Radio Location Estimation Experiment using Array Antennas for High Altitude Platforms. - Hiroyuki Tsuji; Derek Gray; Mikio Suzuki; Ryu Miura (PIMRC, 2007)

Posthumous Numerical Study of DTV Broadcast Antenna Integration with Prototype Stratospheric Airship Gondola. - Derek Gray; Mamoru Nagatsuka; Mikio Suzuki; Ryu Miura (EURASIP J. Wirel. Commun. Netw., 2008)

Radiolocation System Using Distributed Sensor Array Onboard a High Altitude Aerial Vehicle. - Ryu Miura; Hiroyuki Tsuji; Derek Gray (Wirel. Pers. Commun., 2010)

TE-Multipole DRAs for Installation on Composite Airframes. - Derek Gray (IEICE Trans. Commun., 2013)