| 摘要 |
The present invention discloses a method for achieving optimised synchronous clock distribution of point-to-multipoint optical orthogonal frequency division multiplexed networks such that bandwidth sharing in both the time and frequency domain is possible without interference between users. The invention details how all clocked components in the network are synchronised such that no clock offset compensation is required anywhere in the network. Also the present invention discloses a method for optimisation of the synchronous clocking method to maximise the system bit error rate (BER) performance, furthermore the present invention discloses a method for implementing multiband-OOFDM where ONUs can easily select any OOFDM band for data reception providing network configuration flexibility.
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