A low complexity optimization algorithm for zero-forcing precoding under per-antenna power constraints
MetadataShow full item record
Zero-forcing beamforming (ZFBF) is a popular pre-coding scheme for MIMO systems. Most of the studies in the literature are under total power constraints. However, the perantenna power constraints (PAPC) are more realistic. The state-of-the-art method is interior point method which is expensive to realize in practice due to the high computational complexity. Hence, a low complexity zero-forcing precoding scheme under the per-antenna power constraints is proposed in this paper. This is achieved by introducing a regularized dual method. Simulations are carried out to show the effectiveness of the proposed method, which has a low computational complexity. In addition, the algorithm can be implemented in parallel to further reduce the computational complexity.
Showing items related by title, author, creator and subject.
Tuthill, John D. (1995)In antenna array processing it is generally required to enhance the reception or detection of a signal from a particular direction while suppressing noise and interference signals from other directions. An optimisation ...
Yu, Changjun (2012)In this thesis, We propose new computational algorithms and methods for solving four classes of constrained optimization and optimal control problems. In Chapter 1, we present a brief review on optimization and ...
Making the links between women’s health and women’s lives in Papua New Guinea: Implications for policy and health care deliveryHinton, Rachael (2009)International perspectives of women’s health have drawn on biomedical solutions and pathology-based aspects, and one of the main components of a changing and evolving definition of women’s health is to provide an alternative ...