A closed form approximation of the sum rate of random beamforming with multiple codebooks and its application to control of the number of codebooks

Janghoon Yang; Yohan Kim; Hyukjin Chae; Dong Ku Kim

doi:10.1109/LCOMM.2008.080820

A closed form approximation of the sum rate of random beamforming with multiple codebooks and its application to control of the number of codebooks

Janghoon Yang, Yohan Kim, Hyukjin Chae, Dong Ku Kim

Department of Electrical and Electronic Engineering

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

3 Citations (Scopus)

Abstract

In this letter, a closed form approximation of the sum rate of random beamforming with multiple codebooks is derived. It is also proved that signal to interference plus noise ratios (SINRs) over different codeboks are independently distributed on the contrast to existing belief on dependence of SINRs. Through numerical simulation, it is shown that the derived approximation is tightly matched to the actual sum rate, and control of the number of codebooks based on the closed form approximation achieves near optimal sum rate performance.

Original language	English
Pages (from-to)	672-674
Number of pages	3
Journal	IEEE Communications Letters
Volume	12
Issue number	9
DOIs	https://doi.org/10.1109/LCOMM.2008.080820
Publication status	Published - 2008

All Science Journal Classification (ASJC) codes

Modelling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

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10.1109/LCOMM.2008.080820

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AU - Kim, Dong Ku

PY - 2008

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AB - In this letter, a closed form approximation of the sum rate of random beamforming with multiple codebooks is derived. It is also proved that signal to interference plus noise ratios (SINRs) over different codeboks are independently distributed on the contrast to existing belief on dependence of SINRs. Through numerical simulation, it is shown that the derived approximation is tightly matched to the actual sum rate, and control of the number of codebooks based on the closed form approximation achieves near optimal sum rate performance.

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A closed form approximation of the sum rate of random beamforming with multiple codebooks and its application to control of the number of codebooks

Abstract

All Science Journal Classification (ASJC) codes

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