The Error Probability of the Fixed-Complexity Sphere Decoder

  title={The Error Probability of the Fixed-Complexity Sphere Decoder},
  author={Joakim Jald{\'e}n and Luis G. Barbero and Bj{\"o}rn E. Ottersten and John S. Thompson},
  journal={IEEE Transactions on Signal Processing},
The fixed-complexity sphere decoder (FSD) has been previously proposed for multiple-input multiple-output (MIMO) detection in order to overcome the two main drawbacks of the sphere decoder (SD), namely its variable complexity and its sequential structure. Although the FSD has shown remarkable quasi-maximum-likelihood (ML) performance and has resulted in a highly optimized real-time implementation, no analytical study of its performance existed for an arbitrary MIMO system. Herein, the error… CONTINUE READING
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