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This is to certify that your paper entitled «The Best Variable Step-size LMS Algorithm for Smart Antennas in a SDMA Mobile Communication Environment with Changing Noise and fading» was indexed with 6 pages, in the CIVILICA citation database, code COI:EOESD01_067, after evaluation and approval of the referees of the "Conference on Electrical Engineering and Sustainable Development with a focus on new achievements in electrical engineering held in Mashhad 2014.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.