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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Low-Cost, Low-Power, High-Capacity 3R OEO-Type Reach Extender for a Long-Reach TDMA-PON

  • Kim, Kwang-Ok (Advanced Communications Research Laboratory, ETRI) ;
  • Lee, Jie-Hyun (Advanced Communications Research Laboratory, ETRI) ;
  • Lee, Sang-Soo (Advanced Communications Research Laboratory, ETRI) ;
  • Lee, Jong-Hyun (Advanced Communications Research Laboratory, ETRI) ;
  • Jang, Youn-Seon (Department of Electronics Engineering, Chungnam National University)
  • Received : 2011.06.28
  • Accepted : 2011.10.21
  • Published : 2012.06.01
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Abstract

This paper proposes a low-cost, low-power, and high-capacity optical-electrical-optical-type reach extender that can provide 3R frame regeneration and remote management to increase the reach and split ratio with no change to a legacy time division multiple access passive optical network. To provide remote management, the extender gathers information regarding optical transceivers and link status per port and then transmits to a service provider using a simple network management protocol agent. The extender can also apply to an Ethernet passive optical network (E-PON) or a gigabit-capable PON (G-PON) by remote control. In a G-PON, in particular, it can provide burst mode signal retiming and burst-to-continuous mode conversion at the upstream path through a G-PON transmission convergence frame adaptor. Our proposed reach extender is based on the quad-port architecture for cost-effective design and can accommodate both the physical reach of 60 km and the 512 split ratios in a G-PON and the physical reach of 80 km and the 256 split ratios in an E-PON.

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References

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