A CDMA InGaP/GaAs-HBT MMIC Power Amplifier Module Operating With a Low Reference Voltage of 2.4 V. - Kazuya Yamamoto; Takao Moriwaki; Hiroyuki Otsuka; Nobuyuki Ogawa; Kosei Maemura; Teruyuki Shimura (IEEE J. Solid State Circuits, 2007)

Resource coordination and interference mitigation between macrocell and femtocell. - Yong Bai; Juejia Zhou; Liu Liu; Lan Chen; Hiroyuki Otsuka (PIMRC, 2009)

A novel resource reservation scheme for fast and successful handover. - Mingju Li; Xiaoming She; Lan Chen; Hiroyuki Otsuka (PIMRC, 2009)

Improved Recursive Maximum Expansion Scheduling Algorithms for Uplink Single Carrier FDMA System. - Fang Liu; Xiaoming She; Lan Chen; Hiroyuki Otsuka (VTC Spring, 2010)

A Practical Design of Downlink Coordinated Multi-Point Transmission for LTE-Advanced. - Jianchi Zhu; Xiaoming She; Xiang Yun; Lan Chen; Hiroyuki Otsuka (VTC Spring, 2010)

Design of fiber-optic CoMP and relaying for smart and broadband distribution networks. - Hiroyuki Otsuka; Yukihiro Sakamoto; Akiyuki Nakajima (CHINACOM, 2011)

QoS guaranteed radio resource allocation scheme using Genetic Algorithm for OFDMA. - Juejia Zhou; Xiaoming She; Lan Chen; Hiroyuki Otsuka (CHINACOM, 2011)

Proposal of adaptive control CRE in heterogeneous networks. - Katsunori Kikuchi; Hiroyuki Otsuka (PIMRC, 2012)

Measurement and description method for image stabilization performance of digital cameras. - Norihiro Aoki; Hiroya Kusaka; Hiroyuki Otsuka (Sensors, Cameras, and Systems for Industrial and Scientific Applications, 2013)

Parameter optimization for adaptive control CRE in HetNet. - Katsunori Kikuchi; Hiroyuki Otsuka (PIMRC, 2013)

Performance Analysis of Fiber-Optic Relaying in the Presence of Interferences between Backhaul and Access Links. - Hiroyuki Otsuka; Naohiro Tanoi; Akiyuki Nakajima (VTC Fall, 2013)

Performance evaluation for different types of small cells with optimized transmssion power. - Sho Nakazawa; Mitsutoshi Nakamura; Shingo Matsuoka; Kazuaki Takeda 001; Satoshi Suyama; Yukihiko Okumura; Hiroyuki Otsuka (ICCS, 2014)

Performance analysis of cooperative control between CSO on CRE and transmission power for pico-eNB in HetNet. - Shingo Matsuoka; Katsunori Kikuchi; Hiroyuki Otsuka (ICUFN, 2014)

A new load-balancing method applying link-cost adjustment based on betweenness centrality in WDM networks. - Yutaro Nagata; Koichi Asatani; Hiroyuki Otsuka (ICUFN, 2014)

Throughput performance of time-division relaying for blank subframe ratio and RN transmission power. - Naohiro Tanoi; Chen Chen; Hiroyuki Otsuka (ICUFN, 2014)

Performance Analysis of Fiber-Optic Inband Relaying in the Presence of Self-Interference. - Hiroyuki Otsuka; Naohiro Tanoi; Naoto Ogura; Takahiro Kubo; Takahiro Asai; Yukihiko Okumura (VTC Fall, 2014)

Optimization for time-division Relaying against blank subframe ratio and transmission power. - Masaki Uezono; Sho Nakazawa; Shingo Matsuoka; Hiroyuki Otsuka (ICUFN, 2015)

Performance of Fiber-Optic Inband Relaying against Self-Interference in Both Uplink and Downlink. - Sho Nakazawa; Kohei Iwai; Mitsutoshi Nakamura; Takahiro Kubo; Takahiro Asai; Yukihiko Okumura; Hiroyuki Otsuka (VTC Fall, 2015)

Adaptive control CRE technique for eICIC in HetNet. - Norihiro Naganuma; Sho Nakazawa; Satoshi Suyama; Yukihiko Okumura; Hiroyuki Otsuka (ICUFN, 2016)

Throughput improvement by transmitter-side three-dimensional beamforming in mobile systems. - Ryota Nakao; Sho Nakazawa; Hiroyuki Otsuka (ICUFN, 2016)

Practical design method for fiber-optic inband relaying in the presence of self-interference. - Tomoki Ota; Mitsutoshi Nakamura; Hiroyuki Otsuka (WCSP, 2016)

Enhanced adaptive control CRE in heterogeneous networks. - Sho Nakazawa; Norihiro Naganuma; Hiroyuki Otsuka (CCNC, 2017)

3D beamforming effect for backhaul link in time-division relaying. - Ryota Nakao; Jun Mashino; Satoshi Suyama; Yukihiko Okumura; Hiroyuki Otsuka (ICUFN, 2017)

Performance evaluation of OFDM-based 256- and 1024-QAM in multipath fading propagation conditions. - Tomoki Ota; Mitsutoshi Nakamura; Hiroyuki Otsuka (ICUFN, 2017)

Performance Analysis of Fiber-Optic Inband Relaying against Both Self- and Inter-Cell Interference. - Ryota Nakao; Norihiro Naganuma; Shigeki Takano; Hiroyuki Otsuka (VTC Fall, 2017)

Proposal of CQI table switching control method corresponding to 256-QAM for CRE in HetNet. - Norihiro Naganuma; Kai Osawa; Jun Mashino; Satoshi Suyama; Hiroyuki Otsuka (ICOIN, 2018)

Influence of phase error on OFDM-based 4096-QAM with turbo coding. - Ruxiao Tian; Tomoki Ota; Hiroyuki Otsuka (ICOIN, 2018)

Downlink Multiuser Superposition Using QPSK and 256-QAM in Mobile Communication Systems. - Koki Senda; Hiroyuki Otsuka (ICUFN, 2018)

Transmission Performance of Superposed Modulation Using QPSK and 1024-QAM in Downlink NOMA. - Koki Senda; Hiroyuki Otsuka (APWCS, 2019)

Throughput Performance of Relay Backhaul Enhancement Using 3D Beamforming. - Hiroki Utatsu; Kai Osawa; Jun Mashino; Satoshi Suyama; Hiroyuki Otsuka (ICOIN, 2019)

Personal-Cell Scheme Using Adaptive Control CRE for Multicarrier HetNets. - Kento Fujisawa; Fumiya Kemmochi; Hiroyuki Otsuka (VTC Fall, 2019)

Potential Design for Modulation and Coding Scheme in mmWave Multicarrier HetNets. - Fumiya Kemmochi; Kento Fujisawa; Hiroyuki Otsuka (VTC Fall, 2019)

Performance Analysis of Fiber-Optic Relaying with Simultaneous Transmission and Reception on the Same Carrier Frequency. - Hiroki Utatsu; Hiroyuki Otsuka (IEICE Trans. Commun., 2019)

Transmission Performance of an OFDM-Based Higher-Order Modulation Scheme in Multipath Fading Channels. - Hiroyuki Otsuka; Ruxiao Tian; Koki Senda (J. Sens. Actuator Networks, 2019)

Implementation of MCS Incorporating 1024-QAM and Beam-Based Transmission in 3D-BF. - Yuji Omura; Fumiya Kemmochi; Kento Fujisawa; Hiroyuki Otsuka (VTC Spring, 2020)

Personal Picocell Scheme Using Adaptive Control CRE in Heterogeneous Mobile Networks. - Kento Fujisawa; Fumiya Kemmochi; Hiroyuki Otsuka (J. Sens. Actuator Networks, 2020)

Transmission Performance of OFDM-based 1024-QAM under Different Types of Multipath Fading Channels. - Daisuke Kosuge; Hiroyuki Otsuka (APWCS, 2021)

Throughput Performance of HetNets using Sectorized Picocells with 3D Beamforming at 28 GHz Band in Multipath Fading Channels. - Shoko Nishimura; Satoshi Suyama; Takahiro Asai; Hiroyuki Otsuka (APWCS, 2021)

Pico-eNB Tx Power Optimization for Multiband HetNets with MCS Incorporating 1024-QAM. - Ayumi Yoneyama; Fumiya Kemmochi; Hiroyuki Otsuka (ICOIN, 2021)

Throughput Performance of Multiband HetNets using Sectorized Picocells with 3D Beamforming at 28 GHz Band. - Fumiya Kemmochi; Yuji Omura; Hiroyuki Otsuka (VTC Spring, 2021)

Throughput Performance of Denser Mobile Networks Incorporating Fiber-Optic Relay Nodes. - Takumi Yasaka; Kentaro Yoda; Satoshi Suyama; Hiroyuki Otsuka (APWCS, 2022)

Throughput Improvement by Transmit 3D Beamforming and MCS Incorporating 1024-QAM. - Kentaro Yoda; Takumi Yasaka; Hiroyuki Otsuka (ICUFN, 2022)

Optimization of Pico-eNB Tx Power and the Effects of Picocell Range Expansion in Multiband HetNet. - Takumi Yasaka; Kentaro Yoda; Hiroyuki Otsuka (J. Sens. Actuator Networks, 2022)

Impact of 3D-BF against the Number of Picocell Sector in mmWave HetNets. - Naoto Inagaki; Kentaro Yoda; Takumi Yasaka; Satoshi Suyama; Hiroyuki Otsuka (APWCS, 2023)

Considerations on Tradeoff Between Downlink NOMA and Beamforming in Mobile Systems. - Kentaro Yoda; Takumi Yasaka; Kohei Miyashita; Satoshi Suyama; Hiroyuki Otsuka (ICOIN, 2023)

Proposal of Enhanced Cell Range Expansion for Heterogeneous Mobile Networks. - Kentaro Yoda; Hiroyuki Otsuka (ICUFN, 2023)

Proposal of Self-Interference Canceller Using DMRS for Full Duplex Mobile Communications. - Takumi Yasaka; Takayuki Yamada; Satoshi Suyama; Hiroyuki Otsuka (VTC2023-Spring, 2023)

Impact of Twelve-Sector Picocells with 3D-BF in mmWave HetNets. - Naoto Inagaki; Satoshi Suyama; Hiroyuki Otsuka (APWCS, 2024)

Performance of Adaptive Control CRE for FTP Traffic Model in Heterogeneous Mobile Network. - Daichi Shinji; Satoshi Suyama; Hiroyuki Otsuka (APWCS, 2024)

Performance of Self-Interference Canceller in SDRBased Full-Duplex System. - Takumi Yasaka; Kazuma Matsushima; Fuahi Hatsuku; Satoshi Suyama; Hiroyuki Otsuka (ICOIN, 2024)

BER Comparison Between Time-Domain and Frequency-Domain Self-Interference Canceller in 5G-Based Full-Duplex Mobile Communications. - Takumi Yasaka; Kazuma Matsushima; Satoshi Suyama; Hiroyuki Otsuka (ICOIN, 2025)