Throughput of type II HARQ-OFDM/TDM using MMSE-FDE in a multipath channel

Authors:
Haris Gacanin;Fumiyuki Adachi
Affiliations:
Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University, Sendai, Japan;Department of Electrical and Communication Engineering, Graduate School of Engineering, Tohoku University, Sendai, Japan
Venue:
Research Letters in Communications
Year:
2009

Citing 4
Cited 0

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Abstract

In type II hybrid ARQ (HARQ) schemes, the uncoded information bits are transmitted first, while the error correction parity bits are sent upon request. Consequently, frequency diversity cannot be exploited during the first transmission. In this paper, we present the use of OFDM/TDM with MMSE-FDE and type II HARQ to increase throughput of OFDM due to frequency diversity gain.