Optimal Modulation and Coding Scheme Selection in Cellular Networks with Hybrid-ARQ Error Control

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We propose an optimal modulation and coding scheme (MCS) selection criterion for maximizing user throughput in cellular networks. The proposed criterion adopts both the Chase combining and incremental redundancy based hybrid automatic repeat request (HARQ) mechanisms and it selects an MCS level that maximizes the expected throughput which is estimated by considering both the number of transmissions and successful decoding probability in HARQ operation. We also prove that the conventional MCS selection rule is not optimized with mathematical analysis. Through link-level and system-level simulations, we show that the proposed MCS selection criterion yields higher average cell throughput than the conventional MCS selection schemes for slowly varying channels.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2008-12
Language
English
Article Type
Article
Keywords

ADAPTATION; PERFORMANCE; CHANNEL; RADIO

Citation

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, v.7, no.12, pp.5195 - 5201

ISSN
1536-1276
DOI
10.1109/T-WC.2008.070950
URI
http://hdl.handle.net/10203/10748
Appears in Collection
EE-Journal Papers(저널논문)CS-Journal Papers(저널논문)
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