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http://dx.doi.org/10.9723/jksiis.2020.25.4.039

Multi-Access Points Transmit Power Control Algorithm in Consideration of the Channel Estimation Error and the Multi Rate Service  

Oh, Changyoon (인하공업전문대학 정보통신과)
Publication Information
Journal of Korea Society of Industrial Information Systems / v.25, no.4, 2020 , pp. 39-47 More about this Journal
Abstract
We propose a multi-access points transmit power control algorithm in consideration of the channel estimation error and the multi-rate service. In the real communication systems, the channel estimation at the receiver side is imperfect due to limited number of pilot symbol usage. Furthermore, the multi-rate service is supported. We theoretically prove the uniqueness and the convergence of the proposed algorithm in multi-rate service environment. The proposed algorithm composes of one inner loop part and one outer loop part. Simulation results show that 1) the inner loop algorithm guarantees convergence of the transmit power level and the multi-rate service, 2) the outer loop algorithm compensates for the channel estimation error.
Keywords
Access point; Channel estimation; Inner loop; Outer loop; Transmit power control;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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