Beam Selection Gain from Butler Matrices

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Beam Selection Gain from Butler Matrices

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Title: Beam Selection Gain from Butler Matrices
Author: Bai, Dongwoon; Tarokh, Vahid; Ghassemzadeh, Saeed S.; Miller, Robert R.

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Citation: Bai, Dongwoon, Saeed S. Ghassemzadeh, Robert R. Miller, and Vahid Tarokh. Beam selection gain from Butler matrices. In 2008 IEEE 68th Vehicular Technology Conference, 1-5. IEEE.
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Abstract: We consider a wireless transmission scenario, when a base station is endowed with a fixed beamforming network, where M antennas are employed at the base station to point beams to predetermined azimuthal angles. In our setting, a Butler matrix is deployed at the RF stage to form M beams, and then the best beam is selected for transmission. We derive the distribution of the beam selection gain for this scenario under a Rician channel assumption as a function of both the azimuthal location of the remote unit and the Rician K-factor. Using some key properties of the noncentral chi-square distribution, we prove that beam selection outperforms manual antenna selection.
Published Version: doi:10.1109/VETECF.2008.107
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:2350493

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  • FAS Scholarly Articles [7213]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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