Weighted sum rate of multi-cell MIMO downlink channels in the large system limit

Sung Hyun Moon; Hoon Huh; Young Tae Kim; Giuseppe Caire; Inkyu Lee

doi:10.1109/ICC.2010.5502295

Weighted sum rate of multi-cell MIMO downlink channels in the large system limit

Sung Hyun Moon, Hoon Huh, Young Tae Kim, Giuseppe Caire, Inkyu Lee

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

7 Citations (Scopus)

Abstract

The optimization of the weighted ergodic sum rate is considered for the downlink of a cellular networks with multiple cells and multi-antenna base stations. We focus on the large system limit where the number of base station antennas and the number of users per cell go to infinity with a fixed ratio. We consider two extreme cases of full inter-cell cooperation (network MIMO) and no inter-cell cooperation (single-cell multiuser MIMO). Using the large random matrix theory and Lagrangian optimization, we obtain a numerical algorithm that exactly computes the maximum weighted sum rate in this asymptotic regime. Numerical results are presented for a simple case of two interfering cells in a linear arrangement.

Original language	English
Title of host publication	2010 IEEE International Conference on Communications, ICC 2010
DOIs	https://doi.org/10.1109/ICC.2010.5502295
Publication status	Published - 2010
Event	2010 IEEE International Conference on Communications, ICC 2010 - Cape Town, South Africa Duration: 2010 May 23 → 2010 May 27

Publication series

Name	IEEE International Conference on Communications
ISSN (Print)	0536-1486

Other

Other	2010 IEEE International Conference on Communications, ICC 2010
Country/Territory	South Africa
City	Cape Town
Period	10/5/23 → 10/5/27

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

Access to Document

10.1109/ICC.2010.5502295

Cite this

Moon, SH, Huh, H, Kim, YT, Caire, G & Lee, I 2010, Weighted sum rate of multi-cell MIMO downlink channels in the large system limit. in 2010 IEEE International Conference on Communications, ICC 2010., 5502295, IEEE International Conference on Communications, 2010 IEEE International Conference on Communications, ICC 2010, Cape Town, South Africa, 10/5/23. https://doi.org/10.1109/ICC.2010.5502295

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title = "Weighted sum rate of multi-cell MIMO downlink channels in the large system limit",

abstract = "The optimization of the weighted ergodic sum rate is considered for the downlink of a cellular networks with multiple cells and multi-antenna base stations. We focus on the large system limit where the number of base station antennas and the number of users per cell go to infinity with a fixed ratio. We consider two extreme cases of full inter-cell cooperation (network MIMO) and no inter-cell cooperation (single-cell multiuser MIMO). Using the large random matrix theory and Lagrangian optimization, we obtain a numerical algorithm that exactly computes the maximum weighted sum rate in this asymptotic regime. Numerical results are presented for a simple case of two interfering cells in a linear arrangement.",

author = "Moon, {Sung Hyun} and Hoon Huh and Kim, {Young Tae} and Giuseppe Caire and Inkyu Lee",

year = "2010",

doi = "10.1109/ICC.2010.5502295",

language = "English",

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AU - Moon, Sung Hyun

AU - Huh, Hoon

AU - Kim, Young Tae

AU - Caire, Giuseppe

AU - Lee, Inkyu

PY - 2010

Y1 - 2010

N2 - The optimization of the weighted ergodic sum rate is considered for the downlink of a cellular networks with multiple cells and multi-antenna base stations. We focus on the large system limit where the number of base station antennas and the number of users per cell go to infinity with a fixed ratio. We consider two extreme cases of full inter-cell cooperation (network MIMO) and no inter-cell cooperation (single-cell multiuser MIMO). Using the large random matrix theory and Lagrangian optimization, we obtain a numerical algorithm that exactly computes the maximum weighted sum rate in this asymptotic regime. Numerical results are presented for a simple case of two interfering cells in a linear arrangement.

AB - The optimization of the weighted ergodic sum rate is considered for the downlink of a cellular networks with multiple cells and multi-antenna base stations. We focus on the large system limit where the number of base station antennas and the number of users per cell go to infinity with a fixed ratio. We consider two extreme cases of full inter-cell cooperation (network MIMO) and no inter-cell cooperation (single-cell multiuser MIMO). Using the large random matrix theory and Lagrangian optimization, we obtain a numerical algorithm that exactly computes the maximum weighted sum rate in this asymptotic regime. Numerical results are presented for a simple case of two interfering cells in a linear arrangement.

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DO - 10.1109/ICC.2010.5502295

M3 - Conference contribution

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T3 - IEEE International Conference on Communications

BT - 2010 IEEE International Conference on Communications, ICC 2010

T2 - 2010 IEEE International Conference on Communications, ICC 2010

Y2 - 23 May 2010 through 27 May 2010

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Weighted sum rate of multi-cell MIMO downlink channels in the large system limit

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