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Exact distribution of the amplitude of adaptively selected OFDM signal samples
- Authors
- Wang, Lei; Yoon, Dongweon; Park, Sang Kyu
- Issue Date
- Jan-2008
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- OFDM; adaptive symbol selection scheme; clipping; PAPR reduction
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E91B, no.1, pp.355 - 358
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E91B
- Number
- 1
- Start Page
- 355
- End Page
- 358
- ISSN
- 0916-8516
- Abstract
- The combination of deliberate clipping and an adaptive symbol selection scheme (ASSS) can be used to reduce the peak to average power ratio (PAPR) for Orthogonal Frequency Division Multiplexing (OFDM) signals. The probability density function (pdf) of a sample's amplitude of an adaptively selected OFDM signal without over-sampling has been considered to be approximately equal to the Rayleigh pdf. In this letter, we derive the exact pdf showing the relationship between the probability distribution of the sample's amplitude and the number of candidate OFDM symbols for ASSS. The use of the newly derived pdf can measure the effect of deliberate clipping on the adaptively selected OFDM signal more accurately.
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Related Researcher
- Yoon, Dongweon
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)