Design and Implementation of OFDM transmitter with Low Peak-to-Average Power Ratio
Date Issued
2005
Date
2005
Author(s)
Wang, Ya-Cheng
DOI
en-US
Abstract
High Peak-to-Average Power Ratio (PAPR) poses serious problem for the analog front end power amplifier design of Orthogonal Frequency Division Multiplexing (OFDM) systems. In this paper, an OFDM transmitter with PAPR reduction is proposed. The proposed PAPR reduction schemes are a transmitter only modification thus compatible with existing OFDM receivers. Other than PAPR reduction performance, hardware implementation complexity and power amplifier efficiency are also crucial factors in the selection of PAPR schemes. A thorough survey of PAPR reduction schemes is carried out in this paper. The proposed combinational scheme works for various QAM constellations. An OFDM transmitter is implemented in FPGA to validate our design.
Subjects
正交分頻多工
峰均值
PAPR
OFDM
PAR
Type
thesis
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