Full-Band CQI Feedback by Huffman Compression in 3GPP LTE Systems

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Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
3GPP LTE system exhibits a vital feature of Frequency Selective Scheduling (FSS). Frequency scheduling relies on Channel Quality Indicator (CQI) report by the User Equipment (UE). The main challenge in CQI reporting consists of reduction in number of reporting bits maintaining the performance of the system. This paper recommends a new CQI reporting approach which uses Huffman compression for reduction of overhead bits for full-band CQI report. Full-band feedback technique transmits entire CQI report instead of reporting limited bands as done in Best-M reporting techniques.
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