2134/5915 Peerapol Yuvapoositanon Peerapol Yuvapoositanon Jonathon Chambers Jonathon Chambers An adaptive step-size code-constrained minimum output energy receiver for nonstationary CDMA channels Loughborough University 2010 untagged Mechanical Engineering not elsewhere classified 2010-02-05 16:10:34 Conference contribution https://repository.lboro.ac.uk/articles/conference_contribution/An_adaptive_step-size_code-constrained_minimum_output_energy_receiver_for_nonstationary_CDMA_channels/9554756 The adaptive step-size (AS) code-constrained minimum output energy (CMOE) receiver for nonstationary code-division multiple access (CDMA) channels is proposed. The AS-CMOE algorithm adaptively varies the step-size in order to minimise the CMOE criterion. Admissibility of the proposed method is confirmed via the reformulation of the CMOE criterion as an unconstrained optimisation. The ability of the algorithm to track sudden changes of the channel structure in multipath fading channels is assessed. Sensitivity to the initial values of the step-size and the adaptation rate of the algorithm is also investigated.