Method for improving performance of a mobile radiocommunication system using power control
First Claim
1. A method for improving performances of a mobile radiocommunication system using a power control loop which controls power according to a transmission quality target value, and an adjustment process for adjusting said transmission quality target value, a method wherein said adjustment process is controlled based on an assessment of the convergence of said power control loop around said transmission quality target value.
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Abstract
A method for improving performances of a mobile radiocommunication system using a power control loop which controls power according to a transmission quality target value, and an adjustment process for adjusting said transmission quality target value, a method wherein said adjustment process is controlled based on an assessment of the convergence of said power control loop around said transmission quality target value.
35 Citations
27 Claims
- 1. A method for improving performances of a mobile radiocommunication system using a power control loop which controls power according to a transmission quality target value, and an adjustment process for adjusting said transmission quality target value, a method wherein said adjustment process is controlled based on an assessment of the convergence of said power control loop around said transmission quality target value.
- 16. A method for improving performances of a mobile radiocommunication system using a power control loop which controls power according to a transmission quality target value, and an adjustment process for adjusting said transmission quality target value, a method wherein said adjustment process is controlled based on an assessment of the convergence of said power control loop around said transmission quality target value, wherein convergence of said power control loop is assessed by determining if the difference between an estimated average transmission quality and said transmission quality target value is within given margins.
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22. A method for improving performances of a mobile radiocommunication system using a power control loop which controls power according to a transmission quality target value, and an adjustment process for adjusting said transmission quality target value, a method wherein said adjustment process is controlled based on an assessment of the convergence of said power control loop around said transmission quality target value, wherein convergence of said power control loop is assessed by determining if, among successive values representative of an estimated average transmission quality, at least one of these values is above said transmission quality target value and at least one of these values is below said transmission quality target value.
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23. A method for improving the performance of a mobile radio communication system using a downlink power control loop for controlling power according to a SIR target value, and a using a downlink adjustment process for adjusting said SIR target value, a method comprising:
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making a convergence assessment as to whether said downlink power control loop is converging around said SIR target value; and
controlling said downlink adjustment process based on said convergence assessment;
wherein said SIR target value is not increased by said downlink adjustment process when said convergence assessment indicates that said downlink power control loop is not converging around said SIR target value. - View Dependent Claims (24)
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25. A mobile station, comprising:
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means for performing a downlink power control loop for controlling power according to a SIR target value;
means for performing a downlink adjustment process for adjusting said SIR target value; and
means for preventing, when said downlink power control loop is not converging around said SIR target value, said downlink adjustment process from increasing said SIR target value. - View Dependent Claims (26, 27)
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Specification