Field Trial of a Space-Time Equalizer for TDMA Mobile Communications in a Suburban Micro-Cell Environment(Wireless Communication Technology)
スポンサーリンク
概要
- 論文の詳細を見る
A field trial, within a suburban macro-cell environment, of a space-time (ST) equalizer for TDMA mobile communication systems is described. The ST equalizer was a cascade connection of two array processors for a four-antenna array and a two-branch-metric-combining maximum-likelihood sequence estimation (MLSE) that was designed to obtain full space- and path-diversity gains from first-arrival and one-symbol-delayed signals while suppressing excessively long-delayed inter-symbol interference (ISI). The radio frequency was 3.35GHz, the transmission rate was 4.096Mb/s, and the modulation was QPSK. The long-delayed ISI reduction and the space-path diversity effect of the ST equalizer was validated by E_b/N_0 vs. bit-error-rate (BER) curves with respect to delay spread and antenna spacing as compared with the case of an array processor alone being used.
- 2003-06-01
著者
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Takada Jun-ichi
Graduate School Of Engineering Tokyo Institute Of Technology
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TODA Takeshi
Fujitsu Limited YRP R&D Center
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Takada Jun-ichi
Graduate School Of Science And Engineering Tokyo Institute Of Technology
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Kamio Yukiyoshi
Independent Administrative Institution
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Toda Takeshi
Fujitsu Laboratories Ltd.;graduate School Of Science And Engineering Tokyo Institute Of Technology
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AIHARA Yuukichi
Panasonic Mobile Communications Co., Ltd.
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Aihara Yuukichi
Panasonic Mobile Communications Co. Ltd.
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Takada Jun-ichi
Graduate School of Science and Engineering, Tokyo Institute of Technology
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TODA Takeshi
Fujitsu Laboratories Ltd.
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