Peak to Average Ratio

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
PAR
Pronunciation
/pik tɪ ˈævərɪʤ ˈreɪʃiˌoʊ/
Category
Medical
Related Field
Physiology

Examples in Context

  1. The OFDM technology improves the spectrum utilization efficiency and data transfer speed, but it needs the power amplifier to be fit for high peak to average ratio and high linear requirements.
  2. By MATLAB simulation, it is got that the improved pulse shaping technique has good performance of reducing high peak to average ratio of MIMO-OFDM system.
  3. Therefore, in order to maintain the linearity of signal and high Peak to Average Ratio(PAR) ( PAR ), how to raise the efficiency of RF power amplifier nowadays has become the popular topic of wireless communication technology study.
  4. However, OFDM technology has some drawbacks, such as having a high peak to average ratio ( PAPR ), sensitive to frequency deviation, difficult to synchronize between sub-carriers and other issues.
  5. For the high peak to average ratio of OFDM signal and the nonlinear characteristics of nonlinear high power amplifier will inevitably produce nonlinear distortion in OFDM systems.

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