期刊名称：International Journal of Soft Computing & Engineering
电子版ISSN：2231-2307
出版年度：2013
卷号：3
期号：2
页码：120-123
出版社：International Journal of Soft Computing & Engineering
摘要：The main objective of this paper is a comprehensive review of outdoor propagation model in different geographical areas. A wide variety of radio propagation models for different wireless services that specifically address varying propagation environments and operating frequency bands are generally known. A large number of propagation prediction models have been developed for various terrains Irregularities, tunnels, urban streets and buildings, earth curvature, etc
