A Novel Link Error Prediction Model for OFDM Systems with HARQ
作者： Josep Colom Ikuno , Christian Mehlfuhrer , Markus Rupp
关键词: Orthogonal frequency-division multiplexing 、 Algorithm 、 Mutual information 、 Link adaptation 、 Automatic repeat request 、 Hybrid automatic repeat request 、 Real-time computing 、 Additive white Gaussian noise 、 Computer science 、 Channel code
摘要: This paper presents a link error prediction model capable of accurately predicting the block ratio in OFDM systems with hybrid ARQ. The modeling both channel coding and combining retransmissions solves many issues present models. Our is based on accumulated conditional mutual information, information effective SNR averaging, simulated AWGN performance curves. As consequence, our fading-insensitive takes into account non-ideality rate matching. can be applied to any system that utilizes matching as means achieve adaptive modulation HARQ. We demonstrate application LTE simulate its accuracy. whole simulation environment together results this are made available for download at homepage.
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