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More than a decade, there is a surge in demand and development of wireless communication system applications to deliver multimedia services. Nowadays the research is focused on the design of high speed (ie, 1 Gbps) wireless system particularly in dense areas such as conference room, shopping mall, stadium and open public events. Wireless local area network (WLAN) and cellular network are making high potential approaches to fulfill high data rate by using different advanced technologies such as coexistence between Long Term Evaluation Unlicensed (LTE-U) and Wi-Fi Wireless channels. Moreover, the feasibility to use high-frequency spectrum (ie,> 6 GHz), a physical layer research at 60 GHz for dense networks are highlighted where short-distance communication links (ie,< 10 m) are required both in WLAN (ie, WiGig) and cellular network (ie, 5G small cell). However, the applications of 60 GHz bands is …