Patent ID: 9118436
Filing Date: 2015-08-25
Classification: H04B,H04J

Abstract:
1. A PON (Passive Optical Network) system modulating a plurality of subcarriers with data of a plurality of users to output an optical multiplexed signal from a station device, splitting the optical multiplexed signal to transmit the split signals to a plurality of subscriber devices, each of the plurality of subscriber devices being provided for one of the plurality of users, and demodulating the data of the plurality of users at the plurality of subscriber devices, respectively, the PON system comprising: an obtaining section configured to obtain a transmission characteristic for each of the plurality of subcarriers at each of the plurality of subscriber devices, by receiving a test signal at the plurality of subscriber devices, the test signal being transmitted from the station device; and an assigning section configured to assign one or more of the plurality of subcarriers for each of the plurality of subscriber devices suited to the transmission characteristics of the assigned subcarriers at the plurality of subscriber devices, wherein the station device includes