Experiments on 2-Mbps Data Transmission Applying Antenna Diversity Reception over 5-MHz W-CDMA Mobile Radio Link (Special Issue on Personal, Indoor and Mobile Radio Communications)
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概要
- 論文の詳細を見る
This paper experimentally demonstrates the possibility of 2-Mbps data transmission using a 5-MHz bandwidth(chip rate of 4.096Mcps)wideband DS-CDMA(W-CDMA)mobile radio link in frequency-selective multipath fading environments. To reduce the mobile station transceiver complexity, three-orthogonal code multiplexing with the spreading factor(SF)of 4 is employed. In such a small SF transmission, the increased multipath interference(MPI)significantly degrades the transmission performance. We consider two-branch antenna diversity reception and fast transmit power control(TPC)as well as channel coding to mitigate the influence of MPI. Laboratory experimental results show that the use of antenna diversity reception is significant and that the fast TPC improves the transmission performance. Furthermore, the impact of the fading maximum Doppler frequency, f_D, and that of the channel coding interleaving size, T_<int>, on the achievable BER performance are also investigated.
- 社団法人電子情報通信学会の論文
- 2000-08-25
著者
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HIGUCHI Kenichi
Wireless Laboratories, NTT DoCoMo, Inc.
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SAWAHASHI Mamoru
Wireless Laboratories, NTT DoCoMo, Inc.
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Adachi Fumiyuki
Department Of Electrical And Communications Engineering Graduate School Of Engineering Tohoku Univer
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Adachi Fumiyuki
Wireless Laboratories Ntt Mobile Communications Network Inc.: Presently Electrical And Communication
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Okawa K
Wireless Research Laboratories Ntt Docomo Inc.
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Okawa Koichi
Wireless Laboratories Ntt Do Como Inc.
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Higuchi K
Wireless Research Laboratories Ntt Docomo Inc.
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FUKUMOTO Satoru
Wireless Research Laboratories, NTT Mobile Communications Network, Inc.
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Fukumoto S
Ntt Docomo Inc. Yokosuka‐shi Jpn
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Sawahashi Mamoru
Wireless Laboratories Ntt Do Como Inc.
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Adachi Fumiyuki
Denartment Of Electrical And Communication Engineering Graduate School Of Engineering Tohoku Univers
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Adachi Fumiyuki
The Graduate School Of Engineering Tohoku University
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Higuchi Kenichi
Wireless Laboratories Ntt Docomo Inc.
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Fukumoto Satoru
Wireless Laboratories Ntt Docomo Inc.
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Adachi Fumiyuki
Wireless Lab. Ntt Docomo Inc.:department Of Electrical Communications At Graduate School Of Engineer
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