Superposition Coding Scheme with Discrete Adaptive Modulation for Wireless Relay Systems. - Hirofumi Yamaura; Megumi Kaneko; Kazunori Hayashi; Hideaki Sakai (VTC Fall, 2011)

Adaptive hierarchical modulation and power allocation for superposition-coded relaying. - Hirofumi Yamaura; Megumi Kaneko; Kazunori Hayashi; Hideaki Sakai (EURASIP J. Wirel. Commun. Netw., 2013)

Fairness-Aware Non-Orthogonal Multi-User Access With Discrete Hierarchical Modulation for 5G Cellular Relay Networks. - Megumi Kaneko; Hirofumi Yamaura; Youhei Kajita; Kazunori Hayashi; Hideaki Sakai (IEEE Access, 2015)