DRM(Digital Radio Mondiale)系統(tǒng)采用OFDM調(diào)制方式, 引入了先進(jìn)的信源信道編碼和調(diào)制技術(shù),使得AM波段的音頻廣播質(zhì)量大大提高,在保持現(xiàn)有10kHz帶寬時(shí)接近了FM廣播的質(zhì)量[5]
3rd Generation Partnership Project
Technical Specification Group Radio Access Network
Spatial channel model for
Multiple Input Multiple Output [MIMO] simulations