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Performance Enhancement of MLD with Parallel Interference Canceller by Unequal-Power Transmission in MIMO Systems Masaaki FUJII Publication IEICE TRANSACTIONS on Communications Vol.E89-B No.4 pp.1447-1450 Publication Date: 2006/04/01 Online ISSN: 1745-1345 DOI: 10.1093/ietcom/e89-b.4.1447 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: MIMO, MLD, QRM-MLD, parallel interference cancellation, unequal-power transmission, Full Text: PDF(501.7KB)>>
Summary: This letter describes unequal-power transmission for multiple-input and multiple-output (MIMO) systems with a parallel interference canceller (PIC) applied to a maximum likelihood detector (MLD) or complexity-reduced MLD at the receiver. Unequal-power transmission reduces the possibility that all substreams are incorrectly decoded. Canceling the correctly decoded substreams enables more reliable detection in the next stage. The simulation results demonstrated that unequal-power transmission improves the transmission performance of the PIC applied to MLDs or complexity-reduced MLDs, compared with equal-power transmission cases. | |||||
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