A new reduced-complexity sphere decoder for multiple antenna systems

  title={A new reduced-complexity sphere decoder for multiple antenna systems},
  author={Albert M. Chan and Inkyu Lee},
Sphere decoding for multiple antenna systems has been shown to achieve near-ML performance with low complexity. However, the achievement of such an excellent performance-complexity tradeoff is highly dependent on the initial choice of sphere radius. In this paper, we present a new sphere decoding algorithm which is even less computationally complex than the original sphere decoder. Moreover, the complexity of the new sphere decoder is relatively insensitive to the initial choice of sphere… CONTINUE READING
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