首页|Movable Antenna Enabled Interference Network: Joint Antenna Position and
Beamforming Design
Movable Antenna Enabled Interference Network: Joint Antenna Position and
Beamforming Design
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Arxiv
This paper investigates the utility of movable antenna (MA) assistance for
the multiple-input single-output (MISO) interference channel. We exploit an
additional design degree of freedom provided by MA to enhance the desired
signal and suppress interference so as to reduce the total transmit power of
interference network. To this end, we jointly optimize the MA positions and
transmit beamforming, subject to the signal-to-interference-plus-noise ratio
constraints of users. To address the non-convex optimization problem, we
propose an efficient iterative algorithm to alternately optimize the MA
positions via successive convex approximation method and the transmit
beamforming via second-order cone program approach. Numerical results
demonstrate that the proposed MA-enabled MISO interference network outperforms
its conventional counterpart without MA, which significantly enhances the
capability of inter-cell frequency reuse and reduces the complexity of
transmitter design.
Arxiv
