Akihiro Otaka - RankMe

73 papers B 5C 1Misc 1Journal 25Unranked 41

Year	Rank	Type	Title / Venue / Authors
2019	J	`jnl`	Coherent Receiver DSP Implemented on a General-Purpose Server for a Full Software-Defined Access System. JOCN Sang-Yuep Kim, Takahiro Suzuki, Jun-ichi Kani, Akihiro Otaka
2019	J	`jnl`	Disaggregation of Time-Critical Applications in Flexible Access System Architecture [Invited]. JOCN Kota Asaka, Hirotaka Ujikawa, Hiroyuki Uzawa, Hirotaka Nakamura, Jun-ichi Kani, Akihiro Otaka, Jun Terada
2018	—	`conf`	10-Gbps Real-time Burst-Frame Synchronization Using Dual-Stage Detection for Full-Software Optical Access Systems. OFC Takahiro Suzuki, Sang-Yuep Kim, Junichi Kani, Akihiro Otaka, Toshihiro Hanawa
2018	J	`jnl`	Access System Virtualization for Sustainable and Agile Development. IEICE Trans. Commun. Akihiro Otaka
2018	J	`jnl`	Burst-Mode Digital Signal Processing That Pre-Calculates FIR Filter Coefficients for Digital Coherent PON Upstream. JOCN Ryo Koma, Masamichi Fujiwara, Jun-ichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2018	—	`conf`	Coherent Receiver DSP Implemented on a General-Purpose Server for Full Software-Defined Optical Access. OFC Sang-Yuep Kim, Takahiro Suzuki, Junichi Kani, Akihiro Otaka, Toshihiro Hanawa
2018	—	`conf`	Flexible Access System Architecture (FASA). OFC Kota Asaka, Hirotaka Ujikawa, Junichi Kani, Akihiro Otaka
2018	J	`jnl`	Low-Latency Routing Scheme for a Fronthaul Bridged Network. JOCN Yu Nakayama, Daisuke Hisano, Takahiro Kubo, Youichi Fukada, Jun Terada, Akihiro Otaka
2018	—	`conf`	Optimization of Quantization Levels for Quantize-and-Forward Relaying with QAM Signaling. APSIPA Xinyue Ling, Shinsuke Ibi, Kenji Miyamoto, Seiichi Sampei, Jun Terada, Akihiro Otaka
2018	J	`jnl`	Predictive Bandwidth Allocation Scheme With Traffic Pattern and Fluctuation Tracking for TDM-PON-Based Mobile Fronthaul. IEEE J. Sel. Areas Commun. Daisuke Hisano, Hiroyuki Uzawa, Yu Nakayama, Hirotaka Nakamura, Jun Terada, Akihiro Otaka
2018	J	`jnl`	Reverse Bias Voltage Controlled Burst-Mode Booster SOA in λ-Tunable ONU Transmitter for High-Split-Number TWDM-PON. JOCN Katsuhisa Taguchi, Kota Asaka, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2018	—	`conf`	Software Implementation of PON Physical-Layer Processing for Fully Software-Defined Optical Access Systems. ECOC Takahiro Suzuki, Sang-Yuep Kim, Junichi Kani, Akihiro Otaka
2018	B	`conf`	Software module-based 10G Optical Line Terminal for enhancing flexibility of access networks. NetSoft Keita Nishimoto, Yushi Koyasako, Takashi Yamada, Junichi Kani, Akihiro Otaka
2018	J	`jnl`	TDD Pattern Estimation and Auto-Recovery from Estimation Error for Accommodations of Fronthaul and Secondary Services in TDM-PON. JOCN Daisuke Hisano, Hiroyuki Uzawa, Yu Nakayama, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2018	J	`jnl`	TDD-Based Rapid Fault Detection and Recovery for Fronthaul Bridged Network. IEEE Commun. Lett. Yu Nakayama, Daisuke Hisano, Takahiro Kubo, Youichi Fukada, Jun Terada, Akihiro Otaka
2018	—	`conf`	Wavelength Adjustment of Upstream Signal using AMCC with Power Monitoring for WDM-PON in 5G Mobile Era. OFC Kazuaki Honda, Hirotaka Nakamura, Kazutaka Hara, Kyosuke Sone, Goji Nakagawa, Yoshio Hirose, Takeshi Hoshida, Jun Terada, Akihiro Otaka
2018	—	`conf`	Wide Range Carrier Frequency Offset Estimation Method using Training Symbols with Asymmetric Constellations for Burst-Mode Coherent Reception. OFC Ryo Koma, Masamichi Fujiwara, Ryo Igarashi, Takuya Kanai, Junichi Kani, Akihiro Otaka
2018	—	`conf`	Wide-Range Frequency Offset Compensation for CPFSK Used as TOM-Based Digital Coherent PON's Upstream Signals. ECOC Takuya Kanai, Masamichi Fujiwara, Ryo Koma, Ryo Igarashi, Noriko Iiyama, Junichi Kani, Akihiro Otaka
2018	J	`jnl`	Wireless performance and mobile fronthaul bandwidth of uplink joint reception with LLR combining in split-PHY processing. J. Commun. Networks Kenji Miyamoto, Naotaka Shibata, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2017	J	`jnl`	Auto-Configurable Optical Amplifier for Simple Network Operation and Flexible Access Network Design of a Passive Optical Network. JOCN Takuya Tsutsumi, Yu Nakayama, Shunsuke Kanai, Manabu Kubota, Akihiro Otaka
2017	—	`conf`	Automatic Recovery from Estimation Error for Accommodation of TDD-based Fronthaul and Secondary Service in a TDM-PON. ECOC Daisuke Hisano, Hiroyuki Uzawa, Yu Nakayama, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2017	Misc	`conf`	Dynamic software updating of OLTs without service interruption. SoftCOM Takumi Harada, Hirotaka Ujikawa, Manabu Yoshino, Noriyuki Oota, Ken-Ichi Suzuki, Akihiro Otaka
2017	J	`jnl`	Effective Utilization of Unallocated Intervals in TDD-Based Fronthaul Employing TDM-PON. JOCN Daisuke Hisano, Tatsuya Shimada, Hiroshi Ou, Takayuki Kobayashi, Yu Nakayama, Hiroyuki Uzawa, Jun Terada, Akihiro Otaka
2017	B	`conf`	Efficient DWBA Algorithm for TWDM-PON with Mobile Fronthaul in 5G Networks. GLOBECOM Yu Nakayama, Hiroyuki Uzawa, Daisuke Hisano, Hirotaka Ujikawa, Hirotaka Nakamura, Jun Terada, Akihiro Otaka
2017	J	`jnl`	Fairness-Aware Dynamic Sub-Carrier Allocation in Distance-Adaptive Modulation OFDMA-PON for Elastic Lambda Aggregation Networks. JOCN Yumiko Senoo, Kota Asaka, Takuya Kanai, Jun Sugawa, Hiroyuki Saito, Hideaki Tamai, Naoki Minato, Ken-Ichi Suzuki, Akihiro Otaka
2017	—	`conf`	First-time Demonstration of Automatic Service Restoration by Using Inter-Central-Office OLT handover and Optical Path Switching in Metro-Access Network. ECOC Takuya Kanai, Yumiko Senoo, Kota Asaka, Jun Sugawa, Hideaki Tamai, Hiroyuki Saito, Naoki Minato, Atsushi Oguri, Seiya Sumita, Takehiro Sato, Nobuhiko Kikuchi, Shun-ichi Matsushita, Takehiro Tsuritani, Satoru Okamoto, Naoaki Yamanaka, Ken-Ichi Suzuki, Akihiro Otaka
2017	—	`conf`	Flexible Access System Architecture to Support Diverse Requirements and Agile Service Creation. ECOC Junichi Kani, Manabu Yoshino, Toshikiyo Tanaka, Kota Asaka, Hirotaka Ujikawa, Ken-Ichi Suzuki, Akihiro Otaka
2017	B	`conf`	Gate-Shrunk Time Aware Shaper: Low-Latency Converged Network for 5G Fronthaul and M2M Services. GLOBECOM Daisuke Hisano, Yu Nakayama, Takahiro Kubo, Tatsuya Shimizu, Hirotaka Nakamura, Jun Terada, Akihiro Otaka
2017	—	`conf`	High Sensitivity and Wide Dynamic Range Burst-Mode Coherent Receiver that Controls Gains of a SOA and TIAs for Long-Reach and High-Splitting-Ratio PON. ECOC Ryo Koma, Masamichi Fujiwara, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2017	—	`conf`	Low Latency Symbol Level Transmission Scheme for Mobile Fronthaul with Intra PHY Split RAN Architecture. ECOC Kenji Miyamoto, Tatsuya Shimizu, Jun Terada, Akihiro Otaka
2017	—	`conf`	Low-latency routing for fronthaul network: A Monte Carlo machine learning approach. ICC Yu Nakayama, Daisuke Hisano, Takahiro Kubo, Tatsuya Shimizu, Hirotaka Nakamura, Jun Terada, Akihiro Otaka
2017	—	`conf`	NG-PON2 Demonstration with Small Delay Variation and Low Latency for 5G Mobile Fronthaul. ECOC Keita Takahashi, Hirotaka Nakamura, Hiroyuki Uzawa, Kenji Miyamoto, Yu Nakayama, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2017	—	`conf`	Novel rank-based low-latency scheduling for maximum fronthaul accommodation in bridged network. OFC Yu Nakayama, Daisuke Hisano, Takahiro Kubo, Tatsuya Shimizu, Hirotaka Nakamura, Jun Terada, Akihiro Otaka
2017	J	`jnl`	Performance Evaluation of Ethernet-Based Mobile Fronthaul and Wireless CoMP in Split-PHY Processing. JOCN Kenji Miyamoto, Shigeru Kuwano, Tatsuya Shimizu, Jun Terada, Akihiro Otaka
2017	—	`conf`	Performance evaluation of CPFSK transmitters for TDM-based digital coherent PON upstream. OFC Masamichi Fujiwara, Ryo Koma, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2017	—	`conf`	Practical Mobile-DBA Scheme Considering Data Arrival Period for 5G Mobile Fronthaul with TDM-PON. ECOC Hiroyuki Uzawa, Hiroko Nomura, Tatsuya Shimada, Daisuke Hisano, Kenji Miyamoto, Yu Nakayama, Keita Takahashi, Jun Terada, Akihiro Otaka
2017	—	`conf`	Real-time demonstration of fairness-aware dynamic subcarrier allocation for adaptive modulation in elastic lambda aggregation network. OFC Yumiko Senoo, Kota Asaka, Takuya Kanai, Jun Sugawa, Koji Wakayama, Ken-Ichi Suzuki, Akihiro Otaka
2017	—	`conf`	Unified Design of LLR Quantization and Joint Reception for Mobile Fronthaul Bandwidth Reduction. VTC Spring Kenji Miyamoto, Shinsuke Ibi, Tatsuya Shimizu, Jun Terada, Akihiro Otaka, Seiichi Sampei
2016	—	`conf`	Bandwidth allocation scheme based on simple statistical traffic analysis for TDM-PON based mobile fronthaul. OFC Takayuki Kobayashi, Hiroshi Ou, Daisuke Hisano, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2016	—	`conf`	Efficient accommodation of mobile fronthaul and secondary services in a TDM-PON system with wireless TDD frame monitor. ICC Daisuke Hisano, Tatsuya Shimada, Hiroshi Ou, Takayuki Kobayashi, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2016	J	`jnl`	Energy-Efficient Service Multiplexing on Profile-Based TWDM Access Systems. IEEE Internet Things J. Hirotaka Ujikawa, Ken-Ichi Suzuki, Akihiro Otaka, Hiroki Nishiyama, Nei Kato
2016	J	`jnl`	Hitless λ-Tuning Sequence to Reduce Tuning Delay in λ-Tunable WDM/TDM-PON. JOCN Yumiko Senoo, Shin Kaneko, Tomoaki Yoshida, Jun-ichi Kani, Kota Asaka, Ken-Ichi Suzuki, Akihiro Otaka
2016	—	`conf`	Passive optical network range applicable to cost-effective mobile fronthaul. ICC Hiroshi Ou, Takayuki Kobayashi, Tatsuya Shimada, Daisuke Hisano, Jun Terada, Akihiro Otaka
2016	—	`conf`	Performance evaluation of mobile fronthaul optical bandwidth reduction and wireless transmission in Split-PHY processing architecture. OFC Kenji Miyamoto, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2016	B	`conf`	Real-Time Demonstration of PHY Processing on CPU for Programmable Optical Access Systems. GLOBECOM Takahiro Suzuki, Sang-Yuep Kim, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2016	J	`jnl`	Stand-Alone and Cooperative Deep Sleep for Battery-Driven Optical Network Unit. IEEE Internet Things J. Hirotaka Ujikawa, Takashi Yamada, Ken-Ichi Suzuki, Akihiro Otaka, Hiroki Nishiyama, Nei Kato
2016	C	`conf`	Study on protocol and required bandwidth for 5G mobile fronthaul in C-RAN architecture with MAC-PHY split. APCC Susumu Nishihara, Shigeru Kuwano, Kenji Miyamoto, Jun Terada, Akihiro Otaka
2016	J	`jnl`	Utilization Comparison of Small-Cell Accommodation With PON-Based Mobile Fronthaul. JOCN Yu Nakayama, Kazuki Maruta, Tatsuya Shimada, Tomoaki Yoshida, Jun Terada, Akihiro Otaka
2016	—	`conf`	Wide dynamic range burst-mode digital coherent detection using fast ALC-EDFA and pre-calculation of FIR filter coefficients. OFC Ryo Koma, Masamichi Fujiwara, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2015	J	`jnl`	512-ONU Real-Time Dynamic Load Balancing With Few Wavelength Reallocations in 40 Gbps λ-Tunable WDM/TDM-PON [Invited]. JOCN Yumiko Senoo, Tomoaki Yoshida, Shin Kaneko, Jun Sugawa, Koji Wakayama, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	Advanced DSP for optical access networks: Challenges and opportunities. OFC Noriko Iiyama, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	Application drivers and trends for future broadband access. OFC Tomoaki Yoshida, Tomohiro Taniguchi, Akihiro Otaka
2015	—	`conf`	Burst-off-level power reduction in λ-tunable transmitter using a reverse bias voltage controlled burst-mode booster SOA for 256-split WDM/TDM-PON. OFC Katsuhisa Taguchi, Kota Asaka, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	Compact bi-directional EDFAs to support extended power budget class of TWDM-PON. ECOC Masamichi Fujiwara, Ryo Koma, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	Demonstration of 512-ONU real-time dynamic-load-balancing with few wavelength reallocations for λ-tunable WDM/TDM-PON. OFC Yumiko Senoo, Shin Kaneko, Tomoaki Yoshida, Jun Sugawa, Koji Wakayama, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2015	J	`jnl`	Error Vector Magnitude Evaluation of Terahertz Transmitter Employing Optical Frequency Comb. IEICE Trans. Electron. Shigeru Kuwano, Daisuke Iida, Jun Terada, Akihiro Otaka, Naoto Yoshimoto, Shintaro Hisatake, Tadao Nagatsuma
2015	J	`jnl`	Fast OLT-Protection Method Based on Normal MPCP and Backup Wavelength Pre-assignment on WDM/TDM-PONs [Invited]. JOCN Shin Kaneko, Tomoaki Yoshida, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	Field trial and analysis of N∶1 redundant 10G-EPON using boost-type semiconductor optical amplifier. OFC Takuya Tsutsumi, Yoshihito Sakai, Takeshi Sakamoto, Manabu Kubota, Akihiro Otaka
2015	—	`conf`	First field trial of 40-km reach and 1024-split symmetric-rate 40-Gbit/s X-tunable WDM/TDM-PON. OFC Katsuhisa Taguchi, Kota Asaka, Masamichi Fujiwara, Shin Kaneko, Tomoaki Yoshida, Yoshikazu Fujita, Hideyuki Iwamura, Masayuki Kashima, Satoshi Furusawa, Masahiro Sarashina, Hideaki Tamai, Akiya Suzuki, Toshiaki Mukojima, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	High output power OLT/ONU transceivers for 40 Gbit/s symmetric-rate NG-PON2 systems. ECOC Kota Asaka, Katsuhisa Taguchi, Yuki Sakaue, Ken-Ichi Suzuki, Shunji Kimura, Akihiro Otaka
2015	J	`jnl`	Integrated Dynamic Bandwidth Allocation for Low Buffer Aggregated Passive Optical Network Systems. JOCN Hiroshi Ou, Yoshihito Sakai, Hirotaka Ujikawa, Takuya Tsutsumi, Toshihito Fujiwara, Yasutaka Kimura, Takeshi Sakamoto, H. Suzuki, Jun Terada, Akihiro Otaka
2015	—	`conf`	Mobile front-haul employing ethernet-based TDM-PON system for small cells. OFC Naotaka Shibata, Takayoshi Tashiro, Shigeru Kuwano, Naohiko Yuki, Jun Terada, Akihiro Otaka
2015	—	`conf`	Optical path protection with FEC switching in WDM/TDM-PON for ring access networks. ECOC Yuki Sakaue, Kota Asaka, Yumiko Senoo, Shin Kaneko, Tomoaki Yoshida, Jun Sugawa, Koji Wakayama, Ken-Ichi Suzuki, Akihiro Otaka
2015	—	`conf`	Parallelization of cipher algorithm on CPU/GPU for real-time software-defined access network. APSIPA Takahiro Suzuki, Sang-Yuep Kim, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka, Toshihiro Hanawa
2015	J	`jnl`	Performance Evaluation of Mobile Front-Haul Employing Ethernet-Based TDM-PON With IQ Data Compression [Invited]. JOCN Naotaka Shibata, Takayoshi Tashiro, Shigeru Kuwano, Naohiko Yuki, Youichi Fukada, Jun Terada, Akihiro Otaka
2015	—	`conf`	Real-time and fair throughput control in different OSU traffic bias with DLB algorithm for λ-tunable WDM/TDM-PON. ECOC Yumiko Senoo, Shin Kaneko, Tomoaki Yoshida, Jun Sugawa, Koji Wakayama, Ken-Ichi Suzuki, Akihiro Otaka
2015	J	`jnl`	Signaling Based Discard with Flags: Per-Flow Fairness in Ring Aggregation Networks. IEICE Trans. Commun. Yu Nakayama, Ken-Ichi Suzuki, Jun Terada, Akihiro Otaka
2015	—	`conf`	Split-PHY processing architecture to realize base station coordination and transmission bandwidth reduction in mobile fronthaul. OFC Kenji Miyamoto, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2015	B	`conf`	System level performance of uplink transmission in split-PHY processing architecture with joint reception for future radio access. PIMRC Naotaka Shibata, Kenji Miyamoto, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2015	—	`conf`	Uplink Joint Reception with LLR Forwarding for Optical Transmission Bandwidth Reduction in Mobile Fronthaul. VTC Spring Kenji Miyamoto, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2015	—	`conf`	WDM passive optical network managed with embedded pilot tone for mobile fronthaul. ECOC Kazuaki Honda, Takayuki Kobayashi, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2015	—	`conf`	λ-tuning protection scheme achieving under 50-ms protection time based on MPCP and backup-wavelength pre-assignment on WDM/TDM-PONs. OFC Shin Kaneko, Tomoaki Yoshida, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2008	J	`jnl`	Standardization Activities on Broadband Access Systems. IEICE Trans. Commun. Kenji Nakanishi, Akihiro Otaka, Yoichi Maeda