Successive interference cancellation with SISO decoding and EM channel estimation
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We derive a low-complexity receiver scheme for joint multiuser decoding and parameter estimation of code division multiple access signals. The resulting receiver processes the users serially and iteratively, and makes use of soft-in soft-out single-user decoders, of soft interference cancellation and of expectation-maximization parameter estimation as the main building blocks. Computer simulations show that the proposed receiver a achieves near single-user performance at very high channel load (number of users per chip) and outperforms conventional schemes with similar complexity.
IEEE Journal on Selected Areas in Communications
author list (cited authors)
Kobayashi, M., Boutros, J., & Caire, G.
complete list of authors
Kobayashi, M||Boutros, J||Caire, G