Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Sang-Hyun Chang"'
Autor:
Mandar N. Kulkarni, Pengda Huang, Jianhua Mo, Ahmad AlAmmouri, Won-Joon Choi, Jianzhong Charlie Zhang, Sang-Hyun Chang, Jeongheum Lee, Boon Loong Ng
Publikováno v:
IEEE Access, Vol 7, Pp 98387-98404 (2019)
A beam codebook of 5G millimeter wave (mmWave) for data communication consists of multiple high-peak-gain beams to compensate the high pathloss at the mmWave bands. These beams also have to point to different angular directions, such that by performi
Autor:
Ohyun Jo, Wonbin Hong, Sung Tae Choi, ChangYeul Kweon, Sang-Hyun Chang, Kyungwhoon Cheun, Ji-sung Oh
Publikováno v:
IEEE Communications Magazine. 52:30-38
Proliferation of all forms of smart devices has driven the demand for high-data-rate Wi-Fi in recent years. Utilizing wide bandwidth in high frequency is the most efficient way of guaranteeing the explosive data demands. In spite of the notable advan
Publikováno v:
The Journal of Korean Institute of Communications and Information Sciences. 36:28-34
In this paper, we proposed the architecture of the Hybrid Quadrature Polar transmitter which has the wideband characteristics available for the SRD(Short Range Device). First, we developed the simulation environment and carried out performance degrad
Publikováno v:
2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting.
In this paper, we investigate the phase shifter quantization effect on the performance of mmWave antenna arrays for future 5G applications. Given a 2-bit phase shifter, 8-element antenna array configuration, the phase-shifter degrades the antenna arr
Publikováno v:
Journal of Aerospace Engineering. 19:103-120
The newly constructed formulation of an element-based resultant-stress nine-node composite shell element is presented for the solution of free vibration and large deflection problems of isotropic and composite laminates. In this paper, the effectiven
Autor:
Robert A. Scholtz, Sang Hyun Chang
Publikováno v:
2008 IEEE Antennas and Propagation Society International Symposium.
In this paper, UWB polarization measurements with a multipath decomposition process is studied with an array of propagation measurements using three receiving antenna orientations. In order to estimate each of the decomposed impinging electric field
Publikováno v:
2009 IEEE Radar Conference; 2009, p1-6, 6p
Autor:
Sang Hyun Chang, Scholtz, R.A.
Publikováno v:
2008 IEEE Antennas & Propagation Society International Symposium; 2008, p1-4, 4p