Effects of the Shape of Roofs on an Urban Propagation Modelling System at 2.4GHz

# Toshiteru Hayashi , Atsushi Yamamoto , Koichi Ogawa , Kim Olesen , Jesper O. Nielsen , Naizheng Zheng , and Gert F. Pedersen 2 1 Matsushita Electric Industrial Co., Ltd. 1006, Kadoma, Osaka, 571-8501 Japan E-mail : {hayashi.toshiteru, yamamoto.on, ogawa.koichi}@jp.panasonic.com 2 Department of Electronic Systems, Aalborg University Niels Jernes Vej 12, DK-9220, Aalborg, Denmark E-mail : {ko, jni, nz, gfp}@es.aau.dk