Trace balancing for multiuser MIMO downlink transmission

Holger Boche, Martin Schubert, Eduard A. Jorswieck

Publikation: Beitrag in FachzeitschriftKonferenzartikelBegutachtung

11 Zitate (Scopus)

Abstract

We consider the problem of balancing individual capacities in a multi-user MIMO downlink channel. If perfect channel state information is available at the base station, the rates of all users can be jointly controlled by adjusting the transmit covariance matrices. We propose a new transmission strategy based on trace balancing, which is optimal in the low SNR regime. Otherwise, it provides an approximation. An iterative algorithm is proposed, which rapidly converges to the global optimum of the trace balancing problem.

OriginalspracheEnglisch
Seiten (von - bis)1379-1383
Seitenumfang5
FachzeitschriftConference Record - Asilomar Conference on Signals, Systems and Computers
Jahrgang2
PublikationsstatusVeröffentlicht - 2002
Extern publiziertJa
VeranstaltungThe Thirty-Sixth Asilomar Conference on Signals Systems and Computers - Pacific Groove, CA, USA/Vereinigte Staaten
Dauer: 3 Nov. 20026 Nov. 2002

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