A power saving dual-hop architecture based on hybrid spatial modulation

Athanasios Stavridis, Sinan Sinanovic, Marco Di Renzo, Harald Haas

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    In this paper, we propose a novel Dual-Hop Decode-and-Forward (DF) architecture based on Multiple-Input Multiple-Output (MIMO) Zero Forcing (ZF) precoding and Spatial Modulation (SM) that employs a centralized or a distributed detection algorithm at the Relay Nodes (RNs). Using Tikhonov Regularization (TR) we form a precoding technique that turns out to reduce significantly the transmitted power at the Source Node (SN) under certain scenarios. Moreover, the use of TR enables our scheme to communicate in channels with low and medium correlation at the first hop without a Bit Error Rate (BER) penalty. Finally, we extend our scheme in order to take into account realistic Channel State Information (CSI) at the the Source Node (SN).
    Original languageEnglish
    Title of host publicationProceedings of the 46th Asilomar Conference on Signals, Systems and Computers (ASILOMAR), 2012
    PublisherIEEE
    Pages1366-1370
    Number of pages5
    ISBN (Print)9781467350501
    DOIs
    Publication statusPublished - 2012

    Keywords

    • spatial modulation
    • system architecture
    • signals
    • computer science

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