GENEVA, June 29 -- SOUTH CHINA UNIVERSITY OF TECHNOLOGY (No. 381 Wushan Road, Tianhe DistrictGuangzhou, Guangdong 510640), 华南理工大学 (中国广东省广州市天河区五山路381号), COMBA TELECOM TECHNOLOGY (GUANGZHOU) LTD. (No. 6 Jinbi Road, Guangzhou Economy And Technological Development DistrictGuangzhou, Guangdong 510730), 京信通信技术(广州)有限公司 (中国广东省广州市广州经济技术开发区金碧路6号) filed a patent appl...