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Outage Performance of Multi-Hop Decouple-and-Forward Relaying in Spatially Correlated MIMO Channels
In-Ho LEE Joong-Hoo PARK Dongwoo KIM
IEICE TRANSACTIONS on Communications
Publication Date: 2010/05/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
multi-hop MIMO, decouple-and-forward relaying, OSTBC, outage probability, spatially correlated channels,
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In this letter, the outage performance of multi-hop multiple-input multiple-output (MIMO) relaying systems is analyzed for spatially correlated Rayleigh fading channels. We focus on nonregenerative MIMO decouple-and-forward (DCF) relaying in orthogonal space-time block code (OSTBC) transmission and provide its outage probability given the assumption of ideal relay gain. The outage obtained here is shown a lower bound for using practical gains, which gets tight at high SNR. We conduct numerical studies to assess the impact of the spatial correlation between antennas on the outage probability.