Mamoru Sawahashi

254 papers B 33C 12Misc 5Journal 102Unranked 102
YearRankTypeTitle / Venue / Authors
2026 J jnl
Detection Performance of Physical Random Access Channel in the Presence of Multi-Access Interference in Millimeter-Wave Bands.
IEICE Trans. Commun.
Yoshinobu Ota, Mamoru Sawahashi, Satoshi Suyama
2025 J jnl
Block Error Rate Performance of Carrier Frequency Offset Compensation and Channel Estimation Methods Using Synchronization Signals for NR PBCH.
IEICE Trans. Commun.
Takashi Ohiwa, Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2025 J jnl
Detection Performance of NR Downlink Initial Access Using Synchronization Signal Block in Millimeter-Wave Bands.
IEICE Trans. Commun.
Shun Yoneda, Takashi Ohiwa, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2025 — conf
Multiplexing Scheme for Initial Access Control Signals Using Dedicated Frequency Bandwidth in Sub-THz Communications.
ICOIN
Mamoru Sawahashi, Takashi Ohiwa, Satoshi Suyama
2025 — conf
PRACH Detection Probability in the Presence of Strong Phase Noise for NR Uplink in Sub-THz Bands.
ICOIN
Satoshi Tsuyuki, Yoshinobu Ota, Takashi Ohiwa, Mamoru Sawahashi, Satoshi Suyama
2025 J jnl
PRACH Transmission Employing Carrier Frequency Offset Pre-Compensation Based on Measurement at UE for NR Uplink.
IEICE Trans. Commun.
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2025 J jnl
Performance of Iterative Decision Feedback Channel Estimation in Turbo FDE for DFT-Spread OFDM.
IEICE Trans. Commun.
Chihiro Mori, Mamoru Sawahashi, Nobuhiko Miki, Satoshi Suyama
2025 J jnl
Performance of NR Physical Random Access Channel in the Presence of Carrier Frequency Offset in Millimeter-Wave Bands.
IEICE Trans. Commun.
Takamichi Chiba, Mamoru Sawahashi, Yoshihisa Kishiyama, Satoshi Suyama
2025 J jnl
Physical Layer Cell ID Detection Performance Using Polarization Receiver Diversity for NR in 3GPP CDL Channel Models.
IEICE Trans. Commun.
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2025 J jnl
Physical Layer Cell ID Detection Probabilities Using NR Synchronization Signals in the Presence of Carrier Frequency Offset and Phase Noise in Sub-THz Bands.
IEICE Trans. Commun.
Takashi Ohiwa, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2024 C conf
BER for QAM Schemes and LDPC Coding Rates in the Presence of Strong Phase Noise in Sub-THz Bands.
APCC
Manato Murakami, Takashi Ohiwa, Yoshiki Mori, Mamoru Sawahashi, Satoshi Suyama
2024 Misc conf
Comparisons of TDM and FDM Pilot Signals for Phase Noise Estimation with High-Order QAM for DFT-Spread OFDM.
ICNC
Ryota Kuribayashi, Mamoru Sawahashi
2024 — conf
Effect of Power Boosting Primary Synchronization Signal on Physical Layer Cell ID Detection in NR Downlink.
APWCS
Takashi Ohiwa, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2024 C conf
PCID Detection Probabilities in the Presence of CFO and Strong Phase Noise in Sub-THz Bands.
APCC
Takashi Ohiwa, Yuki Mabuchi, Mamoru Sawahashi, Satoshi Nagata, Satoshi Suyama
2024 — conf
Phase Noise Compensation Techniques for Cellular Systems in Millimeter-Wave Bands.
APWCS
Mamoru Sawahashi, Takashi Ohiwa, Ryota Kuribayashi, Satoshi Suyama
2023 — conf
BLER Performance of Carrier Frequency Offset Compensation and Channel Estimation Methods Using Synchronization Signals for NR PBCH.
APWCS
Takashi Ohiwa, Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata
2023 — conf
Detection Probability of PRACH Employing Carrier Frequency Offset Compensation at UE Transmission in NR Uplink.
WCSP
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata
2023 — conf
NR PRACH Detection Probability in the Presence of CFO in Multi-access Environments.
APWCS
Yoshinobu Ota, Takamichi Chiba, Mamoru Sawahashi, Satoshi Suyama
2023 J jnl
Performance of Broadcast Channel Using Hierarchical Modulation in OFDM Downlink.
IEICE Trans. Commun.
Daiki Mitamura, Mamoru Sawahashi, Yoshihisa Kishiyama
2023 C conf
Performance of NR Downlink Initial Access Using Synchronization Signal Block for mm-Wave Bands.
APCC
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata
2023 C conf
Performance of PSA-EKF Phase Noise Compensation in 3GPP Phase Noise Models for Mobile Backhaul Links.
APCC
Ryota Kuribayashi, Mamoru Sawahashi, Norifumi Kamiya
2023 — conf
Phase Noise Estimation and Compensation Using FDM Pilot for High-Order QAM Transmission in DFT-Spread OFDM Backhaul Links.
VTC Fall
Ryota Kuribayashi, Mamoru Sawahashi
2023 — conf
Physical Cell ID Detection Probability in the Presence of CFO Including Doppler Shift for NR TN and NTN.
APWCS
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata
2022 — conf
Bit Error Rate Performance of OFDM Using Hierarchical Modulation in 3GPP TDL Channel Model.
APWCS
Daiki Mitamura, Mamoru Sawahashi, Yoshihisa Kishiyama
2022 — conf
Comparisons of Physical Cell ID Detection Methods with Carrier Frequency Offset Compensation for Millimeter-Wave Bands.
VTC Fall
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata
2022 — conf
Detection Probability of PRACH with Short Sequence Considering Carrier Frequency Offset for NR Radio Interface.
APWCS
Takamichi Chiba, Mamoru Sawahashi, Yoshihisa Kishiyama
2022 B conf
Initial Physical Cell ID Detection Time Using NR Synchronization Signals Based on System-Level Simulation.
PIMRC
Shun Yoneda, Mamoru Sawahashi, Satoshi Nagata
2022 — conf
Performance of PSA Kalman Filters for Phase Noise Compensation in High-Order QAM OFDM Systems.
APWCS
Ryota Kuribayashi, Mamoru Sawahashi, Norifumi Kamiya
2022 B conf
Phase Noise Compensation Using FDM Based Pilot Symbol Assisted EKF for OFDM Based Radio Backhaul Links.
PIMRC
Ryota Kuribayashi, Mamoru Sawahashi, Norifumi Kamiya
2022 J jnl
Radio Frame Timing Detection Method Using Demodulation Reference Signals Based on PCID Detection for NR Initial Access.
IEICE Trans. Commun.
Kyogo Ota, Daisuke Inoue, Mamoru Sawahashi, Satoshi Nagata
2021 — conf
BER of LDPC-Coded Single-Carrier LOS-MIMO Using FDE in 3GPP TDL Channel Models.
APWCS
Aiki Hara, Kana Aono, Mamoru Sawahashi, Norifumi Kamiya
2021 — conf
BLER Performance of Circular 256QAM Schemes Considering Cubic Metric for DFT-Precoded OFDM.
APWCS
Yugo Sasaki, Mamoru Sawahashi, Yoshihisa Kishiyama
2021 — conf
BLER of Turbo SIC Multiplying Weighting Factor to Symbol Estimates for OFDM Using FTN Signaling.
APWCS
Toshiharu Obara, Tsubasa Shobudani, Mamoru Sawahashi, Yoshihisa Kishiyama
2021 — conf
Detection Probability of PRACH Preamble for NR in 3GPP TDL Channel Models.
APWCS
Kosuke Kamata, Mamoru Sawahashi, Yoshihisa Kishiyama
2021 — conf
Faster-than-Nyquist Signaling Assigning Increased Resources to Parity Bits for Turbo-Coded OFDM.
ISWCS
Tsubasa Shobudani, Mamoru Sawahashi, Kenichi Higuchi, Yoshihisa Kishiyama
2021 J jnl
Performance of Circular 32QAM/64QAM Schemes Using Frequency Domain Equalizer for DFT-Precoded OFDM.
IEICE Trans. Commun.
Chihiro Mori, Miyu Nakabayashi, Mamoru Sawahashi, Teruo Kawamura, Nobuhiko Miki
2021 J jnl
Performance of FDE Using Frequency Domain Despreading and Averaging of Cyclic-Shifted CDM Based Pilot Signals for Single-Carrier LOS-MIMO.
IEICE Trans. Commun.
Kana Aono, Bin Zheng, Mamoru Sawahashi, Norifumi Kamiya
2021 — conf
Physical Cell ID Detection Performance Using Polarization Receiver Diversity for NR in 3GPP CDL Channel Models.
WPMC
Shun Yoneda, Daisuke Inoue, Mamoru Sawahashi, Satoshi Nagata
2021 J jnl
Physical Cell ID Detection Probability Using NB-IoT Synchronization Signals in 28-GHz Band.
IEICE Trans. Commun.
Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2021 J jnl
Physical Cell ID Detection Probability Using NR Synchronization Signals in 28-GHz Band.
IEICE Trans. Commun.
Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2021 — conf
Physical Cell ID Detection Using Joint Estimation of Frequency Offset and SSS Sequence for NR Initial Access.
VTC Spring
Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2021 J jnl
Physical Cell ID Detection Using Joint Estimation of Frequency Offset and SSS Sequence for NR Initial Access.
IEICE Trans. Commun.
Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2021 — conf
Round Trip Time for Control Channel Multiplexing Using In-Band Full Duplex with Synchronous Orthogonal Sequence Assignment.
APWCS
Mamoru Sawahashi, Fumiya Makishi, Yoshihisa Kishiyama
2021 — conf
Synchronization Signal Design Using Single-Carrier Waveform for Physical- Layer Cell ID Detection.
VTC Fall
Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2021 J jnl
TDM Based Reference Signal Multiplexing for OFDM Using Faster-than-Nyquist Signaling.
IEICE Trans. Commun.
Tsubasa Shobudani, Mamoru Sawahashi, Yoshihisa Kishiyama
2020 — conf
Performance of FDE Using Partial LDPC Coding with Double Gray Mapping for Single-Carrier LOS-MIMO.
VTC Spring
Kana Aono, Bin Zheng, Mamoru Sawahashi, Norifumi Kamiya
2020 — conf
Physical Cell ID Detection Probability Using Synchronization Signals of NB-IoT Radio Interface in 28-GHz Band.
VTC Spring
Daisuke Inoue, Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2019 — conf
Block Error Rate Performance of OFDM with Faster-than-Nyquist Signaling Using TDM Based Reference Signal Multiplexing.
APWCS
Tsubasa Shobudani, Mitsutaka Anan, Mamoru Sawahashi, Yoshihisa Kishiyama
2019 — conf
Performance of FDE Using Cyclic-Shifted CDM Based Pilot Signal Multiplexing for Single-Carrier LOS-MIMO.
VTC Fall
Kana Aono, Bin Zheng, Mamoru Sawahashi, Norifumi Kamiya
2019 J jnl
Performance of Iterative Digital Self-Interference Canceler with Alternating Estimate Subtraction for OFDM Using Full Duplex.
IEICE Trans. Commun.
Takahiro Ohtomo, Hiroki Yamada, Mamoru Sawahashi, Keisuke Saito
2019 — conf
Performance of Physical Cell ID Detection Probability Considering Frequency Offset for NR Radio Interface.
VTC Fall
Kyogo Ota, Aya Shimura, Mamoru Sawahashi, Satoshi Nagata
2019 J jnl
Physical Cell ID Detection Probabilities Using Frequency Domain PVS Transmit Diversity for NB-IoT Radio Interface.
IEICE Trans. Commun.
Aya Shimura, Mamoru Sawahashi, Satoshi Nagata, Yoshihisa Kishiyama
2019 — conf
Physical Cell ID Detection Probability Using Synchronization Signals for NR Radio Interface Below 6 GHz.
APWCS
Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2019 C conf
Physical Cell ID Detection Probability Using Synchronization Signals for NR Radio Interface in 28-GHz Band.
APCC
Kyogo Ota, Mamoru Sawahashi, Satoshi Nagata
2019 J jnl
Single-carrier frequency domain equalisation for microwave LOS-MIMO systems and its performance analysis.
IET Commun.
Norifumi Kamiya, Mamoru Sawahashi, Eisaku Sasaki
2019 — conf
Symbol Timing Detection Based on Pilot Signal Correlation for FDE in Single-Carrier LOS-MIMO.
APWCS
Kana Aono, Mamoru Sawahashi, Norifumi Kamiya
2018 — conf
BLER Performance of Windowed-OFDM Using Faster-than-Nyquist Signaling with 16QAM.
WPMC
Mitsutaka Anan, Mamoru Sawahashi, Yoshihisa Kishiyama
2018 C conf
Physical Cell ID Detection Performance Applying Frequency Diversity Reception to NPSS and NSSS for NB-IoT.
APCC
Aya Shimura, Mamoru Sawahashi, Satoshi Nagata, Yoshihisa Kishiyama
2018 — conf
Physical Cell ID Detection Probability Using Synchronization Signals for NR Radio Interface.
WPMC
Kyogo Ota, Aya Shimura, Mamoru Sawahashi, Satoshi Nagata
2018 B conf
Physical Channel Multiplexing Using Symbol Repetition in Every Subframe for Full Duplex.
PIMRC
Mamoru Sawahashi, Hiroki Yamada, Yoshihisa Kishiyama
2018 C conf
Time-Synchronized Control-Channel Multiplexing Scheme Using Cyclic-Shifted Zadoff-Chu Sequences for Full Duplex.
APCC
Mamoru Sawahashi, Hiroki Yamada, Aya Shimura, Yoshihisa Kishiyama
2017 — conf
High-order circular QAM constellation with high LDPC coding rate for phase noise channels.
WPMC
Bin Zheng, Lianjun Deng, Mamoru Sawahashi, Norifumi Kamiya
2017 — conf
Initial Cell Search Method with MLD Based Frequency Offset Estimation in LTE Heterogeneous Networks.
VTC Fall
Aya Shimura, Mamoru Sawahashi, Satoshi Nagata, Yoshihisa Kishiyama
2017 C conf
Performance of alternately iterative digital self-interference canceler for OFDM using full duplex.
APCC
Takahiro Ohtomo, Hiroki Yamada, Mamoru Sawahashi, Keisuke Saito
2017 — conf
Performance of physical cell ID detection using PVS based transmit diversity for NB-IoT.
WPMC
Aya Shimura, Mamoru Sawahashi, Satoshi Nagata, Yoshihisa Kishiyama
2017 C conf
Performance of pilot symbol assisted and PLL phase noise estimation and compensation for high-order circular QAM.
APCC
Bin Zheng, Lianjun Deng, Mamoru Sawahashi, Norifumi Kamiya
2017 J jnl
Radio Access Technologies for Broadband Mobile Communications.
IEICE Trans. Commun.
Mamoru Sawahashi, Kenichi Higuchi
2016 — conf
Effect of data channel multiplexing using symbol repetition considering asymmetric traffic load for full duplex.
WPMC
Yohei Iwasawa, Takahiro Ohtomo, Mamoru Sawahashi, Keisuke Saito
2016 — conf
Initial Cell Search Method Based on Two-Step Frequency Offset Estimation for Small Cells in Heterogeneous Networks.
VTC Fall
Naoki Noguchi, Mamoru Sawahashi, Satoshi Nagata, Yoshihisa Kishiyama
2016 — conf
Performance of circular QAM constellations using partial channel coding with parallel double gray mapping.
WPMC
Lianjun Deng, Bin Zheng, Mamoru Sawahashi, Norifumi Kamiya
2016 J jnl
Throughput Analyses Based on Practical Upper Bound for Adaptive Modulation and Coding in OFDM MIMO Multiplexing.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Bing Han, Teruo Kawamura, Yuichi Kakishima, Mamoru Sawahashi
2015 C conf
Cell Search Time Performance Using Same Frequency Spectrum for Heterogeneous Networks Including Indoor Small Cells.
ISADS
Naoki Noguchi, Mamoru Sawahashi, Satoshi Nagata
2015 C conf
Cell search time performance using PVS transmit diversity in heterogeneous networks with the same frequency spectrum.
APCC
Naoki Noguchi, Mamoru Sawahashi, Satoshi Nagata
2015 J jnl
Comparative Study of Open-Loop Transmit Diversity Schemes with Four Antennas in DFT-Precoded OFDMA Using Turbo FDE and Iterative Channel Estimation.
IEICE Trans. Commun.
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2015 — conf
Fast Cell Search Method Using PSS and SSS Based on Frequency Offset Estimation for Heterogeneous Networks with Separate Frequency Spectrum.
VTC Spring
Naoki Noguchi, Satoshi Nagata, Mamoru Sawahashi
2015 — conf
Faster-than-Nyquist signaling with non-uniform compression factors for OFDM/OQAM.
ISPACS
Yuki Yamada, Mamoru Sawahashi, Keisuke Saito
2015 J jnl
Performance Evaluations of Transmit Diversity Schemes with Synchronization Signals for LTE Downlink.
IEICE Trans. Commun.
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2015 J jnl
Performance of Open-Loop Transmit Diversity with Intra-Subframe Frequency Hopping and Iterative Decision-Feedback Channel Estimation for DFT-Precoded OFDMA.
IEICE Trans. Commun.
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2015 J jnl
Performance of Outer-Loop Control for Adaptive Modulation and Coding Based on Mutual Information in OFDM MIMO SDM.
IEICE Trans. Commun.
Teppei Ebihara, Yasuhiro Kuge, Hidekazu Taoka, Nobuhiko Miki, Mamoru Sawahashi
2015 C conf
Performance of time and frequency compression of faster-than-nyquist signaling in frequency-selective fading channels.
APCC
Yuki Yamada, Mamoru Sawahashi, Keisuke Saito
2014 — conf
CSI Reference Signal Multiplexing Using Carrier Frequency Swapping for FDD High-Order MIMO SDM.
VTC Fall
Mamoru Sawahashi, Teruo Kawamura, Yuichi Kakishima
2014 — conf
Comparative Study of SC-FDMA and OFDMA Using Turbo SIC Considering Soft-Symbol Estimate for MIMO SDM.
VTC Spring
Chihiro Mori, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2014 — conf
Effects of antenna receiver diversity with Faster-than-Nyquist signaling using OFDM/OQAM in multipath fading channel.
WPMC
Kazusa Yagishita, Yuichi Kakishima, Mamoru Sawahashi
2014 — conf
Investigation of Degradation Factors for Adaptive Modulation and Coding in OFDM-MIMO Multiplexing.
VTC Spring
Bing Han, Teruo Kawamura, Yuichi Kakishima, Mamoru Sawahashi
2014 J jnl
Investigation on Frequency Diversity Effects of Various Transmission Schemes Using Frequency Domain Equalizer for DFT-Precoded OFDMA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2014 — conf
Performance Evaluation of Cell Search Time for Heterogeneous Networks.
VTC Spring
Naoki Noguchi, Satoshi Nagata, Mamoru Sawahashi
2014 J jnl
Performance of Star 16/64QAM Schemes Using Turbo FDE with Iterative Decision-Directed Channel Estimation for DFT-Precoded OFDMA.
J. Commun.
Chihiro Mori, Mamoru Sawahashi, Teruo Kawamura, Nobuhiko Miki
2014 J jnl
Performance of Star 16QAM Schemes Considering Cubic Metric for Uplink DFT-Precoded OFDMA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Teruo Kawamura, Yoshihisa Kishiyama, Mamoru Sawahashi
2014 Misc conf
Performance of downlink control information signals using decision-feedback channel estimation for EPDCCH.
ICCS
Shinya Hirayama, Kazuaki Takeda, Yuichi Kakishima, Mamoru Sawahashi
2014 Misc conf
TDM based reference signal multiplexing for Faster-than-Nyquist signaling using OFDM/OQAM.
ICCS
Takahiro Hirano, Yuichi Kakishima, Mamoru Sawahashi
2013 — conf
Effect of joint modulation and coding scheme selection on turbo SIC for OFDM-MIMO multiplexing.
WCSP
Bing Han, Teppei Ebihara, Hidekazu Taoka, Teruo Kawamura, Mamoru Sawahashi
2013 — conf
Investigation on LLR Computation at FDE Output with Receiver Diversity Using Low-Rate Turbo Code for DFT-Precoded OFDMA.
VTC Fall
Keita Miwa, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2013 — conf
Performance of turbo FDE using two-dimensional LMMSE based iterative decision-directed channel estimation for DFT-precoded OFDMA.
WCSP
Chihiro Mori, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2013 — conf
Performance of turbo frequency domain equalizer using iterative decision-directed channel estimation for DFT-precoded OFDMA.
WPMC
Chihiro Mori, Yoshikazu Tanaka, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2012 J jnl
Comparative Study of Open-Loop Transmit Diversity Schemes for DFT-Precoded OFDMA in Frequency-Selective Fading Channels.
IEICE Trans. Commun.
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2012 Misc conf
Comparative study of open-loop transmit diversity schemes with four antennas in DFT-precoded OFDMA using turbo FDE and iterative channel estimation.
ICCS
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2012 J jnl
Effect of Intra-Subframe Frequency Hopping on Codebook Based Closed-Loop Transmit Diversity for DFT-Precoded OFDMA.
IEICE Trans. Commun.
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2012 — conf
Effects of open-loop transmit diversity schemes with four antennas on control signals using cyclic-shift CDMA.
WPMC
Yuichiro Hikosaka, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2012 — conf
Investigation on frequency diversity effects for various transmission schemes Using frequency domain equalizer in DFT-precoded OFDMA.
CHINACOM
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2012 — conf
Link-level performance of star 32/64QAM schemes using frequency domain equalizer for DFT-precoded OFDMA.
WPMC
Chihiro Mori, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2012 J jnl
Performance Evaluation of Joint MLD with Channel Coding Information for Control Signals Using Cyclic Shift CDMA and Block Spread CDMA.
IEICE Trans. Commun.
Teruo Kawamura, Ryota Takahashi, Hideyuki Numata, Nobuhiko Miki, Mamoru Sawahashi
2012 — conf
Performance comparisons of localized and distributed transmissions using iterative decision-directed channel estimation in DFT-precoded OFDMA.
WPMC
Keita Miwa, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2012 — conf
Performance of Decision-Directed Channel Estimation Using Low-Rate Turbo Codes for DFT-Precoded OFDMA.
VTC Spring
Keita Miwa, Nobuhiko Miki, Teruo Kawamura, Mamoru Sawahashi
2012 — conf
Performance of Outer-Loop Control for AMC Based on Mutual Information in MIMO-OFDM Downlink.
VTC Spring
Teppei Ebihara, Hidekazu Taoka, Nobuhiko Miki, Mamoru Sawahashi
2012 Misc conf
Performance of decision-feedback channel estimation for TDM based control signals in OFDMA downlink.
ICCS
Shunsuke Okaniwa, Nobuhiko Miki, Teruo Kawamura, Mamoru Sawahashi
2012 — conf
Performance of star 16QAM using iterative decision-directed channel estimation for DFT-precoded OFDMA.
WCSP
Chihiro Mori, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2012 J jnl
Throughput Comparisons of 32/64APSK Schemes Based on Mutual Information Considering Cubic Metric.
IEICE Trans. Commun.
Reo Kobayashi, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2011 — conf
CDM based reference signal structure using oversampling for OFDM downlink.
WCSP
Masahiro Tabata, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2011 — conf
Cell Search Time Performance Using Multipath Signals in LTE Downlink.
VTC Spring
Yuki Tsuchida, Satoshi Nagata, Mamoru Sawahashi
2011 — conf
Combined Effect of Transmit Diversity and Frequency Hopping for DFT-Precoded OFDMA in Uplink Frequency-Selective Fading Channels.
VTC Spring
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2011 — conf
Effect of Intra-Subframe Frequency Hopping on Closed-Loop Type Transmit Diversity with Precoding for Uplink DFT-Precoded OFDMA.
VTC Fall
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2011 — conf
Hybrid reference signal multiplexing using combination of block spread and cyclic shift CDMA for uplink control signals in DFT-precoded OFDMA.
WCSP
Yuichiro Hikosaka, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2011 — conf
Inter-Code Interference Canceller for Control Signals Using Cyclic Shift CDMA in LTE Uplink.
VTC Spring
Yuichiro Hikosaka, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2011 — conf
Investigation on best combining scheme for diversity branches in joint MLD for PUCCH in LTE uplink.
WCSP
Hideyuki Numata, Teruo Kawamura, Mamoru Sawahashi
2011 — conf
Investigation on transmit and receiver diversity gains considering channel estimation error for uplink DFT-precoded OFDMA.
WCSP
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2011 — conf
Iterative decision-feedback channel estimation for turbo SIC in DFT-precoded OFDMA using QO-STBC.
ISPACS
Lianjun Deng, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2011 — conf
Performance of decision-directed channel estimation using effective path selection in time domain for uplink DFT-precoded OFDMA.
WPMC
Akihiro Tanaka, Teruo Kawamura, Mamoru Sawahashi
2011 — conf
Performance of decision-directed channel estimation using low-rate turbo codes for OFDM.
ISPACS
Keita Miwa, Nobuhiko Miki, Mamoru Sawahashi
2011 — conf
Performance of space orthogonal resource transmit diversity for delay spreads in PUCCH using cyclic shift CDMA.
ISPACS
Yuichiro Hikosaka, Teruo Kawamura, Hidekazu Taoka, Mamoru Sawahashi
2011 — conf
Throughput comparisons of star 32/64 QAM schemes based on mutual information considering cubic metric.
WCSP
Reo Kobayashi, Teruo Kawamura, Nobuhiko Miki, Mamoru Sawahashi
2010 J jnl
Coordinated multipoint transmission/reception techniques for LTE-advanced.
IEEE Wirel. Commun.
Mamoru Sawahashi, Yoshihisa Kishiyama, Akihito Morimoto, Daisuke Nishikawa, Motohiro Tanno
2010 J jnl
Investigation of Inter-Node B Macro Diversity for Single-Carrier Based Radio Access in Evolved UTRA Uplink.
IEICE Trans. Commun.
Hiroyuki Kawai, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2010 — conf
Multiple-Encoder Layered Space-Time-Frequency Architecture with QRM-MLD Detection.
ICC
Yuanliang Huang, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Adaptive Selection of Surviving Symbol Replica Candidates for Quasi-Maximum Likelihood Detection Using M-Algorithm with QR-Decomposition for OFDM MIMO Multiplexing.
IEICE Trans. Commun.
Kenichi Higuchi, Hiroyuki Kawai, Hidekazu Taoka, Noriyuki Maeda, Mamoru Sawahashi
2009 J jnl
Block-Wise Resource Block-Level Distributed Transmission for Shared Data Channel in OFDMA Evolved UTRA Downlink.
IEICE Trans. Commun.
Satoshi Nagata, Yoshiaki Ofuji, Yoshihisa Kishiyama, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Cell Search Time Comparison Using Hierarchical and Non-hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink.
IEICE Trans. Commun.
Satoshi Nagata, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Comparisons between Common and Dedicated Reference Signals for MIMO Multiplexing Using Precoding in Evolved UTRA Downlink.
IEICE Trans. Commun.
Hidekazu Taoka, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Coverage Performance of Common/Shared Control Signals Using Transmit Diversity in Evolved UTRA Downlink.
IEICE Trans. Commun.
Hidekazu Taoka, Akihito Morimoto, Hiroyuki Kawai, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Experimental Evaluation of Time Diversity Effect in Hybrid ARQ Considering Space and Path Diversity for Downlink OFDM-Based Broadband Radio Access.
IEICE Trans. Commun.
Nobuhiko Miki, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi, Masao Nakagawa
2009 J jnl
Experiments on Frequency Error Compensation Using Synchronization Channel in OFDM Radio Access.
IEICE Trans. Commun.
Hidekazu Taoka, Fumiaki Ito, Keiji Takakusaki, Mamoru Sawahashi
2009 J jnl
Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-Based RANs.
IEICE Trans. Commun.
Motohiro Tanno, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Field Experiments on Open-Loop Type Transmit Diversity in OFDM Radio Access.
IEICE Trans. Commun.
Shohei Tsuchida, Mamoru Sawahashi, Hidekazu Taoka, Kenichi Higuchi
2009 J jnl
Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access.
IEICE Trans. Commun.
Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Foreword.
IEICE Trans. Commun.
Mamoru Sawahashi
2009 J jnl
Influence of Channel Estimation Error on MIMO Multiplexing Using Precoding in Downlink OFDM Radio Access.
IEICE Trans. Commun.
Takashi Isogai, Mamoru Sawahashi, Hidekazu Taoka, Kenichi Higuchi
2009 J jnl
Investigation of Inter-Cell Transmission Power Control Using Overload Indicator for Selected Users for Evolved UTRA Uplink.
IEICE Trans. Commun.
Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Investigation on Optimum Control Interval for Intra-Cell Fractional TPC Using AMC for Shared Channel in Evolved UTRA Uplink.
IEICE Trans. Commun.
Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
Investigation on Optimum Radio Link Connection Using Remote Radio Equipment in Heterogeneous Network for LTE-Advanced.
VTC Spring
Akihito Morimoto, Motohiro Tanno, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
Investigation on Optimum Radio Parameter Design in Layered OFDMA for LTE-Advanced.
VTC Spring
Kazuaki Takeda, Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Investigations on Physical Random Access Channel Structure in Evolved UTRA Uplink.
IEICE Trans. Commun.
Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Layered OFDMA and Its Radio Access Techniques for LTE-Advanced.
IEICE Trans. Commun.
Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi
2009 — conf
MLD Based MIMO-OFDM Demodulation and Decoding LSI with Low Power Consumption for Release 8 LTE.
VTC Fall
Nobuhiko Miki, Hiroyuki Kawai, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi, Hiroyuki Matsuno, Hiroyuki Nagasaka
2009 J jnl
Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink.
IEICE Trans. Commun.
Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi, Masao Nakagawa
2009 — conf
Performance Comparison Between Cyclic Shift and Block Spreading CDMA Using MLD with Channel Coding Information for Uplink Control Signals.
VTC Fall
Ryota Takahashi, Mamoru Sawahashi, Teruo Kawamura, Nobuhiko Miki
2009 J jnl
Performance Comparison between Turbo Code and Rate-Compatible LDPC Code for Evolved UTRA Downlink OFDM Radio Access.
IEICE Trans. Commun.
Naoto Okubo, Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Performance Evaluations of MBMS Signals Using Transmit/Receiver Diversity with SFN in OFDM Based Evolved UTRA Downlink.
IEICE Trans. Commun.
Akihito Morimoto, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2009 J jnl
Single-Carrier Based Multiplexing of Layer 1/Layer 2 Control Signals in Evolved UTRA Uplink Using DFT-Spread OFDM.
IEICE Trans. Commun.
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2008 — conf
CAZAC Sequence Hopping for Physical Uplink Control Channel of LTE.
VTC Fall
Feng Lu, Toshihiko Komine, Toshinori Suzuki, Mamoru Sawahashi
2008 — conf
Effect of noise suppression in channel estimation for single-carrier FDMA radio access with variable transmission bandwidth.
ISWCS
Takayuki Sakurai, Mamoru Sawahashi, Teruo Kawamura, Kenichi Higuchi
2008 — conf
Experiments on IP and physical layer packet throughput performance in evolved UTRA uplink using SC-FDMA radio access.
ISWCS
Teruo Kawamura, Yoshihisa Kishiyama, Akihito Morimoto, Mamoru Sawahashi
2008 B conf
Experiments on frequency error compensation using Synchronization Channel in OFDM radio access.
PIMRC
Hidekazu Taoka, Fumiaki Ito, Keiji Takakusaki, Mamoru Sawahashi
2008 J jnl
Field Experiments on MIMO Multiplexing with Peak Frequency Efficiency of 50 Bit/Second/Hz Using MLD Based Signal Detection for OFDM High-Speed Packet Access.
IEEE J. Sel. Areas Commun.
Hidekazu Taoka, Ki Dai, Kenichi Higuchi, Mamoru Sawahashi
2008 — conf
Investigation on Transmit Diversity for Synchronization Channel in OFDM Based Evolved UTRA Downlink.
VTC Fall
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Motohiro Higuchi, Mamoru Sawahashi
2008 — conf
Investigation on optimum control interval for intra-cell fractional TPC using AMC for shared channel in Evolved UTRA uplink.
ISWCS
Daisuke Nishikawa, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2008 — conf
Layered OFDMA Radio Access for IMT-Advanced.
VTC Fall
Motohiro Tanno, Yoshihisa Kishiyama, Hidekazu Taoka, Nobuhiko Miki, Kenichi Higuchi, Mamoru Sawahashi
2008 J jnl
OFCDM: a promising broadband wireless access technique.
IEEE Commun. Mag.
Yiqing Zhou, Tung-Sang Ng, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi
2008 J jnl
Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink.
IEICE Trans. Commun.
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2008 J jnl
Performance analysis of MMSE detectors for high speed VSF-OFCDM.
IEEE Trans. Commun.
Bin Xia, Jiangzhou Wang, Mamoru Sawahashi
2007 — conf
Cell Search Time Comparison Using Hierarchical and Non-Hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink.
VTC Spring
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-based RANs.
PIMRC
Motohiro Tanno, Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Field Experiments on Ultimate Frequency Efficiency Exceeding 30 Bit/Second/Hz Using MLD Signal Detection in MIMO-OFDM Broadband Packet Radio Access.
VTC Spring
Hidekazu Taoka, Ki Dai, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Group-Wised Reference Signal Allocation for Single-Carrier FDMA Radio Access in Evolved UTRA Uplink.
VTC Spring
Yoshiaki Ofuji, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Investigation on Optimum Coding and Multiplexing Schemes for L1/L2 Control Signals in OFDM based Evolved UTRA Downlink.
PIMRC
Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Investigations on Synchronization Channel Sequences in OFDM Based Evolved UTRA Downlink.
VTC Fall
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2007 J jnl
Iterative Signal Processing for Coded LSTF Architectures.
IEEE Trans. Wirel. Commun.
Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi
2007 — conf
Layer 1 / Layer 2 Control Channel Structure in Single-Carrier FDMA Based Evolved UTRA Uplink.
VTC Spring
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink.
WCNC
Nobuhiko Miki, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink.
WCNC
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Performance Evaluation of Closed-Loop based Antenna Switching Transmit Diversity Associated with Frequency Domain Channel-Dependent Scheduling in E-UTRA Uplink.
PIMRC
Hiroyuki Kawai, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2007 B conf
Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink.
WCNC
Motohiro Tanno, Satoshi Nagata, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2007 J jnl
Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink.
IEICE Trans. Commun.
Motohiro Tanno, Kenichi Higuchi, Satoshi Nagata, Yoshihisa Kishiyama, Mamoru Sawahashi
2006 B conf
A new layered space-time-frequency architecture with LDPC coding for OFDM MIMO multiplexing.
WCNC
Yuanliang Huang, Jiangzhou Wang, Kenichi Higuchi, Mamoru Sawahashi
2006 J jnl
Adaptive control of surviving symbol replica candidates in QRM-MLD for OFDM MIMO multiplexing.
IEEE J. Sel. Areas Commun.
Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi
2006 J jnl
Downlink transmission of broadband OFCDM Systems-part II: effect of Doppler shift.
IEEE Trans. Commun.
Yiqing Zhou, Jiangzhou Wang, Mamoru Sawahashi
2006 J jnl
Downlink transmission of broadband OFCDM systems-part III: turbo-coded.
IEEE J. Sel. Areas Commun.
Yiqing Zhou, Jiangzhou Wang, Mamoru Sawahashi
2006 J jnl
Experiments on real-time 1-Gb/s packet transmission using MLD-based signal detection in MIMO-OFDM broadband radio access.
IEEE J. Sel. Areas Commun.
Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Hidekazu Taoka, Mamoru Sawahashi
2006 — conf
Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access.
VTC Spring
Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Frequency Domain Channel-Dependent Scheduling Employing an Adaptive Transmission Bandwidth for Pilot Channel in Uplink Single-Carrier-FDMA Radio Access.
VTC Spring
Yoshiaki Ofuji, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Intra-Node B Orthogonal Pilot Channel Structure for OFDM Radio Access in Evolved UTRA Downlink.
VTC Spring
Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Investigations on Optimum Roll-off Factor for DFT-Spread OFDM Based SC-FDMA Radio Access in Evolved UTRA Uplink.
ISWCS
Teruo Kawamura, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Investigations on Random Access Channel Structure in Evolved UTRA Uplink.
ISWCS
Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Multi-degree Random Cyclic Delay Diversity in MISO Systems with Frequency-Domain Scheduling.
APCCAS
Zhengang Pan, Jingxiu Liu, Lan Chen, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Optimum Resource Block Bandwidth for Frequency Domain Channel-Dependent Scheduling in Evolved UTRA Downlink OFDM Radio Access.
VTC Spring
Satoshi Nagata, Yoshiaki Ofuji, Kenichi Higuchi, Mamoru Sawahashi
2006 — conf
Performance Comparison Between Fast Sector Selection and Simultaneous Transmission with Soft-Combining for Intra-Node B Macro Diversity in Downlink OFDM Radio Access.
VTC Spring
Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2006 B ed.
Proceedings of the International Conference on Wireless Communications and Mobile Computing, IWCMC 2006, Vancouver, British Columbia, Canada, July 3-6, 2006
IWCMC
Seizo Onoe, Mohsen Guizani, Hsiao-Hwa Chen, Mamoru Sawahashi
2006 J jnl
Special Issue on MC-SS Experiments on space diversity effect in MIMO channel transmission with maximum data rate of 1 Gbps in downlink OFDM radio access.
Eur. Trans. Telecommun.
Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2005 J jnl
Accurate FFT Processing Window Timing Detection Based on Maximum SIR Criterion in OFCDM Wireless Access.
IEICE Trans. Commun.
Satoshi Nagata, Noriyuki Maeda, Hiroyuki Atarashi, Mamoru Sawahashi
2005 J jnl
Cell Selection Based on Shadowing Variation for Forward Link Broadband OFCDM Packet Wireless Access.
IEICE Trans. Commun.
Akihito Morimoto, Sadayuki Abeta, Mamoru Sawahashi
2005 J jnl
Comparison of Throughput Employing Hybrid ARQ Packet Combining in Forward Link OFCDM Broadband Packet Wireless Access.
IEICE Trans. Commun.
Nobuhiko Miki, Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi
2005 J jnl
Downlink transmission of broadband OFCDM Systems-part I: hybrid detection.
IEEE Trans. Commun.
Yiqing Zhou, Jiangzhou Wang, Mamoru Sawahashi
2005 J jnl
Editorial.
EURASIP J. Adv. Signal Process.
Sofiène Affes, Jacob Benesty, David Gesbert, Laurence Mailaender, Mamoru Sawahashi
2005 J jnl
Fast Cell Search Algorithm for Overlay System with Cellular and Isolated Cells in Forward Link for OFCDM Broadband Wireless Access.
IEICE Trans. Commun.
Motohiro Tanno, Hiroyuki Atarashi, Kenichi Higuchi, Mamoru Sawahashi
2005 J jnl
Field Experiments on Throughput Performance above 100 Mbps in Forward Link for VSF-OFCDM Broadband Wireless Access.
IEICE Trans. Commun.
Yoshihisa Kishiyama, Noriyuki Maeda, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi
2005 J jnl
Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel.
IEICE Trans. Commun.
Hiroyuki Kawai, Kenichi Higuchi, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki
2005 J jnl
Performance comparison of optimum and MMSE receivers with imperfect channel estimation for VSF-OFCDM systems.
IEEE Trans. Wirel. Commun.
Bin Xia, Jiangzhou Wang, Mamoru Sawahashi
2005 J jnl
Unified Packet Scheduling Method Considering Delay Requirement in OFCDM Forward Link Broadband Wireless Access.
IEICE Trans. Commun.
Yoshiaki Ofuji, Sadayuki Abeta, Mamoru Sawahashi
2005 J jnl
Variable Spreading Factor-OFCDM with Two Dimensional Spreading that Prioritizes Time Domain Spreading for Forward Link Broadband Wireless Access.
IEICE Trans. Commun.
Noriyuki Maeda, Yoshihisa Kishiyama, Hiroyuki Atarashi, Mamoru Sawahashi
2005 J jnl
Variable Spreading and Chip Repetition Factors (VSCRF)-CDMA in Reverse Link for Broadband Packet Wireless Access.
IEICE Trans. Commun.
Yoshikazu Goto, Teruo Kawamura, Hiroyuki Atarashi, Mamoru Sawahashi
2004 B conf
Adaptive selection of surviving symbol replica candidates based on maximum reliability in QRM-MLD for OFCDM MIMO multiplexing.
GLOBECOM
Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi
2004 — conf
Analysis on tradeoff between frequency diversity and inter-code interference considering fading correlation in forward link for VSF-OFCDM wireless access.
VTC Fall (2)
Tony Q. S. Quek, Noriyuki Maeda, Hiroyuki Atarashi, Mamoru Sawahashi
2004 J jnl
Broadband wireless access based on VSF-OFCDM and VSCRF-CDMA and its experiments.
Eur. Trans. Telecommun.
Hiroyuki Atarashi, Noriyuki Maeda, Yoshihisa Kishiyama, Mamoru Sawahashi
2004 B conf
Effect of time diversity in hybrid ARQ considering space and path diversity for VSF-OFCDM downlink broadband wireless access.
PIMRC
Nobuhiko Miki, Hiroyuki Atarashi, Mamoru Sawahashi
2004 B conf
Experiments on fast sector selection with entire-bandwidth assignment in forward link for OFCDM broadband packet wireless access.
PIMRC
Akihito Morimoto, Sadayuki Abeta, Mamoru Sawahashi
2004 — conf
Experiments on three-step fast cell search algorithm employing common pilot channel for OFCDM broadband packet wireless access in forward link.
VTC Fall (2)
Motohiro Tanno, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi
2004 B conf
Field experiments on adaptive antenna array-beam forming with simultaneous path timing and its DOA estimations employing directive-beam reception for broadband CDMA packet access in reverse link.
PIMRC
Takashi Kataoka, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2004 B conf
Field experiments on low-rate turbo coding and soft-decision decoding for broadband packet DS-CDMA wireless access in reverse link.
PIMRC
Shingo Suwa, Nobuhiko Miki, Motohiro Tanno, Kenichi Higuchi, Mamoru Sawahashi
2004 — conf
Investigations on packet error rate of variable spreading and chip repetition factors (VSCRF)-CDMA wireless access in reverse link multi-cell environment.
VTC Fall (2)
Yoshikazu Goto, Teruo Kawamura, Hiroyuki Atarashi, Mamoru Sawahashi
2004 B conf
Likelihood function for QRM-MLD suitable for soft-decision turbo decoding and its performance for OFCDM MIMO multiplexing in multipath fading channel.
PIMRC
Kenichi Higuchi, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi, Takumi Ito, Yoshikazu Kakura, Akihisa Ushirokawa, Hiroyuki Seki
2004 B conf
QRM-MLD combined with MMSE-based multipath interference canceller for MIMO multiplexing in broadband DS-CDMA.
PIMRC
Noriyuki Maeda, Kenichi Higuchi, Junichiro Kawamoto, Mamoru Sawahashi, Masayuki Kimata, Shousei Yoshida
2003 J jnl
Efficient Random Access Channel Transmission Method Using Packet Retransmission According to QoS.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yousuke Iizuka, Motohiro Tanno, Mamoru Sawahashi
2003 J jnl
Experimental Evaluation of Coherent Adaptive Antenna Array Diversity Receiver Employing Optical Fiber Interface in IF Stage.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Taisuke Ihara, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2003 J jnl
Experimental Evaluations on Throughput Performance of Adaptive Modulation and Channel Coding and Hybrid ARQ in HSDPA.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Takahiro Asai, Kenichi Higuchi, Mamoru Sawahashi
2003 B conf
Experimental evaluation of throughput performance in broadband packet wireless access based on VSF-OFCDM and VSF-CDMA.
PIMRC
Noriyuki Maeda, Yoshihisa Kishiyama, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi
2003 B conf
Experimental evaluation on effect of hybrid ARQ with packet combining in forward link for VSF-OFCDM broadband wireless access.
PIMRC
Nobuhiko Miki, Hiroyuki Atarashi, Kenichi Higuchi, Sadayuki Abeta, Mamoru Sawahashi
2003 B conf
Fast packet scheduling algorithm based on instantaneous SIR with constraint condition assuring minimum throughput in forward link.
WCNC
Yoshiaki Ofuji, Sadayuki Abeta, Mamoru Sawahashi
2003 J jnl
Radio Link Capacity Comparison between MC/DS-CDMA and MC-CDMA in Reverse Link Broadband Wireless Access.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shingo Suwa, Hiroyuki Atarashi, Mamoru Sawahashi
2003 B conf
Variable spreading and chip repetition factors (VSCRF)-CDMA in reverse link for broadband wireless access.
PIMRC
Yoshikazu Goto, Teruo Kawamura, Hiroyuki Atarashi, Mamoru Sawahashi
2002 J jnl
Adaptive antenna array transmit diversity in FDD forwad link for W-CDMA and broadband packet wireless access.
IEEE Wirel. Commun.
Hidekazu Taoka, Shinya Tanaka, Taisuke Ihara, Mamoru Sawahashi
2002 — conf
Adaptive radio parameter control considering QoS for forward link OFCDM wireless access.
VTC Spring
Atsushi Harada, Sadayulu Abeta, Mamoru Sawahashi
2002 B conf
Broadband packet wireless access based on VSF-OFCDM and MC/DS-CDMA.
PIMRC
Hiroyuki Atarashi, Noriyuki Maeda, Sadayuki Abeta, Mamoru Sawahashi
2002 — conf
Comparison between multipath interference canceller and chip equalizer in HSDPA in multipath channel.
VTC Spring
Teruo Kawamura, Kenichi Higuchi, Yoshihisa Kishiyama, Mamoru Sawahashi
2002 J jnl
Comparison of Hybrid ARQ Packet Combining Algorithm in High Speed Downlink Packet Access in a Multipath Fading Channel.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Nobuhiko Miki, Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi
2002 B conf
Comparison of packet scheduling algorithms focusing on user throughput in high speed downlink packet access.
PIMRC
Yoshiaki Ofuji, Akihito Morimoto, Sadayuki Abeta, Mamoru Sawahashi
2002 J jnl
Evaluation of Optimum Adaptive Antenna Array Beam Forming Configuration Considering Diversity Effect in W-CDMA Forward Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Satoru Fukumoto, Taisuke Ihara, Mamoru Sawahashi, Iwao Sasase
2002 B conf
Evaluation of throughput employing hybrid ARQ packet combining in forward link OFCDM broadband wireless access.
PIMRC
Nobuhiko Miki, Sadayuki Abeta, Mamoru Sawahashi
2002 J jnl
Experimental Evaluation of Three-Step Cell Search Method in W-CDMA Mobile Communications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kenichi Higuchi, Yukiko Hanada, Mamoru Sawahashi, Fumiyuki Adachi
2002 B conf
Experimental evaluation of coherent adaptive antenna array diversity receiver employing optical fiber interface in IF stage.
PIMRC
Taisuke Ihara, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi
2002 J jnl
Experiments on Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Harada, Shinya Tanaka, Mamoru Sawahashi, Fumiyuki Adachi
2002 J jnl
Experiments on pilot symbol-assisted coherent multistage interference canceller for DS-CDMA mobile radio.
IEEE J. Sel. Areas Commun.
Mamoru Sawahashi, Kenichi Higuchi, Hidehiro Andoh, Fumiyuki Adachi
2002 J jnl
Foreword.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Mamoru Sawahashi, Jae Hong Lee
2002 J jnl
MCI cancellation for multicode wideband CDMA systems.
IEEE J. Sel. Areas Commun.
Jun Chen, Jiangzhou Wang, Mamoru Sawahashi
2002 J jnl
Multipath Interference Canceller for Orthogonal Code-Multiplexed Channels and Its Performance in W-CDMA Forward Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akhmad Unggul Priantoro, Heiichi Yamamoto, Kenichi Higuchi, Mamoru Sawahashi
2002 J jnl
Multipath interference canceller for high-speed packet transmission with adaptive modulation and coding scheme in W-CDMA forward link.
IEEE J. Sel. Areas Commun.
Kenichi Higuchi, Akihiro Fujiwara, Mamoru Sawahashi
2002 J jnl
Optimum Bandwidth per Sub-Carrier of Multicarrier/DS-CDMA for Broadband Packet Wireless Access in Reverse Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shingo Suwa, Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi
2002 B conf
Optimum bandwidth per sub-carrier of multicarrier/DS-CDMA for broadband packet wireless access in reverse link.
PIMRC
Shingo Suwa, Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi
2002 B conf
Performance of coherent adaptive antenna array beamforming combined with MRC diversity techniques in W-CDMA reverse link.
PIMRC
Taisuke Ihara, Shinya Tanaka, Mamoru Sawahashi
2002 — conf
Performance of forward link broadband OFCDM packet wireless access using MMSE combining scheme based on SIR estimation.
VTC Spring
Noriyuki Maeda, Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi
2002 J jnl
Pilot Channel Assisted MMSE Combining in Forward Link for Broadband OFCDM Packet Wireless Access.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Noriyuki Maeda, Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi
2002 J jnl
SIR Measurement with Data Channel Transmission Gap Using Multipath Interference Canceller for High-Speed Packet Transmission in W-CDMA Forward Link.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Akihiro Fujiwara, Kenichi Higuchi, Mamoru Sawahashi
2002 B conf
Three-step cell search algorithm for broadband multi-carrier CDMA packet wireless access.
PIMRC
Yukiko Hanada, Kenichi Higuchi, Mamoru Sawahashi
2002 J jnl
Wideband wireless access technologies to broadband internet [Guest Editorial].
IEEE Commun. Mag.
Mohsen Guizani, Willie W. Lu, Paul Meche, Mamoru Sawahashi
2001 — conf
A multi-stage MCI cancellation receiver for multicode CDMA systems.
VTC Fall
Jun Chen, Jiangzhou Wang, Mamoru Sawahashi
2001 J jnl
Improvements in W-CDMA: principles and experimental results.
Ann. des Télécommunications
Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, Fumiyuki Adachi
2001 — conf
Multipath interference canceller using soft-decision replica combined with hybrid ARQ in W-CDMA forward link.
VTC Fall
Nobuhiko Miki, Sadayuki Abeta, Hiroyuki Atarashi, Mamoru Sawahashi
2001 — conf
Parallel-type coherent multistage interference canceller with multiple-antenna reception in DS-CDMA reverse link.
VTC Fall
Yoshihisa Kishiyama, Taisuke Ihara, Kenichi Higuchi, Mamoru Sawahashi
2001 — conf
Site independent diversity transmit power control for inter-cell site diversity in W-CDMA forward link.
VTC Fall
Akihito Morimoto, Kenichi Higuchi, Mamoru Sawahashi
2000 J jnl
Enhanced wireless access technologies and experiments for W-CDMA communications.
IEEE Wirel. Commun.
Mamoru Sawahashi, Kenichi Higuchi, Shinya Tanaka, Fumiyuki Adachi
2000 J jnl
Experimental evaluation of combined effect of coherent RAKE combining and SIR-based fast transmit power control for reverse link of DS-CDMA mobile radio.
IEEE J. Sel. Areas Commun.
Kenichi Higuchi, Hidehiro Andoh, Koichi Okawa, Mamoru Sawahashi, Fumiyuki Adachi
2000 J jnl
Experiments on coherent adaptive antenna array diversity for wideband DS-CDMA mobile radio.
IEEE J. Sel. Areas Commun.
Shinya Tanaka, Atsushi Harada, Mamoru Sawahashi, Fumiyuki Adachi
2000 B conf
Parallel-type coherent multi-stage interference canceller with iterative channel estimation using both pilot and decision-feedback data symbols for W-CDMA mobile radio.
PIMRC
Koichi Okawa, Kenichi Higuchi, Mamoru Sawahashi
1998 B conf
Experiments on coherent multistage interference canceller for DS-CDMA mobile radio.
PIMRC
Mamoru Sawahashi, Hidehiro Andoh, Kenichi Higuchi, Fumiyuki Adachi
1998 J jnl
Wideband DS-CDMA for next-generation mobile communications systems.
IEEE Commun. Mag.
Fumiyuki Adachi, Mamoru Sawahashi, Hirohito Suda
1997 B conf
Channel estimation using time multiplexed pilot symbols for coherent RAKE combining for DS-CDMA mobile radio.
PIMRC
Hidehiro Andoh, Mamoru Sawahashi, Fumiyuki Adachi
1996 J jnl
Decision feedback differential detection of differentially encoded 16APSK signals.
IEEE Trans. Commun.
Fumiyuki Adachi, Mamoru Sawahashi