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The Spectrum Efficiency of a Base Station Antenna Array System for Spatially Selective Transmission
KTH, Superseded Departments, Signals, Sensors and Systems.
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0003-2298-6774
1995 (English)In: IEEE Transactions on Vehicular Technology, ISSN 0018-9545, E-ISSN 1939-9359, Vol. 44, no 3, 651-660 p.Article in journal (Refereed) Published
Abstract [en]

In this paper we investigate the spectrum efficiency gain using  ransmittingantenna arrays at the base stations of a mobile cellular  etwork. The proposedsystem 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
1995. Vol. 44, no 3, 651-660 p.
Keyword [en]
Antenna arrays, Base stations, Fading, Frequency, Interchannel interference, Land mobile radio cellular systems, Linear antenna arrays, Mobile communication, Scattering, Transmitting antennas
National Category
Telecommunications Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-53294DOI: 10.1109/25.406634ISI: A1995RQ50200031OAI: oai:DiVA.org:kth-53294DiVA: diva2:469746
Note
QC 20120103Available from: 2011-12-27 Created: 2011-12-27 Last updated: 2017-12-08Bibliographically approved

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Ottersten, Björn

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