Research on Four Water-Filling Power Distribution Schemes in MU-MIMO System

Yong Bo Zhang; Jian Xin Li; Wei Min Wen

doi:10.4028/www.scientific.net/AMM.721.635

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 721Research on Four Water-Filling Power Distribution...

Research on Four Water-Filling Power Distribution Schemes in MU-MIMO System

Abstract:

It is a key issue to distribute the total transmission power among different data streams leading to larger channel capacity or lower bit error rate at the base station in MU-MIMO system. Based on MU-MIMO system model applying block diagonalization precoding (BDP) this paper presented four kinds of water-filling power distribution schemes which had been simulated for random scheduling and multiuser scheduling. The simulation results showed that respective water-filling power distribution owned maximum channel capacity and united water-filling power distribution resulted in the lowest bit error rate (BER).

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Periodical:

Applied Mechanics and Materials (Volume 721)

Pages:

635-638

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.721.635

Citation:

Cite this paper

Online since:

December 2014

Authors:

Yong Bo Zhang*, Jian Xin Li, Wei Min Wen

Keywords:

Block Diagonalization Precoding, Multiuser Scheduling, Mu-MIMO, Random Scheduling, Water-Filling Power Distribution

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* - Corresponding Author

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