Field experiments of 8K Super Hi-Vision transmission using Dual-polarized MIMO and ultra-multilevel OFDM

Abstract

We are conducting research on the next generation of digital terrestrial broadcasting to enable large-volume content services such as 8K Super Hi-Vision (8K). We have installed an experimental station for 8K transmission at Hitoyoshi city, Kumamoto prefecture, Japan using dual-polarized multiple-input multiple-output (MIMO) technology and ultra-multilevel orthogonal frequency division multiplexing (OFDM) technology. In these 8K field experiments, we succeeded in carrying out the world's first 8K terrestrial transmission (91 Mbps) at long distance over 27 km using only UHF (ultra-high frequency) single channel (6 MHz). We also report the required field strength for 256QAM, 1024QAM, and 4096QAM carrier modulation scheme and the response of dual-polarized MIMO transmission channel.