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Very Low-Complexity Algorithms for Beamforming in Two-Way Relay Systems

In this paper, we present a novel solution for optimal beamforming in a two-way relay (TWR) systems with perfect channel state information. The solution makes use of properties of quadratic surfaces to simplify the solution space of the problem to $\mathbb{R}^4$, and enables the formulation of a differential equation that can be solved numerically to obtain the optimal beamforming matrix.

preprint2015arXivOpen access
Chris ThronAhsan Aziz
math.OCmath.NA
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Open access2 authors2 topics
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Chris ThronAhsan Aziz

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