Selective Cooperative Relaying in OFDMA-TDD System for Broadband Mobile Wireless Services. - Hyun Seok Ryu; Chung Gu Kang 001; Heesoo Lee; Jae Yung Ahn; Hyun Kyu Chung (VTC Spring, 2008)

Design of Signal Constellation Rearrangement (CoRe) for Multiple Relay Links. - Jin Woo Kim; Hee S. Lee; Jae Yung Ahn; Chung Gu Kang 001 (GLOBECOM, 2009)