Title :
A single VSB/QAM/QPSK IC for ATSC and OpenCableTM digital terminals
Author :
Oh, Jisung ; Chang, Yongduk ; Ha, Kyeongbong ; Jung, Sukjin ; Kim, Jaewoo
Author_Institution :
Corp. R&D Center, Samsung Electron. Co. Ltd., Suwon, South Korea
fDate :
8/1/2001 12:00:00 AM
Abstract :
This paper presents a single IC designed for the ATSC-VSB terrestrial receiver and the OpenCableTM digital set-top terminal. The IC integrates a VSB/QAM demodulator for in-band broadcasting with a QPSK modem for bi-directional out-of-band cable signaling. It features all-digital synchronization scheme and robust channel equalization technique applied to the common VSB/QAM demodulation. Performance evaluation of the IC has shown that it can handle effectively the severe fading effect encountered in terrestrial broadcasting and the phase noise of cable transmission channels. It is designed with 0.18 μm CMOS technology
Keywords :
CMOS digital integrated circuits; cable television; demodulators; digital television; equalisers; fading channels; modems; phase noise; quadrature amplitude modulation; quadrature phase shift keying; synchronisation; television receivers; 0.18 mum; ATSC digital terminals; ATSC-VSB terrestrial receiver; CMOS technology; OpenCable digital set-top terminal; QPSK modem; VLSI; VSB/QAM demodulator; all-digital synchronization; bi-directional out-of-band cable signaling.; cable transmission channels; fading effect; in-band broadcasting; performance evaluation; phase noise; robust channel equalization; single VSB/QAM/QPSK IC; terrestrial broadcasting; Bidirectional control; CMOS technology; Demodulation; Digital integrated circuits; Fading; Integrated circuit noise; Modems; Noise robustness; Quadrature amplitude modulation; Quadrature phase shift keying;
Journal_Title :
Consumer Electronics, IEEE Transactions on
