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Multiuser Resource Allocation and LDPC-Based Adaptive Modulation and Coding for OFDMA Downlink | IEEE Conference Publication | IEEE Xplore

Multiuser Resource Allocation and LDPC-Based Adaptive Modulation and Coding for OFDMA Downlink


Abstract:

In this work we describe an optimization technique for multiuser resource allocation and adaptive modulation and coding (AMC) in OFDMA radio downlink communications. In p...Show More

Abstract:

In this work we describe an optimization technique for multiuser resource allocation and adaptive modulation and coding (AMC) in OFDMA radio downlink communications. In particular, we propose an innovative AMC solution, based on M-QAM modulation and LDPC codes, jointly working with the scheduler and capable to maximize the achieved throughput while guaranteeing a given set of BER/FER requirements. Simulation results are presented to validate the proposed approach and a comparison with more traditional schemes is provided.
Date of Conference: 05-09 June 2011
Date Added to IEEE Xplore: 28 July 2011
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Conference Location: Kyoto, Japan

References

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