduate School of Information Science & Electrial Engineering, Kyushu University()
2nd Author's Name Yoshihiko AKAIWA
2nd Author's Affiliation Graduate School of Information Science & Electrial Engineering, Kyushu University
Date 2003/2/27
Paper # MoMuC2002-127,SST2002-102,A・P2002-201,RCS202-318,MW2002-209
Volume (vol) vol.102
Number (no) 678
Page pp.pp.-
#Pages 4
Date of Issue