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http://dx.doi.org/10.9708/jksci.2021.26.09.065

Study on the Transmit Power, MMSE Receiver Filter, and Access Point Selection Optimization Algorithm  

Oh, Changyoon (Dept. of Information and Communication Engineering, Inha Technical College)
Publication Information
Journal of the Korea Society of Computer and Information / v.26, no.9, 2021 , pp. 65-72 More about this Journal
Abstract
We consider the joint optimization problem of transmit power level, MMSE receiver filter and access point(AP) selection for multi access points environment. In the previous work, transmit power and MMSE receiver filter were jointly optimized[1] and transmit power and best access point were optimized jointly[2]. For each case, the algorithm was proposed and its convergence which guarantees the minimum total transmit power was proved. In this paper, we further improve the algorithm by jointly optimizing three parameters. More specifically, 1) we propose the algorithm by considering transmit power, MMSE receiver filter and access point selection jointly. 2) we prove that the proposed algorithm guarantees convergence with minimum transmit power consumption. In the simulation results, it is shown that proposed algorithm outperforms two other algorithms, i.e., 1) algorithm with transmit power and MMSE receiver filter, and 2) algorithm with transmit power and best access point selection.
Keywords
Access Point Selection; Minimum Mean Squared Error(MMSE); Optimization; Power Control; Transmit Power;
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