Huan Song Amitabha Banerjee Byoung Whi Kim Biswanath Mukherjee Multi-Thread Polling: A Dynamic Bandwidth Distribution Scheme in Long-Reach PON. 2450-2454 2007 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2007.466 conf/globecom/2007 db/conf/globecom/globecom2007.html#SongBKM07