| A minimal redundant shared OLT protection for hybrid WDM–TDM optical access networks | 0 | 0.34 | 2015 |
| A new protection scheme for a combined ring-star based hybrid WDM/TDM PON architecture | 6 | 0.61 | 2015 |
| A new protection scheme for a combined ring-star based hybrid WDM/TDM PON architecture. | 0 | 0.34 | 2012 |
