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Capacity Analysis of MIMO Channel with Line-of-Sight and Reflected Paths for Millimeter-Wave Communication
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- Authors
- Seung Joon Lee, Mun Geon Kyeong, Woo Yong Lee
- Issue Date
- 2010-12
- Citation
- International Conference on Signal Processing and Communication Systems (ICSPCS) 2010, pp.1-5
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- The capacity of a millimeter wave propagation channel with multiple antennas is investigated focusing on the minimum antenna spacing required for taking a full advantage of multi-input multi-output (MIMO) systems. Especially, the effect of reflected paths is studied on the required minimum antenna spacing. A signal following a reflected path is assumed not to experience scattering which accompanies a random phase change. It is presented that MIMO channels with both line-of-sight and reflected paths enable a much smaller antenna spacing than those with only line-of-sight path. The required minimum antenna spacing for the former channels is seen to be an order of the wavelength or sometimes a fraction of the wavelength, while it should be at least a few tens of the wavelength for the latter. ©2010 IEEE.
- KSP Keywords
- Antenna Spacing, Capacity analysis, Line of sight(LOS), MIMO channel, Multi-input multi-output (MIMO) system, Multiple input multiple output(MIMO), Phase change, Propagation Channel, Random phase, millimeter wave(mmWave), millimeter wave communication