Compact spectrum and interference-resistant digital video transmission system

Shuji Kubota, Masahiro Morikura, Kiyoshi Enomoto, Shuzo Kato

研究成果: Paper査読

3 被引用数 (Scopus)

抄録

A compact-spectrum and interference-resistant digital video transmission system which employs an offset QPSK (quadrature-phase shift keying) modulation scheme and a 32-Mb/s video codec followed by a high-coding-rate and high-gain Viterbi decoder is proposed. The system achieves a signal-to-noise ratio of higher than 52 dB (weighted) and a protection ratio of 20 dB higher against cochannel interference than that of conventional analog FM systems. It can transmit a high-quality NTSC video signal over nonlinearly amplified narrow-bandwidth satellite channels with high-security digital encryption.

本文言語English
ページ1729-1734
ページ数6
出版ステータスPublished - 1989 12 1
イベントIEEE Global Telecommunications Conference & Exhibition (GLOBECOM '89). Part 1 (of 3) - Dallas, TX, USA
継続期間: 1989 11 271989 11 30

Other

OtherIEEE Global Telecommunications Conference & Exhibition (GLOBECOM '89). Part 1 (of 3)
CityDallas, TX, USA
Period89/11/2789/11/30

ASJC Scopus subject areas

  • 工学(全般)

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