Slot Assignment Method for CDMA/NC-PRMA Systems in Multi-Cell Environments(Special Section on Multi-dimensional Mobile Information Networks)
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概要
- 論文の詳細を見る
The CDMA/NC-PRMA protocol has been proposed to deal with multimedia traffic flexibly in mobile communications systems. The Load-Balancing (LB) method has been investigated for information slot assignment in CDMA/NC-PRMA systems. However, the LB method may be not effective in multi-cell environments due to inter-cell interference although this method is effective for single cell environments. In this paper, we propose new information slot assignment methods for multi-cell environments; a total reception power based assignment method and a signal to interference ratio (SIR) based assignment method. The former one assigns information slots based on the total reception power from both inside and outside the cell for each slot in the previous frame. The latter one predicts the SIR of receiving packets and assigns information slots to MSs only when predicted SIR exceeds the target SIR. The results of computer simulation show that the proposed schemes have superior transmission performance to the conventional scheme.
- 社団法人電子情報通信学会の論文
- 2003-07-01
著者
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Kobayashi Hideo
Mie Univ. Tsu‐shi Jpn
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Kobayashi H
Mie Univ. Tsu‐shi Jpn
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KATO Akio
Department of Agricultural Chemistry, Yamaguchi University
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Kobayashi Hideo
Department Of Cell Biology Institute Of Nephrology Graduate School Of Medical And Dental Sciences Ni
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Mori Kazuo
Department Of Electrical And Electronic Engineering Graduate School Of Engineering Mie University
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Mori K
Graduate School Of Engineering Mie University
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Nagaosa Tomotaka
Department of Electrical and Electronic Engineering, Faculty of Engineering, Mie University
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Kobayashi H
Vera Project Office National Astronomical Observatory Of Japan
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Mori K
Mie Univ. Tsu‐shi Jpn
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Nagaosa T
Mie Univ. Tsu‐shi Jpn
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Kobayashi Hideo
Department Of Bacteriology Ii National Institute Of Infectious Diseases
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Kato Akio
Department Of Agricultural Chemistry Faculty Of Agriclture Yamaguchi University
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Kato Akio
Department Of Electrical And Electronic Engineering Faculty Of Engineering
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Mori Kazuo
Department Of Clinical Pharmacy Oita Medical University
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Kobayashi Hideo
Department Of Applied Physics Waseda University
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NAGAOSA Tomotaka
Department of Electrical and Electronic Engineering, Faculty of Engineering
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