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日本的NEC公司在世界范围内首次成功地开发了符合IEEE 1394高速串行总线要求的无线传输技术。传输速率达到400M位/秒。穿透墙壁的传输距离可达7米;可见范围内的传输距离可达12米。通过开发无线IEEE1394网络技术,可以不用安置新的连接线路,即可建立家庭多媒体网络。 为了达到上述目的,采用了60GHz毫米波的传输技术,因为使用
Japan’s NEC Corporation for the first time in the world successfully developed in line with the IEEE 1394 high-speed serial bus wireless transmission technology requirements. Transmission rate of 400M bits / second. Transmission distance through the wall up to 7 meters; visible range of transmission distance up to 12 meters. By developing wireless IEEE1394 network technology, a home multimedia network can be established without placing a new connection line. In order to achieve the above purpose, a transmission technique of 60 GHz millimeter wave is employed because of its use