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Performance analysis of downlink beamforming algorithms

: Boche, H.; Schubert, M.

Verband der Elektrotechnik, Elektronik, Informationstechnik -VDE-:
MICRO.tec 2000. VDE World Microtechnologies Congress: Applications - Trends - Visions. Proceedings. Vol.2
Berlin: VDE-Verlag, 2000
ISBN: 3-8007-2579-7
World Microtechnologies Congress (MICROTEC) <2000, Hannover>
Fraunhofer HHI ()
array signal processing; optimisation; radiofrequency interference; performance analysis; downlink beamforming algorithms; optimization criteria; noise; power assignment problem; rfi

Several optimization criteria for the downlink beamforming problem have been proposed in literature. In this paper we analyze and compare different techniques. In particular, we study the impact of noise, the power assignment problem and the expected performance for a scenario where a large number of users are randomly distributed in space.