The Global Symposium on Millimeter-Waves &THz (GSMM) is an annual forum for researchers, engineers and practitioners to present and discuss recent breakthroughs, innovations and emerging techniques in field of millimeter-wave and terahertz sensing and communications. GSMM2021 is the continuation of a series of annual global millimeter-wave and terahertz symposiums held in Nanjing, China (2008), Sendai, Japan (2009), Seoul, South Korea (2010), Espoo, Finland (2011), Harbin, China (2012), Sendai, Japan (2013), Seoul, South Korea (2014), Montreal, Canada (2015) and Espoo, Finland (2016),Hongkong, China(2017), Colorado, America(2018) and Sendai. Japan(2019).

The 13^th Global Symposium on Millimeter-Waves (GSMM 2021) will be held in Nanjing，China. The main theme of the symposium is MILLIMETER WAVE AND TERAHERTZ SENSING AND COMMUNICATIONS. It covers millimeter-wave and THz electronics, antennas, circuits, devices, systems and applications. The format of the conference includes Oral sessions and Poster sessions.

Please prepare come to this unique symposium, presents your latest development, meet international colleagues, learn from experts, find collaborators.