Improving the accuracy of ray tracing estimation considering inhomogeneous building surfaces in urban environments

Jae Woo Lim, Il Suek Koh, Youn Hyun Park, Hyun Wook Moon, Han Shin Jo, Jong Gwan Yook, Young Joong Yoon

Research output: Contribution to journalArticle

3 Citations (Scopus)


To improve path loss estimation, a ray tracing method for inhomogeneous building surfaces and its verification are presented in this paper. Considering real building surfaces with many heterogeneous materials, the effective specular reflection based on a physical optics (PO) approximation is modeled and applied to the reflection in a ray tracing method. To verify the proposed method, measurement at 2.7 GHz is performed in a complex urban environment. Comparisons between the measurements and the ray tracing results are made in LOS and NLOS environments.

Original languageEnglish
Pages (from-to)4067-4070
Number of pages4
JournalIEICE Transactions on Communications
Issue number12
Publication statusPublished - 2008 Jan 1


All Science Journal Classification (ASJC) codes

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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