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A modified SLM scheme with low complexity for PAPR reduction of OFDM systems
- Issue Date
- Dec-2007
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- low computational complexity; orthogonal frequency division multiplexing (OFDM); peak-to-average power ratio (PAPR); selected mapping (SLM)
- Citation
- IEEE TRANSACTIONS ON BROADCASTING, v.53, no.4, pp.804 - 808
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON BROADCASTING
- Volume
- 53
- Number
- 4
- Start Page
- 804
- End Page
- 808
- ISSN
- 0018-9316
- Abstract
- In this paper, we propose a new peak-to-average power ratio (PAPR) reduction scheme of orthogonal frequency division multiplexing (OFDM) system, called a modified selected mapping (SLM) scheme, which considerably reduces the computational complexity with keeping the similar PAPR reduction performance compared with the conventional SLM scheme. The proposed scheme is analytically and numerically evaluated for the OFDM system specified in the IEEE 802.16 standard. For the OFDM system with 2048 subcarriers, the proposed scheme with 4 binary phase sequences can reduce the complex multiplications by 63.5% with the similar PAPR reduction compared with the SLM scheme with 16 binary phase sequences.
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Related Researcher
- Shin, Dong-Joon
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)