1. R&D Department of Basestation AntennasGuangdong Tongyu Technologies, Co. LtdNo.1 2nd East Dongzhen Road, State‐level Torch Hi‐Tech Industrial Development ZoneZhongshanGuangdongPeople's Republic of China
2. Key Laboratory of Ministry of Education of China for Research and Design of Electromagnetic Compatibility of High Speed Electronic SystemsShanghai Jiao Tong UniversityNo. 800, Dongchuan Road, Minhang DistrictShanghaiPeople's Republic of China