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Calibration of CQI reporting algorithm in HSDPA networks

Next step in development of mobile communication systems is HSDPA (High Speed Downlink Packet Data Access). The key functionality in HSDPA networks is rate adaptation, and it is based on CQI – Channel Quality Indicators, reported by UE. In this paper, we will describe CQI report algorithm and it’s calibration process. Practical experiences will be presented, and gains in terms of throughput will be shown.