International Journal of Wireless and Microwave Technologies (IJWMT)
IJWMT Vol. 15, No. 1, 8 Feb. 2025
Cover page and Table of Contents: PDF (size: 862KB)
Performance Analysis of Optimal and Hybrid Beamforming Techniques and Spectral Efficiency Enhancement for 5G Millimeter-Wave Systems
PDF (862KB), PP.51-65
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Author(s)
Padmasree Ramineni
1,*
Pranaya Pasula
1
Tejasvey Panchareddy
1
Index Terms
5G Networks, Hybrid Beamforming, Millimeter-Wave Communication, Optimal Weights, Radio Frequency Chains, Spectral Efficiency
Abstract
Millimeter-wave (mm-wave) communication stands as a vital technology for future wireless networks, necessitating efficient beamforming techniques to mitigate significant path loss and harness the extensive mm-wave spectrum. Traditional fully digital beamforming methods are often deemed unfeasible due to the substantial costs and energy requirements, which stem from the need for individual radio frequency (RF) chains for each antenna element particularly in Massive MIMO systems. Hybrid beamforming emerges as a more economical solution, reducing both hardware expenses and energy consumption by utilizing a limited number of RF chains. This paper offers an in-depth evaluation of hybrid beamforming in 5G and beyond mm-wave systems, proposing a new classification framework for various hardware configurations. The research employs a practical approach to compare different strategies, focusing on two main factors: the beam patterns produced with optimal and hybrid weights, and the resulting spectral efficiency, which is a key performance metric. The findings indicate that the beam patterns generated with both optimal and hybrid weights display comparable characteristics, especially for dominant beams. Additionally, the study shows that increasing the number of data streams leads to a significant boost in spectral efficiency, an essential element for enhancing 5G network performance. The systematic comparisons delve into the interactions and trade-offs between these design aspects, highlighting promising candidates for hybrid beamforming in the wireless communication systems of the future.
Cite This Paper
Padmasree Ramineni, Pranaya Pasula, Tejasvey Panchareddy, "Performance Analysis of Optimal and Hybrid Beamforming Techniques and Spectral Efficiency Enhancement for 5G Millimeter-Wave Systems", International Journal of Wireless and Microwave Technologies(IJWMT), Vol.15, No.1, pp. 51-65, 2025. DOI:10.5815/ijwmt.2025.01.04
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