Monolithic Fabrication of Film Bulk Acoustic Resonators above Integrated Circuit by Adhesive- Bonding-Based Film Transfer.

Ken-ya Hashimoto http://www.te.chiba-u.jp/~ken/ Chiba University Abhay Kochhar Takeshi Matsumura Guoqiang Zhang 0005 Ramesh K. Pokharel Ken-ya Hashimoto Masayoshi Esashi Shuji Tanaka Monolithic Fabrication of Film Bulk Acoustic Resonators above Integrated Circuit by Adhesive- Bonding-Based Film Transfer. 2022 May https://doi.org/10.21227/H2GM18 IEEE DataPort streams/repo/ieeedataport

Guoqiang Zhang 0005 Awinash Anand Kousuke Hikichi Shuji Tanaka Masayoshi Esashi Ken-ya Hashimoto Shinji Taniguchi Ramesh K. Pokharel A 1.9GHz Low-Phase-Noise Complementary Cross-Coupled FBAR-VCO without Additional Voltage Headroom in 0.18µm CMOS Technology. 363-369 2017 100-C IEICE Trans. Electron. 4 https://doi.org/10.1587/transele.E100.C.363 http://search.ieice.org/bin/summary.php?id=e100-c_4_363 db/journals/ieicet/ieicet100c.html#ZhangAHTEHTP17

Fumiaki Ukaji Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Performance enhancement with applying FSS and ASB method for MU-MIMO. 860-865 2016 ICIT https://doi.org/10.1109/ICIT.2016.7474864 conf/icit2/2016 db/conf/icit2/icit2016.html#UkajiAOH16

Hikaru Oka Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto IQ imbalance estimation and compensation schemes based on time-frequency interferometry for OFDM. 1165-1172 2015 26 Trans. Emerg. Telecommun. Technol. 9 https://doi.org/10.1002/ett.2852 db/journals/ett/ett26.html#OkaAOH15

Asato Kuriharat Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto An application of OFDM-IDMA to uplink multiuser visible light communication system. 412-416 2015 ISPACS https://doi.org/10.1109/ISPACS.2015.7432806 conf/ispacs/2015 db/conf/ispacs/ispacs2015.html#KuriharatAOH15 Kotaro Abe Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Spatial performance of color clustered VLC-MIMO due to incompleteness of color filters. 417-421 2015 ISPACS https://doi.org/10.1109/ISPACS.2015.7432807 conf/ispacs/2015 db/conf/ispacs/ispacs2015.html#AbeAOH15 Ye Tian Wenjian Wang Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto The accuracy improvement using WLAN for indoor positioning system. 474-478 2015 ISPACS https://doi.org/10.1109/ISPACS.2015.7432818 conf/ispacs/2015 db/conf/ispacs/ispacs2015.html#TianWAOH15 Masaya Okamura Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Channel compensation based on VPS and time-frequency interferometry for massive MIMO-OFDM. 532-536 2015 ISPACS https://doi.org/10.1109/ISPACS.2015.7432829 conf/ispacs/2015 db/conf/ispacs/ispacs2015.html#OkamuraAOH15

Naotoshi Yoda Chang-Jun Ahn Ken-ya Hashimoto Single Symbol Decodable QO-STBC with Full Diversity. 2-6 2014 97-A IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 1 https://doi.org/10.1587/transfun.E97.A.2 http://search.ieice.org/bin/summary.php?id=e97-a_1_2 db/journals/ieicet/ieicet97a.html#YodaAH14

Chang-Jun Ahn Incheol Jeong Izumi Endo Tatsuya Omori Ken-ya Hashimoto Maritime VHF communications with polarization diversity over a Rician channel. 2443-2451 2014 27 Int. J. Commun. Syst. 10 https://doi.org/10.1002/dac.2474 db/journals/ijcomsys/ijcomsys27.html#AhnJEOH14

Taichi Sakaue Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Time Domain Replica Signal Based Interference Compensation for SP-MIMO/OFDM with Large Delay Spread Channel. 1-17 2014 5 Int. J. Distributed Syst. Technol. 4 https://doi.org/10.4018/ijdst.2014100101 db/journals/ijdst/ijdst5.html#SakaueAOH14

Akihiro Kuroha Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Multiuser Diversity OFDMA using Power Priority Selection and Adaptive Clipping. 18-30 2014 5 Int. J. Distributed Syst. Technol. 4 https://doi.org/10.4018/ijdst.2014100102 db/journals/ijdst/ijdst5.html#KurohaAOH14

Hikaru Oka Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto IQ imbalance and carrier frequency offset compensation schemes for TFI-OFDM. 17-22 2014 ISPACS https://doi.org/10.1109/ISPACS.2014.7024417 conf/ispacs/2014 db/conf/ispacs/ispacs2014.html#OkaAOH14

Guoqiang Zhang 0005 Abhay Kochhar Keiji Yoshida Shuji Tanaka Ken-ya Hashimoto Masayoshi Esashi Ramesh K. Pokharel The methods of maintaining Low frequency stability in FBAR based cross-coupled VCO design. 20130296 2013 10 IEICE Electron. Express 12 https://doi.org/10.1587/elex.10.20130296 db/journals/ieiceee/ieiceee10.html#ZhangKYTHEP13

Guoqiang Zhang 0005 Abhay Kochhar Keiji Yoshida Shuji Tanaka Ken-ya Hashimoto Masayoshi Esashi Haruichi Kanaya Ramesh K. Pokharel A low phase noise FBAR based multiband VCO design. 20130425 2013 10 IEICE Electron. Express 13 https://doi.org/10.1587/elex.10.20130425 db/journals/ieiceee/ieiceee10.html#ZhangKYTHEKP13

Masayuki Kitakatay Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Throughput performance enhancement applying adaptive modulation for single symbol decodable QO-STBC with full diversity. 58-62 2013 APCC https://doi.org/10.1109/APCC.2013.6765916 conf/apcc/2013 db/conf/apcc/apcc2013.html#KitakatayAOH13 Kei Okubo Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Enhancement of cell-edge throughput performance with CoMP transmission using QO-STBC scheme. 496-499 2013 GCCE https://doi.org/10.1109/GCCE.2013.6664900 conf/gcce/2013 db/conf/gcce/gcce2013.html#OkuboAOH13 Hikaru Oka Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto IQ imbalance estimation and compensation schemes based on time frequency interferometry for OFDM. 126-129 2013 IWSDA https://doi.org/10.1109/IWSDA.2013.6849079 conf/iwsda/2013 db/conf/iwsda/iwsda2013.html#OkaAOH13 Taichi Sakaue Tomoki Yoshimura Yuta Ida Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Interference compensation scheme using time domain replica signals for SP-MIMO/OFDM under large delay spread channel greater than GI. 37-40 2013 RIVF https://doi.org/10.1109/RIVF.2013.6719863 conf/rivf/2013 db/conf/rivf/rivf2013.html#SakaueYIAOH13 Akihiro Kuroha Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Power priority selection and adaptive clipping with peak reduction signal for MUDiv/OFDMA. 85-90 2013 RIVF https://doi.org/10.1109/RIVF.2013.6719872 conf/rivf/2013 db/conf/rivf/rivf2013.html#KurohaAOH13

Chang-Jun Ahn Dongsoo Har Tatsuya Omori Ken-ya Hashimoto Frequency symbol spreading based adaptive subcarrier block selection for OFDMA system. 518-525 2012 22 Digit. Signal Process. 3 https://doi.org/10.1016/j.dsp.2011.08.007 db/journals/dsp/dsp22.html#AhnHOH12

Chang-Jun Ahn Ken-ya Hashimoto Heterogeneous Constellation Based QOSTBC for Improving Detection Property of QRD-MLD. 2674-2677 2012 95-B IEICE Trans. Commun. 8 https://doi.org/10.1587/transcom.E95.B.2674 http://search.ieice.org/bin/summary.php?id=e95-b_8_2674 db/journals/ieicet/ieicet95b.html#AhnH12

Chang-Jun Ahn Tatsuya Omori Ken-ya Hashimoto Heterogeneous constellation based QOSTBC for improving property of QRD-MLD. 372-373 2012 ICCE https://doi.org/10.1109/ICCE.2012.6161907 conf/iccel/2012 db/conf/iccel/icce2012.html#AhnOH12 Kotaro Abe Chang-Jun Ahn Awinash Anand Izumi Endo Masayoshi Esashi Dong-Soo HarDongsoo Har Kousuke Hikichi Yuta Ida Incheol Jeong Haruichi Kanaya Masayuki Kitakatay Abhay Kochhar Asato Kuriharat Akihiro Kuroha Takeshi Matsumura Hikaru Oka Masaya Okamura Kei Okubo Tatsuya Omori Ramesh K. Pokharel Taichi Sakaue Shuji Tanaka Shinji Taniguchi Ye Tian Fumiaki Ukaji Wenjian Wang Naotoshi Yoda Keiji Yoshida Tomoki Yoshimura Guoqiang Zhang 0005