COMPARISON OF DIGITAL SUBSCRIBER LINE TRANSMISSION SYSTEMS EMPLOYING DIFFERENT LINE CODES.

被引：0
|
作者：
Brosio, Alberto
de Julio, Umberto
Lazzari, Vincenzo
Ravaglia, Renzo
Tofanelli, Adler
机构：
来源：
CSELT Rapporti Tecnici (Centro Studi e Laboratori Telecomunicazioni) | 1981年 / 9卷 / 06期
关键词：
DATA TRANSMISSION;
D O I：
暂无
中图分类号：
TN91 [通信];
学科分类号：
0810 ; 081001 ;
摘要：
In this paper the main characteristics and the performance of two systems implemented for two wire digital transmission on subscriber lines are presented. Both systems utilize different time intervals to transmit bursts of bits in the two directions with an information bit rate of 80 kbit/s and a line bit rate in the bursts of 256 kbit/s. One system employing WAL2 as the line code, exhibits extreme circuitry simplicity and low power consumption. The other system, which employs CMI as the line code, shows better performance in the presence of line disturbances.
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页码：591 / 598
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