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Hybrid MMSE precoding for Millimeter-Wave (mmW) Multi-user Massive MIMO systems

Raisa, Farah and Abdullah, Khaizuran and Ismail, Ahmad Fadzil and Reza, Asif and Mohd Ramli, Huda Adibah and Hashim, Wahidah (2017) Hybrid MMSE precoding for Millimeter-Wave (mmW) Multi-user Massive MIMO systems. International Journal of Future Generation Communication and Networking, 10 (5). pp. 29-38. ISSN 2233-7857

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Millimeter-wave (mmWave) cellular systems is considered to be the key enabling technology for the future 5G wireless communication systems because of its high data rates, low latency, high system capacity, and huge available bandwidths. However, in order to meet the increasing demand, mmWave communications need to overcome certain challenges including high path loss and interference which can be reduced by applying large antenna arrays to achieve high beamforming gains. Although multi-user beamforming can improve spectral efficiencies, full digital beamforming strategies used in the conventional microwave systems increase the hardware cost and consumes high power for large number of antennas in mmW systems. In this paper, a multi-user hybrid precoding structure is proposed for mmWave massive-MIMO channels utilizing MMSE precoders at the BS with perfect channel knowledge. Simulations show that the sum-rate obtained by the proposed hybrid precoding scheme is nearly similar to the single-user rate and also performs better compared to other hybrid precoding approaches.

Item Type: Article (Journal)
Additional Information: 3407/62509
Uncontrolled Keywords: Millimeter-wave; mmWave; Hybrid Precoding; MMSE
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunication. Including telegraphy, radio, radar, television
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: Dr Khaizuran Abdullah
Date Deposited: 20 Mar 2018 16:48
Last Modified: 08 Apr 2018 00:25
URI: http://irep.iium.edu.my/id/eprint/62509

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