A Comparative Study on Low-Cost Multiuser Detectors

  title={A Comparative Study on Low-Cost Multiuser Detectors},
  author={Lihai Liu and Li Ping},
  journal={2006 IEEE International Conference on Communications},
In this paper, we compare different low-cost detection techniques for multiple access systems. The per-user complexities of these techniques are independent of the number of users. We demonstrate that the chip extrinsic information (CEI) method achieves the best performance, and the a posteriori probability information (APPI) and bit extrinsic information (BEI) methods provide different tradeoffs between performance, complexity and storage requirements. These low-cost multiuser detectors are… CONTINUE READING


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