Physical-Layer Network Coding for VPN in TDM-PON
Qike Wang, Kam-Hon Tse, Lian-Kuan Chen, Soung-Chang Liew
TL;DR
This paper demonstrates a novel optical physical-layer network coding scheme in TDM-PON that doubles capacity for VPN applications without requiring synchronization, showing error-free full-duplex communication at 2.5 Gb/s.
Contribution
The paper introduces a new PNC scheme for TDM-PON that significantly increases capacity and simplifies synchronization for VPNs.
Findings
Achieved error-free full-duplex communication at 2.5 Gb/s.
Increased capacity by 100% compared to half-duplex setup.
Power penalty remained below 3 dB.
Abstract
We experimentally demonstrate a novel optical physical-layer network coding (PNC) scheme over time-division multiplexing (TDM) passive optical network (PON). Full-duplex error-free communications between optical network units (ONUs) at 2.5 Gb/s are shown for all-optical virtual private network (VPN) applications. Compared to the conventional half-duplex communications set-up, our scheme can increase the capacity by 100% with power penalty smaller than 3 dB. Synchronization of two ONUs is not required for the proposed VPN scheme
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