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A Complexity-Efficient Wireless OFDM with Frequency Diversity and Low PAPR Young-Hwan YOU Sang-Tae KIM Sung-Kwon HONG Intae HWANG Hyoung-Kyu SONG Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E88-A No.11 pp.3248-3251 Publication Date: 2005/11/01 Online ISSN: DOI: 10.1093/ietfec/e88-a.11.3248 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Communication Theory and Signals Keyword: OFDM, peak-to-average power ratio, frequency diversity, Full Text: PDF(272.1KB)>>
Summary: This letter proposes a modified orthogonal frequency division multiplexing (OFDM) system with low peak-to-average power ratio (PAPR) and reduced complexity. To do this, OFDM system exploits a frequency diversity equipped with a simple symbol repetition. From the presented results, we can see that the investigated OFDM system with one transmit antenna gives the same diversity gain to two-branch transmit diversity and can be implemented with reduced transmitter complexity and low peak power at the cost of decoding delay. | ||||||||||
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