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Adaptive CI-OSDM in Time-Frequency Selective Fading Channel
Xiaoming TAO Chao ZHANG Jianhua LU Naoki SUEHIRO
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E91-A
No.12
pp.3712-3722 Publication Date: 2008/12/01 Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.12.3712 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Signal Design and its Applications in Communications) Category: Spread Spectrum Communications Keyword: OSDM, CI, ACI-OSDM, PAPR,
Full Text: PDF>>
Summary:
Orthogonal Signal Division Multiplexing (OSDM), also known as SD-OFDM, has been proposed for information transmission with high spectrum efficiency. In this paper, a new signal construction method named Adaptive Carrier Interferometry OSDM (ACI-OSDM) is proposed for time-frequency selective fading channel. Particularly, the Adaptive CI codes originated from CI-OFDM are employed in the frequency domain of OSDM signal. Compared with traditional OFDM, the ACI-OSDM improves the performance considerably of broadband transmission, i.e., spectrum efficiency, Peak-to-Average Power Ratio (PAPR) mitigation and interference cancelation in the high speed mobile environment with multipath emission, e.g. super express train with speed more than 250 km/h.
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