ONE-DIRECTIONAL TRANSMISSION SIGNAL DISTRIBUTION METHOD, STATION SIDE DEVICE, AND SUBSCRIBER HOME SIDE DEVICE IN PASSIVE OPTICAL NETWORK SYSTEM
申请公布号:WO2007083384(A1)
申请号:WO2006JP300828
申请日期:2006.01.20
申请公布日期:2007.07.26
发明人:YAMASHITA, HARUO;SHIMADA, YUICHI;YOKOMOTO, TETSUYA;SHOUJI, HIROSHI;YOSHIZAWA, MASANORI;ARAI, TOSHIHIKO
分类号:H04J3/00;H04L12/44
主分类号:H04J3/00
摘要:<p>Provided are a one-directional transmission signal distribution method, a station side device, and a subscriber home side device in a passive optical network system. The one-directional transmission signal distribution method can easily design a signal-noise (S/N) ratio and easily perform distribution by an electric signal without requiring an expensive optical amplifier. A multiplexing unit (1-11) of the station side device (OLT) (1-1) bit-multiplexes a digital signal of one-directional transmission signal of only a downstream direction with main signal data in the passive optical network system and transmits it. A bit separation unit (1-21) of the subscriber home side device (1-2) bit-separates the digital signal of one-directional transmission signal of only the downstream direction and the main signal data in the passive optical network system, so as to extract the one-directional transmission signal of only downstream direction and process a video signal of the one-directional transmission signal by a video signal processing unit (1-22).</p>
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