SS-CDNA Flexible Wireless Network : Packet SS-CDMA Modem Using SAW Matched Filter for Downlink(Special Issue on Mobile Multimedia Communications)
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概要
- 論文の詳細を見る
We have proposed the packet SS-CDMA scheme for downlink of SS-CDMA flexible wireless cellular network. Transmission packet is framed with synchronization block with 11 chip Barker code and information block with orthogonal spreading code. The chip synchronization is carried out using short code surface acoustic wave (SAW) matched filter. The code de-spreading is carried out using in-line de-spreader. Multichannel downlink of 63 channels can be designed using orthogonal m-sequence. Simulation results show more than 15 channels without degradation from theoretical value can be used under multi-path environment. The packet SS-CDMA modem has been implemented using a 2.4 GHz front-end SAW matched filter. Degradation of Eb/N_0 of less than 0.5 dB is experimentally achieved with four-channel multiplex.
- 社団法人電子情報通信学会の論文
- 2001-04-01
著者
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Nakase H
Tohoku Univ. Sendai Jpn
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Nakase Hiroyuki
Research Institute Of Electrical Communicaiton Tohoku University
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Nakase Hiroyuki
The Research Institute Of Electrical Communication Tohoku University
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TSUBOUCHI Kazuo
the Research Institute of Electrical Communication, Tohoku University
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IIZUKA Yosuke
the Research Institute of Electrical Communication, Tohoku University
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KAMEDA Suguru
the Research Institute of Electrical Communication, Tohoku University
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TOMABECHI Shuichi
the Research Institute of Electrical Communication, Tohoku University
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KOMURO Atsushi
the Research Institute of Electrical Communication, Tohoku University
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TOMABECHI Shuichi
Research Institute of Electrical Communication, Tohoku University
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Togura Kenji
The Research Institute Of Electrical Communication Tohoku University Presently The Technology Resear
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Iizuka Yosuke
The Research Institute Of Electrical Communication Tohoku University
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Komuro Atsushi
Research Institute Of Electrical Communication Tohoku University:(present Address)hitachi Ltd
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Kameda S
Tohoku Univ. Sendai Jpn
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Tsubouchi K
Research Institute Of Electrical Communication Tohoku University
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Tomabechi Shuichi
Research Institute Of Electrical Communication Tohoku University
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Tsubouchi Kazuo
The Research Institute Of Electrical Communication Tohoku University
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Tsubouchi K
Tohoku University
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