蜂窝式移动电话电路用无差错第3组传真终端

[1992 Proceedings] Vehicular Technology Society 42nd VTS Conference - Frontiers of Technology Pub Date : 1992-05-10 DOI:10.1109/VETEC.1992.245389

M. Kawabe, T. Yoshida, T. Sato, H. Etoh, M. Bessho

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引用次数: 0

摘要

描述了一种用于蜂窝式无线网络的第3组无差错传真终端。该终端采用CCITT V.27ter调制解调器，采用八相差分相移键控(DPSK)调制和为移动电话通信而开发的自适应误差控制方案。图像数据压缩采用MMR (modified modified READ)。数据传输速率为4800b /s。该终端可以在25s . bb0传输信件大小的文件(CCITT 1号图)

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Error-free Group 3 facsimile terminal for cellular mobile telephone circuit

A Group 3 error-free facsimile terminal developed for use in the cellular radio network is described. The terminal uses a CCITT V.27ter modem with eight-phase differential phase-shift keying (DPSK) modulation and an adaptive error control scheme developed for mobile telephone communication. An image data compression uses modified modified READ (MMR). The data transmission speed is 4800 b/s. The terminal can transmit a letter-size document (of the CCITT No. 1 chart) in 25 s.<>

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[1992 Proceedings] Vehicular Technology Society 42nd VTS Conference - Frontiers of Technology

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