Spatial interference shaping for underlay MIMO cognitive networks

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Christian Lameiro, Wolfgang Utschick, Ignacio Santamaría

Published: 2017, Last Modified: 15 May 2025Signal Process. 2017EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: Highlights•Interference shaping is proposed for multi-antenna underlay cognitive radio.•Interference shaping is shown to generalize interference temperature.•An efficient design of shaping matrices is proposed using local CSI.•Significant performance improvements with respect to interference temperature are shown.