Multiple-input multiple-output(MIMO)technique is a key technique for communication in the future.It can effectively enhance channel capacity.For future fifth-generation(5G)terminals,it is still a challenging task to r...Multiple-input multiple-output(MIMO)technique is a key technique for communication in the future.It can effectively enhance channel capacity.For future fifth-generation(5G)terminals,it is still a challenging task to realize desirable isolation within a compact size.To achieve an acceptable isolation level,many decoupling methods have been developed.We review the most recent research on decoupling methods,including the employment of external decoupling structures,orthogonal modes,and reduction of ground effect,and discuss the development trends of the MIMO array in 5G smartphones.展开更多
A dual-antenna building block with high isolation is presented for metal-rimmed fifth-generation(5G)smartphones.A coupled-fed loop antenna and a coupledfed slot antenna based on a simple T-slot etched on the ground pl...A dual-antenna building block with high isolation is presented for metal-rimmed fifth-generation(5G)smartphones.A coupled-fed loop antenna and a coupledfed slot antenna based on a simple T-slot etched on the ground plane are meticulously designed to form a compact building block.展开更多
基金supported by the National Natural Science Foundation of China(Nos.61871309 and 61971335)。
文摘Multiple-input multiple-output(MIMO)technique is a key technique for communication in the future.It can effectively enhance channel capacity.For future fifth-generation(5G)terminals,it is still a challenging task to realize desirable isolation within a compact size.To achieve an acceptable isolation level,many decoupling methods have been developed.We review the most recent research on decoupling methods,including the employment of external decoupling structures,orthogonal modes,and reduction of ground effect,and discuss the development trends of the MIMO array in 5G smartphones.
基金Project supported by the National Natural Science Foundation of China (No.62201006)the China Postdoctoral Science Foundation (No.2022M722961)。
文摘A dual-antenna building block with high isolation is presented for metal-rimmed fifth-generation(5G)smartphones.A coupled-fed loop antenna and a coupledfed slot antenna based on a simple T-slot etched on the ground plane are meticulously designed to form a compact building block.