Performance enhancement with applying FSS and ASB method for MU-MIMO. - Ukaji, Fumiaki; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2016)

Model predictive control for mechatronics: A disturbance observer approach. - Satoh, Toshiyuki; Omori, Tatsuya; Saito, Naoki; Nagase, Jun-Ya; Saga, Norihiko (2016)

IQ imbalance estimation and compensation schemes based on time-frequency interferometry for OFDM. - Oka, Hikaru; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (Trans. Emerg. Telecommun. Technol., 2015)

An application of OFDM-IDMA to uplink multiuser visible light communication system. - Kuriharat, Asato; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2015)

Spatial performance of color clustered VLC-MIMO due to incompleteness of color filters. - Abe, Kotaro; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2015)

The accuracy improvement using WLAN for indoor positioning system. - Tian, Ye; Wang, Wenjian; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2015)

Channel compensation based on VPS and time-frequency interferometry for massive MIMO-OFDM. - Okamura, Masaya; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2015)

Maritime VHF communications with polarization diversity over a Rician channel. - Ahn, Chang-Jun; Jeong, Incheol; Endo, Izumi; Omori, Tatsuya; Hashimoto, Ken-ya (Int. J. Commun. Syst., 2014)

Time Domain Replica Signal Based Interference Compensation for SP-MIMO/OFDM with Large Delay Spread Channel. - Sakaue, Taichi; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (Int. J. Distributed Syst. Technol., 2014)

Multiuser Diversity OFDMA using Power Priority Selection and Adaptive Clipping. - Kuroha, Akihiro; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (Int. J. Distributed Syst. Technol., 2014)

IQ imbalance and carrier frequency offset compensation schemes for TFI-OFDM. - Oka, Hikaru; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2014)

Throughput performance enhancement applying adaptive modulation for single symbol decodable QO-STBC with full diversity. - Kitakatay, Masayuki; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2013)

Enhancement of cell-edge throughput performance with CoMP transmission using QO-STBC scheme. - Okubo, Kei; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2013)

IQ imbalance estimation and compensation schemes based on time frequency interferometry for OFDM. - Oka, Hikaru; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2013)

Interference compensation scheme using time domain replica signals for SP-MIMO/OFDM under large delay spread channel greater than GI. - Sakaue, Taichi; Yoshimura, Tomoki; Ida, Yuta; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2013)

Power priority selection and adaptive clipping with peak reduction signal for MUDiv/OFDMA. - Kuroha, Akihiro; Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2013)

Frequency symbol spreading based adaptive subcarrier block selection for OFDMA system. - Ahn, Chang-Jun; Har, Dongsoo; Omori, Tatsuya; Hashimoto, Ken-ya (Digit. Signal Process., 2012)

Heterogeneous constellation based QOSTBC for improving property of QRD-MLD. - Ahn, Chang-Jun; Omori, Tatsuya; Hashimoto, Ken-ya (2012)