A Novel Two-step Channel Prediction Technique for Supporting Adaptive Transmission in OFDM/FDD System. - SangJun Ko; Joo Heo; KyungHi Chang (GLOBECOM, 2006)

An Effective Downlink Resource Allocation for Supporting Heterogeneous Traffic Data in an OFDM/SDMA-based Cellular System. - SangJun Ko; Joo Heo; KyungHi Chang (GLOBECOM, 2006)

Aggressive Sub-channel Allocation Algorithm for Intelligent Transmission in Multi-user OFDMA System. - SangJun Ko; Joo Heo; Yupeng Wang 001; KyungHi Chang (KES (3), 2006)

Aggressive Subchannel Allocation Algorithm for Efficient Dynamic Channel Allocation in Multi-User OFDMA System. - SangJun Ko; Joo Heo; KyungHi Chang (PIMRC, 2006)

Fairness-insured Aggressive Sub-channel Allocation and Efficient Power Allocation Algorithms to Optimize the Capacity of an IEEE 802.16e OFDMA/TDD Cellular System. - SangJun Ko; KyungHi Chang (KSII Trans. Internet Inf. Syst., 2009)