5 papers
Proof-of-Concept of Uncompressed 4K Video Transmission from Drone through mmWave
Yoshitaka Takaku, Yohei Kaieda, Tao Yu +1
Drones are attracting increasing attention in varieties of research fields because of their flexibility and are expected to be applied to a wide range of potential applications, am…
A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions
Maki Arai, Kei Sakaguchi, Kiyomichi Araki
This paper proposes optimal beam patterns of analog beamforming for SU (Single User) massive MIMO (Multi-Input Multi-Output) transmission systems. For hybrid beamforming in SU mass…
Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion
Maki Arai, Masashi Iwabuchi, Kei Sakaguchi +1
This paper proposes a new methodology to design optimal antennas for MIMO (Multi-Input Multi-Output) communication systems by using spherical mode expansion. Given spatial channel…
Millimeter-wave Wireless LAN and its Extension toward 5G Heterogeneous Networks
Kei Sakaguchi, Ehab Mahmoud Mohamed, Hideyuki Kusano +9
Millimeter-wave (mmw) frequency bands, especially 60 GHz unlicensed band, are considered as a promising solution for gigabit short range wireless communication systems. IEEE standa…
Millimeter Wave Beamforming Based on WiFi Fingerprinting in Indoor Environment
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
Millimeter Wave (mm-w), especially the 60 GHz band, has been receiving much attention as a key enabler for the 5G cellular networks. Beamforming (BF) is tremendously used with mm-w…