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2010•Radio EngineeringRequires access

Research on PAPR in OFDM and MIMO-OFDM Systems

HU Mao-kai

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Abstract

The orthogonal frequency division multiplexing(OFDM) and multi-input multi-output orthogonal frequency division multiplexing(MIMO-OFDM) has high peak-to-average power ratio(PAPR).Most of methods is used to reduce PAPR directly by using the OFDM system,but many problems occur in matching with MIMO-OFDM system.This paper respectively analyzes OFDM and MIMO-OFDM system models and PAPR,and the relations between them theoretically.In the paper,we summarize the notices in reducing PAPR in the MIMO-OFDM system,which provides the theoretical foundation for the application of OFDM and MIMO-OFDM system.

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What this paper is about

The orthogonal frequency division multiplexing(OFDM) and multi-input multi-output orthogonal frequency division multiplexing(MIMO-OFDM) has high peak-to-average power ratio(PAPR).Most of methods is used to reduce PAPR directly by using the OFDM system,but many problems occur in matching with MIMO-OFDM system.This paper respectively analyzes OFDM and MIMO-OFDM system models and PAPR,and the relations between them theoretically.In the paper,we summarize the notices in reducing PAPR in the MIMO-OFDM system,which provides the theoretical foundation for the application of OFDM and MIMO-OFDM system.

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Available abstract

The orthogonal frequency division multiplexing(OFDM) and multi-input multi-output orthogonal frequency division multiplexing(MIMO-OFDM) has high peak-to-average power ratio(PAPR).Most of methods is used to reduce PAPR directly by using the OFDM system,but many problems occur in matching with MIMO-OFDM system.This paper respectively analyzes OFDM and MIMO-OFDM system models and PAPR,and the relations between them theoretically.In the paper,we summarize the notices in reducing PAPR in the MIMO-OFDM system,which provides the theoretical foundation for the application of OFDM and MIMO-OFDM system.

Key concepts: Orthogonal frequency-division multiplexing, MIMO-OFDM, MIMO, Electronic engineering, Computer science, Multiplexing, Telecommunications, Engineering

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