June 12, 2019 - June 15, 2019 The 32nd IEEE SA 1857 WG Plenary session and subgroup meetings chengdu chengdu
March 6, 2019 - March 9, 2019 The 31st IEEE SA 1857 WG Plenary session and subgroup meetings Qingdao Qingdao
December 5, 2018 - December 8, 2018 The 30th IEEE SA 1857 WG Plenary session and subgroup meetings Xiamen Xiamen
