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PAR Reduction of Multicarrier Signals Using Injected Tone Constellation
EunJung CHANG HoYeol KWON John M. CIOFFI
Publication
IEICE TRANSACTIONS on Communications
Vol.E89-B
No.10
pp.2936-2939 Publication Date: 2006/10/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.10.2936 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: peak-to-average ratio (PAR), tone injection (TI), injected tone constellation (ITC),
Full Text: PDF(391KB)>>
Summary:
Tone Injection (TI) can reduce the high peak-to-average ratio (PAR) which can substantially limit the performance of multicarrier systems without bandwidth loss. However, TI results in peak regrowth since it does not consider second peaks which can be higher than the peak after performing TI and also the average transmit power is increased because of huge constellation. In this paper, a no-rate loss PAR reduction technique, Injected Tone Constellation (ITC), is proposed along with an iterative algorithm to achieve the performance increase and to minimize the average transmit power without high complexity.
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