Performance analysis of adaptive power control based on Signal to Interference Ratio (SIR) using fuzzy genetic for WCDMA

Firdaus, -; Muayyadi, Achmad Ali; Astuti, Rina Puji

doi:10.1109/dictap.2012.6215374

Cited by 3 publications

(2 citation statements)

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“…So the measurement of base station and the gain adjustment of mobile user should both be dynamic. The methods of uplink power control proposed in [5,6] are all based on heterogeneous SIR threshold, which can be denoted by…”

Section: Uplink Power Control Of Asynchronous Cdma Systemmentioning

confidence: 99%

“…Under uplink circumstances, open loop and close loop power control strategy is frequently used to adjust the different gain of each user to compensate the attenuation in the wireless channel [4], where open loop strategy needs less time during the adjustment process but close loop strategy can get higher precision of detection. In recent years, uplink power control algorithm with adaptive SIR thresholds [5] and optimum power control with heterogeneous thresholds [6] are widely discussed. Although these methods operate successfully under wireless communication circumstances, the problem of multiple access interference (MAI) and the speed of control required could not be solved successfully.…”

Section: Introductionmentioning

confidence: 99%

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Application of Adaptive Chaotic Simulated Annealing Network to Uplink Power Control in Asynchronous CDMA System

He¹

2017

Br J Res

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A kind of adaptive Chaotic Stimulated Annealing (CSA) network approach used in the uplink power control of asynchronous Code Division Multiple Access (CDMA) mobile communication system is proposed in this study. The particular influence of near-far effect can be overcome by utilizing the global optimal searching function of CSA method, and the Multiple Access Interference (MAI) in certain cell can be conquered by introducing adaptive multiuser interference cancellation network in corresponding close loop control strategy. Computer simulations give the comparison results between proposed approach and conventional method with heterogeneous Signal-to-Interference Ratio (SIR) threshold decision. It shows that this new approach can achieve higher channel capability and lower average outrage probability with some small increase of iteration steps, which can improve the performance of CDMA mobile communication system effectively.

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Section: Uplink Power Control Of Asynchronous Cdma Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%