#### Filter Results:

- Full text PDF available (0)

#### Publication Year

1998

2018

- This year (1)
- Last 5 years (10)
- Last 10 years (18)

#### Co-author

#### Journals and Conferences

Learn More

- Kyoichi Iigusa, K Li, Kazuki Sato, H. Harada
- IEEE Transactions on Antennas and Propagation
- 2012

We propose a millimeter-wave antenna to serve as an element antenna for a multi-sector switched-beam antenna, which can be fed by a post-wall waveguide. Several tapered slot antennas are connected toâ€¦ (More)

- Terufat Sawaya, Kyoichi Iigusa, M. Taromaru, T. Ohira
- First IEEE Consumer Communications and Networkingâ€¦
- 2004

This paper reports the first experiments on binary reactance diversity. A prototype of a 3-element 5-GHz band ESPAR (electronically steerable parasitic array radiator) antenna is designed andâ€¦ (More)

- Kyoichi Iigusa, S. Yamamoto, M. Tanaka, Tasuku Teshirogi
- IEEE Antennas and Propagation Societyâ€¦
- 1998

In mobile communication, omnidirectional directivity and circular polarization are convenient properties because when they are used, acquisition and track operations for direction and polarizationâ€¦ (More)

- Kyoichi Iigusa, Terufat Sawaya, M. Taromaru, T. Ohira, Bokuji Komiyama
- IEEE Transactions on Antennas and Propagation
- 2006

We examine that an inductively loaded dipole becomes electrical invisible showing that the influence on a nearby antenna's input impedance and on its radiation pattern (scattering) are minimized. Weâ€¦ (More)

- Kyoichi Iigusa, T. Ohira
- First IEEE Consumer Communications and Networkingâ€¦
- 2004

A new mathematical model of electronically steerable parasitic array radiator (ESPAR) antennas is proposed. The ESPAR antenna is a kind of adaptive array antenna expected to spread as a terminalâ€¦ (More)

- Kyoichi Iigusa, Jing Gao, Keren Li, Katsuyoshi Sato, Hiroshi Harada
- 2009 Asia Pacific Microwave Conference
- 2009

We propose a millimeter-wave antenna that can be assembled using several printed boards. A post-wall horn antenna structure and tapered slots are responsible for the narrowing of the radiationâ€¦ (More)

- Kyoichi Iigusa, Fumihide Kojima, Hiroyuki Yano
- 2015 IEEE International Symposium on Antennas andâ€¦
- 2015

A bent monopole antenna whose feeding side is closely located to a small ground plate is proposed. It is shown that a wideband impedance matching is attainable in -10 dB fractional bandwidth of aboutâ€¦ (More)

- Kyoichi Iigusa, Hiroshi Harada
- 2011 IEEE International Symposium on Antennas andâ€¦
- 2011

To evaluate radiation loss and conductor loss which are the cause of deterioration in the wireless electric power transmission, a calculation method of a transmission electric power, a radiatedâ€¦ (More)

- Kyoichi Iigusa, H. Harada, S. Kato, Jiro Hirokawa, M. Ando
- 2007 IEEE Antennas and Propagation Societyâ€¦
- 2007

The vector effective length of a half wavelength-dipole becomes almost zero when a reactance of about 500 ohm is loaded to its center. Since the current integral is almost zero when the vectorâ€¦ (More)

- Kyoichi Iigusa, Hiroshi Harada
- IEEE Transactions on Antennas and Propagation
- 2014

We derive the approximate relations of impedance Z of dipoles of approximately half a wavelength or shorter in length by introducing α as the ratio of the amplitude of the current that flowsâ€¦ (More)