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Mimo for millimeter-wave wireless communications: beamforming, spatial multiplexing, or both?
Abstract
The use of mmWave frequencies for wireless communications offers channel bandwidths far greater than previously available, while enabling dozens or even hundreds of antenna elements to be used at the user equipment, base stations, and access points. To date, MIMO techniques, such as spatial multiplexing, beamforming, and diversity, have been widely deployed in lower-frequency systems such as IEEE 802.11n/ac (wireless local area networks) and 3GPP LTE 4G cellphone standards. Given the tiny wavelengths associated with mmWave, coupled with differences in the propagation and antennas used, it is unclear how well spatial multiplexing with multiple streams will be suited to future mmWave mobile communications. This tutorial explores the fundamental issues involved in selecting the best communications approaches for mmWave frequencies, and provides insights, challenges, and appropriate uses of each MIMO technique based on early knowledge of the mmWave propagation environment.
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Cited by
Millimeter Wave Communications for Future Mobile Networks
Xiao, M., Mumtaz, S., Huang, Y., Dai, L., Li, Y., Matthaiou, M., Karagiannidis, G. K., Bjornson, E., Yang, K., I, C.-L., et al. (2017) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2017.2719924 · Cited by 1,122
Millimeter wave communication: a comprehensive survey
Wang, X., Kong, L., Kong, F., Qiu, F., Xia, M., Arnon, S., & Chen, G. (2018) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2018.2844322 · Cited by 656
A Survey of 5G Channel Measurements and Models
Wang, C.-X., Bian, J., Sun, J., Zhang, W., & Zhang, M. (2018) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2018.2862141 · Cited by 594
Enabling UAV cellular with millimeter-wave communication: potentials and approaches
Xiao, Z., Xia, P., & Xia, X.-G. (2016) · IEEE Communications Magazine · doi:10.1109/mcom.2016.7470937 · Cited by 432
Millimetre wave frequency band as a candidate spectrum for 5G network architecture: A survey
Al-Falahy, N., & Alani, O. Y. K. (2019) · Physical Communication · doi:10.1016/j.phycom.2018.11.003 · Cited by 138
Metadata
- Authors
- Sun, S., Rappaport, T., Heath, R., Nix, A., & Rangan, S.
- Venue
- IEEE Communications Magazine
- Published
- 2014-12
- Volume
- 52
- Issue
- 12
- Pages
- 110-121
- ISSN
- 0163-6804 (ISSN-L)
- OpenAlex
- W2103851250
- Cited by
- 638
- References
- 0
- FWCI
- 36.79
- Type
- journal article
- Language
- en
- Open access
- closed
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