Very Low-Complexity Algorithms for Beamforming in Two-Way Relay Systems
Abstract
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.
- Publication:
-
arXiv e-prints
- Pub Date:
- October 2014
- DOI:
- 10.48550/arXiv.1410.5004
- arXiv:
- arXiv:1410.5004
- Bibcode:
- 2014arXiv1410.5004T
- Keywords:
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- Mathematics - Optimization and Control;
- Mathematics - Numerical Analysis;
- 94A12
- E-Print:
- Presented at 4th Annual Workshop on Cryptography, Algebra, and Geometry (Dschang Cameroon, July 21-25 2014)