Koichi Tsunekawa

12 papers B 2Journal 9Unranked 1
YearRankTypeTitle / Venue / Authors
2016 J jnl
A Novel Resonator Design for Q Factor Improvement Using Tightly-Coupled Parallel Coils in Coupled Magnetic Resonance Wireless Power Transfer.
IEICE Trans. Commun.
Cheng Yang, Koichi Tsunekawa
2015 J jnl
Analysis and Performance Improvement of Independent Electric Coupled Resonance WPT System with Impedance Transformer.
IEICE Trans. Commun.
Cheng Yang, Koichi Tsunekawa
2006 — conf
Experimental Evaluation of Eigenvector Beamforming Method with 8X4 MIMO-OFDM Testbed.
VTC Spring
Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Koichi Tsunekawa
2006 J jnl
Novel Downlink Beamforming Method Using Selective STBC with Common Eigenvectors for MIMO-OFDM Systems.
IEICE Trans. Commun.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Koichi Tsunekawa
2006 B conf
Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment.
PIMRC
Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Koichi Tsunekawa
2005 J jnl
Channel Capacity of TDD-OFDM-MIMO for Multiple Access Points in a Wireless Single-Frequency-Network.
Wirel. Pers. Commun.
Yasushi Takatori, Frank H. P. Fitzek, Koichi Tsunekawa, Ramjee Prasad
2005 J jnl
Frequency Correlation Characteristics Due to Antenna Configurations in Broadband MIMO Transmission.
IEICE Trans. Commun.
Kentaro Nishimori, Nobuhiko Tachikawa, Yasushi Takatori, Riichi Kudo, Koichi Tsunekawa
2005 J jnl
Series-Fed Beam-Scanning Antenna Employing Multi-Stage Configured Microstrip Antennas with Tunable Reactance Devices.
IEICE Trans. Commun.
Naoki Honma, Tomohiro Seki, Kenjiro Nishikawa, Koichi Tsunekawa, Kunio Sawaya
2004 B conf
Novel MIMO-SDMA configuration adopting directivity and polarization control.
PIMRC
Kentaro Nishimori, Yasushi Takatori, Riichi Kudo, Nobuhiko Tachikawa, Koichi Tsunekawa
2002 J jnl
Multipath propagation model of spatio-temporal dispersion observed at base station in urban areas.
IEEE J. Sel. Areas Commun.
Shinichi Ichitsubo, Koichi Tsunekawa, Yoshio Ebine
2000 J jnl
Advanced LOS path-loss model in microcellular mobile communications.
IEEE Trans. Veh. Technol.
Yasuhiro Oda, Koichi Tsunekawa, Masaharu Hata
1987 J jnl
Performance Analysis of a Built-In Planar Inverted F Antenna for 800 MHz Band Portable Radio Units.
IEEE J. Sel. Areas Commun.
Tokio Taga, Koichi Tsunekawa