Spectral Efficiency Bounds for Interference-Limited SVD-MIMO Cellular Communication Systems

Jinseok Choi; Jeonghun Park; Brian L. Evans

doi:10.1109/LWC.2016.2629474

Spectral Efficiency Bounds for Interference-Limited SVD-MIMO Cellular Communication Systems

Jinseok Choi, Jeonghun Park, Brian L. Evans

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

The ergodic spectral efficiency (SE) in interference-limited multiple-input multiple-output (MIMO) downlink cellular systems is characterized based on stochastic geometry. A single user is served by using singular value decomposition precoding and combining. By approximating the expectations of the channel eigenvalues, we derive upper and lower bounds on the ergodic SE. The obtained upper bound is the best possible system-level performance of any MIMO strategy in non-cooperative cellular networks. We validate our analytical results through simulation. We also conjecture that there exists the optimal number of streams being proportional to the pathloss exponent.

Original language	English
Article number	7745881
Pages (from-to)	46-49
Number of pages	4
Journal	IEEE Wireless Communications Letters
Volume	6
Issue number	1
DOIs	https://doi.org/10.1109/LWC.2016.2629474
Publication status	Published - 2017 Feb

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Publisher Copyright:
© 2012 IEEE.

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/LWC.2016.2629474

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abstract = "The ergodic spectral efficiency (SE) in interference-limited multiple-input multiple-output (MIMO) downlink cellular systems is characterized based on stochastic geometry. A single user is served by using singular value decomposition precoding and combining. By approximating the expectations of the channel eigenvalues, we derive upper and lower bounds on the ergodic SE. The obtained upper bound is the best possible system-level performance of any MIMO strategy in non-cooperative cellular networks. We validate our analytical results through simulation. We also conjecture that there exists the optimal number of streams being proportional to the pathloss exponent.",

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AB - The ergodic spectral efficiency (SE) in interference-limited multiple-input multiple-output (MIMO) downlink cellular systems is characterized based on stochastic geometry. A single user is served by using singular value decomposition precoding and combining. By approximating the expectations of the channel eigenvalues, we derive upper and lower bounds on the ergodic SE. The obtained upper bound is the best possible system-level performance of any MIMO strategy in non-cooperative cellular networks. We validate our analytical results through simulation. We also conjecture that there exists the optimal number of streams being proportional to the pathloss exponent.

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Spectral Efficiency Bounds for Interference-Limited SVD-MIMO Cellular Communication Systems

Abstract

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