Train Communication Network IEC 61375 - 4 Wire Train Bus This is the train bus standardized in IEC 61375 for interconnecting rail vehicles 1. Applications in rail vehicles 2. Physical layer a. Electrical RS 485 b. Middle-Distance c. Fibre Optics 3.
1 引言
TCN(Train Communication Network)总体结构是由WTB(绞线式列车总线)和MVB(多功能车辆总线)组成,符合IEC61375-1标准。本文主要围绕WTB链路控制的帧格式进行研究。鉴于IEC61375-1标准中规定的WTB帧数据格式与IS03309中定义的HDLC(High Level Data Link Control)格式一致,基带Manchester-Biphase-L技术编解码器现则围绕HDLC展开。
随着深亚微米工艺技术的发展,FPGA(