Post-Route Refinement for High-Frequency PCBs Considering Meander Segment Alleviation
Tsun-Ming, Tseng Bing Li, Tsung-Yi Ho, Ulf Schlichtmann
TL;DR
This paper introduces a post-routing refinement method for high-frequency PCBs that reduces dense meander segments to alleviate crosstalk noise while maintaining area constraints.
Contribution
It presents a novel iterative post-processing framework that effectively removes dense meander segments to improve signal integrity in PCB routing.
Findings
Over 85% reduction in meander segments
Significant decrease in crosstalk noise
Maintains area constraints during refinement
Abstract
In this paper, we propose a post-processing framework which iteratively refines the routing results from an existing PCB router by removing dense meander segments. By swapping and detouring dense meander segments the proposed method can effectively alleviate accumulating crosstalk noise, while respecting pre-defined area constraints. Experimental results show more than 85% reduction of the meander segments and hence the noise cost.
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See pages 1-last of Routing_Refinement_GLSVLSI2013.pdf