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In this paper, we present the optimal design methodology and process for traffic channel of M-WiMAX mobile modem ASIC. Under multipath channel environment, the proposed FXP (fixed-point) design method is verified through the performance comparison of BER (bit error rate), and PER (packet error rate) between the FXP model and the FLP (floating-point) model. Trade-offs, such as computing speed, accuracy,...
This paper introduces a novel channel-prediction technique for an orthogonal frequency-division multiplexing (OFDM)/frequency-division duplex (FDD) system to support an adaptive-modulation and coding (AMC) scheme over a rapidly time-varying multipath fading channel. Most channel-prediction techniques assume that there is no channel variation in the predefined time duration, e.g. the slot. As a result,...
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