作者:迟篥     |      日期:2019-03-03 07:15:00
Cellphones capable of downloading data at unprecedented speeds have been demonstrated by NTT DoCoMo in Japan. The company says the phones can receive data at 100 megabits per second on the move and up to a gigabit per second while static – enough to download a DVD inside a minute. These ultra-high speeds are achieved by sending the data over several frequencies using a method called VSF-Spread OFDM. After years of talking about roll-up displays,