Changyo Han

Mode- and wavelength-division multiplexed transmission using all-fiber mode multiplexer based on mode selective couplers.

Sun Hyok Chang, Hwan Seok Chung, Roland Ryf, 2015, Optics express.

Linearity improvement of directly-modulated multi-IF-over-fibre LTE-A mobile fronthaul link using shunt diode predistorter

Hwan Seok Chung, Seung-Hyun Cho, Jong Hyun Lee, 2015, 2015 European Conference on Optical Communication (ECOC).

Area reduction of millimeter-wave CMOS amplifier using narrow transmission line

Kenichi Okada, Akira Matsuzawa, Hiroki Asada, 2011, Asia-Pacific Microwave Conference 2011.

[Papers] BumpMarker: a 3D-printed tangible marker for simultaneous tagging, tracking, and weight measurement

Takeshi Naemura, Changyo Han, T. Naemura, 2019, ITE Transactions on Media Technology and Applications.

Using a Dual-Camera Smartphone to Recognize Imperceptible 2D Barcodes Embedded in Videos

S. Fukushima, T. Naemura, Changyo Han, 2022, UIST.

CoVR: Co-located Virtual Reality Experience Sharing for Facilitating Joint Attention via Projected View of HMD Users

Takefumi Hiraki, Shogo Fukushima, Ikuo Kamei, 2020, SIGGRAPH ASIA Emerging Technologies.

TelemetRing: A Batteryless and Wireless Ring-shaped Keyboard using Passive Inductive Telemetry

Yoshihiro Kawahara, Masaaki Fukumoto, Yoshiaki Narusue, 2020, UIST.

Performance Improvement of Multi-IFoF-Based Mobile Fronthaul Using Dispersion-Induced Distortion Mitigation With IF Optimization

Jong Hyun Lee, Hwan Seok Chung, Seung-Hyun Cho, 2016, Journal of Lightwave Technology.

PneuModule: Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces

Ryo Takahashi, Takeshi Naemura, Changyo Han, 2020, CHI.

ForceStamps: Fiducial Markers for Pressure-sensitive Touch Surfaces to Support Rapid Prototyping of Physical Control Interfaces

T. Naemura, Changyo Han, Katsufumi Matsui, 2020, TEI.

3D Printing Firm Inflatables with Internal Tethers

Takeshi Naemura, Changyo Han, Yuchi Yahagi, 2021, CHI Extended Abstracts.

Improvement of the transmission performance in multi-IF-over-fiber mobile fronthaul by using tone-reservation technique.

Jong Hyun Lee, Hwan Seok Chung, Seung-Hyun Cho, 2015, Optics express.

Design of RoF based mobile fronthaul link with multi-IF carrier for LTE/LTE-A signal transmission

Jong Hyun Lee, Hwan Seok Chung, Seung-Hyun Cho, 2014, Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on.