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Optimal implementation of novel WCDMA uplink outer loop power control algorithm
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DOI：10.1016/j.aeue.2016.06.007.png)
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Abstract
En 中文
Wideband code division multiple access (WCDMA) uplink outer loop power control has been responsible for changing the signal to interference ratio (SIR) target value according to the SIR target control algorithms. Thus maintains the desired block error rate (BLER) for voice connections and transmission to target error rate (TTE) for data connections. During a call, the SIR target varies between implemented lower (sirMin) and upper boundaries (sirMax), which are fixed values on radio network control station (RNC). As possible solution for WCDMA uplink overload problems, a novel uplink outer loop power control algorithm with dynamic change of sirMax has been proposed. In this paper optimal implementation for dynamic change of sirMax has been investigated. Performance management statistic and general performance event handling (GPEH) data, for current uplink received signal strength indicator (UL RSSI) and required SIR target, have been obtained. Based on analysis from obtained data optimal implementation for dynamic change of sirMax has been proposed. (C) 2016 The Author(s). Published by Elsevier GmbH. This is an open access article under the CC BY-NC-ND license.
Keywords:
Performance management statistic
WCDMA
sirMax
UL RSSI
GPEH
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