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The spectrum efficiency of a base station antenna array system for spatially selective transmission
KTH, School of Electrical Engineering (EES).
KTH, School of Electrical Engineering (EES).ORCID iD: 0000-0003-2298-6774
2009 (English)In: Adaptive Antennas for Wireless Communications, John Wiley and Sons Inc. , 2009, p. 471-480Chapter in book (Other academic)
Abstract [en]

In this paper we investigate the spectrum efficiency gain using transmitting antenna arrays at the base stations of a mobile cellular network. The proposed system estimates the angular positions of the mobiles from the received data, and allows multiple mobiles to be allocated to the same channel within a cell. This is possible by applying a transmit scheme which directs nulls against co-channel users within the cell. It is shown that multiple mobiles per cell is an efficient way of increasing capacity in comparison with reduced channel reuse distance and narrow beams (without directed nulls). The effect of the spatial spread angle of the locally scattered rays in the vicinity of the mobile is also investigated.

Place, publisher, year, edition, pages
John Wiley and Sons Inc. , 2009. p. 471-480
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-223006DOI: 10.1109/9780470544075.ch3Scopus ID: 2-s2.0-85037146343ISBN: 9780470544075 ISBN: 0780360168 ISBN: 9780780360167 OAI: oai:DiVA.org:kth-223006DiVA, id: diva2:1188696
Note

QC 20180308

Available from: 2018-03-08 Created: 2018-03-08 Last updated: 2018-03-08Bibliographically approved

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Ottersten, Björn

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CiteExportLink to record
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  • nn-NB
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  • Other locale
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