3   Artículos

 
en línea
Jinho Kang, Jung Hoon Lee and Wan Choi    
A two-stage precoder is widely considered in frequency division duplex massive multiple-input and multiple-output (MIMO) systems to resolve the channel feedback overhead problem. In massive MIMO systems, users on a network can be divided into several use... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Byung-Wan Jo, Yun-Sung Lee, Jung-Hoon Kim, Do-Keun Kim and Pyung-Ho Choi    
Construction is a hazardous industry in which accidents occur frequently. Occupational accidents at construction sites are a serious public health issue in Korea. Construction site conditions often create dangerous situations by requiring workers and hea... ver más
Revista: Sustainability    Formato: Electrónico

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