Question

Which of the following considers the impact of rooftops and building?

(a) Okumura model

(b) Hata model

(c) Walfisch and Bertoni model

(d) Longley- Rice model

I have been asked this question during a job interview.

This interesting question is from Outdoor Propagation Models in division Mobile Radio Propagation: Large – Scale Path Loss of Wireless/Mobile

Answer 1

Right option is (c) Walfisch and Bertoni model

The best explanation: The impact of rooftops and building height is considered by Walfisch and Bertoni model. It uses diffraction to predict average signal strength at street level. It considers path loss to be a product of three factors.