NDLI: Practical Turbo Receiver Design for Throughput-Efficient Relay ARQ Transmissions over Broadband Cooperative MIMO Channels

Content Provider	IEEE Xplore Digital Library
Author	El-Moutaouakkil, Zakaria Ait-Idir, Tarik Saoudi, Samir Yanikomeroglu, Halim Ghogho, Mounir
Copyright Year	2011
Abstract	In this paper, we investigate practical turbo receiver design for throughput-efficient relay ARQ transmissions over broadband cooperative MIMO channels. Our setup is comprised of three multi-antenna nodes: a source, a destination, and a relay node operating under the amplify-and-forward half-duplex relaying mode. To attain higher system average throughput, we adopt a two-slot transmission strategy where the ARQ mechanism is activated on top of the amplify-and-forward protocol. We derive a soft sub-packet combiner allowing the destination node to jointly perform sub-packet combining (over both time slots and multiple ARQ rounds) and frequency domain MMSE filtering. Its computational load is then smoothly relaxed via a recursive implementation alleviating the memory requirements when the number of ARQ rounds increases. Simulation results show that the proposed transmission strategy along with turbo reception at the destination side achieves significant average throughput performance gain compared with conventional ARQ-based cooperative relaying.
Starting Page	1
Ending Page	6
File Size	233621
Page Count	6
File Format	PDF
ISBN	9781424492664
ISSN	1930529X
e-ISBN	9781424492688
e-ISBN	9781424492671
DOI	10.1109/GLOCOM.2011.6134462
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automatic repeat request Peer to peer computing Vectors Relays Receivers Decoding MIMO
Content Type	Text
Resource Type	Article

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