MIMO Hybrid Beamforming: Performance Assessment in Macrocells and HetNets

MIMO Hybrid Beamforming: Performance Assessment in Macrocells and HetNets

Mostafa Hefnawi, Jamal Zbitou
ISBN13: 9781668459553|ISBN10: 1668459558|EISBN13: 9781668459560
DOI: 10.4018/978-1-6684-5955-3.ch001
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MLA

Hefnawi, Mostafa, and Jamal Zbitou. "MIMO Hybrid Beamforming: Performance Assessment in Macrocells and HetNets." Handbook of Research on Emerging Designs and Applications for Microwave and Millimeter Wave Circuits, edited by Jamal Zbitou, et al., IGI Global, 2023, pp. 1-28. https://doi.org/10.4018/978-1-6684-5955-3.ch001

APA

Hefnawi, M. & Zbitou, J. (2023). MIMO Hybrid Beamforming: Performance Assessment in Macrocells and HetNets. In J. Zbitou, M. Hefnawi, F. Aytouna, & A. El Oualkadi (Eds.), Handbook of Research on Emerging Designs and Applications for Microwave and Millimeter Wave Circuits (pp. 1-28). IGI Global. https://doi.org/10.4018/978-1-6684-5955-3.ch001

Chicago

Hefnawi, Mostafa, and Jamal Zbitou. "MIMO Hybrid Beamforming: Performance Assessment in Macrocells and HetNets." In Handbook of Research on Emerging Designs and Applications for Microwave and Millimeter Wave Circuits, edited by Jamal Zbitou, et al., 1-28. Hershey, PA: IGI Global, 2023. https://doi.org/10.4018/978-1-6684-5955-3.ch001

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Abstract

In mmWave massive MIMO, the required number of radio frequency (RF) chains becomes impractical due to the expensive and power-hungry components such as variable gain power amplifiers, filters, mixers, and analog-to-digital/digital-to-analog converters (ADCs/DACs). A promising solution to this problem is reducing the number of radiofrequency (RF) chains by partitioning beamforming operations between the digital and RF domains, known as hybrid beamforming (HBF), while still achieving the near-optimal performance of the fully digital beamforming systems with much-reduced hardware complexity. This chapter reviews different HBF techniques for massive MIMO in 5G and radar systems. The basic HBF structures and their algorithm design is presented in the context of a point-to-point MIMO hybrid beamforming system. Then, some recently proposed HBF techniques for 5G and beyond networks are investigated, followed by a discussion about the benefit of HBF in MIMO radar systems.

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