J
Ji-Yun Seol
Researcher at Samsung
Publications - 109
Citations - 4705
Ji-Yun Seol is an academic researcher from Samsung. The author has contributed to research in topics: Signal & Beamforming. The author has an hindex of 26, co-authored 108 publications receiving 4413 citations. Previous affiliations of Ji-Yun Seol include Korea University.
Papers
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Journal ArticleDOI
Millimeter-wave beamforming as an enabling technology for 5G cellular communications: theoretical feasibility and prototype results
Won-Il Roh,Ji-Yun Seol,Jeong-Ho Park,Byunghwan Lee,Jae-kon Lee,Yung-soo Kim,Jae-Weon Cho,Kyungwhoon Cheun,Farshid Aryanfar +8 more
TL;DR: This article presents recent results from channel measurement campaigns and the development of advanced algorithms and a prototype, which clearly demonstrate that the mmWave band may indeed be a worthy candidate for next generation (5G) cellular systems.
Patent
Communication method and apparatus using analog and digital hybrid beamforming
TL;DR: In this paper, a communication method and apparatus using analog and digital hybrid beamforming is provided, which includes receiving a first message including a measurement and selection condition for hybrid beamformforming from a base station, measuring channels of a plurality of BS transmission beams, selecting at least one BS transmission beam based on channel measurements, transmitting report information about the selected at least 1 transmission beam to the BS, receiving from the BS a second message, estimating an effective channel matrix for the selected final BS transmission beacon according to the measurement and report condition, determining feedback information for digital beamforming of the
Proceedings ArticleDOI
Tens of Gbps support with mmWave beamforming systems for next generation communications
TL;DR: A novel hybrid beamforming scheme that jointly combines RF beamforming and baseband precoding as a key enabling technique to make efficient use of mmWave channel is proposed.
Proceedings ArticleDOI
Multi-beam transmission diversity with hybrid beamforming for MIMO-OFDM systems
TL;DR: A hybrid beamforming architecture that combines an analog beamforming with array antennas and a digital precoding with multiple RF chains is proposed and a multi-beam transmission diversity scheme for single stream transmission for single user MIMO operation is proposed.
Patent
Method and apparatus for beam allocation in wireless communication system
TL;DR: In this paper, a beam allocation method of a base station (BS) in a wireless communication system is provided, which includes transmitting a reference signal to a Mobile Station (MS) using a plurality of downlink transmit (Tx) beams, receiving information of a plurality selected by the MS in response to the received reference signal, selecting at least one downlink Tx beam from the plurality of candidate downlink tx beams according to a predefined rule, generating control information for burst transmission, transmitting the control information to the MS using the selected at least 1 downlink tx beam,