Presentation 1994/9/16
Performance analysis of adaptive modulation systems using square- QAM
Shinya Otsuki, Hidehiro Matsuoka, Takashi Suzuki, Seiichi Sampei, Norihiko Morinaga,
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Abstract(in English) This paper proposes an adaptive modulation systems using square- QAM with au monitoring scheme of the propagation path characteristies.The proposed systems can solve the problem that the higher level QAM is subject to the deep fade or large delay spread Computer simulation confirms that the proposed systems achieve higher transmission rate with lower transmission power compared with QPSK systems.Moreover,the proposed systems have high delay spread immunity in frequency selective fading environments.
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Keyword(in English) Adaptive modulation systems / Square-QAM / TDMA/DD / Land mobile communication systems
Paper # RCS94-66
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Committee RCS
Conference Date 1994/9/16(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) Performance analysis of adaptive modulation systems using square- QAM
Sub Title (in English)
Keyword(1) Adaptive modulation systems
Keyword(2) Square-QAM
Keyword(3) TDMA/DD
Keyword(4) Land mobile communication systems
1st Author's Name Shinya Otsuki
1st Author's Affiliation Department of Communication,Faculty of Engineering,Osaka University()
2nd Author's Name Hidehiro Matsuoka
2nd Author's Affiliation Department of Communication,Faculty of Engineering,Osaka University
3rd Author's Name Takashi Suzuki
3rd Author's Affiliation Department of Communication,Faculty of Engineering,Osaka University
4th Author's Name Seiichi Sampei
4th Author's Affiliation Department of Communication,Faculty of Engineering,Osaka University
5th Author's Name Norihiko Morinaga
5th Author's Affiliation Department of Communication,Faculty of Engineering,Osaka University
Date 1994/9/16
Paper # RCS94-66
Volume (vol) vol.94
Number (no) 238
Page pp.pp.-
#Pages 6
Date of Issue