QOAG: An Efficient Queueing Policy for Input-Buffered Packet Switches. - Ngai Hang Liu; Kwan Lawrence Yeung (ICC (3), 2000)

Scheduling algorithms for input-queued switches with virtual output queueing. - Ngai Hang Liu; Kwan L. Yeung; Derek C. W. Pao (ICC, 2001)

On Minimizing Feedback Overhead for Two-stage Switches. - Bing Hu 002; Kwan L. Yeung; Ngai Hang Liu (GLOBECOM, 2006)

A Novel Feedback Mechanism for Load Balanced Two-Stage Switches. - Kwan L. Yeung; Bing Hu 002; Ngai Hang Liu (ICC, 2007)