Measurement‐based delay, angular dispersion and propagation loss characteristics of outdoor propagation in beam domain and multi‐beam operation at 38 GHz for 5‐G communication syst... oleh Wei‐Chung Cheng, Yi‐Qi Lin, Wern‐Ho Sheen, Cheng‐Hung Hsieh, Jeen‐Hwan Tarng, Zuo‐Min Tsai