Presentation 2000/9/1
A study on a subcarrier transmit power control combined with a partial non-power allocation technique for OFDM/FDD systems.
Noriyuki MAEDA, Seiichi SAMPEI, Norihiko MORINAGA,
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Abstract(in English) This paper studies on a subcarrier transmit power control combined with a partial non-power allocation (PNPA) technique for OFDM/FDD based wireless communication systems to reduce transmission power of wireless terminals. To reduce surplus transmit power allocation due to compensation for deeply faded subcarriers, the proposed system using a delay profile information channel based subcarrier transmit power control employs a PNPA technique in which deleted bits generated by punctured convolutional encoding process are allocated to subcarriers in bad condtions and no transmit power are allocated to such subcarrers. Computer simulation confirms that proposed scheme can reduce transmit power keeping with same information bit-rate compared with conventional coded OFDM systems.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) OFDM / subcarrier transmit power control / PNPA / delay profile information channel
Paper # RCS2000-97
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Committee RCS
Conference Date 2000/9/1(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A study on a subcarrier transmit power control combined with a partial non-power allocation technique for OFDM/FDD systems.
Sub Title (in English)
Keyword(1) OFDM
Keyword(2) subcarrier transmit power control
Keyword(3) PNPA
Keyword(4) delay profile information channel
1st Author's Name Noriyuki MAEDA
1st Author's Affiliation Graduate School of Engineering, Osaka University()
2nd Author's Name Seiichi SAMPEI
2nd Author's Affiliation Graduate School of Engineering, Osaka University
3rd Author's Name Norihiko MORINAGA
3rd Author's Affiliation Graduate School of Engineering, Osaka University
Date 2000/9/1
Paper # RCS2000-97
Volume (vol) vol.100
Number (no) 278
Page pp.pp.-
#Pages 8
Date of Issue