Low complexity Pipelined Implementation of Vector Precoding for MIMO systems
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 5
Abstract
The nonlinear vector precoding (VP) technique has been used to achieve the capacity performance in multiuser multiple input multiple-output (MIMO) downlink channels. The performance promote with respect to its linear counterparts stems from the combination of a disturbed signal that reduces the power of the precoded signal. However, the optimality of these algorithms has been compared mainly in terms of error-rate performance and computational complexity, leaving the hardware cost based on their implementation an open distribute. The proposed work improves its performance in terms of slices, flip flops, latency, comparators, gate counts and power consumption. This paper has addressed the issues of a fully-pipelined implementation of the FSE and K-best architecture approaches for a 4 × 4 VP system.
Authors and Affiliations
M. Bala Krishnan*1
Keywords
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