The Application of Spatial Shifting for Peak-to-Average Power Ratio Reduction in MIMO OFDM Systems

The Application of Spatial Shifting for Peak-to-Average Power Ratio Reduction in MIMO OFDM Systems

This paper investigates the application of spatial shifting (SS) of partial transmit sequences (PTSs) in multiple-input multiple-output OFDM. The technique rearranges the transmit (TX) vector in such a way that subparts are transmitted on those TX branches that result in the lowest overall peak-to-a...

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Hauptverfasser: Schenk, T.C.W., Smulders, P.F.M., Fledderus, E.R.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Baseband
Costs
Distortion
High power amplifiers
MIMO
OFDM
Partial transmit sequences
Peak to average power ratio
Signal representations
Time domain analysis
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creator Schenk, T.C.W.
Smulders, P.F.M.
Fledderus, E.R.
description This paper investigates the application of spatial shifting (SS) of partial transmit sequences (PTSs) in multiple-input multiple-output OFDM. The technique rearranges the transmit (TX) vector in such a way that subparts are transmitted on those TX branches that result in the lowest overall peak-to-average power ratio. The application of different subcarrier grouping schemes and the combination of SS with phase shifting (PS) of the PTSs is investigated. Furthermore, a transparent extension of the techniques, without extra signalling overhead, is proposed. Numerical results prove the effectiveness of the SS and the combined SS/PS approach
doi_str_mv 10.1109/VETECS.2006.1683169
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subjects Baseband
Costs
Distortion
High power amplifiers
MIMO
OFDM
Partial transmit sequences
Peak to average power ratio
Signal representations
Time domain analysis
title The Application of Spatial Shifting for Peak-to-Average Power Ratio Reduction in MIMO OFDM Systems
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