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Advanced Hybrid Beamforming Design for MIMO Systems

Abstract: 

One of the fundamental problems for hybrid beamformer design in MIMO systems is that, in Singular-Value-Decomposition (SVD) based beamforming, the analog beamformer is limited to constant modulus. In order to solve this issue, an algorithm is proposed in this paper. Specifically, the parallel data streams are expressed mathematically, and then the math expression of the analog beamformer is achieved through maximizing the power of desired data streams while minimizing the power of interference. Then, the digital part of the beamformer is calculated based on a channel equivalent process, i.e., considering the phase response vector of the derived analog beamformers as part of the channel observed by the digital beamformers. Simulations are performed on the proposed algorithm and compared to a recent state-of-the-art technique. The results show that the proposed one outperforms in terms of sphere of application (i.e., different antenna array sizes and channel sparsities).

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Paper Details

Authors:
Mehdi M. Molu
Submitted On:
28 June 2018 - 10:57am
Short Link:
Type:
Poster
Event:
Document Year:
2018
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Advanced Hybrid Beamforming Design for MIMO Systems.pdf

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[1] Mehdi M. Molu, "Advanced Hybrid Beamforming Design for MIMO Systems", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3337. Accessed: Sep. 24, 2018.
@article{3337-18,
url = {http://sigport.org/3337},
author = {Mehdi M. Molu },
publisher = {IEEE SigPort},
title = {Advanced Hybrid Beamforming Design for MIMO Systems},
year = {2018} }
TY - EJOUR
T1 - Advanced Hybrid Beamforming Design for MIMO Systems
AU - Mehdi M. Molu
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3337
ER -
Mehdi M. Molu. (2018). Advanced Hybrid Beamforming Design for MIMO Systems. IEEE SigPort. http://sigport.org/3337
Mehdi M. Molu, 2018. Advanced Hybrid Beamforming Design for MIMO Systems. Available at: http://sigport.org/3337.
Mehdi M. Molu. (2018). "Advanced Hybrid Beamforming Design for MIMO Systems." Web.
1. Mehdi M. Molu. Advanced Hybrid Beamforming Design for MIMO Systems [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3337