MAP-based code-aided hypothesis testing

Herzet, Cedric;Wymeersch, Henk;Simoens, Frederik;Moeneclaey, Marc;Vandendorpe, Luc
(2008) IEEE Transactions on Wireless Communications — Vol. 7, n° 8, p. 2856-2860 (2008)

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Authors
  • Herzet, Cedric
    Author
  • Wymeersch, Henk
    Author
  • Simoens, Frederik
    Author
  • Moeneclaey, Marc
    Author
  • Vandendorpe, LucUCLouvain
    Author
Abstract
This contribution deals with code-aided hypothesis testing for wireless digital receivers. We provide a theoretical justification for a hypothesis testing algorithm that was previously introduced in [1] based on ad-hoc arguments. Contrary to conventional hypothesis testing methods, the algorithm from [1] exploits the code structure within the received signal and does not require any pilot symbols. By doing so, it allows to improve the bandwidth-efficiency of the transmission. The present contribution shows that, under mild conditions, the performance of the algorithm from [1] coincides with the performance of the optimal Maximum A Posteriori (MAP) hypotesis test. Computer simulations support this result.
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Herzet, C., Wymeersch, H., Simoens, F., Moeneclaey, M., & Vandendorpe, L. (2008). MAP-based code-aided hypothesis testing. IEEE Transactions on Wireless Communications, 7(8), 2856-2860. https://doi.org/10.1109/TWC.2008.060995 (Original work published 2008)