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The Effect of Beam Misalignment in Data Center Environment at 285GHz Band
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- Authors
- Jinhyung Oh, Jong Ho Kim, Jang Seok Choi, Jae Ho Seok
- Issue Date
- 2024-03
- Citation
- European Conference on Antennas and Propagation (EuCAP) 2024, pp.1415-1419
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we investigate changes in received power intensity and R.M.S. delay spread due to antenna beam width misalignment when using a terahertz band directional antenna in an inter-rack communication environment within a data center. Because the terahertz band has a relatively short radio distance due to the frequency characteristics, directional antennas are expected to be mainly utilized. However, when using a directional antenna with a narrow antenna beamwidth, a situation where the beamwidths of the transmitting antenna and the receiving antenna do not overlap may occur, resulting in antenna beamwidth misalignment. In particular, in an interrack communication environment within a data center, we assume that the transmitting and receiving antennas are horizontally or vertically misaligned with the antenna beam widths, and we confirm the resulting effect in propagation characteristics.