Case study # 1.13 Title EMC problem on next generation network (NGN) trial Type of trouble Disturbance. Source of trouble Conducted emission. System affected TV receiver. Location Customer premises. Keywords Radiated emission, TV receiver, IP set-top box (STB). Version date 2008-02-29 System configuration Figure 1.13-1 shows a system configuration in a next generation network (NGN) field trial. In this trial service, the home networks of trial users are connected to the NGN by an optical network unit (ONU) and a home gateway (HGW). High-quality video delivery services can be provided when both an IP-STB (IP set-top box) and a TV receiver are connected to the HGW. Analogue TV broadcasting is also provided by the traditional broadcasting equipment. TV antenna Disturbance wave Divider NGN network Measurement point HGW ONU Television receiver Optical fibre IP-phone Coaxial cable Ethernet cable Component video cable PC VTR Equipment for NGN services Equipment for analogue broadcasting Miti(08)_F1.13-1 Figure 1.13-1 – A system configuration in NGN field trial Copyright © ITU 2010 – All Rights Reserved