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Spatial multiplexing over Rician fading channels: Linear precoding transmission strategies
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0003-2298-6774
2005 (English)In: Nordic Conference on Radio Science and Communications (RVK), 2005Conference paper, Published paper (Other academic)
Abstract [en]

Using information about the channel at the transmittercan improve the performance of multi-input multi-output(MIMO) communication systems. When perfect channelstate information (CSI) is available, data can be multiplexed and optimized over independent spatial channels.However, when the available channel information is imperfect or partial, crosstalk between the spatial channels isinevitable complicating the design of the transmitted data.This paper extends our earlier work on practical bit andpower loading algorithmsthat enable the use of partial CSIfor spatial multiplexing, to the case of correlated Ricianfading CSI models. Furthermore, the bit and power loading algorithm is updated for improved BER performanceas well as lower computational complexity.

Place, publisher, year, edition, pages
2005.
Keyword [en]
multi-input multi-output (MIMO), independent spatial channels, channel state information (CSI), crosstalk, BER
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-63581OAI: oai:DiVA.org:kth-63581DiVA: diva2:482387
Note
NQCAvailable from: 2012-01-23 Created: 2012-01-23 Last updated: 2012-02-02Bibliographically approved

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Ottersten, Björn

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