关键词: 最大峰值失真法, 双边沿法, 多边沿法, 最优时域仿真法

Abstract:

Three mainstream fast time-domain channel simulation techniques,namely PDA (Peak Distortion Analysis),DER (Double Edge Responses) and MER (Multiple Edge Responses) are analyzed,then BTDS (Best Time-Domain Simulation) is put forward.With the improved method for obtaining the worst pattern,the accuracy of the eye diagram is improved.BTDS is predicted as accurate as MER in the calculation of the height of eye diagram and more accurate than MER in the calculation of width of eye diagram.In addition,BTDS overcomes the problem that PDA cannot calculate signal with asymmetric edges and that DER cannot calculate the worst pattern.BTDS reveals great value in high-speed time-domain simulation.

Key words: PDA;DER;MER;BTDS