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Content Provider | IEEE Xplore Digital Library |
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Author | Su Hu Gang Wu Yong Liang Guan Choi Look Law Shaoqian Li |
Copyright Year | 2006 |
Description | Author affiliation: Sch. of EEE, Nanyang Technol. Univ. (Su Hu; Gang Wu; Yong Liang Guan; Choi Look Law) |
Abstract | For WiMAX system, the tone reservation method provide a better solution to reduce peak-to-average power ratio (PAPR). Several in-band null subcarriers are allocated with designed complex value for tone reservation by balancing the peak amplitude of baseband complex signals and other discrete symbols. In this paper, analysis of PAPR reduction gain is given to prove that PAPR of WiMAX system can be significantly reduced through the tone reservation method. Furthermore, the worst-case scenario is analyzed for tone reservation and the searching method for lowest bound for PARP reduction is extended. Simulation results also demonstrate that the different gap between the peak and the second peak amplitude affects the efficiency of tone reservation. And our proposed calculation method provides a effective way to decide whether the transmitter should use tone reservation. Under the IEEE 802.16-2004 wireless OFDM physical layer model, in the worst-case, the highest PAPR reduction gain can approach 6.02 dB and the average PAPR reduction to 1.47 dB by tone reservation method |
Sponsorship | ECTI, Thailand NECTEC, Thailand King Mongkut's Inst. of Tech., Thailand IEEE Circuits and Syst. Soc |
Starting Page | 498 |
Ending Page | 502 |
File Size | 5556345 |
Page Count | 5 |
File Format | |
ISBN | 0780397401 |
DOI | 10.1109/ISCIT.2006.339999 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2006-10-18 |
Publisher Place | Thailand |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Baseband Transmitters Partial transmit sequences Peak to average power ratio WiMAX Probability Physical layer OFDM modulation Mathematical model Signal design |
Content Type | Text |
Resource Type | Article |
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