Koichi Tsunekawa

According to our database, Koichi Tsunekawa authored at least 12 papers between 1987 and 2016.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2016

A Novel Resonator Design for Q Factor Improvement Using Tightly-Coupled Parallel Coils in Coupled Magnetic Resonance Wireless Power Transfer.

Cheng Yang, Koichi Tsunekawa

IEICE Trans. Commun., 2016

2015

Analysis and Performance Improvement of Independent Electric Coupled Resonance WPT System with Impedance Transformer.

Cheng Yang, Koichi Tsunekawa

IEICE Trans. Commun., 2015

2006

Novel Downlink Beamforming Method Using Selective STBC with Common Eigenvectors for MIMO-OFDM Systems.

Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Koichi Tsunekawa

IEICE Trans. Commun., 2006

Experimental Evaluation of Eigenvector Beamforming Method with 8X4 MIMO-OFDM Testbed.

Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Koichi Tsunekawa

Proceedings of the 63rd IEEE Vehicular Technology Conference, 2006

Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment.

Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Koichi Tsunekawa

Proceedings of the IEEE 17th International Symposium on Personal, 2006

2005

Channel Capacity of TDD-OFDM-MIMO for Multiple Access Points in a Wireless Single-Frequency-Network.

Yasushi Takatori, Frank H. P. Fitzek, Koichi Tsunekawa, Ramjee Prasad

Wirel. Pers. Commun., 2005

Frequency Correlation Characteristics Due to Antenna Configurations in Broadband MIMO Transmission.

Kentaro Nishimori, Nobuhiko Tachikawa, Yasushi Takatori, Riichi Kudo, Koichi Tsunekawa

IEICE Trans. Commun., 2005

Series-Fed Beam-Scanning Antenna Employing Multi-Stage Configured Microstrip Antennas with Tunable Reactance Devices.

Naoki Honma, Tomohiro Seki, Kenjiro Nishikawa, Koichi Tsunekawa, Kunio Sawaya

IEICE Trans. Commun., 2005

2004

Novel MIMO-SDMA configuration adopting directivity and polarization control.

Kentaro Nishimori, Yasushi Takatori, Riichi Kudo, Nobuhiko Tachikawa, Koichi Tsunekawa

Proceedings of the IEEE 15th International Symposium on Personal, 2004

2002

Multipath propagation model of spatio-temporal dispersion observed at base station in urban areas.

Shinichi Ichitsubo, Koichi Tsunekawa, Yoshio Ebine

IEEE J. Sel. Areas Commun., 2002

2000

Advanced LOS path-loss model in microcellular mobile communications.

Yasuhiro Oda, Koichi Tsunekawa, Masaharu Hata

IEEE Trans. Veh. Technol., 2000

1987

Performance Analysis of a Built-In Planar Inverted F Antenna for 800 MHz Band Portable Radio Units.

Tokio Taga, Koichi Tsunekawa

IEEE J. Sel. Areas Commun., 1987