NDLI: Elevation beamforming with beamspace methods for LTE

Content Provider	IEEE Xplore Digital Library
Author	Vook, F.W. Thomas, T.A. Visotsky, E.
Copyright Year	2013
Description	Author affiliation: Nokia Siemens Networks, Arlington, IL, USA (Vook, F.W.; Thomas, T.A.; Visotsky, E.)
Abstract	Recently, there has been interest in extending MIMO processing techniques to exploit the elevation dimension of the multipath channel in addition to the azimuth dimension. In this paper, we explore the use of beamspace methods for creating virtual antenna ports in the vertical direction to enable a base station antenna array to exploit the elevation dimension of the multipath channel. We consider two ways of configuring the vertical antenna array: vertical sectorization, which creates additional sectors in the vertical domain, and vertical beamforming, which simply leverages the additional vertical antenna ports with existing MIMO processing techniques. For Rel-8/10 LTE, we show that both vertical sectorization and vertical beamforming can provide significant gains in the average and cell-edge throughputs, both in full buffer traffic as well as bursty traffic. We also highlight the sensitivity of the results to the specific assumptions of the underlying multipath channel characteristics and other system parameters.
Starting Page	554
Ending Page	558
File Size	1608586
Page Count	5
File Format	PDF
ISBN	9781467362351
ISSN	21669570
DOI	10.1109/PIMRC.2013.6666198
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Array signal processing Arrays Azimuth Antenna arrays MIMO Ports (Computers) LTE Elevation Beamforming 3D-Beamforming 3D-MIMO Beamspace processing 3GPP
Content Type	Text
Resource Type	Article

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