Abstract
Power control algorithms assume that the receiver structure is fixed and iteratively update the transmit powers of the users to provide acceptable quality of service while minimizing the total transmitter power. Multiuser detection, on the other hand, optimizes the receiver structure with the assumption that the users have fixed transmitter powers. In this study, we combine the two approaches and propose an iterative and distributed power control algorithm which iteratively updates the transmitter powers and receiver filter coefficients of the users. We show that the algorithm converges to a minimum power solution for the powers, and an MMSE multiuser detector for the filter coefficients.
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Ulukus, S., Yates, R.D. Adaptive power control and MMSE interference suppression. Wireless Networks 4, 489–496 (1998). https://doi.org/10.1023/A:1019101700730
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DOI: https://doi.org/10.1023/A:1019101700730