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Hybrid Precoders and Combiners for mmWave MIMO Systems with Per-Antenna Power Constraints

López-Valcarce, Roberto, González-Prelcic, Nuria, Rusu, Cristian and Heath, Robert W. (2016) Hybrid Precoders and Combiners for mmWave MIMO Systems with Per-Antenna Power Constraints. In: 2016 IEEE Global Communications Conference (GLOBECOM). IEEE, Washington, DC. ISBN 9781509013289

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This paper considers the design of hybrid precoders and combiners for mmWave MIMO systems with per-antenna power constraints and the additional limitations introduced by the phase-shifting network in the analog processing stage. Previous hybrid designs were obtained using a total power constraint, but in practical implementations per-antenna constraints are more realistic, specially at mmWave, given the large number of power amplifiers used in the transmit array. Assuming perfect channel knowledge, we obtain first an approximation to the all-digital solution for the precoder and the combiner given the per-antenna constraints. Then, we develop a new method for the design of the hybrid precoder and combiner which attempts to match such all- digital approximation. Simulation results show the effectiveness of the proposed approach, which performs close to the all-digital solution.

Item Type: Book Section
Subjects: Q Science > QA Mathematics > Electronic computers. Computer science
T Technology > T Technology (General) > Information Technology > Electronic computers. Computer science
Divisions: School of Computing > Staff Research and Publications
Depositing User: Caoimhe Ni Mhaicin
Date Deposited: 02 Jul 2018 14:04
Last Modified: 02 Jul 2018 14:04

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