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Modified TR Scheme with Low Complexity in Mobile WiMAX Systems

Soobum CHO, Sang Kyu PARK

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Summary :

Tone reservation (TR) is an efficient peak-to-average power ratio (PAPR) reduction scheme that adds peak reduction tones (PRTs) to the orthogonal frequency division multiplexing (OFDM) signal. However, enormous numbers of iterations are needed to find the optimal PRT set, which makes the TR scheme quite complex. In this letter, we propose a modified TR scheme that considerably reduces the computational complexity of the optimization process for the PRT set compared with the conventional TR scheme.

Publication
IEICE TRANSACTIONS on Communications Vol.E94-B No.3 pp.856-859
Publication Date
2011/03/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E94.B.856
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

Authors

Keyword

TR,  PAPR,  PRT,  OFDM