Jae-Weon Cho

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.

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

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.

TL;DR: In this paper, an apparatus and method for transmitting a signal in a communication system using a low density parity check (LDPC) code is provided for transmitting an information word at a coding rate, where an additional pattern is generated when the HARQ scheme to be applied to the LDPC codeword is a partial chase combining (CC) scheme.

TL;DR: In this article, an apparatus and method for allocating downlink/uplink subchannels for a soft handover in a broadband wireless access communication system is presented, wherein the method includes the steps of configuring FUSC sub-channels based on a predetermined FUsC subchannel configuration scheme by using an equal seed value in all cells.