AN OPTIMAL ALGORITHM FOR RECTILINEAR STEINER TREES FOR CHANNELS WITH OBSTACLES

被引：4

作者：

CHIANG, C ^{[1
]}

SARRAFZADEH, M ^{[1
]}

WONG, CK ^{[1
]}

机构：

[1] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598

来源：

INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 1991年 / 19卷 / 06期

关键词：

D O I：

10.1002/cta.4490190604

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The channel rectilinear Steiner tree problem is to construct an optimal rectilinear Steiner tree interconnecting n terminals on the upper shore and the lower shore of a channel without crossing any obstacles inside the channel. However, intersecting boundaries of obstacles is allowed. We present an algorithm that computes an optimal channel rectilinear Steiner tree in O(F1(k)n + F2(k)) time, where k is the number of obstacles inside the channel and F1 and F2 are exponential functions of k. For any constant k the proposed algorithm runs in O(n) time.

引用

页码：551 / 563

页数：13

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